Merge tag 'loongarch-kvm-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD

LoongArch KVM changes for v6.14

1. Clear LLBCTL if secondary mmu mapping changed.
2. Add hypercall service support for usermode VMM.

This is a really small changeset, because the Chinese New Year
(Spring Festival) is coming. Happy New Year!

.mailmap

···
 Benjamin Poirier <[e-mail]> <[e-mail]>
 Benjamin Tissoires <[e-mail]> <[e-mail]>
 Benjamin Tissoires <[e-mail]> <[e-mail]>
+Bingwu Zhang <[e-mail]> <[e-mail]>
+Bingwu Zhang <[e-mail]> <[e-mail]>
 Bjorn Andersson <[e-mail]> <[e-mail]>
 Bjorn Andersson <[e-mail]> <[e-mail]>
 Bjorn Andersson <[e-mail]> <[e-mail]>
···
 Martin Kepplinger <[e-mail]> <[e-mail]>
 Martin Kepplinger <[e-mail]> <[e-mail]>
 Martyna Szapar-Mudlaw <[e-mail]> <[e-mail]>
-Mathieu Othacehe <[e-mail]> <[e-mail]>
+Mathieu Othacehe <[e-mail]> <[e-mail]>
 Mat Martineau <[e-mail]> <[e-mail]>
 Mat Martineau <[e-mail]> <[e-mail]>
 Matthew Wilcox <[e-mail]> <[e-mail]>
···
 Wolfram Sang <[e-mail]> <[e-mail]>
 Yakir Yang <[e-mail]> <[e-mail]>
 Yanteng Si <[e-mail]> <[e-mail]>
+Ying Huang <[e-mail]> <[e-mail]>
 Yusuke Goda <[e-mail]>
 Zack Rusin <[e-mail]> <[e-mail]>
 Zhu Yanjun <[e-mail]> <[e-mail]>

CREDITS

···
 E: [e-mail]
 D: Samsung pin controller driver
 
+N: Jose Abreu
+E: [e-mail]
+D: Synopsys DesignWare XPCS MDIO/PCS driver.
+
 N: Dragos Acostachioaie
 E: [e-mail]
 W: http://www.arbornet.org/~dragos
···
 S: Sterling Heights, Michigan 48313
 S: USA
 
+N: Andy Gospodarek
+E: [e-mail]
+D: Maintenance and contributions to the network interface bonding driver.
+
 N: Wolfgang Grandegger
 E: [e-mail]
 D: Controller Area Network (device drivers)
···
 D: Author/maintainer of most DRM drivers (especially ATI, MGA)
 D: Core DRM templates, general DRM and 3D-related hacking
 S: No fixed address
+
+N: Woojung Huh
+E: [e-mail]
+D: Microchip LAN78XX USB Ethernet driver
 
 N: Kenn Humborg
 E: [e-mail]

Documentation/admin-guide/laptops/thinkpad-acpi.rst

···
 0x1008	0x07	FN+F8		IBM: toggle screen expand
 				Lenovo: configure UltraNav,
 				or toggle screen expand.
-				On newer platforms (2024+)
-				replaced by 0x131f (see below)
+				On 2024 platforms replaced by
+				0x131f (see below) and on newer
+				platforms (2025 +) keycode is
+				replaced by 0x1401 (see below).
 
 0x1009	0x08	FN+F9		-
 
···
 
 0x1019	0x18	unknown
 
-0x131f	...	FN+F8	        Platform Mode change.
+0x131f	...	FN+F8		Platform Mode change (2024 systems).
 				Implemented in driver.
 
+0x1401	...	FN+F8		Platform Mode change (2025 + systems).
+				Implemented in driver.
 ...	...	...
 
 0x1020	0x1F	unknown

Documentation/admin-guide/mm/transhuge.rst

···
 The number of file transparent huge pages mapped to userspace is available
 by reading ShmemPmdMapped and ShmemHugePages fields in ``/proc/meminfo``.
 To identify what applications are mapping file transparent huge pages, it
-is necessary to read ``/proc/PID/smaps`` and count the FileHugeMapped fields
+is necessary to read ``/proc/PID/smaps`` and count the FilePmdMapped fields
 for each mapping.
 
 Note that reading the smaps file is expensive and reading it

Documentation/admin-guide/pm/amd-pstate.rst

···
 In some ASICs, the highest CPPC performance is not the one in the ``_CPC``
 table, so we need to expose it to sysfs. If boost is not active, but
 still supported, this maximum frequency will be larger than the one in
-``cpuinfo``. On systems that support preferred core, the driver will have
-different values for some cores than others and this will reflect the values
-advertised by the platform at bootup.
+``cpuinfo``.
 This attribute is read-only.
 
 ``amd_pstate_lowest_nonlinear_freq``

Documentation/devicetree/bindings/crypto/fsl,sec-v4.0.yaml

···
           table that specifies the PPID to LIODN mapping. Needed if the PAMU is
           used.  Value is a 12 bit value where value is a LIODN ID for this JR.
           This property is normally set by boot firmware.
-        $ref: /schemas/types.yaml#/definitions/uint32
-        maximum: 0xfff
+        $ref: /schemas/types.yaml#/definitions/uint32-array
+        items:
+          - maximum: 0xfff
 
   '^rtic@[0-9a-f]+$':
     type: object
···
               Needed if the PAMU is used.  Value is a 12 bit value where value
               is a LIODN ID for this JR. This property is normally set by boot
               firmware.
-            $ref: /schemas/types.yaml#/definitions/uint32
-            maximum: 0xfff
+            $ref: /schemas/types.yaml#/definitions/uint32-array
+            items:
+              - maximum: 0xfff
 
           fsl,rtic-region:
             description:

Documentation/devicetree/bindings/display/bridge/adi,adv7533.yaml

···
   adi,dsi-lanes:
     description: Number of DSI data lanes connected to the DSI host.
     $ref: /schemas/types.yaml#/definitions/uint32
-    enum: [ 1, 2, 3, 4 ]
+    enum: [ 2, 3, 4 ]
 
   "#sound-dai-cells":
     const: 0

Documentation/devicetree/bindings/display/mediatek/mediatek,dp.yaml

···
   interrupts:
     maxItems: 1
 
+  '#sound-dai-cells':
+    const: 0
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
     properties:
···
   - ports
   - max-linkrate-mhz
 
-additionalProperties: false
+allOf:
+  - $ref: /schemas/sound/dai-common.yaml#
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - mediatek,mt8188-dp-tx
+                - mediatek,mt8195-dp-tx
+    then:
+      properties:
+        '#sound-dai-cells': false
+
+unevaluatedProperties: false
 
 examples:
   - |

Documentation/devicetree/bindings/iio/st,st-sensors.yaml

···
           - st,lsm9ds0-gyro
       - description: STMicroelectronics Magnetometers
         enum:
+          - st,iis2mdc
           - st,lis2mdl
           - st,lis3mdl-magn
           - st,lsm303agr-magn

Documentation/devicetree/bindings/mtd/partitions/fixed-partitions.yaml

···
 
         uimage@100000 {
             reg = <0x0100000 0x200000>;
-            compress = "lzma";
+            compression = "lzma";
         };
     };
 

Documentation/devicetree/bindings/net/pse-pd/pse-controller.yaml

···
               List of phandles, each pointing to the power supply for the
               corresponding pairset named in 'pairset-names'. This property
               aligns with IEEE 802.3-2022, Section 33.2.3 and 145.2.4.
-              PSE Pinout Alternatives (as per IEEE 802.3-2022 Table 145\u20133)
+              PSE Pinout Alternatives (as per IEEE 802.3-2022 Table 145-3)
               |-----------|---------------|---------------|---------------|---------------|
               | Conductor | Alternative A | Alternative A | Alternative B | Alternative B |
               |           |    (MDI-X)    |     (MDI)     |      (X)      |      (S)      |

Documentation/devicetree/bindings/soc/fsl/fsl,qman-portal.yaml

···
 
   fsl,liodn:
     $ref: /schemas/types.yaml#/definitions/uint32-array
+    maxItems: 2
     description: See pamu.txt. Two LIODN(s). DQRR LIODN (DLIODN) and Frame LIODN
       (FLIODN)
 
···
     type: object
     properties:
       fsl,liodn:
+        $ref: /schemas/types.yaml#/definitions/uint32-array
         description: See pamu.txt, PAMU property used for static LIODN assignment
 
       fsl,iommu-parent:

Documentation/devicetree/bindings/sound/realtek,rt5645.yaml

···
     description: Power supply for AVDD, providing 1.8V.
 
   cpvdd-supply:
-    description: Power supply for CPVDD, providing 3.5V.
+    description: Power supply for CPVDD, providing 1.8V.
 
   hp-detect-gpios:
     description: 

Documentation/mm/process_addrs.rst

···
 =================
 Process Addresses
 =================
+
+.. toctree::
+   :maxdepth: 3
+
+
+Userland memory ranges are tracked by the kernel via Virtual Memory Areas or
+'VMA's of type :c:struct:`!struct vm_area_struct`.
+
+Each VMA describes a virtually contiguous memory range with identical
+attributes, each described by a :c:struct:`!struct vm_area_struct`
+object. Userland access outside of VMAs is invalid except in the case where an
+adjacent stack VMA could be extended to contain the accessed address.
+
+All VMAs are contained within one and only one virtual address space, described
+by a :c:struct:`!struct mm_struct` object which is referenced by all tasks (that is,
+threads) which share the virtual address space. We refer to this as the
+:c:struct:`!mm`.
+
+Each mm object contains a maple tree data structure which describes all VMAs
+within the virtual address space.
+
+.. note:: An exception to this is the 'gate' VMA which is provided by
+          architectures which use :c:struct:`!vsyscall` and is a global static
+          object which does not belong to any specific mm.
+
+-------
+Locking
+-------
+
+The kernel is designed to be highly scalable against concurrent read operations
+on VMA **metadata** so a complicated set of locks are required to ensure memory
+corruption does not occur.
+
+.. note:: Locking VMAs for their metadata does not have any impact on the memory
+          they describe nor the page tables that map them.
+
+Terminology
+-----------
+
+* **mmap locks** - Each MM has a read/write semaphore :c:member:`!mmap_lock`
+  which locks at a process address space granularity which can be acquired via
+  :c:func:`!mmap_read_lock`, :c:func:`!mmap_write_lock` and variants.
+* **VMA locks** - The VMA lock is at VMA granularity (of course) which behaves
+  as a read/write semaphore in practice. A VMA read lock is obtained via
+  :c:func:`!lock_vma_under_rcu` (and unlocked via :c:func:`!vma_end_read`) and a
+  write lock via :c:func:`!vma_start_write` (all VMA write locks are unlocked
+  automatically when the mmap write lock is released). To take a VMA write lock
+  you **must** have already acquired an :c:func:`!mmap_write_lock`.
+* **rmap locks** - When trying to access VMAs through the reverse mapping via a
+  :c:struct:`!struct address_space` or :c:struct:`!struct anon_vma` object
+  (reachable from a folio via :c:member:`!folio->mapping`). VMAs must be stabilised via
+  :c:func:`!anon_vma_[try]lock_read` or :c:func:`!anon_vma_[try]lock_write` for
+  anonymous memory and :c:func:`!i_mmap_[try]lock_read` or
+  :c:func:`!i_mmap_[try]lock_write` for file-backed memory. We refer to these
+  locks as the reverse mapping locks, or 'rmap locks' for brevity.
+
+We discuss page table locks separately in the dedicated section below.
+
+The first thing **any** of these locks achieve is to **stabilise** the VMA
+within the MM tree. That is, guaranteeing that the VMA object will not be
+deleted from under you nor modified (except for some specific fields
+described below).
+
+Stabilising a VMA also keeps the address space described by it around.
+
+Lock usage
+----------
+
+If you want to **read** VMA metadata fields or just keep the VMA stable, you
+must do one of the following:
+
+* Obtain an mmap read lock at the MM granularity via :c:func:`!mmap_read_lock` (or a
+  suitable variant), unlocking it with a matching :c:func:`!mmap_read_unlock` when
+  you're done with the VMA, *or*
+* Try to obtain a VMA read lock via :c:func:`!lock_vma_under_rcu`. This tries to
+  acquire the lock atomically so might fail, in which case fall-back logic is
+  required to instead obtain an mmap read lock if this returns :c:macro:`!NULL`,
+  *or*
+* Acquire an rmap lock before traversing the locked interval tree (whether
+  anonymous or file-backed) to obtain the required VMA.
+
+If you want to **write** VMA metadata fields, then things vary depending on the
+field (we explore each VMA field in detail below). For the majority you must:
+
+* Obtain an mmap write lock at the MM granularity via :c:func:`!mmap_write_lock` (or a
+  suitable variant), unlocking it with a matching :c:func:`!mmap_write_unlock` when
+  you're done with the VMA, *and*
+* Obtain a VMA write lock via :c:func:`!vma_start_write` for each VMA you wish to
+  modify, which will be released automatically when :c:func:`!mmap_write_unlock` is
+  called.
+* If you want to be able to write to **any** field, you must also hide the VMA
+  from the reverse mapping by obtaining an **rmap write lock**.
+
+VMA locks are special in that you must obtain an mmap **write** lock **first**
+in order to obtain a VMA **write** lock. A VMA **read** lock however can be
+obtained without any other lock (:c:func:`!lock_vma_under_rcu` will acquire then
+release an RCU lock to lookup the VMA for you).
+
+This constrains the impact of writers on readers, as a writer can interact with
+one VMA while a reader interacts with another simultaneously.
+
+.. note:: The primary users of VMA read locks are page fault handlers, which
+          means that without a VMA write lock, page faults will run concurrent with
+          whatever you are doing.
+
+Examining all valid lock states:
+
+.. table::
+
+   ========= ======== ========= ======= ===== =========== ==========
+   mmap lock VMA lock rmap lock Stable? Read? Write most? Write all?
+   ========= ======== ========= ======= ===== =========== ==========
+   \-        \-       \-        N       N     N           N
+   \-        R        \-        Y       Y     N           N
+   \-        \-       R/W       Y       Y     N           N
+   R/W       \-/R     \-/R/W    Y       Y     N           N
+   W         W        \-/R      Y       Y     Y           N
+   W         W        W         Y       Y     Y           Y
+   ========= ======== ========= ======= ===== =========== ==========
+
+.. warning:: While it's possible to obtain a VMA lock while holding an mmap read lock,
+             attempting to do the reverse is invalid as it can result in deadlock - if
+             another task already holds an mmap write lock and attempts to acquire a VMA
+             write lock that will deadlock on the VMA read lock.
+
+All of these locks behave as read/write semaphores in practice, so you can
+obtain either a read or a write lock for each of these.
+
+.. note:: Generally speaking, a read/write semaphore is a class of lock which
+          permits concurrent readers. However a write lock can only be obtained
+          once all readers have left the critical region (and pending readers
+          made to wait).
+
+          This renders read locks on a read/write semaphore concurrent with other
+          readers and write locks exclusive against all others holding the semaphore.
+
+VMA fields
+^^^^^^^^^^
+
+We can subdivide :c:struct:`!struct vm_area_struct` fields by their purpose, which makes it
+easier to explore their locking characteristics:
+
+.. note:: We exclude VMA lock-specific fields here to avoid confusion, as these
+          are in effect an internal implementation detail.
+
+.. table:: Virtual layout fields
+
+   ===================== ======================================== ===========
+   Field                 Description                              Write lock
+   ===================== ======================================== ===========
+   :c:member:`!vm_start` Inclusive start virtual address of range mmap write,
+                         VMA describes.                           VMA write,
+                                                                  rmap write.
+   :c:member:`!vm_end`   Exclusive end virtual address of range   mmap write,
+                         VMA describes.                           VMA write,
+                                                                  rmap write.
+   :c:member:`!vm_pgoff` Describes the page offset into the file, mmap write,
+                         the original page offset within the      VMA write,
+                         virtual address space (prior to any      rmap write.
+                         :c:func:`!mremap`), or PFN if a PFN map
+                         and the architecture does not support
+                         :c:macro:`!CONFIG_ARCH_HAS_PTE_SPECIAL`.
+   ===================== ======================================== ===========
+
+These fields describes the size, start and end of the VMA, and as such cannot be
+modified without first being hidden from the reverse mapping since these fields
+are used to locate VMAs within the reverse mapping interval trees.
+
+.. table:: Core fields
+
+   ============================ ======================================== =========================
+   Field                        Description                              Write lock
+   ============================ ======================================== =========================
+   :c:member:`!vm_mm`           Containing mm_struct.                    None - written once on
+                                                                         initial map.
+   :c:member:`!vm_page_prot`    Architecture-specific page table         mmap write, VMA write.
+                                protection bits determined from VMA
+                                flags.
+   :c:member:`!vm_flags`        Read-only access to VMA flags describing N/A
+                                attributes of the VMA, in union with
+                                private writable
+                                :c:member:`!__vm_flags`.
+   :c:member:`!__vm_flags`      Private, writable access to VMA flags    mmap write, VMA write.
+                                field, updated by
+                                :c:func:`!vm_flags_*` functions.
+   :c:member:`!vm_file`         If the VMA is file-backed, points to a   None - written once on
+                                struct file object describing the        initial map.
+                                underlying file, if anonymous then
+                                :c:macro:`!NULL`.
+   :c:member:`!vm_ops`          If the VMA is file-backed, then either   None - Written once on
+                                the driver or file-system provides a     initial map by
+                                :c:struct:`!struct vm_operations_struct` :c:func:`!f_ops->mmap()`.
+                                object describing callbacks to be
+                                invoked on VMA lifetime events.
+   :c:member:`!vm_private_data` A :c:member:`!void *` field for          Handled by driver.
+                                driver-specific metadata.
+   ============================ ======================================== =========================
+
+These are the core fields which describe the MM the VMA belongs to and its attributes.
+
+.. table:: Config-specific fields
+
+   ================================= ===================== ======================================== ===============
+   Field                             Configuration option  Description                              Write lock
+   ================================= ===================== ======================================== ===============
+   :c:member:`!anon_name`            CONFIG_ANON_VMA_NAME  A field for storing a                    mmap write,
+                                                           :c:struct:`!struct anon_vma_name`        VMA write.
+                                                           object providing a name for anonymous
+                                                           mappings, or :c:macro:`!NULL` if none
+                                                           is set or the VMA is file-backed. The
+							   underlying object is reference counted
+							   and can be shared across multiple VMAs
+							   for scalability.
+   :c:member:`!swap_readahead_info`  CONFIG_SWAP           Metadata used by the swap mechanism      mmap read,
+                                                           to perform readahead. This field is      swap-specific
+                                                           accessed atomically.                     lock.
+   :c:member:`!vm_policy`            CONFIG_NUMA           :c:type:`!mempolicy` object which        mmap write,
+                                                           describes the NUMA behaviour of the      VMA write.
+                                                           VMA. The underlying object is reference
+							   counted.
+   :c:member:`!numab_state`          CONFIG_NUMA_BALANCING :c:type:`!vma_numab_state` object which  mmap read,
+                                                           describes the current state of           numab-specific
+                                                           NUMA balancing in relation to this VMA.  lock.
+                                                           Updated under mmap read lock by
+                                                           :c:func:`!task_numa_work`.
+   :c:member:`!vm_userfaultfd_ctx`   CONFIG_USERFAULTFD    Userfaultfd context wrapper object of    mmap write,
+                                                           type :c:type:`!vm_userfaultfd_ctx`,      VMA write.
+                                                           either of zero size if userfaultfd is
+                                                           disabled, or containing a pointer
+                                                           to an underlying
+                                                           :c:type:`!userfaultfd_ctx` object which
+                                                           describes userfaultfd metadata.
+   ================================= ===================== ======================================== ===============
+
+These fields are present or not depending on whether the relevant kernel
+configuration option is set.
+
+.. table:: Reverse mapping fields
+
+   =================================== ========================================= ============================
+   Field                               Description                               Write lock
+   =================================== ========================================= ============================
+   :c:member:`!shared.rb`              A red/black tree node used, if the        mmap write, VMA write,
+                                       mapping is file-backed, to place the VMA  i_mmap write.
+                                       in the
+                                       :c:member:`!struct address_space->i_mmap`
+                                       red/black interval tree.
+   :c:member:`!shared.rb_subtree_last` Metadata used for management of the       mmap write, VMA write,
+                                       interval tree if the VMA is file-backed.  i_mmap write.
+   :c:member:`!anon_vma_chain`         List of pointers to both forked/CoW’d     mmap read, anon_vma write.
+                                       :c:type:`!anon_vma` objects and
+                                       :c:member:`!vma->anon_vma` if it is
+                                       non-:c:macro:`!NULL`.
+   :c:member:`!anon_vma`               :c:type:`!anon_vma` object used by        When :c:macro:`NULL` and
+                                       anonymous folios mapped exclusively to    setting non-:c:macro:`NULL`:
+                                       this VMA. Initially set by                mmap read, page_table_lock.
+                                       :c:func:`!anon_vma_prepare` serialised
+                                       by the :c:macro:`!page_table_lock`. This  When non-:c:macro:`NULL` and
+                                       is set as soon as any page is faulted in. setting :c:macro:`NULL`:
+                                                                                 mmap write, VMA write,
+                                                                                 anon_vma write.
+   =================================== ========================================= ============================
+
+These fields are used to both place the VMA within the reverse mapping, and for
+anonymous mappings, to be able to access both related :c:struct:`!struct anon_vma` objects
+and the :c:struct:`!struct anon_vma` in which folios mapped exclusively to this VMA should
+reside.
+
+.. note:: If a file-backed mapping is mapped with :c:macro:`!MAP_PRIVATE` set
+          then it can be in both the :c:type:`!anon_vma` and :c:type:`!i_mmap`
+          trees at the same time, so all of these fields might be utilised at
+          once.
+
+Page tables
+-----------
+
+We won't speak exhaustively on the subject but broadly speaking, page tables map
+virtual addresses to physical ones through a series of page tables, each of
+which contain entries with physical addresses for the next page table level
+(along with flags), and at the leaf level the physical addresses of the
+underlying physical data pages or a special entry such as a swap entry,
+migration entry or other special marker. Offsets into these pages are provided
+by the virtual address itself.
+
+In Linux these are divided into five levels - PGD, P4D, PUD, PMD and PTE. Huge
+pages might eliminate one or two of these levels, but when this is the case we
+typically refer to the leaf level as the PTE level regardless.
+
+.. note:: In instances where the architecture supports fewer page tables than
+	  five the kernel cleverly 'folds' page table levels, that is stubbing
+	  out functions related to the skipped levels. This allows us to
+	  conceptually act as if there were always five levels, even if the
+	  compiler might, in practice, eliminate any code relating to missing
+	  ones.
+
+There are four key operations typically performed on page tables:
+
+1. **Traversing** page tables - Simply reading page tables in order to traverse
+   them. This only requires that the VMA is kept stable, so a lock which
+   establishes this suffices for traversal (there are also lockless variants
+   which eliminate even this requirement, such as :c:func:`!gup_fast`).
+2. **Installing** page table mappings - Whether creating a new mapping or
+   modifying an existing one in such a way as to change its identity. This
+   requires that the VMA is kept stable via an mmap or VMA lock (explicitly not
+   rmap locks).
+3. **Zapping/unmapping** page table entries - This is what the kernel calls
+   clearing page table mappings at the leaf level only, whilst leaving all page
+   tables in place. This is a very common operation in the kernel performed on
+   file truncation, the :c:macro:`!MADV_DONTNEED` operation via
+   :c:func:`!madvise`, and others. This is performed by a number of functions
+   including :c:func:`!unmap_mapping_range` and :c:func:`!unmap_mapping_pages`.
+   The VMA need only be kept stable for this operation.
+4. **Freeing** page tables - When finally the kernel removes page tables from a
+   userland process (typically via :c:func:`!free_pgtables`) extreme care must
+   be taken to ensure this is done safely, as this logic finally frees all page
+   tables in the specified range, ignoring existing leaf entries (it assumes the
+   caller has both zapped the range and prevented any further faults or
+   modifications within it).
+
+.. note:: Modifying mappings for reclaim or migration is performed under rmap
+          lock as it, like zapping, does not fundamentally modify the identity
+          of what is being mapped.
+
+**Traversing** and **zapping** ranges can be performed holding any one of the
+locks described in the terminology section above - that is the mmap lock, the
+VMA lock or either of the reverse mapping locks.
+
+That is - as long as you keep the relevant VMA **stable** - you are good to go
+ahead and perform these operations on page tables (though internally, kernel
+operations that perform writes also acquire internal page table locks to
+serialise - see the page table implementation detail section for more details).
+
+When **installing** page table entries, the mmap or VMA lock must be held to
+keep the VMA stable. We explore why this is in the page table locking details
+section below.
+
+.. warning:: Page tables are normally only traversed in regions covered by VMAs.
+             If you want to traverse page tables in areas that might not be
+             covered by VMAs, heavier locking is required.
+             See :c:func:`!walk_page_range_novma` for details.
+
+**Freeing** page tables is an entirely internal memory management operation and
+has special requirements (see the page freeing section below for more details).
+
+.. warning:: When **freeing** page tables, it must not be possible for VMAs
+             containing the ranges those page tables map to be accessible via
+             the reverse mapping.
+
+             The :c:func:`!free_pgtables` function removes the relevant VMAs
+             from the reverse mappings, but no other VMAs can be permitted to be
+             accessible and span the specified range.
+
+Lock ordering
+-------------
+
+As we have multiple locks across the kernel which may or may not be taken at the
+same time as explicit mm or VMA locks, we have to be wary of lock inversion, and
+the **order** in which locks are acquired and released becomes very important.
+
+.. note:: Lock inversion occurs when two threads need to acquire multiple locks,
+   but in doing so inadvertently cause a mutual deadlock.
+
+   For example, consider thread 1 which holds lock A and tries to acquire lock B,
+   while thread 2 holds lock B and tries to acquire lock A.
+
+   Both threads are now deadlocked on each other. However, had they attempted to
+   acquire locks in the same order, one would have waited for the other to
+   complete its work and no deadlock would have occurred.
+
+The opening comment in :c:macro:`!mm/rmap.c` describes in detail the required
+ordering of locks within memory management code:
+
+.. code-block::
+
+  inode->i_rwsem        (while writing or truncating, not reading or faulting)
+    mm->mmap_lock
+      mapping->invalidate_lock (in filemap_fault)
+        folio_lock
+          hugetlbfs_i_mmap_rwsem_key (in huge_pmd_share, see hugetlbfs below)
+            vma_start_write
+              mapping->i_mmap_rwsem
+                anon_vma->rwsem
+                  mm->page_table_lock or pte_lock
+                    swap_lock (in swap_duplicate, swap_info_get)
+                      mmlist_lock (in mmput, drain_mmlist and others)
+                      mapping->private_lock (in block_dirty_folio)
+                          i_pages lock (widely used)
+                            lruvec->lru_lock (in folio_lruvec_lock_irq)
+                      inode->i_lock (in set_page_dirty's __mark_inode_dirty)
+                      bdi.wb->list_lock (in set_page_dirty's __mark_inode_dirty)
+                        sb_lock (within inode_lock in fs/fs-writeback.c)
+                        i_pages lock (widely used, in set_page_dirty,
+                                  in arch-dependent flush_dcache_mmap_lock,
+                                  within bdi.wb->list_lock in __sync_single_inode)
+
+There is also a file-system specific lock ordering comment located at the top of
+:c:macro:`!mm/filemap.c`:
+
+.. code-block::
+
+  ->i_mmap_rwsem                        (truncate_pagecache)
+    ->private_lock                      (__free_pte->block_dirty_folio)
+      ->swap_lock                       (exclusive_swap_page, others)
+        ->i_pages lock
+
+  ->i_rwsem
+    ->invalidate_lock                   (acquired by fs in truncate path)
+      ->i_mmap_rwsem                    (truncate->unmap_mapping_range)
+
+  ->mmap_lock
+    ->i_mmap_rwsem
+      ->page_table_lock or pte_lock     (various, mainly in memory.c)
+        ->i_pages lock                  (arch-dependent flush_dcache_mmap_lock)
+
+  ->mmap_lock
+    ->invalidate_lock                   (filemap_fault)
+      ->lock_page                       (filemap_fault, access_process_vm)
+
+  ->i_rwsem                             (generic_perform_write)
+    ->mmap_lock                         (fault_in_readable->do_page_fault)
+
+  bdi->wb.list_lock
+    sb_lock                             (fs/fs-writeback.c)
+    ->i_pages lock                      (__sync_single_inode)
+
+  ->i_mmap_rwsem
+    ->anon_vma.lock                     (vma_merge)
+
+  ->anon_vma.lock
+    ->page_table_lock or pte_lock       (anon_vma_prepare and various)
+
+  ->page_table_lock or pte_lock
+    ->swap_lock                         (try_to_unmap_one)
+    ->private_lock                      (try_to_unmap_one)
+    ->i_pages lock                      (try_to_unmap_one)
+    ->lruvec->lru_lock                  (follow_page_mask->mark_page_accessed)
+    ->lruvec->lru_lock                  (check_pte_range->folio_isolate_lru)
+    ->private_lock                      (folio_remove_rmap_pte->set_page_dirty)
+    ->i_pages lock                      (folio_remove_rmap_pte->set_page_dirty)
+    bdi.wb->list_lock                   (folio_remove_rmap_pte->set_page_dirty)
+    ->inode->i_lock                     (folio_remove_rmap_pte->set_page_dirty)
+    bdi.wb->list_lock                   (zap_pte_range->set_page_dirty)
+    ->inode->i_lock                     (zap_pte_range->set_page_dirty)
+    ->private_lock                      (zap_pte_range->block_dirty_folio)
+
+Please check the current state of these comments which may have changed since
+the time of writing of this document.
+
+------------------------------
+Locking Implementation Details
+------------------------------
+
+.. warning:: Locking rules for PTE-level page tables are very different from
+             locking rules for page tables at other levels.
+
+Page table locking details
+--------------------------
+
+In addition to the locks described in the terminology section above, we have
+additional locks dedicated to page tables:
+
+* **Higher level page table locks** - Higher level page tables, that is PGD, P4D
+  and PUD each make use of the process address space granularity
+  :c:member:`!mm->page_table_lock` lock when modified.
+
+* **Fine-grained page table locks** - PMDs and PTEs each have fine-grained locks
+  either kept within the folios describing the page tables or allocated
+  separated and pointed at by the folios if :c:macro:`!ALLOC_SPLIT_PTLOCKS` is
+  set. The PMD spin lock is obtained via :c:func:`!pmd_lock`, however PTEs are
+  mapped into higher memory (if a 32-bit system) and carefully locked via
+  :c:func:`!pte_offset_map_lock`.
+
+These locks represent the minimum required to interact with each page table
+level, but there are further requirements.
+
+Importantly, note that on a **traversal** of page tables, sometimes no such
+locks are taken. However, at the PTE level, at least concurrent page table
+deletion must be prevented (using RCU) and the page table must be mapped into
+high memory, see below.
+
+Whether care is taken on reading the page table entries depends on the
+architecture, see the section on atomicity below.
+
+Locking rules
+^^^^^^^^^^^^^
+
+We establish basic locking rules when interacting with page tables:
+
+* When changing a page table entry the page table lock for that page table
+  **must** be held, except if you can safely assume nobody can access the page
+  tables concurrently (such as on invocation of :c:func:`!free_pgtables`).
+* Reads from and writes to page table entries must be *appropriately*
+  atomic. See the section on atomicity below for details.
+* Populating previously empty entries requires that the mmap or VMA locks are
+  held (read or write), doing so with only rmap locks would be dangerous (see
+  the warning below).
+* As mentioned previously, zapping can be performed while simply keeping the VMA
+  stable, that is holding any one of the mmap, VMA or rmap locks.
+
+.. warning:: Populating previously empty entries is dangerous as, when unmapping
+             VMAs, :c:func:`!vms_clear_ptes` has a window of time between
+             zapping (via :c:func:`!unmap_vmas`) and freeing page tables (via
+             :c:func:`!free_pgtables`), where the VMA is still visible in the
+             rmap tree. :c:func:`!free_pgtables` assumes that the zap has
+             already been performed and removes PTEs unconditionally (along with
+             all other page tables in the freed range), so installing new PTE
+             entries could leak memory and also cause other unexpected and
+             dangerous behaviour.
+
+There are additional rules applicable when moving page tables, which we discuss
+in the section on this topic below.
+
+PTE-level page tables are different from page tables at other levels, and there
+are extra requirements for accessing them:
+
+* On 32-bit architectures, they may be in high memory (meaning they need to be
+  mapped into kernel memory to be accessible).
+* When empty, they can be unlinked and RCU-freed while holding an mmap lock or
+  rmap lock for reading in combination with the PTE and PMD page table locks.
+  In particular, this happens in :c:func:`!retract_page_tables` when handling
+  :c:macro:`!MADV_COLLAPSE`.
+  So accessing PTE-level page tables requires at least holding an RCU read lock;
+  but that only suffices for readers that can tolerate racing with concurrent
+  page table updates such that an empty PTE is observed (in a page table that
+  has actually already been detached and marked for RCU freeing) while another
+  new page table has been installed in the same location and filled with
+  entries. Writers normally need to take the PTE lock and revalidate that the
+  PMD entry still refers to the same PTE-level page table.
+
+To access PTE-level page tables, a helper like :c:func:`!pte_offset_map_lock` or
+:c:func:`!pte_offset_map` can be used depending on stability requirements.
+These map the page table into kernel memory if required, take the RCU lock, and
+depending on variant, may also look up or acquire the PTE lock.
+See the comment on :c:func:`!__pte_offset_map_lock`.
+
+Atomicity
+^^^^^^^^^
+
+Regardless of page table locks, the MMU hardware concurrently updates accessed
+and dirty bits (perhaps more, depending on architecture). Additionally, page
+table traversal operations in parallel (though holding the VMA stable) and
+functionality like GUP-fast locklessly traverses (that is reads) page tables,
+without even keeping the VMA stable at all.
+
+When performing a page table traversal and keeping the VMA stable, whether a
+read must be performed once and only once or not depends on the architecture
+(for instance x86-64 does not require any special precautions).
+
+If a write is being performed, or if a read informs whether a write takes place
+(on an installation of a page table entry say, for instance in
+:c:func:`!__pud_install`), special care must always be taken. In these cases we
+can never assume that page table locks give us entirely exclusive access, and
+must retrieve page table entries once and only once.
+
+If we are reading page table entries, then we need only ensure that the compiler
+does not rearrange our loads. This is achieved via :c:func:`!pXXp_get`
+functions - :c:func:`!pgdp_get`, :c:func:`!p4dp_get`, :c:func:`!pudp_get`,
+:c:func:`!pmdp_get`, and :c:func:`!ptep_get`.
+
+Each of these uses :c:func:`!READ_ONCE` to guarantee that the compiler reads
+the page table entry only once.
+
+However, if we wish to manipulate an existing page table entry and care about
+the previously stored data, we must go further and use an hardware atomic
+operation as, for example, in :c:func:`!ptep_get_and_clear`.
+
+Equally, operations that do not rely on the VMA being held stable, such as
+GUP-fast (see :c:func:`!gup_fast` and its various page table level handlers like
+:c:func:`!gup_fast_pte_range`), must very carefully interact with page table
+entries, using functions such as :c:func:`!ptep_get_lockless` and equivalent for
+higher level page table levels.
+
+Writes to page table entries must also be appropriately atomic, as established
+by :c:func:`!set_pXX` functions - :c:func:`!set_pgd`, :c:func:`!set_p4d`,
+:c:func:`!set_pud`, :c:func:`!set_pmd`, and :c:func:`!set_pte`.
+
+Equally functions which clear page table entries must be appropriately atomic,
+as in :c:func:`!pXX_clear` functions - :c:func:`!pgd_clear`,
+:c:func:`!p4d_clear`, :c:func:`!pud_clear`, :c:func:`!pmd_clear`, and
+:c:func:`!pte_clear`.
+
+Page table installation
+^^^^^^^^^^^^^^^^^^^^^^^
+
+Page table installation is performed with the VMA held stable explicitly by an
+mmap or VMA lock in read or write mode (see the warning in the locking rules
+section for details as to why).
+
+When allocating a P4D, PUD or PMD and setting the relevant entry in the above
+PGD, P4D or PUD, the :c:member:`!mm->page_table_lock` must be held. This is
+acquired in :c:func:`!__p4d_alloc`, :c:func:`!__pud_alloc` and
+:c:func:`!__pmd_alloc` respectively.
+
+.. note:: :c:func:`!__pmd_alloc` actually invokes :c:func:`!pud_lock` and
+   :c:func:`!pud_lockptr` in turn, however at the time of writing it ultimately
+   references the :c:member:`!mm->page_table_lock`.
+
+Allocating a PTE will either use the :c:member:`!mm->page_table_lock` or, if
+:c:macro:`!USE_SPLIT_PMD_PTLOCKS` is defined, a lock embedded in the PMD
+physical page metadata in the form of a :c:struct:`!struct ptdesc`, acquired by
+:c:func:`!pmd_ptdesc` called from :c:func:`!pmd_lock` and ultimately
+:c:func:`!__pte_alloc`.
+
+Finally, modifying the contents of the PTE requires special treatment, as the
+PTE page table lock must be acquired whenever we want stable and exclusive
+access to entries contained within a PTE, especially when we wish to modify
+them.
+
+This is performed via :c:func:`!pte_offset_map_lock` which carefully checks to
+ensure that the PTE hasn't changed from under us, ultimately invoking
+:c:func:`!pte_lockptr` to obtain a spin lock at PTE granularity contained within
+the :c:struct:`!struct ptdesc` associated with the physical PTE page. The lock
+must be released via :c:func:`!pte_unmap_unlock`.
+
+.. note:: There are some variants on this, such as
+   :c:func:`!pte_offset_map_rw_nolock` when we know we hold the PTE stable but
+   for brevity we do not explore this.  See the comment for
+   :c:func:`!__pte_offset_map_lock` for more details.
+
+When modifying data in ranges we typically only wish to allocate higher page
+tables as necessary, using these locks to avoid races or overwriting anything,
+and set/clear data at the PTE level as required (for instance when page faulting
+or zapping).
+
+A typical pattern taken when traversing page table entries to install a new
+mapping is to optimistically determine whether the page table entry in the table
+above is empty, if so, only then acquiring the page table lock and checking
+again to see if it was allocated underneath us.
+
+This allows for a traversal with page table locks only being taken when
+required. An example of this is :c:func:`!__pud_alloc`.
+
+At the leaf page table, that is the PTE, we can't entirely rely on this pattern
+as we have separate PMD and PTE locks and a THP collapse for instance might have
+eliminated the PMD entry as well as the PTE from under us.
+
+This is why :c:func:`!__pte_offset_map_lock` locklessly retrieves the PMD entry
+for the PTE, carefully checking it is as expected, before acquiring the
+PTE-specific lock, and then *again* checking that the PMD entry is as expected.
+
+If a THP collapse (or similar) were to occur then the lock on both pages would
+be acquired, so we can ensure this is prevented while the PTE lock is held.
+
+Installing entries this way ensures mutual exclusion on write.
+
+Page table freeing
+^^^^^^^^^^^^^^^^^^
+
+Tearing down page tables themselves is something that requires significant
+care. There must be no way that page tables designated for removal can be
+traversed or referenced by concurrent tasks.
+
+It is insufficient to simply hold an mmap write lock and VMA lock (which will
+prevent racing faults, and rmap operations), as a file-backed mapping can be
+truncated under the :c:struct:`!struct address_space->i_mmap_rwsem` alone.
+
+As a result, no VMA which can be accessed via the reverse mapping (either
+through the :c:struct:`!struct anon_vma->rb_root` or the :c:member:`!struct
+address_space->i_mmap` interval trees) can have its page tables torn down.
+
+The operation is typically performed via :c:func:`!free_pgtables`, which assumes
+either the mmap write lock has been taken (as specified by its
+:c:member:`!mm_wr_locked` parameter), or that the VMA is already unreachable.
+
+It carefully removes the VMA from all reverse mappings, however it's important
+that no new ones overlap these or any route remain to permit access to addresses
+within the range whose page tables are being torn down.
+
+Additionally, it assumes that a zap has already been performed and steps have
+been taken to ensure that no further page table entries can be installed between
+the zap and the invocation of :c:func:`!free_pgtables`.
+
+Since it is assumed that all such steps have been taken, page table entries are
+cleared without page table locks (in the :c:func:`!pgd_clear`, :c:func:`!p4d_clear`,
+:c:func:`!pud_clear`, and :c:func:`!pmd_clear` functions.
+
+.. note:: It is possible for leaf page tables to be torn down independent of
+          the page tables above it as is done by
+          :c:func:`!retract_page_tables`, which is performed under the i_mmap
+          read lock, PMD, and PTE page table locks, without this level of care.
+
+Page table moving
+^^^^^^^^^^^^^^^^^
+
+Some functions manipulate page table levels above PMD (that is PUD, P4D and PGD
+page tables). Most notable of these is :c:func:`!mremap`, which is capable of
+moving higher level page tables.
+
+In these instances, it is required that **all** locks are taken, that is
+the mmap lock, the VMA lock and the relevant rmap locks.
+
+You can observe this in the :c:func:`!mremap` implementation in the functions
+:c:func:`!take_rmap_locks` and :c:func:`!drop_rmap_locks` which perform the rmap
+side of lock acquisition, invoked ultimately by :c:func:`!move_page_tables`.
+
+VMA lock internals
+------------------
+
+Overview
+^^^^^^^^
+
+VMA read locking is entirely optimistic - if the lock is contended or a competing
+write has started, then we do not obtain a read lock.
+
+A VMA **read** lock is obtained by :c:func:`!lock_vma_under_rcu`, which first
+calls :c:func:`!rcu_read_lock` to ensure that the VMA is looked up in an RCU
+critical section, then attempts to VMA lock it via :c:func:`!vma_start_read`,
+before releasing the RCU lock via :c:func:`!rcu_read_unlock`.
+
+VMA read locks hold the read lock on the :c:member:`!vma->vm_lock` semaphore for
+their duration and the caller of :c:func:`!lock_vma_under_rcu` must release it
+via :c:func:`!vma_end_read`.
+
+VMA **write** locks are acquired via :c:func:`!vma_start_write` in instances where a
+VMA is about to be modified, unlike :c:func:`!vma_start_read` the lock is always
+acquired. An mmap write lock **must** be held for the duration of the VMA write
+lock, releasing or downgrading the mmap write lock also releases the VMA write
+lock so there is no :c:func:`!vma_end_write` function.
+
+Note that a semaphore write lock is not held across a VMA lock. Rather, a
+sequence number is used for serialisation, and the write semaphore is only
+acquired at the point of write lock to update this.
+
+This ensures the semantics we require - VMA write locks provide exclusive write
+access to the VMA.
+
+Implementation details
+^^^^^^^^^^^^^^^^^^^^^^
+
+The VMA lock mechanism is designed to be a lightweight means of avoiding the use
+of the heavily contended mmap lock. It is implemented using a combination of a
+read/write semaphore and sequence numbers belonging to the containing
+:c:struct:`!struct mm_struct` and the VMA.
+
+Read locks are acquired via :c:func:`!vma_start_read`, which is an optimistic
+operation, i.e. it tries to acquire a read lock but returns false if it is
+unable to do so. At the end of the read operation, :c:func:`!vma_end_read` is
+called to release the VMA read lock.
+
+Invoking :c:func:`!vma_start_read` requires that :c:func:`!rcu_read_lock` has
+been called first, establishing that we are in an RCU critical section upon VMA
+read lock acquisition. Once acquired, the RCU lock can be released as it is only
+required for lookup. This is abstracted by :c:func:`!lock_vma_under_rcu` which
+is the interface a user should use.
+
+Writing requires the mmap to be write-locked and the VMA lock to be acquired via
+:c:func:`!vma_start_write`, however the write lock is released by the termination or
+downgrade of the mmap write lock so no :c:func:`!vma_end_write` is required.
+
+All this is achieved by the use of per-mm and per-VMA sequence counts, which are
+used in order to reduce complexity, especially for operations which write-lock
+multiple VMAs at once.
+
+If the mm sequence count, :c:member:`!mm->mm_lock_seq` is equal to the VMA
+sequence count :c:member:`!vma->vm_lock_seq` then the VMA is write-locked. If
+they differ, then it is not.
+
+Each time the mmap write lock is released in :c:func:`!mmap_write_unlock` or
+:c:func:`!mmap_write_downgrade`, :c:func:`!vma_end_write_all` is invoked which
+also increments :c:member:`!mm->mm_lock_seq` via
+:c:func:`!mm_lock_seqcount_end`.
+
+This way, we ensure that, regardless of the VMA's sequence number, a write lock
+is never incorrectly indicated and that when we release an mmap write lock we
+efficiently release **all** VMA write locks contained within the mmap at the
+same time.
+
+Since the mmap write lock is exclusive against others who hold it, the automatic
+release of any VMA locks on its release makes sense, as you would never want to
+keep VMAs locked across entirely separate write operations. It also maintains
+correct lock ordering.
+
+Each time a VMA read lock is acquired, we acquire a read lock on the
+:c:member:`!vma->vm_lock` read/write semaphore and hold it, while checking that
+the sequence count of the VMA does not match that of the mm.
+
+If it does, the read lock fails. If it does not, we hold the lock, excluding
+writers, but permitting other readers, who will also obtain this lock under RCU.
+
+Importantly, maple tree operations performed in :c:func:`!lock_vma_under_rcu`
+are also RCU safe, so the whole read lock operation is guaranteed to function
+correctly.
+
+On the write side, we acquire a write lock on the :c:member:`!vma->vm_lock`
+read/write semaphore, before setting the VMA's sequence number under this lock,
+also simultaneously holding the mmap write lock.
+
+This way, if any read locks are in effect, :c:func:`!vma_start_write` will sleep
+until these are finished and mutual exclusion is achieved.
+
+After setting the VMA's sequence number, the lock is released, avoiding
+complexity with a long-term held write lock.
+
+This clever combination of a read/write semaphore and sequence count allows for
+fast RCU-based per-VMA lock acquisition (especially on page fault, though
+utilised elsewhere) with minimal complexity around lock ordering.
+
+mmap write lock downgrading
+---------------------------
+
+When an mmap write lock is held one has exclusive access to resources within the
+mmap (with the usual caveats about requiring VMA write locks to avoid races with
+tasks holding VMA read locks).
+
+It is then possible to **downgrade** from a write lock to a read lock via
+:c:func:`!mmap_write_downgrade` which, similar to :c:func:`!mmap_write_unlock`,
+implicitly terminates all VMA write locks via :c:func:`!vma_end_write_all`, but
+importantly does not relinquish the mmap lock while downgrading, therefore
+keeping the locked virtual address space stable.
+
+An interesting consequence of this is that downgraded locks are exclusive
+against any other task possessing a downgraded lock (since a racing task would
+have to acquire a write lock first to downgrade it, and the downgraded lock
+prevents a new write lock from being obtained until the original lock is
+released).
+
+For clarity, we map read (R)/downgraded write (D)/write (W) locks against one
+another showing which locks exclude the others:
+
+.. list-table:: Lock exclusivity
+   :widths: 5 5 5 5
+   :header-rows: 1
+   :stub-columns: 1
+
+   * -
+     - R
+     - D
+     - W
+   * - R
+     - N
+     - N
+     - Y
+   * - D
+     - N
+     - Y
+     - Y
+   * - W
+     - Y
+     - Y
+     - Y
+
+Here a Y indicates the locks in the matching row/column are mutually exclusive,
+and N indicates that they are not.
+
+Stack expansion
+---------------
+
+Stack expansion throws up additional complexities in that we cannot permit there
+to be racing page faults, as a result we invoke :c:func:`!vma_start_write` to
+prevent this in :c:func:`!expand_downwards` or :c:func:`!expand_upwards`.

Documentation/netlink/specs/mptcp_pm.yaml

···
       doc: unused event
      -
       name: created
-      doc:
-        token, family, saddr4 | saddr6, daddr4 | daddr6, sport, dport
+      doc: >-
         A new MPTCP connection has been created. It is the good time to
         allocate memory and send ADD_ADDR if needed. Depending on the
         traffic-patterns it can take a long time until the
         MPTCP_EVENT_ESTABLISHED is sent.
+        Attributes: token, family, saddr4 | saddr6, daddr4 | daddr6, sport,
+        dport, server-side.
      -
       name: established
-      doc:
-        token, family, saddr4 | saddr6, daddr4 | daddr6, sport, dport
+      doc: >-
         A MPTCP connection is established (can start new subflows).
+        Attributes: token, family, saddr4 | saddr6, daddr4 | daddr6, sport,
+        dport, server-side.
      -
       name: closed
-      doc:
-        token
+      doc: >-
         A MPTCP connection has stopped.
+        Attribute: token.
      -
       name: announced
       value: 6
-      doc:
-        token, rem_id, family, daddr4 | daddr6 [, dport]
+      doc: >-
         A new address has been announced by the peer.
+        Attributes: token, rem_id, family, daddr4 | daddr6 [, dport].
      -
       name: removed
-      doc:
-        token, rem_id
+      doc: >-
         An address has been lost by the peer.
+        Attributes: token, rem_id.
      -
       name: sub-established
       value: 10
-      doc:
-        token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 | daddr6, sport,
-        dport, backup, if_idx [, error]
+      doc: >-
         A new subflow has been established. 'error' should not be set.
+        Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
+        daddr6, sport, dport, backup, if_idx [, error].
      -
       name: sub-closed
-      doc:
-        token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 | daddr6, sport,
-        dport, backup, if_idx [, error]
+      doc: >-
         A subflow has been closed. An error (copy of sk_err) could be set if an
         error has been detected for this subflow.
+        Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
+        daddr6, sport, dport, backup, if_idx [, error].
      -
       name: sub-priority
       value: 13
-      doc:
-        token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 | daddr6, sport,
-        dport, backup, if_idx [, error]
+      doc: >-
         The priority of a subflow has changed. 'error' should not be set.
+        Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
+        daddr6, sport, dport, backup, if_idx [, error].
      -
       name: listener-created
       value: 15
-      doc:
-        family, sport, saddr4 | saddr6
+      doc: >-
         A new PM listener is created.
+        Attributes: family, sport, saddr4 | saddr6.
      -
       name: listener-closed
-      doc:
-        family, sport, saddr4 | saddr6
+      doc: >-
         A PM listener is closed.
+        Attributes: family, sport, saddr4 | saddr6.
 
 attribute-sets:
   -
···
          attributes:
            - addr
     -
-      name:  flush-addrs
-      doc: flush addresses
+      name: flush-addrs
+      doc: Flush addresses
       attribute-set: endpoint
       dont-validate: [ strict ]
       flags: [ uns-admin-perm ]
···
             - addr-remote
     -
       name: announce
-      doc: announce new sf
+      doc: Announce new address
       attribute-set: attr
       dont-validate: [ strict ]
       flags: [ uns-admin-perm ]
···
             - token
     -
       name: remove
-      doc: announce removal
+      doc: Announce removal
       attribute-set: attr
       dont-validate: [ strict ]
       flags: [ uns-admin-perm ]
···
            - loc-id
     -
       name: subflow-create
-      doc: todo
+      doc: Create subflow
       attribute-set: attr
       dont-validate: [ strict ]
       flags: [ uns-admin-perm ]
···
             - addr-remote
     -
       name: subflow-destroy
-      doc: todo
+      doc: Destroy subflow
       attribute-set: attr
       dont-validate: [ strict ]
       flags: [ uns-admin-perm ]

Documentation/virt/kvm/api.rst

···
   #define KVM_IRQ_ROUTING_HV_SINT 4
   #define KVM_IRQ_ROUTING_XEN_EVTCHN 5
 
+On s390, adding a KVM_IRQ_ROUTING_S390_ADAPTER is rejected on ucontrol VMs with
+error -EINVAL.
+
 flags:
 
 - KVM_MSI_VALID_DEVID: used along with KVM_IRQ_ROUTING_MSI routing entry

Documentation/virt/kvm/devices/s390_flic.rst

···
     Enables async page faults for the guest. So in case of a major page fault
     the host is allowed to handle this async and continues the guest.
 
+    -EINVAL is returned when called on the FLIC of a ucontrol VM.
+
   KVM_DEV_FLIC_APF_DISABLE_WAIT
     Disables async page faults for the guest and waits until already pending
     async page faults are done. This is necessary to trigger a completion interrupt
     for every init interrupt before migrating the interrupt list.
+
+    -EINVAL is returned when called on the FLIC of a ucontrol VM.
 
   KVM_DEV_FLIC_ADAPTER_REGISTER
     Register an I/O adapter interrupt source. Takes a kvm_s390_io_adapter

MAINTAINERS

···
 M:	Shay Agroskin <[e-mail]>
 M:	Arthur Kiyanovski <[e-mail]>
 R:	David Arinzon <[e-mail]>
-R:	Noam Dagan <[e-mail]>
 R:	Saeed Bishara <[e-mail]>
 L:	[e-mail]
 S:	Supported
···
 
 ARM AND ARM64 SoC SUB-ARCHITECTURES (COMMON PARTS)
 M:	Arnd Bergmann <[e-mail]>
-M:	Olof Johansson <[e-mail]>
 L:	[e-mail] (moderated for non-subscribers)
 L:	[e-mail]
 S:	Maintained
···
 N:	atmel
 
 ARM/Microchip Sparx5 SoC support
-M:	Lars Povlsen <[e-mail]>
 M:	Steen Hegelund <[e-mail]>
 M:	Daniel Machon <[e-mail]>
 M:	[e-mail]
···
 
 ATHEROS ATH GENERIC UTILITIES
 M:	Kalle Valo <[e-mail]>
+M:	Jeff Johnson <[e-mail]>
 L:	[e-mail]
 S:	Supported
 F:	drivers/net/wireless/ath/*
···
 
 BONDING DRIVER
 M:	Jay Vosburgh <[e-mail]>
-M:	Andy Gospodarek <[e-mail]>
 L:	[e-mail]
 S:	Maintained
 F:	Documentation/networking/bonding.rst
···
 F:	drivers/net/ethernet/netronome/nfp/bpf/
 
 BPF JIT for POWERPC (32-BIT AND 64-BIT)
-M:	Michael Ellerman <[e-mail]>
 M:	Hari Bathini <[e-mail]>
 M:	Christophe Leroy <[e-mail]>
 R:	Naveen N Rao <[e-mail]>
···
 DRM DRIVER FOR NVIDIA GEFORCE/QUADRO GPUS
 M:	Karol Herbst <[e-mail]>
 M:	Lyude Paul <[e-mail]>
-M:	Danilo Krummrich <[e-mail]>
+M:	Danilo Krummrich <[e-mail]>
 L:	[e-mail]
 L:	[e-mail]
 S:	Supported
···
 EROFS FILE SYSTEM
 M:	Gao Xiang <[e-mail]>
 M:	Chao Yu <[e-mail]>
-R:	Yue Hu <[e-mail]>
+R:	Yue Hu <[e-mail]>
 R:	Jeffle Xu <[e-mail]>
 R:	Sandeep Dhavale <[e-mail]>
 L:	[e-mail]
···
 FIRMWARE LOADER (request_firmware)
 M:	Luis Chamberlain <[e-mail]>
 M:	Russ Weight <[e-mail]>
-M:	Danilo Krummrich <[e-mail]>
+M:	Danilo Krummrich <[e-mail]>
 L:	[e-mail]
 S:	Maintained
 F:	Documentation/firmware_class/
···
 F:	arch/mips/kvm/
 
 KERNEL VIRTUAL MACHINE FOR POWERPC (KVM/powerpc)
-M:	Michael Ellerman <[e-mail]>
+M:	Madhavan Srinivasan <[e-mail]>
 R:	Nicholas Piggin <[e-mail]>
 L:	[e-mail]
 L:	[e-mail]
···
 X:	drivers/macintosh/via-macii.c
 
 LINUX FOR POWERPC (32-BIT AND 64-BIT)
+M:	Madhavan Srinivasan <[e-mail]>
 M:	Michael Ellerman <[e-mail]>
 R:	Nicholas Piggin <[e-mail]>
 R:	Christophe Leroy <[e-mail]>
 R:	Naveen N Rao <[e-mail]>
-M:	Madhavan Srinivasan <[e-mail]>
 L:	[e-mail]
 S:	Supported
 W:	https://github.com/linuxppc/wiki/wiki
···
 MEDIATEK ETHERNET DRIVER
 M:	Felix Fietkau <[e-mail]>
 M:	Sean Wang <[e-mail]>
-M:	Mark Lee <[e-mail]>
 M:	Lorenzo Bianconi <[e-mail]>
 L:	[e-mail]
 S:	Maintained
···
 F:	include/soc/mediatek/smi.h
 
 MEDIATEK SWITCH DRIVER
-M:	Arınç ÜNAL <[e-mail]>
+M:	Chester A. Unal <[e-mail]>
 M:	Daniel Golle <[e-mail]>
 M:	DENG Qingfang <[e-mail]>
 M:	Sean Wang <[e-mail]>
···
 F:	drivers/pinctrl/mediatek/
 
 PIN CONTROLLER - MEDIATEK MIPS
-M:	Arınç ÜNAL <[e-mail]>
+M:	Chester A. Unal <[e-mail]>
 M:	Sergio Paracuellos <[e-mail]>
 L:	[e-mail] (moderated for non-subscribers)
 L:	[e-mail]
···
 F:	arch/mips/ralink
 
 RALINK MT7621 MIPS ARCHITECTURE
-M:	Arınç ÜNAL <[e-mail]>
+M:	Chester A. Unal <[e-mail]>
 M:	Sergio Paracuellos <[e-mail]>
 L:	[e-mail]
 S:	Maintained
···
 SCHEDULER - SCHED_EXT
 R:	Tejun Heo <[e-mail]>
 R:	David Vernet <[e-mail]>
+R:	Andrea Righi <[e-mail]>
+R:	Changwoo Min <[e-mail]>
 L:	[e-mail]
 S:	Maintained
 W:	https://github.com/sched-ext/scx
···
 F:	drivers/phy/st/phy-stm32-combophy.c
 
 STMMAC ETHERNET DRIVER
-M:	Alexandre Torgue <[e-mail]>
-M:	Jose Abreu <[e-mail]>
 L:	[e-mail]
-S:	Supported
-W:	http://www.stlinux.com
+S:	Orphan
 F:	Documentation/networking/device_drivers/ethernet/stmicro/
 F:	drivers/net/ethernet/stmicro/stmmac/
 
···
 F:	drivers/net/ethernet/synopsys/
 
 SYNOPSYS DESIGNWARE ETHERNET XPCS DRIVER
-M:	Jose Abreu <[e-mail]>
 L:	[e-mail]
-S:	Supported
+S:	Orphan
 F:	drivers/net/pcs/pcs-xpcs.c
 F:	drivers/net/pcs/pcs-xpcs.h
 F:	include/linux/pcs/pcs-xpcs.h
···
 
 TIPC NETWORK LAYER
 M:	Jon Maloy <[e-mail]>
-M:	Ying Xue <[e-mail]>
 L:	[e-mail] (core kernel code)
 L:	[e-mail] (user apps, general discussion)
 S:	Maintained
···
 F:	drivers/usb/isp1760/*
 
 USB LAN78XX ETHERNET DRIVER
-M:	Woojung Huh <[e-mail]>
+M:	Thangaraj Samynathan <[e-mail]>
+M:	Rengarajan Sundararajan <[e-mail]>
 M:	[e-mail]
 L:	[e-mail]
 S:	Maintained

Makefile

···
 VERSION = 6
 PATCHLEVEL = 13
 SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION = -rc7
 NAME = Baby Opossum Posse
 
 # *DOCUMENTATION*

arch/arc/Kconfig

···
 config ARC
 	def_bool y
 	select ARC_TIMERS
+	select ARCH_HAS_CPU_CACHE_ALIASING
 	select ARCH_HAS_CACHE_LINE_SIZE
 	select ARCH_HAS_DEBUG_VM_PGTABLE
 	select ARCH_HAS_DMA_PREP_COHERENT

arch/arc/include/asm/cachetype.h

···
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_ARC_CACHETYPE_H
+#define __ASM_ARC_CACHETYPE_H
+
+#define cpu_dcache_is_aliasing()	false
+#define cpu_icache_is_aliasing()	true
+
+#endif

arch/arm/boot/dts/nxp/imx/imxrt1050.dtsi

···
 			reg = <0x402c0000 0x4000>;
 			interrupts = <110>;
 			clocks = <&clks IMXRT1050_CLK_IPG_PDOF>,
-				<&clks IMXRT1050_CLK_OSC>,
+				<&clks IMXRT1050_CLK_AHB_PODF>,
 				<&clks IMXRT1050_CLK_USDHC1>;
 			clock-names = "ipg", "ahb", "per";
 			bus-width = <4>;

arch/arm/configs/imx_v6_v7_defconfig

···
 CONFIG_SND_SOC_FSL_ASOC_CARD=y
 CONFIG_SND_SOC_AC97_CODEC=y
 CONFIG_SND_SOC_CS42XX8_I2C=y
+CONFIG_SND_SOC_SPDIF=y
 CONFIG_SND_SOC_TLV320AIC3X_I2C=y
 CONFIG_SND_SOC_WM8960=y
 CONFIG_SND_SOC_WM8962=y

arch/arm/mach-imx/Kconfig

···
 	select CLKSRC_IMX_GPT
 	select GENERIC_IRQ_CHIP
 	select GPIOLIB
+	select PINCTRL
 	select PM_OPP if PM
 	select SOC_BUS
 	select SRAM

arch/arm64/boot/dts/arm/fvp-base-revc.dts

···
 		#interrupt-cells = <0x1>;
 		compatible = "pci-host-ecam-generic";
 		device_type = "pci";
-		bus-range = <0x0 0x1>;
+		bus-range = <0x0 0xff>;
 		reg = <0x0 0x40000000 0x0 0x10000000>;
 		ranges = <0x2000000 0x0 0x50000000 0x0 0x50000000 0x0 0x10000000>;
 		interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,

arch/arm64/boot/dts/broadcom/bcm2712.dtsi

···
 			l2_cache_l0: l2-cache-l0 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;
···
 			l2_cache_l1: l2-cache-l1 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;
···
 			l2_cache_l2: l2-cache-l2 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;
···
 			l2_cache_l3: l2-cache-l3 {
 				compatible = "cache";
 				cache-size = <0x80000>;
-				cache-line-size = <128>;
+				cache-line-size = <64>;
 				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
 				cache-level = <2>;
 				cache-unified;

arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi

···
 	};
 
 	esai0: esai@59010000 {
-		compatible = "fsl,imx8qm-esai";
+		compatible = "fsl,imx8qm-esai", "fsl,imx6ull-esai";
 		reg = <0x59010000 0x10000>;
 		interrupts = <GIC_SPI 409 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&esai0_lpcg IMX_LPCG_CLK_4>,

arch/arm64/boot/dts/freescale/imx8qm-ss-audio.dtsi

···
 	};
 
 	esai1: esai@59810000 {
-		compatible = "fsl,imx8qm-esai";
+		compatible = "fsl,imx8qm-esai", "fsl,imx6ull-esai";
 		reg = <0x59810000 0x10000>;
 		interrupts = <GIC_SPI 411 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&esai1_lpcg IMX_LPCG_CLK_0>,

arch/arm64/boot/dts/freescale/imx95.dtsi

···
 
 		netcmix_blk_ctrl: syscon@4c810000 {
 			compatible = "nxp,imx95-netcmix-blk-ctrl", "syscon";
-			reg = <0x0 0x4c810000 0x0 0x10000>;
+			reg = <0x0 0x4c810000 0x0 0x8>;
 			#clock-cells = <1>;
 			clocks = <&scmi_clk IMX95_CLK_BUSNETCMIX>;
 			assigned-clocks = <&scmi_clk IMX95_CLK_BUSNETCMIX>;

arch/arm64/boot/dts/qcom/sa8775p.dtsi

···
 
 			qcom,cmb-element-bits = <32>;
 			qcom,cmb-msrs-num = <32>;
+			status = "disabled";
 
 			out-ports {
 				port {
···
 		      <0x0 0x40000000 0x0 0xf20>,
 		      <0x0 0x40000f20 0x0 0xa8>,
 		      <0x0 0x40001000 0x0 0x4000>,
-		      <0x0 0x40200000 0x0 0x100000>,
+		      <0x0 0x40200000 0x0 0x1fe00000>,
 		      <0x0 0x01c03000 0x0 0x1000>,
 		      <0x0 0x40005000 0x0 0x2000>;
 		reg-names = "parf", "dbi", "elbi", "atu", "addr_space",
···
 		      <0x0 0x60000000 0x0 0xf20>,
 		      <0x0 0x60000f20 0x0 0xa8>,
 		      <0x0 0x60001000 0x0 0x4000>,
-		      <0x0 0x60200000 0x0 0x100000>,
+		      <0x0 0x60200000 0x0 0x1fe00000>,
 		      <0x0 0x01c13000 0x0 0x1000>,
 		      <0x0 0x60005000 0x0 0x2000>;
 		reg-names = "parf", "dbi", "elbi", "atu", "addr_space",

arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts

···
 	status = "okay";
 };
 
+&usb_1_ss0_dwc3 {
+	dr_mode = "host";
+};
+
 &usb_1_ss0_dwc3_hs {
 	remote-endpoint = <&pmic_glink_ss0_hs_in>;
 };
···
 
 &usb_1_ss1 {
 	status = "okay";
+};
+
+&usb_1_ss1_dwc3 {
+	dr_mode = "host";
 };
 
 &usb_1_ss1_dwc3_hs {

arch/arm64/boot/dts/qcom/x1e80100-crd.dts

···
 	status = "okay";
 };
 
+&usb_1_ss0_dwc3 {
+	dr_mode = "host";
+};
+
 &usb_1_ss0_dwc3_hs {
 	remote-endpoint = <&pmic_glink_ss0_hs_in>;
 };
···
 	status = "okay";
 };
 
+&usb_1_ss1_dwc3 {
+	dr_mode = "host";
+};
+
 &usb_1_ss1_dwc3_hs {
 	remote-endpoint = <&pmic_glink_ss1_hs_in>;
 };
···
 
 &usb_1_ss2 {
 	status = "okay";
+};
+
+&usb_1_ss2_dwc3 {
+	dr_mode = "host";
 };
 
 &usb_1_ss2_dwc3_hs {

arch/arm64/boot/dts/qcom/x1e80100.dtsi

···
 			#address-cells = <3>;
 			#size-cells = <2>;
 			ranges = <0x01000000 0x0 0x00000000 0x0 0x70200000 0x0 0x100000>,
-				 <0x02000000 0x0 0x70300000 0x0 0x70300000 0x0 0x1d00000>;
+				 <0x02000000 0x0 0x70300000 0x0 0x70300000 0x0 0x3d00000>;
 			bus-range = <0x00 0xff>;
 
 			dma-coherent;
···
 
 				dma-coherent;
 
-				usb-role-switch;
-
 				ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
···
 
 				dma-coherent;
 
-				usb-role-switch;
-
 				ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
···
 				snps,usb3_lpm_capable;
 
 				dma-coherent;
-
-				usb-role-switch;
 
 				ports {
 					#address-cells = <1>;

arch/arm64/boot/dts/rockchip/rk3328.dtsi

···
 
 			power-domain@RK3328_PD_HEVC {
 				reg = <RK3328_PD_HEVC>;
+				clocks = <&cru SCLK_VENC_CORE>;
 				#power-domain-cells = <0>;
 			};
 			power-domain@RK3328_PD_VIDEO {

arch/arm64/boot/dts/rockchip/rk3568.dtsi

···
 		assigned-clocks = <&pmucru CLK_PCIEPHY0_REF>;
 		assigned-clock-rates = <100000000>;
 		resets = <&cru SRST_PIPEPHY0>;
+		reset-names = "phy";
 		rockchip,pipe-grf = <&pipegrf>;
 		rockchip,pipe-phy-grf = <&pipe_phy_grf0>;
 		#phy-cells = <1>;

arch/arm64/boot/dts/rockchip/rk356x-base.dtsi

···
 		assigned-clocks = <&pmucru CLK_PCIEPHY1_REF>;
 		assigned-clock-rates = <100000000>;
 		resets = <&cru SRST_PIPEPHY1>;
+		reset-names = "phy";
 		rockchip,pipe-grf = <&pipegrf>;
 		rockchip,pipe-phy-grf = <&pipe_phy_grf1>;
 		#phy-cells = <1>;
···
 		assigned-clocks = <&pmucru CLK_PCIEPHY2_REF>;
 		assigned-clock-rates = <100000000>;
 		resets = <&cru SRST_PIPEPHY2>;
+		reset-names = "phy";
 		rockchip,pipe-grf = <&pipegrf>;
 		rockchip,pipe-phy-grf = <&pipe_phy_grf2>;
 		#phy-cells = <1>;

arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts

···
 
 	rfkill {
 		compatible = "rfkill-gpio";
-		label = "rfkill-pcie-wlan";
+		label = "rfkill-m2-wlan";
 		radio-type = "wlan";
 		shutdown-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>;
 	};

arch/arm64/boot/dts/rockchip/rk3588s-nanopi-r6.dtsi

···
 &sdmmc {
 	bus-width = <4>;
 	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	max-frequency = <150000000>;
 	no-mmc;

arch/arm64/kernel/signal.c

···
 #include <asm/traps.h>
 #include <asm/vdso.h>
 
-#ifdef CONFIG_ARM64_GCS
 #define GCS_SIGNAL_CAP(addr) (((unsigned long)addr) & GCS_CAP_ADDR_MASK)
-
-static bool gcs_signal_cap_valid(u64 addr, u64 val)
-{
-	return val == GCS_SIGNAL_CAP(addr);
-}
-#endif
 
 /*
  * Do a signal return; undo the signal stack. These are aligned to 128-bit.
···
 #ifdef CONFIG_ARM64_GCS
 static int gcs_restore_signal(void)
 {
-	unsigned long __user *gcspr_el0;
-	u64 cap;
+	u64 gcspr_el0, cap;
 	int ret;
 
 	if (!system_supports_gcs())
···
 	if (!(current->thread.gcs_el0_mode & PR_SHADOW_STACK_ENABLE))
 		return 0;
 
-	gcspr_el0 = (unsigned long __user *)read_sysreg_s(SYS_GCSPR_EL0);
+	gcspr_el0 = read_sysreg_s(SYS_GCSPR_EL0);
 
 	/*
 	 * Ensure that any changes to the GCS done via GCS operations
···
 	 * then faults will be generated on GCS operations - the main
 	 * concern is to protect GCS pages.
 	 */
-	ret = copy_from_user(&cap, gcspr_el0, sizeof(cap));
+	ret = copy_from_user(&cap, (unsigned long __user *)gcspr_el0,
+			     sizeof(cap));
 	if (ret)
 		return -EFAULT;
 
 	/*
 	 * Check that the cap is the actual GCS before replacing it.
 	 */
-	if (!gcs_signal_cap_valid((u64)gcspr_el0, cap))
+	if (cap != GCS_SIGNAL_CAP(gcspr_el0))
 		return -EINVAL;
 
 	/* Invalidate the token to prevent reuse */
-	put_user_gcs(0, (__user void*)gcspr_el0, &ret);
+	put_user_gcs(0, (unsigned long __user *)gcspr_el0, &ret);
 	if (ret != 0)
 		return -EFAULT;
 
-	write_sysreg_s(gcspr_el0 + 1, SYS_GCSPR_EL0);
+	write_sysreg_s(gcspr_el0 + 8, SYS_GCSPR_EL0);
 
 	return 0;
 }
···
 
 static int gcs_signal_entry(__sigrestore_t sigtramp, struct ksignal *ksig)
 {
-	unsigned long __user *gcspr_el0;
+	u64 gcspr_el0;
 	int ret = 0;
 
 	if (!system_supports_gcs())
···
 	 * We are entering a signal handler, current register state is
 	 * active.
 	 */
-	gcspr_el0 = (unsigned long __user *)read_sysreg_s(SYS_GCSPR_EL0);
+	gcspr_el0 = read_sysreg_s(SYS_GCSPR_EL0);
 
 	/*
 	 * Push a cap and the GCS entry for the trampoline onto the GCS.
 	 */
-	put_user_gcs((unsigned long)sigtramp, gcspr_el0 - 2, &ret);
-	put_user_gcs(GCS_SIGNAL_CAP(gcspr_el0 - 1), gcspr_el0 - 1, &ret);
+	put_user_gcs((unsigned long)sigtramp,
+		     (unsigned long __user *)(gcspr_el0 - 16), &ret);
+	put_user_gcs(GCS_SIGNAL_CAP(gcspr_el0 - 8),
+		     (unsigned long __user *)(gcspr_el0 - 8), &ret);
 	if (ret != 0)
 		return ret;
 
-	gcspr_el0 -= 2;
-	write_sysreg_s((unsigned long)gcspr_el0, SYS_GCSPR_EL0);
+	gcspr_el0 -= 16;
+	write_sysreg_s(gcspr_el0, SYS_GCSPR_EL0);
 
 	return 0;
 }

arch/arm64/kvm/hyp/nvhe/mem_protect.c

···
 	if (tx->initiator.id == PKVM_ID_HOST && hyp_page_count((void *)addr))
 		return -EBUSY;
 
-	if (__hyp_ack_skip_pgtable_check(tx))
-		return 0;
-
 	return __hyp_check_page_state_range(addr, size,
 					    PKVM_PAGE_SHARED_BORROWED);
 }

arch/arm64/kvm/pmu-emul.c

···
 
 static void kvm_pmu_create_perf_event(struct kvm_pmc *pmc);
 static void kvm_pmu_release_perf_event(struct kvm_pmc *pmc);
+static bool kvm_pmu_counter_is_enabled(struct kvm_pmc *pmc);
 
 static struct kvm_vcpu *kvm_pmc_to_vcpu(const struct kvm_pmc *pmc)
 {
···
 		return GENMASK(val - 1, 0) | BIT(ARMV8_PMU_CYCLE_IDX);
 }
 
-/**
- * kvm_pmu_enable_counter_mask - enable selected PMU counters
- * @vcpu: The vcpu pointer
- * @val: the value guest writes to PMCNTENSET register
- *
- * Call perf_event_enable to start counting the perf event
- */
-void kvm_pmu_enable_counter_mask(struct kvm_vcpu *vcpu, u64 val)
+static void kvm_pmc_enable_perf_event(struct kvm_pmc *pmc)
 {
-	int i;
-	if (!kvm_vcpu_has_pmu(vcpu))
+	if (!pmc->perf_event) {
+		kvm_pmu_create_perf_event(pmc);
 		return;
-
-	if (!(kvm_vcpu_read_pmcr(vcpu) & ARMV8_PMU_PMCR_E) || !val)
-		return;
-
-	for (i = 0; i < KVM_ARMV8_PMU_MAX_COUNTERS; i++) {
-		struct kvm_pmc *pmc;
-
-		if (!(val & BIT(i)))
-			continue;
-
-		pmc = kvm_vcpu_idx_to_pmc(vcpu, i);
-
-		if (!pmc->perf_event) {
-			kvm_pmu_create_perf_event(pmc);
-		} else {
-			perf_event_enable(pmc->perf_event);
-			if (pmc->perf_event->state != PERF_EVENT_STATE_ACTIVE)
-				kvm_debug("fail to enable perf event\n");
-		}
 	}
+
+	perf_event_enable(pmc->perf_event);
+	if (pmc->perf_event->state != PERF_EVENT_STATE_ACTIVE)
+		kvm_debug("fail to enable perf event\n");
 }
 
-/**
- * kvm_pmu_disable_counter_mask - disable selected PMU counters
- * @vcpu: The vcpu pointer
- * @val: the value guest writes to PMCNTENCLR register
- *
- * Call perf_event_disable to stop counting the perf event
- */
-void kvm_pmu_disable_counter_mask(struct kvm_vcpu *vcpu, u64 val)
+static void kvm_pmc_disable_perf_event(struct kvm_pmc *pmc)
+{
+	if (pmc->perf_event)
+		perf_event_disable(pmc->perf_event);
+}
+
+void kvm_pmu_reprogram_counter_mask(struct kvm_vcpu *vcpu, u64 val)
 {
 	int i;
 
···
 		return;
 
 	for (i = 0; i < KVM_ARMV8_PMU_MAX_COUNTERS; i++) {
-		struct kvm_pmc *pmc;
+		struct kvm_pmc *pmc = kvm_vcpu_idx_to_pmc(vcpu, i);
 
 		if (!(val & BIT(i)))
 			continue;
 
-		pmc = kvm_vcpu_idx_to_pmc(vcpu, i);
-
-		if (pmc->perf_event)
-			perf_event_disable(pmc->perf_event);
+		if (kvm_pmu_counter_is_enabled(pmc))
+			kvm_pmc_enable_perf_event(pmc);
+		else
+			kvm_pmc_disable_perf_event(pmc);
 	}
+
+	kvm_vcpu_pmu_restore_guest(vcpu);
 }
 
 /*
···
 	if (!kvm_has_feat(vcpu->kvm, ID_AA64DFR0_EL1, PMUVer, V3P5))
 		val &= ~ARMV8_PMU_PMCR_LP;
 
+	/* Request a reload of the PMU to enable/disable affected counters */
+	if ((__vcpu_sys_reg(vcpu, PMCR_EL0) ^ val) & ARMV8_PMU_PMCR_E)
+		kvm_make_request(KVM_REQ_RELOAD_PMU, vcpu);
+
 	/* The reset bits don't indicate any state, and shouldn't be saved. */
 	__vcpu_sys_reg(vcpu, PMCR_EL0) = val & ~(ARMV8_PMU_PMCR_C | ARMV8_PMU_PMCR_P);
-
-	if (val & ARMV8_PMU_PMCR_E) {
-		kvm_pmu_enable_counter_mask(vcpu,
-		       __vcpu_sys_reg(vcpu, PMCNTENSET_EL0));
-	} else {
-		kvm_pmu_disable_counter_mask(vcpu,
-		       __vcpu_sys_reg(vcpu, PMCNTENSET_EL0));
-	}
 
 	if (val & ARMV8_PMU_PMCR_C)
 		kvm_pmu_set_counter_value(vcpu, ARMV8_PMU_CYCLE_IDX, 0);
 
 	if (val & ARMV8_PMU_PMCR_P) {
-		unsigned long mask = kvm_pmu_accessible_counter_mask(vcpu);
-		mask &= ~BIT(ARMV8_PMU_CYCLE_IDX);
+		/*
+		 * Unlike other PMU sysregs, the controls in PMCR_EL0 always apply
+		 * to the 'guest' range of counters and never the 'hyp' range.
+		 */
+		unsigned long mask = kvm_pmu_implemented_counter_mask(vcpu) &
+				     ~kvm_pmu_hyp_counter_mask(vcpu) &
+				     ~BIT(ARMV8_PMU_CYCLE_IDX);
+
 		for_each_set_bit(i, &mask, 32)
 			kvm_pmu_set_pmc_value(kvm_vcpu_idx_to_pmc(vcpu, i), 0, true);
 	}
-	kvm_vcpu_pmu_restore_guest(vcpu);
 }
 
 static bool kvm_pmu_counter_is_enabled(struct kvm_pmc *pmc)
···
 {
 	u64 mask = kvm_pmu_implemented_counter_mask(vcpu);
 
-	kvm_pmu_handle_pmcr(vcpu, kvm_vcpu_read_pmcr(vcpu));
-
 	__vcpu_sys_reg(vcpu, PMOVSSET_EL0) &= mask;
 	__vcpu_sys_reg(vcpu, PMINTENSET_EL1) &= mask;
 	__vcpu_sys_reg(vcpu, PMCNTENSET_EL0) &= mask;
+
+	kvm_pmu_reprogram_counter_mask(vcpu, mask);
 }
 
 int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu)

arch/arm64/kvm/sys_regs.c

···
 	mask = kvm_pmu_accessible_counter_mask(vcpu);
 	if (p->is_write) {
 		val = p->regval & mask;
-		if (r->Op2 & 0x1) {
+		if (r->Op2 & 0x1)
 			/* accessing PMCNTENSET_EL0 */
 			__vcpu_sys_reg(vcpu, PMCNTENSET_EL0) |= val;
-			kvm_pmu_enable_counter_mask(vcpu, val);
-			kvm_vcpu_pmu_restore_guest(vcpu);
-		} else {
+		else
 			/* accessing PMCNTENCLR_EL0 */
 			__vcpu_sys_reg(vcpu, PMCNTENSET_EL0) &= ~val;
-			kvm_pmu_disable_counter_mask(vcpu, val);
-		}
+
+		kvm_pmu_reprogram_counter_mask(vcpu, val);
 	} else {
 		p->regval = __vcpu_sys_reg(vcpu, PMCNTENSET_EL0);
 	}
···
 	return __el2_visibility(vcpu, rd, s1pie_visibility);
 }
 
+static bool access_mdcr(struct kvm_vcpu *vcpu,
+			struct sys_reg_params *p,
+			const struct sys_reg_desc *r)
+{
+	u64 old = __vcpu_sys_reg(vcpu, MDCR_EL2);
+
+	if (!access_rw(vcpu, p, r))
+		return false;
+
+	/*
+	 * Request a reload of the PMU to enable/disable the counters affected
+	 * by HPME.
+	 */
+	if ((old ^ __vcpu_sys_reg(vcpu, MDCR_EL2)) & MDCR_EL2_HPME)
+		kvm_make_request(KVM_REQ_RELOAD_PMU, vcpu);
+
+	return true;
+}
+
+
 /*
  * Architected system registers.
  * Important: Must be sorted ascending by Op0, Op1, CRn, CRm, Op2
···
 	EL2_REG(SCTLR_EL2, access_rw, reset_val, SCTLR_EL2_RES1),
 	EL2_REG(ACTLR_EL2, access_rw, reset_val, 0),
 	EL2_REG_VNCR(HCR_EL2, reset_hcr, 0),
-	EL2_REG(MDCR_EL2, access_rw, reset_val, 0),
+	EL2_REG(MDCR_EL2, access_mdcr, reset_val, 0),
 	EL2_REG(CPTR_EL2, access_rw, reset_val, CPTR_NVHE_EL2_RES1),
 	EL2_REG_VNCR(HSTR_EL2, reset_val, 0),
 	EL2_REG_VNCR(HFGRTR_EL2, reset_val, 0),

arch/hexagon/Makefile

···
 TIR_NAME := r19
 KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
 KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
+
+# Disable HexagonConstExtenders pass for LLVM versions prior to 19.1.0
+# https://github.com/llvm/llvm-project/issues/99714
+ifneq ($(call clang-min-version, 190100),y)
+KBUILD_CFLAGS += -mllvm -hexagon-cext=false
+endif

arch/loongarch/include/asm/kvm_host.h

···
 #define LOONGARCH_PV_FEAT_UPDATED	BIT_ULL(63)
 #define LOONGARCH_PV_FEAT_MASK		(BIT(KVM_FEATURE_IPI) |		\
 					 BIT(KVM_FEATURE_STEAL_TIME) |	\
+					 BIT(KVM_FEATURE_USER_HCALL) |	\
 					 BIT(KVM_FEATURE_VIRT_EXTIOI))
 
 struct kvm_vcpu_arch {

arch/loongarch/include/asm/kvm_para.h

···
 
 #define KVM_HCALL_CODE_SERVICE		0
 #define KVM_HCALL_CODE_SWDBG		1
+#define KVM_HCALL_CODE_USER_SERVICE	2
 
 #define KVM_HCALL_SERVICE		HYPERCALL_ENCODE(HYPERVISOR_KVM, KVM_HCALL_CODE_SERVICE)
 #define  KVM_HCALL_FUNC_IPI		1
 #define  KVM_HCALL_FUNC_NOTIFY		2
 
 #define KVM_HCALL_SWDBG			HYPERCALL_ENCODE(HYPERVISOR_KVM, KVM_HCALL_CODE_SWDBG)
+
+#define KVM_HCALL_USER_SERVICE		HYPERCALL_ENCODE(HYPERVISOR_KVM, KVM_HCALL_CODE_USER_SERVICE)
 
 /*
  * LoongArch hypercall return code

arch/loongarch/include/asm/kvm_vcpu.h

···
 int  kvm_emu_mmio_write(struct kvm_vcpu *vcpu, larch_inst inst);
 int  kvm_complete_mmio_read(struct kvm_vcpu *vcpu, struct kvm_run *run);
 int  kvm_complete_iocsr_read(struct kvm_vcpu *vcpu, struct kvm_run *run);
+int  kvm_complete_user_service(struct kvm_vcpu *vcpu, struct kvm_run *run);
 int  kvm_emu_idle(struct kvm_vcpu *vcpu);
 int  kvm_pending_timer(struct kvm_vcpu *vcpu);
 int  kvm_handle_fault(struct kvm_vcpu *vcpu, int fault);

arch/loongarch/include/uapi/asm/kvm_para.h

···
 #define  KVM_FEATURE_STEAL_TIME		2
 /* BIT 24 - 31 are features configurable by user space vmm */
 #define  KVM_FEATURE_VIRT_EXTIOI	24
+#define  KVM_FEATURE_USER_HCALL		25
 
 #endif /* _UAPI_ASM_KVM_PARA_H */

arch/loongarch/kvm/exit.c

···
 	return kvm_handle_rdwr_fault(vcpu, true);
 }
 
+int kvm_complete_user_service(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+	update_pc(&vcpu->arch);
+	kvm_write_reg(vcpu, LOONGARCH_GPR_A0, run->hypercall.ret);
+
+	return 0;
+}
+
 /**
  * kvm_handle_fpu_disabled() - Guest used fpu however it is disabled at host
  * @vcpu:	Virtual CPU context.
···
 	case KVM_HCALL_SERVICE:
 		vcpu->stat.hypercall_exits++;
 		kvm_handle_service(vcpu);
+		break;
+	case KVM_HCALL_USER_SERVICE:
+		if (!kvm_guest_has_pv_feature(vcpu, KVM_FEATURE_USER_HCALL)) {
+			kvm_write_reg(vcpu, LOONGARCH_GPR_A0, KVM_HCALL_INVALID_CODE);
+			break;
+		}
+
+		vcpu->stat.hypercall_exits++;
+		vcpu->run->exit_reason = KVM_EXIT_HYPERCALL;
+		vcpu->run->hypercall.nr = KVM_HCALL_USER_SERVICE;
+		vcpu->run->hypercall.args[0] = kvm_read_reg(vcpu, LOONGARCH_GPR_A0);
+		vcpu->run->hypercall.args[1] = kvm_read_reg(vcpu, LOONGARCH_GPR_A1);
+		vcpu->run->hypercall.args[2] = kvm_read_reg(vcpu, LOONGARCH_GPR_A2);
+		vcpu->run->hypercall.args[3] = kvm_read_reg(vcpu, LOONGARCH_GPR_A3);
+		vcpu->run->hypercall.args[4] = kvm_read_reg(vcpu, LOONGARCH_GPR_A4);
+		vcpu->run->hypercall.args[5] = kvm_read_reg(vcpu, LOONGARCH_GPR_A5);
+		vcpu->run->hypercall.flags = 0;
+		/*
+		 * Set invalid return value by default, let user-mode VMM modify it.
+		 */
+		vcpu->run->hypercall.ret = KVM_HCALL_INVALID_CODE;
+		ret = RESUME_HOST;
 		break;
 	case KVM_HCALL_SWDBG:
 		/* KVM_HCALL_SWDBG only in effective when SW_BP is enabled */

arch/loongarch/kvm/main.c

···
 		trace_kvm_vpid_change(vcpu, vcpu->arch.vpid);
 		vcpu->cpu = cpu;
 		kvm_clear_request(KVM_REQ_TLB_FLUSH_GPA, vcpu);
+
+		/*
+		 * LLBCTL is a separated guest CSR register from host, a general
+		 * exception ERET instruction clears the host LLBCTL register in
+		 * host mode, and clears the guest LLBCTL register in guest mode.
+		 * ERET in tlb refill exception does not clear LLBCTL register.
+		 *
+		 * When secondary mmu mapping is changed, guest OS does not know
+		 * even if the content is changed after mapping is changed.
+		 *
+		 * Here clear WCLLB of the guest LLBCTL register when mapping is
+		 * changed. Otherwise, if mmu mapping is changed while guest is
+		 * executing LL/SC pair, LL loads with the old address and set
+		 * the LLBCTL flag, SC checks the LLBCTL flag and will store the
+		 * new address successfully since LLBCTL_WCLLB is on, even if
+		 * memory with new address is changed on other VCPUs.
+		 */
+		set_gcsr_llbctl(CSR_LLBCTL_WCLLB);
 	}
 
 	/* Restore GSTAT(0x50).vpid */

arch/loongarch/kvm/vcpu.c

···
 		vcpu->mmio_needed = 0;
 	}
 
-	if (run->exit_reason == KVM_EXIT_LOONGARCH_IOCSR) {
+	switch (run->exit_reason) {
+	case KVM_EXIT_HYPERCALL:
+		kvm_complete_user_service(vcpu, run);
+		break;
+	case KVM_EXIT_LOONGARCH_IOCSR:
 		if (!run->iocsr_io.is_write)
 			kvm_complete_iocsr_read(vcpu, run);
+		break;
 	}
 
 	if (!vcpu->wants_to_run)

arch/nios2/kernel/cpuinfo.c

···
 		   " DIV:\t\t%s\n"
 		   " BMX:\t\t%s\n"
 		   " CDX:\t\t%s\n",
-		   cpuinfo.has_mul ? "yes" : "no",
-		   cpuinfo.has_mulx ? "yes" : "no",
-		   cpuinfo.has_div ? "yes" : "no",
-		   cpuinfo.has_bmx ? "yes" : "no",
-		   cpuinfo.has_cdx ? "yes" : "no");
+		   str_yes_no(cpuinfo.has_mul),
+		   str_yes_no(cpuinfo.has_mulx),
+		   str_yes_no(cpuinfo.has_div),
+		   str_yes_no(cpuinfo.has_bmx),
+		   str_yes_no(cpuinfo.has_cdx));
 
 	seq_printf(m,
 		   "Icache:\t\t%ukB, line length: %u\n",

arch/powerpc/configs/pmac32_defconfig

···
 CONFIG_FB_ATY_CT=y
 CONFIG_FB_ATY_GX=y
 CONFIG_FB_3DFX=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_LOGO=y

arch/powerpc/configs/ppc6xx_defconfig

···
 CONFIG_FB_SM501=m
 CONFIG_FB_IBM_GXT4500=y
 CONFIG_LCD_PLATFORM=m
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
 CONFIG_LOGO=y

arch/powerpc/kvm/e500.h

···
 #define E500_TLB_BITMAP		(1 << 30)
 /* TLB1 entry is mapped by host TLB0 */
 #define E500_TLB_TLB0		(1 << 29)
+/* entry is writable on the host */
+#define E500_TLB_WRITABLE	(1 << 28)
 /* bits [6-5] MAS2_X1 and MAS2_X0 and [4-0] bits for WIMGE */
 #define E500_TLB_MAS2_ATTR	(0x7f)
 

arch/powerpc/kvm/e500_mmu_host.c

···
 	return host_tlb_params[1].entries - tlbcam_index - 1;
 }
 
-static inline u32 e500_shadow_mas3_attrib(u32 mas3, int usermode)
+static inline u32 e500_shadow_mas3_attrib(u32 mas3, bool writable, int usermode)
 {
 	/* Mask off reserved bits. */
 	mas3 &= MAS3_ATTRIB_MASK;
+
+	if (!writable)
+		mas3 &= ~(MAS3_UW|MAS3_SW);
 
 #ifndef CONFIG_KVM_BOOKE_HV
 	if (!usermode) {
···
 	return tlbe->mas7_3 & (MAS3_SW|MAS3_UW);
 }
 
-static inline bool kvmppc_e500_ref_setup(struct tlbe_ref *ref,
+static inline void kvmppc_e500_ref_setup(struct tlbe_ref *ref,
 					 struct kvm_book3e_206_tlb_entry *gtlbe,
-					 kvm_pfn_t pfn, unsigned int wimg)
+					 kvm_pfn_t pfn, unsigned int wimg,
+					 bool writable)
 {
 	ref->pfn = pfn;
 	ref->flags = E500_TLB_VALID;
+	if (writable)
+		ref->flags |= E500_TLB_WRITABLE;
 
 	/* Use guest supplied MAS2_G and MAS2_E */
 	ref->flags |= (gtlbe->mas2 & MAS2_ATTRIB_MASK) | wimg;
-
-	return tlbe_is_writable(gtlbe);
 }
 
 static inline void kvmppc_e500_ref_release(struct tlbe_ref *ref)
···
 {
 	kvm_pfn_t pfn = ref->pfn;
 	u32 pr = vcpu->arch.shared->msr & MSR_PR;
+	bool writable = !!(ref->flags & E500_TLB_WRITABLE);
 
 	BUG_ON(!(ref->flags & E500_TLB_VALID));
 
···
 	stlbe->mas1 = MAS1_TSIZE(tsize) | get_tlb_sts(gtlbe) | MAS1_VALID;
 	stlbe->mas2 = (gvaddr & MAS2_EPN) | (ref->flags & E500_TLB_MAS2_ATTR);
 	stlbe->mas7_3 = ((u64)pfn << PAGE_SHIFT) |
-			e500_shadow_mas3_attrib(gtlbe->mas7_3, pr);
+			e500_shadow_mas3_attrib(gtlbe->mas7_3, writable, pr);
 }
 
 static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
···
 	struct tlbe_ref *ref)
 {
 	struct kvm_memory_slot *slot;
-	unsigned long pfn = 0; /* silence GCC warning */
+	unsigned int psize;
+	unsigned long pfn;
 	struct page *page = NULL;
 	unsigned long hva;
-	int pfnmap = 0;
 	int tsize = BOOK3E_PAGESZ_4K;
 	int ret = 0;
 	unsigned long mmu_seq;
 	struct kvm *kvm = vcpu_e500->vcpu.kvm;
-	unsigned long tsize_pages = 0;
 	pte_t *ptep;
 	unsigned int wimg = 0;
 	pgd_t *pgdir;
···
 	slot = gfn_to_memslot(vcpu_e500->vcpu.kvm, gfn);
 	hva = gfn_to_hva_memslot(slot, gfn);
 
-	if (tlbsel == 1) {
-		struct vm_area_struct *vma;
-		mmap_read_lock(kvm->mm);
-
-		vma = find_vma(kvm->mm, hva);
-		if (vma && hva >= vma->vm_start &&
-		    (vma->vm_flags & VM_PFNMAP)) {
-			/*
-			 * This VMA is a physically contiguous region (e.g.
-			 * /dev/mem) that bypasses normal Linux page
-			 * management.  Find the overlap between the
-			 * vma and the memslot.
-			 */
-
-			unsigned long start, end;
-			unsigned long slot_start, slot_end;
-
-			pfnmap = 1;
-
-			start = vma->vm_pgoff;
-			end = start +
-			      vma_pages(vma);
-
-			pfn = start + ((hva - vma->vm_start) >> PAGE_SHIFT);
-
-			slot_start = pfn - (gfn - slot->base_gfn);
-			slot_end = slot_start + slot->npages;
-
-			if (start < slot_start)
-				start = slot_start;
-			if (end > slot_end)
-				end = slot_end;
-
-			tsize = (gtlbe->mas1 & MAS1_TSIZE_MASK) >>
-				MAS1_TSIZE_SHIFT;
-
-			/*
-			 * e500 doesn't implement the lowest tsize bit,
-			 * or 1K pages.
-			 */
-			tsize = max(BOOK3E_PAGESZ_4K, tsize & ~1);
-
-			/*
-			 * Now find the largest tsize (up to what the guest
-			 * requested) that will cover gfn, stay within the
-			 * range, and for which gfn and pfn are mutually
-			 * aligned.
-			 */
-
-			for (; tsize > BOOK3E_PAGESZ_4K; tsize -= 2) {
-				unsigned long gfn_start, gfn_end;
-				tsize_pages = 1UL << (tsize - 2);
-
-				gfn_start = gfn & ~(tsize_pages - 1);
-				gfn_end = gfn_start + tsize_pages;
-
-				if (gfn_start + pfn - gfn < start)
-					continue;
-				if (gfn_end + pfn - gfn > end)
-					continue;
-				if ((gfn & (tsize_pages - 1)) !=
-				    (pfn & (tsize_pages - 1)))
-					continue;
-
-				gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
-				pfn &= ~(tsize_pages - 1);
-				break;
-			}
-		} else if (vma && hva >= vma->vm_start &&
-			   is_vm_hugetlb_page(vma)) {
-			unsigned long psize = vma_kernel_pagesize(vma);
-
-			tsize = (gtlbe->mas1 & MAS1_TSIZE_MASK) >>
-				MAS1_TSIZE_SHIFT;
-
-			/*
-			 * Take the largest page size that satisfies both host
-			 * and guest mapping
-			 */
-			tsize = min(__ilog2(psize) - 10, tsize);
-
-			/*
-			 * e500 doesn't implement the lowest tsize bit,
-			 * or 1K pages.
-			 */
-			tsize = max(BOOK3E_PAGESZ_4K, tsize & ~1);
-		}
-
-		mmap_read_unlock(kvm->mm);
-	}
-
-	if (likely(!pfnmap)) {
-		tsize_pages = 1UL << (tsize + 10 - PAGE_SHIFT);
-		pfn = __kvm_faultin_pfn(slot, gfn, FOLL_WRITE, NULL, &page);
-		if (is_error_noslot_pfn(pfn)) {
-			if (printk_ratelimit())
-				pr_err("%s: real page not found for gfn %lx\n",
-				       __func__, (long)gfn);
-			return -EINVAL;
-		}
-
-		/* Align guest and physical address to page map boundaries */
-		pfn &= ~(tsize_pages - 1);
-		gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
+	pfn = __kvm_faultin_pfn(slot, gfn, FOLL_WRITE, &writable, &page);
+	if (is_error_noslot_pfn(pfn)) {
+		if (printk_ratelimit())
+			pr_err("%s: real page not found for gfn %lx\n",
+			       __func__, (long)gfn);
+		return -EINVAL;
 	}
 
 	spin_lock(&kvm->mmu_lock);
···
 	 * can't run hence pfn won't change.
 	 */
 	local_irq_save(flags);
-	ptep = find_linux_pte(pgdir, hva, NULL, NULL);
+	ptep = find_linux_pte(pgdir, hva, NULL, &psize);
 	if (ptep) {
 		pte_t pte = READ_ONCE(*ptep);
 
 		if (pte_present(pte)) {
 			wimg = (pte_val(pte) >> PTE_WIMGE_SHIFT) &
 				MAS2_WIMGE_MASK;
-			local_irq_restore(flags);
 		} else {
 			local_irq_restore(flags);
 			pr_err_ratelimited("%s: pte not present: gfn %lx,pfn %lx\n",
···
 			goto out;
 		}
 	}
-	writable = kvmppc_e500_ref_setup(ref, gtlbe, pfn, wimg);
+	local_irq_restore(flags);
 
+	if (psize && tlbsel == 1) {
+		unsigned long psize_pages, tsize_pages;
+		unsigned long start, end;
+		unsigned long slot_start, slot_end;
+
+		psize_pages = 1UL << (psize - PAGE_SHIFT);
+		start = pfn & ~(psize_pages - 1);
+		end = start + psize_pages;
+
+		slot_start = pfn - (gfn - slot->base_gfn);
+		slot_end = slot_start + slot->npages;
+
+		if (start < slot_start)
+			start = slot_start;
+		if (end > slot_end)
+			end = slot_end;
+
+		tsize = (gtlbe->mas1 & MAS1_TSIZE_MASK) >>
+			MAS1_TSIZE_SHIFT;
+
+		/*
+		 * Any page size that doesn't satisfy the host mapping
+		 * will fail the start and end tests.
+		 */
+		tsize = min(psize - PAGE_SHIFT + BOOK3E_PAGESZ_4K, tsize);
+
+		/*
+		 * e500 doesn't implement the lowest tsize bit,
+		 * or 1K pages.
+		 */
+		tsize = max(BOOK3E_PAGESZ_4K, tsize & ~1);
+
+		/*
+		 * Now find the largest tsize (up to what the guest
+		 * requested) that will cover gfn, stay within the
+		 * range, and for which gfn and pfn are mutually
+		 * aligned.
+		 */
+
+		for (; tsize > BOOK3E_PAGESZ_4K; tsize -= 2) {
+			unsigned long gfn_start, gfn_end;
+			tsize_pages = 1UL << (tsize - 2);
+
+			gfn_start = gfn & ~(tsize_pages - 1);
+			gfn_end = gfn_start + tsize_pages;
+
+			if (gfn_start + pfn - gfn < start)
+				continue;
+			if (gfn_end + pfn - gfn > end)
+				continue;
+			if ((gfn & (tsize_pages - 1)) !=
+			    (pfn & (tsize_pages - 1)))
+				continue;
+
+			gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
+			pfn &= ~(tsize_pages - 1);
+			break;
+		}
+	}
+
+	kvmppc_e500_ref_setup(ref, gtlbe, pfn, wimg, writable);
 	kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize,
 				ref, gvaddr, stlbe);
+	writable = tlbe_is_writable(stlbe);
 
 	/* Clear i-cache for new pages */
 	kvmppc_mmu_flush_icache(pfn);

arch/powerpc/platforms/book3s/vas-api.c

···
 	return VM_FAULT_SIGBUS;
 }
 
+/*
+ * During mmap() paste address, mapping VMA is saved in VAS window
+ * struct which is used to unmap during migration if the window is
+ * still open. But the user space can remove this mapping with
+ * munmap() before closing the window and the VMA address will
+ * be invalid. Set VAS window VMA to NULL in this function which
+ * is called before VMA free.
+ */
+static void vas_mmap_close(struct vm_area_struct *vma)
+{
+	struct file *fp = vma->vm_file;
+	struct coproc_instance *cp_inst = fp->private_data;
+	struct vas_window *txwin;
+
+	/* Should not happen */
+	if (!cp_inst || !cp_inst->txwin) {
+		pr_err("No attached VAS window for the paste address mmap\n");
+		return;
+	}
+
+	txwin = cp_inst->txwin;
+	/*
+	 * task_ref.vma is set in coproc_mmap() during mmap paste
+	 * address. So it has to be the same VMA that is getting freed.
+	 */
+	if (WARN_ON(txwin->task_ref.vma != vma)) {
+		pr_err("Invalid paste address mmaping\n");
+		return;
+	}
+
+	mutex_lock(&txwin->task_ref.mmap_mutex);
+	txwin->task_ref.vma = NULL;
+	mutex_unlock(&txwin->task_ref.mmap_mutex);
+}
+
 static const struct vm_operations_struct vas_vm_ops = {
+	.close = vas_mmap_close,
 	.fault = vas_mmap_fault,
 };
 

arch/riscv/include/asm/page.h

···
 
 extern struct kernel_mapping kernel_map;
 extern phys_addr_t phys_ram_base;
+extern unsigned long vmemmap_start_pfn;
 
 #define is_kernel_mapping(x)	\
 	((x) >= kernel_map.virt_addr && (x) < (kernel_map.virt_addr + kernel_map.size))

arch/riscv/include/asm/pgtable.h

···
  * Define vmemmap for pfn_to_page & page_to_pfn calls. Needed if kernel
  * is configured with CONFIG_SPARSEMEM_VMEMMAP enabled.
  */
-#define vmemmap		((struct page *)VMEMMAP_START - (phys_ram_base >> PAGE_SHIFT))
+#define vmemmap		((struct page *)VMEMMAP_START - vmemmap_start_pfn)
 
 #define PCI_IO_SIZE      SZ_16M
 #define PCI_IO_END       VMEMMAP_START

arch/riscv/include/asm/sbi.h

···
 };
 
 #define RISCV_PMU_RAW_EVENT_MASK GENMASK_ULL(47, 0)
+#define RISCV_PMU_PLAT_FW_EVENT_MASK GENMASK_ULL(61, 0)
 #define RISCV_PMU_RAW_EVENT_IDX 0x20000
 #define RISCV_PLAT_FW_EVENT	0xFFFF
 

arch/riscv/include/asm/spinlock.h

···
 #ifndef __ASM_RISCV_SPINLOCK_H
 #define __ASM_RISCV_SPINLOCK_H
 
-#ifdef CONFIG_RISCV_COMBO_SPINLOCKS
+#ifdef CONFIG_QUEUED_SPINLOCKS
 #define _Q_PENDING_LOOPS	(1 << 9)
+#endif
+
+#ifdef CONFIG_RISCV_COMBO_SPINLOCKS
 
 #define __no_arch_spinlock_redefine
 #include <asm/ticket_spinlock.h>

arch/riscv/kernel/entry.S

···
 	REG_S 	a0, TASK_TI_A0(tp)
 	csrr 	a0, CSR_CAUSE
 	/* Exclude IRQs */
-	blt  	a0, zero, _new_vmalloc_restore_context_a0
+	blt  	a0, zero, .Lnew_vmalloc_restore_context_a0
 
 	REG_S 	a1, TASK_TI_A1(tp)
 	/* Only check new_vmalloc if we are in page/protection fault */
 	li   	a1, EXC_LOAD_PAGE_FAULT
-	beq  	a0, a1, _new_vmalloc_kernel_address
+	beq  	a0, a1, .Lnew_vmalloc_kernel_address
 	li   	a1, EXC_STORE_PAGE_FAULT
-	beq  	a0, a1, _new_vmalloc_kernel_address
+	beq  	a0, a1, .Lnew_vmalloc_kernel_address
 	li   	a1, EXC_INST_PAGE_FAULT
-	bne  	a0, a1, _new_vmalloc_restore_context_a1
+	bne  	a0, a1, .Lnew_vmalloc_restore_context_a1
 
-_new_vmalloc_kernel_address:
+.Lnew_vmalloc_kernel_address:
 	/* Is it a kernel address? */
 	csrr 	a0, CSR_TVAL
-	bge 	a0, zero, _new_vmalloc_restore_context_a1
+	bge 	a0, zero, .Lnew_vmalloc_restore_context_a1
 
 	/* Check if a new vmalloc mapping appeared that could explain the trap */
 	REG_S	a2, TASK_TI_A2(tp)
···
 	/* Check the value of new_vmalloc for this cpu */
 	REG_L	a2, 0(a0)
 	and	a2, a2, a1
-	beq	a2, zero, _new_vmalloc_restore_context
+	beq	a2, zero, .Lnew_vmalloc_restore_context
 
 	/* Atomically reset the current cpu bit in new_vmalloc */
 	amoxor.d	a0, a1, (a0)
···
 	csrw	CSR_SCRATCH, x0
 	sret
 
-_new_vmalloc_restore_context:
+.Lnew_vmalloc_restore_context:
 	REG_L 	a2, TASK_TI_A2(tp)
-_new_vmalloc_restore_context_a1:
+.Lnew_vmalloc_restore_context_a1:
 	REG_L 	a1, TASK_TI_A1(tp)
-_new_vmalloc_restore_context_a0:
+.Lnew_vmalloc_restore_context_a0:
 	REG_L	a0, TASK_TI_A0(tp)
 .endm
 
···
 #else
 	sret
 #endif
+SYM_INNER_LABEL(ret_from_exception_end, SYM_L_GLOBAL)
 SYM_CODE_END(ret_from_exception)
 ASM_NOKPROBE(ret_from_exception)
 

arch/riscv/kernel/module.c

···
 
 struct relocation_head {
 	struct hlist_node node;
-	struct list_head *rel_entry;
+	struct list_head rel_entry;
 	void *location;
 };
 
···
 			location = rel_head_iter->location;
 			list_for_each_entry_safe(rel_entry_iter,
 						 rel_entry_iter_tmp,
-						 rel_head_iter->rel_entry,
+						 &rel_head_iter->rel_entry,
 						 head) {
 				curr_type = rel_entry_iter->type;
 				reloc_handlers[curr_type].reloc_handler(
···
 			return -ENOMEM;
 		}
 
-		rel_head->rel_entry =
-			kmalloc(sizeof(struct list_head), GFP_KERNEL);
-
-		if (!rel_head->rel_entry) {
-			kfree(entry);
-			kfree(rel_head);
-			return -ENOMEM;
-		}
-
-		INIT_LIST_HEAD(rel_head->rel_entry);
+		INIT_LIST_HEAD(&rel_head->rel_entry);
 		rel_head->location = location;
 		INIT_HLIST_NODE(&rel_head->node);
 		if (!current_head->first) {
···
 
 			if (!bucket) {
 				kfree(entry);
-				kfree(rel_head->rel_entry);
 				kfree(rel_head);
 				return -ENOMEM;
 			}
···
 	}
 
 	/* Add relocation to head of discovered rel_head */
-	list_add_tail(&entry->head, rel_head->rel_entry);
+	list_add_tail(&entry->head, &rel_head->rel_entry);
 
 	return 0;
 }

arch/riscv/kernel/probes/kprobes.c

···
 	p->ainsn.api.restore = (unsigned long)p->addr + len;
 
 	patch_text_nosync(p->ainsn.api.insn, &p->opcode, len);
-	patch_text_nosync(p->ainsn.api.insn + len, &insn, GET_INSN_LENGTH(insn));
+	patch_text_nosync((void *)p->ainsn.api.insn + len, &insn, GET_INSN_LENGTH(insn));
 }
 
 static void __kprobes arch_prepare_simulate(struct kprobe *p)

arch/riscv/kernel/stacktrace.c

···
 #ifdef CONFIG_FRAME_POINTER
 
 extern asmlinkage void handle_exception(void);
+extern unsigned long ret_from_exception_end;
 
 static inline int fp_is_valid(unsigned long fp, unsigned long sp)
 {
···
 			fp = frame->fp;
 			pc = ftrace_graph_ret_addr(current, &graph_idx, frame->ra,
 						   &frame->ra);
-			if (pc == (unsigned long)handle_exception) {
+			if (pc >= (unsigned long)handle_exception &&
+			    pc < (unsigned long)&ret_from_exception_end) {
 				if (unlikely(!__kernel_text_address(pc) || !fn(arg, pc)))
 					break;
 

arch/riscv/kernel/traps.c

···
 
 int show_unhandled_signals = 1;
 
-static DEFINE_SPINLOCK(die_lock);
+static DEFINE_RAW_SPINLOCK(die_lock);
 
 static int copy_code(struct pt_regs *regs, u16 *val, const u16 *insns)
 {
···
 
 	oops_enter();
 
-	spin_lock_irqsave(&die_lock, flags);
+	raw_spin_lock_irqsave(&die_lock, flags);
 	console_verbose();
 	bust_spinlocks(1);
 
···
 
 	bust_spinlocks(0);
 	add_taint(TAINT_DIE, LOCKDEP_NOW_UNRELIABLE);
-	spin_unlock_irqrestore(&die_lock, flags);
+	raw_spin_unlock_irqrestore(&die_lock, flags);
 	oops_exit();
 
 	if (in_interrupt())

arch/riscv/mm/init.c

···
 #include <asm/pgtable.h>
 #include <asm/sections.h>
 #include <asm/soc.h>
+#include <asm/sparsemem.h>
 #include <asm/tlbflush.h>
 
 #include "../kernel/head.h"
···
 
 phys_addr_t phys_ram_base __ro_after_init;
 EXPORT_SYMBOL(phys_ram_base);
+
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+#define VMEMMAP_ADDR_ALIGN	(1ULL << SECTION_SIZE_BITS)
+
+unsigned long vmemmap_start_pfn __ro_after_init;
+EXPORT_SYMBOL(vmemmap_start_pfn);
+#endif
 
 unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]
 							__page_aligned_bss;
···
 	 * Make sure we align the start of the memory on a PMD boundary so that
 	 * at worst, we map the linear mapping with PMD mappings.
 	 */
-	if (!IS_ENABLED(CONFIG_XIP_KERNEL))
+	if (!IS_ENABLED(CONFIG_XIP_KERNEL)) {
 		phys_ram_base = memblock_start_of_DRAM() & PMD_MASK;
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+		vmemmap_start_pfn = round_down(phys_ram_base, VMEMMAP_ADDR_ALIGN) >> PAGE_SHIFT;
+#endif
+	}
 
 	/*
 	 * In 64-bit, any use of __va/__pa before this point is wrong as we
···
 	kernel_map.xiprom_sz = (uintptr_t)(&_exiprom) - (uintptr_t)(&_xiprom);
 
 	phys_ram_base = CONFIG_PHYS_RAM_BASE;
+#ifdef CONFIG_SPARSEMEM_VMEMMAP
+	vmemmap_start_pfn = round_down(phys_ram_base, VMEMMAP_ADDR_ALIGN) >> PAGE_SHIFT;
+#endif
 	kernel_map.phys_addr = (uintptr_t)CONFIG_PHYS_RAM_BASE;
 	kernel_map.size = (uintptr_t)(&_end) - (uintptr_t)(&_start);
 

arch/s390/boot/startup.c

···
 	vsize = round_up(SZ_2G + max_mappable, rte_size) +
 		round_up(vmemmap_size, rte_size) +
 		FIXMAP_SIZE + MODULES_LEN + KASLR_LEN;
+	if (IS_ENABLED(CONFIG_KMSAN))
+		vsize += MODULES_LEN * 2;
 	return size_add(vsize, vmalloc_size);
 }
 

arch/s390/boot/vmem.c

···
 			pages++;
 		}
 	}
-	if (mode == POPULATE_DIRECT)
+	if (mode == POPULATE_IDENTITY)
 		update_page_count(PG_DIRECT_MAP_4K, pages);
 }
 
···
 		}
 		pgtable_pte_populate(pmd, addr, next, mode);
 	}
-	if (mode == POPULATE_DIRECT)
+	if (mode == POPULATE_IDENTITY)
 		update_page_count(PG_DIRECT_MAP_1M, pages);
 }
 
···
 		}
 		pgtable_pmd_populate(pud, addr, next, mode);
 	}
-	if (mode == POPULATE_DIRECT)
+	if (mode == POPULATE_IDENTITY)
 		update_page_count(PG_DIRECT_MAP_2G, pages);
 }
 

arch/s390/kernel/ipl.c

···
 	if (len >= sizeof(_value))					\
 		return -E2BIG;						\
 	len = strscpy(_value, buf, sizeof(_value));			\
-	if (len < 0)							\
+	if ((ssize_t)len < 0)						\
 		return len;						\
 	strim(_value);							\
 	return len;							\

arch/s390/kvm/interrupt.c

···
 		kvm_s390_clear_float_irqs(dev->kvm);
 		break;
 	case KVM_DEV_FLIC_APF_ENABLE:
+		if (kvm_is_ucontrol(dev->kvm))
+			return -EINVAL;
 		dev->kvm->arch.gmap->pfault_enabled = 1;
 		break;
 	case KVM_DEV_FLIC_APF_DISABLE_WAIT:
+		if (kvm_is_ucontrol(dev->kvm))
+			return -EINVAL;
 		dev->kvm->arch.gmap->pfault_enabled = 0;
 		/*
 		 * Make sure no async faults are in transition when
···
 	switch (ue->type) {
 	/* we store the userspace addresses instead of the guest addresses */
 	case KVM_IRQ_ROUTING_S390_ADAPTER:
+		if (kvm_is_ucontrol(kvm))
+			return -EINVAL;
 		e->set = set_adapter_int;
 		uaddr =  gmap_translate(kvm->arch.gmap, ue->u.adapter.summary_addr);
 		if (uaddr == -EFAULT)

arch/s390/kvm/vsie.c

···
 static void unpin_scb(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page,
 		      gpa_t gpa)
 {
-	hpa_t hpa = (hpa_t) vsie_page->scb_o;
+	hpa_t hpa = virt_to_phys(vsie_page->scb_o);
 
 	if (hpa)
 		unpin_guest_page(vcpu->kvm, gpa, hpa);

arch/x86/events/intel/core.c

···
 	EVENT_CONSTRAINT_END
 };
 
+static struct extra_reg intel_lnc_extra_regs[] __read_mostly = {
+	INTEL_UEVENT_EXTRA_REG(0x012a, MSR_OFFCORE_RSP_0, 0xfffffffffffull, RSP_0),
+	INTEL_UEVENT_EXTRA_REG(0x012b, MSR_OFFCORE_RSP_1, 0xfffffffffffull, RSP_1),
+	INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
+	INTEL_UEVENT_EXTRA_REG(0x02c6, MSR_PEBS_FRONTEND, 0x9, FE),
+	INTEL_UEVENT_EXTRA_REG(0x03c6, MSR_PEBS_FRONTEND, 0x7fff1f, FE),
+	INTEL_UEVENT_EXTRA_REG(0x40ad, MSR_PEBS_FRONTEND, 0xf, FE),
+	INTEL_UEVENT_EXTRA_REG(0x04c2, MSR_PEBS_FRONTEND, 0x8, FE),
+	EVENT_EXTRA_END
+};
 
 EVENT_ATTR_STR(mem-loads,	mem_ld_nhm,	"event=0x0b,umask=0x10,ldlat=3");
 EVENT_ATTR_STR(mem-loads,	mem_ld_snb,	"event=0xcd,umask=0x1,ldlat=3");
···
 	intel_pmu_init_glc(pmu);
 	hybrid(pmu, event_constraints) = intel_lnc_event_constraints;
 	hybrid(pmu, pebs_constraints) = intel_lnc_pebs_event_constraints;
-	hybrid(pmu, extra_regs) = intel_rwc_extra_regs;
+	hybrid(pmu, extra_regs) = intel_lnc_extra_regs;
 }
 
 static __always_inline void intel_pmu_init_skt(struct pmu *pmu)

arch/x86/events/intel/ds.c

···
 			x86_pmu.large_pebs_flags |= PERF_SAMPLE_TIME;
 			break;
 
+		case 6:
 		case 5:
 			x86_pmu.pebs_ept = 1;
 			fallthrough;

arch/x86/events/intel/uncore.c

···
 	X86_MATCH_VFM(INTEL_ATOM_GRACEMONT,	&adl_uncore_init),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X,	&gnr_uncore_init),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT,	&gnr_uncore_init),
+	X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X,	&gnr_uncore_init),
 	{},
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_uncore_match);

arch/x86/include/asm/processor.h

···
 	return BIT_ULL(boot_cpu_data.x86_cache_bits - 1 - PAGE_SHIFT);
 }
 
+void init_cpu_devs(void);
+void get_cpu_vendor(struct cpuinfo_x86 *c);
 extern void early_cpu_init(void);
 extern void identify_secondary_cpu(struct cpuinfo_x86 *);
 extern void print_cpu_info(struct cpuinfo_x86 *);

arch/x86/include/asm/static_call.h

···
 
 extern bool __static_call_fixup(void *tramp, u8 op, void *dest);
 
+extern void __static_call_update_early(void *tramp, void *func);
+
+#define static_call_update_early(name, _func)				\
+({									\
+	typeof(&STATIC_CALL_TRAMP(name)) __F = (_func);			\
+	if (static_call_initialized) {					\
+		__static_call_update(&STATIC_CALL_KEY(name),		\
+				     STATIC_CALL_TRAMP_ADDR(name), __F);\
+	} else {							\
+		WRITE_ONCE(STATIC_CALL_KEY(name).func, _func);		\
+		__static_call_update_early(STATIC_CALL_TRAMP_ADDR(name),\
+					   __F);			\
+	}								\
+})
+
 #endif /* _ASM_STATIC_CALL_H */

arch/x86/include/asm/sync_core.h

···
 #include <asm/special_insns.h>
 
 #ifdef CONFIG_X86_32
-static inline void iret_to_self(void)
+static __always_inline void iret_to_self(void)
 {
 	asm volatile (
 		"pushfl\n\t"
···
 		: ASM_CALL_CONSTRAINT : : "memory");
 }
 #else
-static inline void iret_to_self(void)
+static __always_inline void iret_to_self(void)
 {
 	unsigned int tmp;
 
···
  * Like all of Linux's memory ordering operations, this is a
  * compiler barrier as well.
  */
-static inline void sync_core(void)
+static __always_inline void sync_core(void)
 {
 	/*
 	 * The SERIALIZE instruction is the most straightforward way to

arch/x86/include/asm/xen/hypercall.h

···
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/pgtable.h>
+#include <linux/instrumentation.h>
 
 #include <trace/events/xen.h>
 
+#include <asm/alternative.h>
 #include <asm/page.h>
 #include <asm/smap.h>
 #include <asm/nospec-branch.h>
···
  * there aren't more than 5 arguments...)
  */
 
-extern struct { char _entry[32]; } hypercall_page[];
+void xen_hypercall_func(void);
+DECLARE_STATIC_CALL(xen_hypercall, xen_hypercall_func);
 
-#define __HYPERCALL		"call hypercall_page+%c[offset]"
-#define __HYPERCALL_ENTRY(x)						\
-	[offset] "i" (__HYPERVISOR_##x * sizeof(hypercall_page[0]))
+#ifdef MODULE
+#define __ADDRESSABLE_xen_hypercall
+#else
+#define __ADDRESSABLE_xen_hypercall __ADDRESSABLE_ASM_STR(__SCK__xen_hypercall)
+#endif
+
+#define __HYPERCALL					\
+	__ADDRESSABLE_xen_hypercall			\
+	"call __SCT__xen_hypercall"
+
+#define __HYPERCALL_ENTRY(x)	"a" (x)
 
 #ifdef CONFIG_X86_32
 #define __HYPERCALL_RETREG	"eax"
···
 	__HYPERCALL_0ARG();						\
 	asm volatile (__HYPERCALL					\
 		      : __HYPERCALL_0PARAM				\
-		      : __HYPERCALL_ENTRY(name)				\
+		      : __HYPERCALL_ENTRY(__HYPERVISOR_ ## name)	\
 		      : __HYPERCALL_CLOBBER0);				\
 	(type)__res;							\
 })
···
 	__HYPERCALL_1ARG(a1);						\
 	asm volatile (__HYPERCALL					\
 		      : __HYPERCALL_1PARAM				\
-		      : __HYPERCALL_ENTRY(name)				\
+		      : __HYPERCALL_ENTRY(__HYPERVISOR_ ## name)	\
 		      : __HYPERCALL_CLOBBER1);				\
 	(type)__res;							\
 })
···
 	__HYPERCALL_2ARG(a1, a2);					\
 	asm volatile (__HYPERCALL					\
 		      : __HYPERCALL_2PARAM				\
-		      : __HYPERCALL_ENTRY(name)				\
+		      : __HYPERCALL_ENTRY(__HYPERVISOR_ ## name)	\
 		      : __HYPERCALL_CLOBBER2);				\
 	(type)__res;							\
 })
···
 	__HYPERCALL_3ARG(a1, a2, a3);					\
 	asm volatile (__HYPERCALL					\
 		      : __HYPERCALL_3PARAM				\
-		      : __HYPERCALL_ENTRY(name)				\
+		      : __HYPERCALL_ENTRY(__HYPERVISOR_ ## name)	\
 		      : __HYPERCALL_CLOBBER3);				\
 	(type)__res;							\
 })
···
 	__HYPERCALL_4ARG(a1, a2, a3, a4);				\
 	asm volatile (__HYPERCALL					\
 		      : __HYPERCALL_4PARAM				\
-		      : __HYPERCALL_ENTRY(name)				\
+		      : __HYPERCALL_ENTRY(__HYPERVISOR_ ## name)	\
 		      : __HYPERCALL_CLOBBER4);				\
 	(type)__res;							\
 })
···
 	__HYPERCALL_DECLS;
 	__HYPERCALL_5ARG(a1, a2, a3, a4, a5);
 
-	if (call >= PAGE_SIZE / sizeof(hypercall_page[0]))
-		return -EINVAL;
-
-	asm volatile(CALL_NOSPEC
+	asm volatile(__HYPERCALL
 		     : __HYPERCALL_5PARAM
-		     : [thunk_target] "a" (&hypercall_page[call])
+		     : __HYPERCALL_ENTRY(call)
 		     : __HYPERCALL_CLOBBER5);
 
 	return (long)__res;

arch/x86/kernel/callthunks.c

···
 	    dest < (void*)relocate_kernel + KEXEC_CONTROL_CODE_MAX_SIZE)
 		return true;
 #endif
-#ifdef CONFIG_XEN
-	if (dest >= (void *)hypercall_page &&
-	    dest < (void*)hypercall_page + PAGE_SIZE)
-		return true;
-#endif
 	return false;
 }
 

arch/x86/kernel/cet.c

···
 
 static __ro_after_init bool ibt_fatal = true;
 
+/*
+ * By definition, all missing-ENDBRANCH #CPs are a result of WFE && !ENDBR.
+ *
+ * For the kernel IBT no ENDBR selftest where #CPs are deliberately triggered,
+ * the WFE state of the interrupted context needs to be cleared to let execution
+ * continue.  Otherwise when the CPU resumes from the instruction that just
+ * caused the previous #CP, another missing-ENDBRANCH #CP is raised and the CPU
+ * enters a dead loop.
+ *
+ * This is not a problem with IDT because it doesn't preserve WFE and IRET doesn't
+ * set WFE.  But FRED provides space on the entry stack (in an expanded CS area)
+ * to save and restore the WFE state, thus the WFE state is no longer clobbered,
+ * so software must clear it.
+ */
+static void ibt_clear_fred_wfe(struct pt_regs *regs)
+{
+	/*
+	 * No need to do any FRED checks.
+	 *
+	 * For IDT event delivery, the high-order 48 bits of CS are pushed
+	 * as 0s into the stack, and later IRET ignores these bits.
+	 *
+	 * For FRED, a test to check if fred_cs.wfe is set would be dropped
+	 * by compilers.
+	 */
+	regs->fred_cs.wfe = 0;
+}
+
 static void do_kernel_cp_fault(struct pt_regs *regs, unsigned long error_code)
 {
 	if ((error_code & CP_EC) != CP_ENDBR) {
···
 
 	if (unlikely(regs->ip == (unsigned long)&ibt_selftest_noendbr)) {
 		regs->ax = 0;
+		ibt_clear_fred_wfe(regs);
 		return;
 	}
 
···
 	if (!ibt_fatal) {
 		printk(KERN_DEFAULT CUT_HERE);
 		__warn(__FILE__, __LINE__, (void *)regs->ip, TAINT_WARN, regs, NULL);
+		ibt_clear_fred_wfe(regs);
 		return;
 	}
 	BUG();

arch/x86/kernel/cpu/common.c

···
 		tlb_lld_4m[ENTRIES], tlb_lld_1g[ENTRIES]);
 }
 
-static void get_cpu_vendor(struct cpuinfo_x86 *c)
+void get_cpu_vendor(struct cpuinfo_x86 *c)
 {
 	char *v = c->x86_vendor_id;
 	int i;
···
 	detect_nopl();
 }
 
-void __init early_cpu_init(void)
+void __init init_cpu_devs(void)
 {
 	const struct cpu_dev *const *cdev;
 	int count = 0;
-
-#ifdef CONFIG_PROCESSOR_SELECT
-	pr_info("KERNEL supported cpus:\n");
-#endif
 
 	for (cdev = __x86_cpu_dev_start; cdev < __x86_cpu_dev_end; cdev++) {
 		const struct cpu_dev *cpudev = *cdev;
···
 			break;
 		cpu_devs[count] = cpudev;
 		count++;
+	}
+}
+
+void __init early_cpu_init(void)
+{
+#ifdef CONFIG_PROCESSOR_SELECT
+	unsigned int i, j;
+
+	pr_info("KERNEL supported cpus:\n");
+#endif
+
+	init_cpu_devs();
 
 #ifdef CONFIG_PROCESSOR_SELECT
-		{
-			unsigned int j;
-
-			for (j = 0; j < 2; j++) {
-				if (!cpudev->c_ident[j])
-					continue;
-				pr_info("  %s %s\n", cpudev->c_vendor,
-					cpudev->c_ident[j]);
-			}
+	for (i = 0; i < X86_VENDOR_NUM && cpu_devs[i]; i++) {
+		for (j = 0; j < 2; j++) {
+			if (!cpu_devs[i]->c_ident[j])
+				continue;
+			pr_info("  %s %s\n", cpu_devs[i]->c_vendor,
+				cpu_devs[i]->c_ident[j]);
 		}
-#endif
 	}
+#endif
+
 	early_identify_cpu(&boot_cpu_data);
 }
 

arch/x86/kernel/cpu/mshyperv.c

···
 	hyperv_cleanup();
 }
 #endif /* CONFIG_CRASH_DUMP */
+
+static u64 hv_ref_counter_at_suspend;
+static void (*old_save_sched_clock_state)(void);
+static void (*old_restore_sched_clock_state)(void);
+
+/*
+ * Hyper-V clock counter resets during hibernation. Save and restore clock
+ * offset during suspend/resume, while also considering the time passed
+ * before suspend. This is to make sure that sched_clock using hv tsc page
+ * based clocksource, proceeds from where it left off during suspend and
+ * it shows correct time for the timestamps of kernel messages after resume.
+ */
+static void save_hv_clock_tsc_state(void)
+{
+	hv_ref_counter_at_suspend = hv_read_reference_counter();
+}
+
+static void restore_hv_clock_tsc_state(void)
+{
+	/*
+	 * Adjust the offsets used by hv tsc clocksource to
+	 * account for the time spent before hibernation.
+	 * adjusted value = reference counter (time) at suspend
+	 *                - reference counter (time) now.
+	 */
+	hv_adj_sched_clock_offset(hv_ref_counter_at_suspend - hv_read_reference_counter());
+}
+
+/*
+ * Functions to override save_sched_clock_state and restore_sched_clock_state
+ * functions of x86_platform. The Hyper-V clock counter is reset during
+ * suspend-resume and the offset used to measure time needs to be
+ * corrected, post resume.
+ */
+static void hv_save_sched_clock_state(void)
+{
+	old_save_sched_clock_state();
+	save_hv_clock_tsc_state();
+}
+
+static void hv_restore_sched_clock_state(void)
+{
+	restore_hv_clock_tsc_state();
+	old_restore_sched_clock_state();
+}
+
+static void __init x86_setup_ops_for_tsc_pg_clock(void)
+{
+	if (!(ms_hyperv.features & HV_MSR_REFERENCE_TSC_AVAILABLE))
+		return;
+
+	old_save_sched_clock_state = x86_platform.save_sched_clock_state;
+	x86_platform.save_sched_clock_state = hv_save_sched_clock_state;
+
+	old_restore_sched_clock_state = x86_platform.restore_sched_clock_state;
+	x86_platform.restore_sched_clock_state = hv_restore_sched_clock_state;
+}
 #endif /* CONFIG_HYPERV */
 
 static uint32_t  __init ms_hyperv_platform(void)
···
 
 	/* Register Hyper-V specific clocksource */
 	hv_init_clocksource();
+	x86_setup_ops_for_tsc_pg_clock();
 	hv_vtl_init_platform();
 #endif
 	/*

arch/x86/kernel/fpu/regset.c

···
 	struct fpu *fpu = &target->thread.fpu;
 	struct cet_user_state *cetregs;
 
-	if (!cpu_feature_enabled(X86_FEATURE_USER_SHSTK))
+	if (!cpu_feature_enabled(X86_FEATURE_USER_SHSTK) ||
+	    !ssp_active(target, regset))
 		return -ENODEV;
 
 	sync_fpstate(fpu);

arch/x86/kernel/static_call.c

···
 }
 EXPORT_SYMBOL_GPL(arch_static_call_transform);
 
+noinstr void __static_call_update_early(void *tramp, void *func)
+{
+	BUG_ON(system_state != SYSTEM_BOOTING);
+	BUG_ON(static_call_initialized);
+	__text_gen_insn(tramp, JMP32_INSN_OPCODE, tramp, func, JMP32_INSN_SIZE);
+	sync_core();
+}
+
 #ifdef CONFIG_MITIGATION_RETHUNK
 /*
  * This is called by apply_returns() to fix up static call trampolines,

arch/x86/kernel/vmlinux.lds.S

···
  * linker will never mark as relocatable. (Using just ABSOLUTE() is not
  * sufficient for that).
  */
-#ifdef CONFIG_XEN
 #ifdef CONFIG_XEN_PV
 xen_elfnote_entry_value =
 	ABSOLUTE(xen_elfnote_entry) + ABSOLUTE(startup_xen);
-#endif
-xen_elfnote_hypercall_page_value =
-	ABSOLUTE(xen_elfnote_hypercall_page) + ABSOLUTE(hypercall_page);
 #endif
 #ifdef CONFIG_PVH
 xen_elfnote_phys32_entry_value =

arch/x86/kvm/vmx/posted_intr.h

···
 #ifndef __KVM_X86_VMX_POSTED_INTR_H
 #define __KVM_X86_VMX_POSTED_INTR_H
 
-#include <linux/find.h>
+#include <linux/bitmap.h>
 #include <asm/posted_intr.h>
 
 void vmx_vcpu_pi_load(struct kvm_vcpu *vcpu, int cpu);

arch/x86/kvm/x86.c

···
 	kvm_hv_init_vm(kvm);
 	kvm_xen_init_vm(kvm);
 
+	if (ignore_msrs && !report_ignored_msrs) {
+		pr_warn_once("Running KVM with ignore_msrs=1 and report_ignored_msrs=0 is not a\n"
+			     "a supported configuration.  Lying to the guest about the existence of MSRs\n"
+			     "may cause the guest operating system to hang or produce errors.  If a guest\n"
+			     "does not run without ignore_msrs=1, please report it to [e-mail].\n");
+	}
+
 	return 0;
 
 out_uninit_mmu:

arch/x86/xen/enlighten.c

···
 
 #include <linux/console.h>
 #include <linux/cpu.h>
+#include <linux/instrumentation.h>
 #include <linux/kexec.h>
 #include <linux/memblock.h>
 #include <linux/slab.h>
···
 
 #include "xen-ops.h"
 
-EXPORT_SYMBOL_GPL(hypercall_page);
+DEFINE_STATIC_CALL(xen_hypercall, xen_hypercall_hvm);
+EXPORT_STATIC_CALL_TRAMP(xen_hypercall);
 
 /*
  * Pointer to the xen_vcpu_info structure or
···
  * page as soon as fixmap is up and running.
  */
 struct shared_info *HYPERVISOR_shared_info = &xen_dummy_shared_info;
+
+static __ref void xen_get_vendor(void)
+{
+	init_cpu_devs();
+	cpu_detect(&boot_cpu_data);
+	get_cpu_vendor(&boot_cpu_data);
+}
+
+void xen_hypercall_setfunc(void)
+{
+	if (static_call_query(xen_hypercall) != xen_hypercall_hvm)
+		return;
+
+	if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD ||
+	     boot_cpu_data.x86_vendor == X86_VENDOR_HYGON))
+		static_call_update(xen_hypercall, xen_hypercall_amd);
+	else
+		static_call_update(xen_hypercall, xen_hypercall_intel);
+}
+
+/*
+ * Evaluate processor vendor in order to select the correct hypercall
+ * function for HVM/PVH guests.
+ * Might be called very early in boot before vendor has been set by
+ * early_cpu_init().
+ */
+noinstr void *__xen_hypercall_setfunc(void)
+{
+	void (*func)(void);
+
+	/*
+	 * Xen is supported only on CPUs with CPUID, so testing for
+	 * X86_FEATURE_CPUID is a test for early_cpu_init() having been
+	 * run.
+	 *
+	 * Note that __xen_hypercall_setfunc() is noinstr only due to a nasty
+	 * dependency chain: it is being called via the xen_hypercall static
+	 * call when running as a PVH or HVM guest. Hypercalls need to be
+	 * noinstr due to PV guests using hypercalls in noinstr code. So we
+	 * can safely tag the function body as "instrumentation ok", since
+	 * the PV guest requirement is not of interest here (xen_get_vendor()
+	 * calls noinstr functions, and static_call_update_early() might do
+	 * so, too).
+	 */
+	instrumentation_begin();
+
+	if (!boot_cpu_has(X86_FEATURE_CPUID))
+		xen_get_vendor();
+
+	if ((boot_cpu_data.x86_vendor == X86_VENDOR_AMD ||
+	     boot_cpu_data.x86_vendor == X86_VENDOR_HYGON))
+		func = xen_hypercall_amd;
+	else
+		func = xen_hypercall_intel;
+
+	static_call_update_early(xen_hypercall, func);
+
+	instrumentation_end();
+
+	return func;
+}
 
 static int xen_cpu_up_online(unsigned int cpu)
 {

arch/x86/xen/enlighten_hvm.c

···
 	/* PVH set up hypercall page in xen_prepare_pvh(). */
 	if (xen_pvh_domain())
 		pv_info.name = "Xen PVH";
-	else {
-		u64 pfn;
-		uint32_t msr;
-
+	else
 		pv_info.name = "Xen HVM";
-		msr = cpuid_ebx(base + 2);
-		pfn = __pa(hypercall_page);
-		wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
-	}
 
 	xen_setup_features();
 
···
 
 	if (xen_pv_domain())
 		return 0;
+
+	/* Set correct hypercall function. */
+	if (xen_domain)
+		xen_hypercall_setfunc();
 
 	if (xen_pvh_domain() && nopv) {
 		/* Guest booting via the Xen-PVH boot entry goes here */

arch/x86/xen/enlighten_pv.c

···
 
 	xen_domain_type = XEN_PV_DOMAIN;
 	xen_start_flags = xen_start_info->flags;
+	/* Interrupts are guaranteed to be off initially. */
+	early_boot_irqs_disabled = true;
+	static_call_update_early(xen_hypercall, xen_hypercall_pv);
 
 	xen_setup_features();
 
···
 	WARN_ON(xen_cpuhp_setup(xen_cpu_up_prepare_pv, xen_cpu_dead_pv));
 
 	local_irq_disable();
-	early_boot_irqs_disabled = true;
 
 	xen_raw_console_write("mapping kernel into physical memory\n");
 	xen_setup_kernel_pagetable((pgd_t *)xen_start_info->pt_base,

arch/x86/xen/enlighten_pvh.c

···
 
 void __init xen_pvh_init(struct boot_params *boot_params)
 {
-	u32 msr;
-	u64 pfn;
-
 	xen_pvh = 1;
 	xen_domain_type = XEN_HVM_DOMAIN;
 	xen_start_flags = pvh_start_info.flags;
-
-	msr = cpuid_ebx(xen_cpuid_base() + 2);
-	pfn = __pa(hypercall_page);
-	wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));
 
 	x86_init.oem.arch_setup = pvh_arch_setup;
 	x86_init.oem.banner = xen_banner;

arch/x86/xen/xen-asm.S

···
 
 #include <linux/init.h>
 #include <linux/linkage.h>
+#include <linux/objtool.h>
 #include <../entry/calling.h>
 
 .pushsection .noinstr.text, "ax"
+/*
+ * PV hypercall interface to the hypervisor.
+ *
+ * Called via inline asm(), so better preserve %rcx and %r11.
+ *
+ * Input:
+ *	%eax: hypercall number
+ *	%rdi, %rsi, %rdx, %r10, %r8: args 1..5 for the hypercall
+ * Output: %rax
+ */
+SYM_FUNC_START(xen_hypercall_pv)
+	ANNOTATE_NOENDBR
+	push %rcx
+	push %r11
+	UNWIND_HINT_SAVE
+	syscall
+	UNWIND_HINT_RESTORE
+	pop %r11
+	pop %rcx
+	RET
+SYM_FUNC_END(xen_hypercall_pv)
+
 /*
  * Disabling events is simply a matter of making the event mask
  * non-zero.
···
 SYM_CODE_END(xen_early_idt_handler_array)
 	__FINIT
 
-hypercall_iret = hypercall_page + __HYPERVISOR_iret * 32
 /*
  * Xen64 iret frame:
  *
···
  *	cs
  *	rip		<-- standard iret frame
  *
- *	flags
+ *	flags		<-- xen_iret must push from here on
  *
- *	rcx		}
- *	r11		}<-- pushed by hypercall page
- * rsp->rax		}
+ *	rcx
+ *	r11
+ * rsp->rax
  */
+.macro xen_hypercall_iret
+	pushq $0	/* Flags */
+	push %rcx
+	push %r11
+	push %rax
+	mov  $__HYPERVISOR_iret, %eax
+	syscall		/* Do the IRET. */
+#ifdef CONFIG_MITIGATION_SLS
+	int3
+#endif
+.endm
+
 SYM_CODE_START(xen_iret)
 	UNWIND_HINT_UNDEFINED
 	ANNOTATE_NOENDBR
-	pushq $0
-	jmp hypercall_iret
+	xen_hypercall_iret
 SYM_CODE_END(xen_iret)
 
 /*
···
 	ENDBR
 	lea 16(%rsp), %rsp	/* strip %rcx, %r11 */
 	mov $-ENOSYS, %rax
-	pushq $0
-	jmp hypercall_iret
+	xen_hypercall_iret
 SYM_CODE_END(xen_entry_SYSENTER_compat)
 SYM_CODE_END(xen_entry_SYSCALL_compat)
 

arch/x86/xen/xen-head.S

···
 
 #include <linux/elfnote.h>
 #include <linux/init.h>
+#include <linux/instrumentation.h>
 
 #include <asm/boot.h>
 #include <asm/asm.h>
+#include <asm/frame.h>
 #include <asm/msr.h>
 #include <asm/page_types.h>
 #include <asm/percpu.h>
···
 #include <xen/interface/xen.h>
 #include <xen/interface/xen-mca.h>
 #include <asm/xen/interface.h>
-
-.pushsection .noinstr.text, "ax"
-	.balign PAGE_SIZE
-SYM_CODE_START(hypercall_page)
-	.rept (PAGE_SIZE / 32)
-		UNWIND_HINT_FUNC
-		ANNOTATE_NOENDBR
-		ANNOTATE_UNRET_SAFE
-		ret
-		/*
-		 * Xen will write the hypercall page, and sort out ENDBR.
-		 */
-		.skip 31, 0xcc
-	.endr
-
-#define HYPERCALL(n) \
-	.equ xen_hypercall_##n, hypercall_page + __HYPERVISOR_##n * 32; \
-	.type xen_hypercall_##n, @function; .size xen_hypercall_##n, 32
-#include <asm/xen-hypercalls.h>
-#undef HYPERCALL
-SYM_CODE_END(hypercall_page)
-.popsection
 
 #ifdef CONFIG_XEN_PV
 	__INIT
···
 #endif
 #endif
 
+	.pushsection .noinstr.text, "ax"
+/*
+ * Xen hypercall interface to the hypervisor.
+ *
+ * Input:
+ *     %eax: hypercall number
+ *   32-bit:
+ *     %ebx, %ecx, %edx, %esi, %edi: args 1..5 for the hypercall
+ *   64-bit:
+ *     %rdi, %rsi, %rdx, %r10, %r8: args 1..5 for the hypercall
+ * Output: %[er]ax
+ */
+SYM_FUNC_START(xen_hypercall_hvm)
+	ENDBR
+	FRAME_BEGIN
+	/* Save all relevant registers (caller save and arguments). */
+#ifdef CONFIG_X86_32
+	push %eax
+	push %ebx
+	push %ecx
+	push %edx
+	push %esi
+	push %edi
+#else
+	push %rax
+	push %rcx
+	push %rdx
+	push %rdi
+	push %rsi
+	push %r11
+	push %r10
+	push %r9
+	push %r8
+#ifdef CONFIG_FRAME_POINTER
+	pushq $0	/* Dummy push for stack alignment. */
+#endif
+#endif
+	/* Set the vendor specific function. */
+	call __xen_hypercall_setfunc
+	/* Set ZF = 1 if AMD, Restore saved registers. */
+#ifdef CONFIG_X86_32
+	lea xen_hypercall_amd, %ebx
+	cmp %eax, %ebx
+	pop %edi
+	pop %esi
+	pop %edx
+	pop %ecx
+	pop %ebx
+	pop %eax
+#else
+	lea xen_hypercall_amd(%rip), %rbx
+	cmp %rax, %rbx
+#ifdef CONFIG_FRAME_POINTER
+	pop %rax	/* Dummy pop. */
+#endif
+	pop %r8
+	pop %r9
+	pop %r10
+	pop %r11
+	pop %rsi
+	pop %rdi
+	pop %rdx
+	pop %rcx
+	pop %rax
+#endif
+	/* Use correct hypercall function. */
+	jz xen_hypercall_amd
+	jmp xen_hypercall_intel
+SYM_FUNC_END(xen_hypercall_hvm)
+
+SYM_FUNC_START(xen_hypercall_amd)
+	vmmcall
+	RET
+SYM_FUNC_END(xen_hypercall_amd)
+
+SYM_FUNC_START(xen_hypercall_intel)
+	vmcall
+	RET
+SYM_FUNC_END(xen_hypercall_intel)
+	.popsection
+
 	ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS,       .asciz "linux")
 	ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION,  .asciz "2.6")
 	ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION,    .asciz "xen-3.0")
···
 #else
 # define FEATURES_DOM0 0
 #endif
-	ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .globl xen_elfnote_hypercall_page;
-		xen_elfnote_hypercall_page: _ASM_PTR xen_elfnote_hypercall_page_value - .)
 	ELFNOTE(Xen, XEN_ELFNOTE_SUPPORTED_FEATURES,
 		.long FEATURES_PV | FEATURES_PVH | FEATURES_DOM0)
 	ELFNOTE(Xen, XEN_ELFNOTE_LOADER,         .asciz "generic")

arch/x86/xen/xen-ops.h

···
 static inline void xen_smp_count_cpus(void) { }
 #endif /* CONFIG_SMP */
 
+#ifdef CONFIG_XEN_PV
+void xen_hypercall_pv(void);
+#endif
+void xen_hypercall_hvm(void);
+void xen_hypercall_amd(void);
+void xen_hypercall_intel(void);
+void xen_hypercall_setfunc(void);
+void *__xen_hypercall_setfunc(void);
+
 #endif /* XEN_OPS_H */

block/bdev.c

···
 	struct inode *inode = file->f_mapping->host;
 	struct block_device *bdev = I_BDEV(inode);
 
-	/* Size must be a power of two, and between 512 and PAGE_SIZE */
-	if (size > PAGE_SIZE || size < 512 || !is_power_of_2(size))
+	if (blk_validate_block_size(size))
 		return -EINVAL;
 
 	/* Size cannot be smaller than the size supported by the device */

block/bfq-iosched.c

···
 		if (new_bfqq == waker_bfqq) {
 			/*
 			 * If waker_bfqq is in the merge chain, and current
-			 * is the only procress.
+			 * is the only process, waker_bfqq can be freed.
 			 */
 			if (bfqq_process_refs(waker_bfqq) == 1)
 				return NULL;
-			break;
+
+			return waker_bfqq;
 		}
 
 		new_bfqq = new_bfqq->new_bfqq;
 	}
+
+	/*
+	 * If waker_bfqq is not in the merge chain, and it's procress reference
+	 * is 0, waker_bfqq can be freed.
+	 */
+	if (bfqq_process_refs(waker_bfqq) == 0)
+		return NULL;
 
 	return waker_bfqq;
 }

block/blk-mq-sysfs.c

···
 	struct blk_mq_hw_ctx *hctx;
 	unsigned long i;
 
-	lockdep_assert_held(&q->sysfs_dir_lock);
-
+	mutex_lock(&q->sysfs_dir_lock);
 	if (!q->mq_sysfs_init_done)
-		return;
+		goto unlock;
 
 	queue_for_each_hw_ctx(q, hctx, i)
 		blk_mq_unregister_hctx(hctx);
+
+unlock:
+	mutex_unlock(&q->sysfs_dir_lock);
 }
 
 int blk_mq_sysfs_register_hctxs(struct request_queue *q)
···
 	unsigned long i;
 	int ret = 0;
 
-	lockdep_assert_held(&q->sysfs_dir_lock);
-
+	mutex_lock(&q->sysfs_dir_lock);
 	if (!q->mq_sysfs_init_done)
-		return ret;
+		goto unlock;
 
 	queue_for_each_hw_ctx(q, hctx, i) {
 		ret = blk_mq_register_hctx(hctx);
 		if (ret)
 			break;
 	}
+
+unlock:
+	mutex_unlock(&q->sysfs_dir_lock);
 
 	return ret;
 }

block/blk-mq.c

···
 }
 EXPORT_SYMBOL(blk_mq_alloc_disk_for_queue);
 
+/*
+ * Only hctx removed from cpuhp list can be reused
+ */
+static bool blk_mq_hctx_is_reusable(struct blk_mq_hw_ctx *hctx)
+{
+	return hlist_unhashed(&hctx->cpuhp_online) &&
+		hlist_unhashed(&hctx->cpuhp_dead);
+}
+
 static struct blk_mq_hw_ctx *blk_mq_alloc_and_init_hctx(
 		struct blk_mq_tag_set *set, struct request_queue *q,
 		int hctx_idx, int node)
···
 	/* reuse dead hctx first */
 	spin_lock(&q->unused_hctx_lock);
 	list_for_each_entry(tmp, &q->unused_hctx_list, hctx_list) {
-		if (tmp->numa_node == node) {
+		if (tmp->numa_node == node && blk_mq_hctx_is_reusable(tmp)) {
 			hctx = tmp;
 			break;
 		}
···
 	unsigned long i, j;
 
 	/* protect against switching io scheduler  */
-	lockdep_assert_held(&q->sysfs_lock);
-
+	mutex_lock(&q->sysfs_lock);
 	for (i = 0; i < set->nr_hw_queues; i++) {
 		int old_node;
 		int node = blk_mq_get_hctx_node(set, i);
···
 
 	xa_for_each_start(&q->hctx_table, j, hctx, j)
 		blk_mq_exit_hctx(q, set, hctx, j);
+	mutex_unlock(&q->sysfs_lock);
 
 	/* unregister cpuhp callbacks for exited hctxs */
 	blk_mq_remove_hw_queues_cpuhp(q);
···
 
 	xa_init(&q->hctx_table);
 
-	mutex_lock(&q->sysfs_lock);
-
 	blk_mq_realloc_hw_ctxs(set, q);
 	if (!q->nr_hw_queues)
 		goto err_hctxs;
-
-	mutex_unlock(&q->sysfs_lock);
 
 	INIT_WORK(&q->timeout_work, blk_mq_timeout_work);
 	blk_queue_rq_timeout(q, set->timeout ? set->timeout : 30 * HZ);
···
 	return 0;
 
 err_hctxs:
-	mutex_unlock(&q->sysfs_lock);
 	blk_mq_release(q);
 err_exit:
 	q->mq_ops = NULL;
···
 		return false;
 
 	/* q->elevator needs protection from ->sysfs_lock */
-	lockdep_assert_held(&q->sysfs_lock);
+	mutex_lock(&q->sysfs_lock);
 
 	/* the check has to be done with holding sysfs_lock */
 	if (!q->elevator) {
 		kfree(qe);
-		goto out;
+		goto unlock;
 	}
 
 	INIT_LIST_HEAD(&qe->node);
···
 	__elevator_get(qe->type);
 	list_add(&qe->node, head);
 	elevator_disable(q);
-out:
+unlock:
+	mutex_unlock(&q->sysfs_lock);
+
 	return true;
 }
 
···
 	list_del(&qe->node);
 	kfree(qe);
 
+	mutex_lock(&q->sysfs_lock);
 	elevator_switch(q, t);
 	/* drop the reference acquired in blk_mq_elv_switch_none */
 	elevator_put(t);
+	mutex_unlock(&q->sysfs_lock);
 }
 
 static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
···
 	if (set->nr_maps == 1 && nr_hw_queues == set->nr_hw_queues)
 		return;
 
-	list_for_each_entry(q, &set->tag_list, tag_set_list) {
-		mutex_lock(&q->sysfs_dir_lock);
-		mutex_lock(&q->sysfs_lock);
+	list_for_each_entry(q, &set->tag_list, tag_set_list)
 		blk_mq_freeze_queue(q);
-	}
 	/*
 	 * Switch IO scheduler to 'none', cleaning up the data associated
 	 * with the previous scheduler. We will switch back once we are done
···
 	list_for_each_entry(q, &set->tag_list, tag_set_list)
 		blk_mq_elv_switch_back(&head, q);
 
-	list_for_each_entry(q, &set->tag_list, tag_set_list) {
+	list_for_each_entry(q, &set->tag_list, tag_set_list)
 		blk_mq_unfreeze_queue(q);
-		mutex_unlock(&q->sysfs_lock);
-		mutex_unlock(&q->sysfs_dir_lock);
-	}
 
 	/* Free the excess tags when nr_hw_queues shrink. */
 	for (i = set->nr_hw_queues; i < prev_nr_hw_queues; i++)

block/blk-sysfs.c

···
 	if (entry->load_module)
 		entry->load_module(disk, page, length);
 
-	mutex_lock(&q->sysfs_lock);
 	blk_mq_freeze_queue(q);
+	mutex_lock(&q->sysfs_lock);
 	res = entry->store(disk, page, length);
-	blk_mq_unfreeze_queue(q);
 	mutex_unlock(&q->sysfs_lock);
+	blk_mq_unfreeze_queue(q);
 	return res;
 }
 

drivers/accel/ivpu/ivpu_gem.c

···
 	mutex_lock(&bo->lock);
 
 	drm_printf(p, "%-9p %-3u 0x%-12llx %-10lu 0x%-8x %-4u",
-		   bo, bo->ctx->id, bo->vpu_addr, bo->base.base.size,
+		   bo, bo->ctx ? bo->ctx->id : 0, bo->vpu_addr, bo->base.base.size,
 		   bo->flags, kref_read(&bo->base.base.refcount));
 
 	if (bo->base.pages)

drivers/accel/ivpu/ivpu_mmu_context.c

···
 	if (!ivpu_mmu_ensure_pgd(vdev, &vdev->rctx.pgtable)) {
 		ivpu_err(vdev, "Failed to allocate root page table for reserved context\n");
 		ret = -ENOMEM;
-		goto unlock;
+		goto err_ctx_fini;
 	}
 
 	ret = ivpu_mmu_cd_set(vdev, vdev->rctx.id, &vdev->rctx.pgtable);
 	if (ret) {
 		ivpu_err(vdev, "Failed to set context descriptor for reserved context\n");
-		goto unlock;
+		goto err_ctx_fini;
 	}
 
-unlock:
 	mutex_unlock(&vdev->rctx.lock);
+	return ret;
+
+err_ctx_fini:
+	mutex_unlock(&vdev->rctx.lock);
+	ivpu_mmu_context_fini(vdev, &vdev->rctx);
 	return ret;
 }
 

drivers/accel/ivpu/ivpu_pm.c

···
 
 	pm_runtime_use_autosuspend(dev);
 	pm_runtime_set_autosuspend_delay(dev, delay);
+	pm_runtime_set_active(dev);
 
 	ivpu_dbg(vdev, PM, "Autosuspend delay = %d\n", delay);
 }
···
 {
 	struct device *dev = vdev->drm.dev;
 
-	pm_runtime_set_active(dev);
 	pm_runtime_allow(dev);
 	pm_runtime_mark_last_busy(dev);
 	pm_runtime_put_autosuspend(dev);

drivers/acpi/Kconfig

···
 config ACPI_EC
 	bool "Embedded Controller"
 	depends on HAS_IOPORT
-	default X86
+	default X86 || LOONGARCH
 	help
 	  This driver handles communication with the microcontroller
-	  on many x86 laptops and other machines.
+	  on many x86/LoongArch laptops and other machines.
 
 config ACPI_EC_DEBUGFS
 	tristate "EC read/write access through /sys/kernel/debug/ec"

drivers/acpi/resource.c

···
 		},
 	},
 	{
+		/* Asus Vivobook X1504VAP */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_BOARD_NAME, "X1504VAP"),
+		},
+	},
+	{
 		/* Asus Vivobook X1704VAP */
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
···
 			DMI_MATCH(DMI_BOARD_NAME, "GMxHGxx"),
 		},
 	},
+	{
+		/*
+		 * TongFang GM5HG0A in case of the SKIKK Vanaheim relabel the
+		 * board-name is changed, so check OEM strings instead. Note
+		 * OEM string matches are always exact matches.
+		 * https://bugzilla.kernel.org/show_bug.cgi?id=219614
+		 */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_OEM_STRING, "GM5HG0A"),
+		},
+	},
 	{ }
 };
 
···
 	for (i = 0; i < ARRAY_SIZE(override_table); i++) {
 		const struct irq_override_cmp *entry = &override_table[i];
 
-		if (dmi_check_system(entry->system) &&
-		    entry->irq == gsi &&
+		if (entry->irq == gsi &&
 		    entry->triggering == triggering &&
 		    entry->polarity == polarity &&
-		    entry->shareable == shareable)
+		    entry->shareable == shareable &&
+		    dmi_check_system(entry->system))
 			return entry->override;
 	}
 

drivers/auxdisplay/Kconfig

···
 
 config HT16K33
 	tristate "Holtek Ht16K33 LED controller with keyscan"
-	depends on FB && I2C && INPUT
+	depends on FB && I2C && INPUT && BACKLIGHT_CLASS_DEVICE
 	select FB_SYSMEM_HELPERS
 	select INPUT_MATRIXKMAP
 	select FB_BACKLIGHT

drivers/base/topology.c

···
 			   loff_t off, size_t count)				\
 {										\
 	struct device *dev = kobj_to_dev(kobj);                                 \
+	cpumask_var_t mask;							\
+	ssize_t n;								\
 										\
-	return cpumap_print_bitmask_to_buf(buf, topology_##mask(dev->id),	\
-					   off, count);                         \
+	if (!alloc_cpumask_var(&mask, GFP_KERNEL))				\
+		return -ENOMEM;							\
+										\
+	cpumask_copy(mask, topology_##mask(dev->id));				\
+	n = cpumap_print_bitmask_to_buf(buf, mask, off, count);			\
+	free_cpumask_var(mask);							\
+										\
+	return n;								\
 }										\
 										\
 static ssize_t name##_list_read(struct file *file, struct kobject *kobj,	\
···
 				loff_t off, size_t count)			\
 {										\
 	struct device *dev = kobj_to_dev(kobj);					\
+	cpumask_var_t mask;							\
+	ssize_t n;								\
 										\
-	return cpumap_print_list_to_buf(buf, topology_##mask(dev->id),		\
-					off, count);				\
+	if (!alloc_cpumask_var(&mask, GFP_KERNEL))				\
+		return -ENOMEM;							\
+										\
+	cpumask_copy(mask, topology_##mask(dev->id));				\
+	n = cpumap_print_list_to_buf(buf, mask, off, count);			\
+	free_cpumask_var(mask);							\
+										\
+	return n;								\
 }
 
 define_id_show_func(physical_package_id, "%d");

drivers/block/ublk_drv.c

···
 	blk_mq_kick_requeue_list(ub->ub_disk->queue);
 }
 
+static struct gendisk *ublk_detach_disk(struct ublk_device *ub)
+{
+	struct gendisk *disk;
+
+	/* Sync with ublk_abort_queue() by holding the lock */
+	spin_lock(&ub->lock);
+	disk = ub->ub_disk;
+	ub->dev_info.state = UBLK_S_DEV_DEAD;
+	ub->dev_info.ublksrv_pid = -1;
+	ub->ub_disk = NULL;
+	spin_unlock(&ub->lock);
+
+	return disk;
+}
+
 static void ublk_stop_dev(struct ublk_device *ub)
 {
 	struct gendisk *disk;
···
 		ublk_unquiesce_dev(ub);
 	}
 	del_gendisk(ub->ub_disk);
-
-	/* Sync with ublk_abort_queue() by holding the lock */
-	spin_lock(&ub->lock);
-	disk = ub->ub_disk;
-	ub->dev_info.state = UBLK_S_DEV_DEAD;
-	ub->dev_info.ublksrv_pid = -1;
-	ub->ub_disk = NULL;
-	spin_unlock(&ub->lock);
+	disk = ublk_detach_disk(ub);
 	put_disk(disk);
  unlock:
 	mutex_unlock(&ub->mutex);
···
 
 out_put_cdev:
 	if (ret) {
-		ub->dev_info.state = UBLK_S_DEV_DEAD;
+		ublk_detach_disk(ub);
 		ublk_put_device(ub);
 	}
 	if (ret)

drivers/block/zram/zram_drv.c

···
 	}
 
 	nr_pages = i_size_read(inode) >> PAGE_SHIFT;
+	/* Refuse to use zero sized device (also prevents self reference) */
+	if (!nr_pages) {
+		err = -EINVAL;
+		goto out;
+	}
+
 	bitmap_sz = BITS_TO_LONGS(nr_pages) * sizeof(long);
 	bitmap = kvzalloc(bitmap_sz, GFP_KERNEL);
 	if (!bitmap) {
···
 	size_t num_pages = disksize >> PAGE_SHIFT;
 	size_t index;
 
+	if (!zram->table)
+		return;
+
 	/* Free all pages that are still in this zram device */
 	for (index = 0; index < num_pages; index++)
 		zram_free_page(zram, index);
 
 	zs_destroy_pool(zram->mem_pool);
 	vfree(zram->table);
+	zram->table = NULL;
 }
 
 static bool zram_meta_alloc(struct zram *zram, u64 disksize)
···
 	down_write(&zram->init_lock);
 
 	zram->limit_pages = 0;
-
-	if (!init_done(zram)) {
-		up_write(&zram->init_lock);
-		return;
-	}
 
 	set_capacity_and_notify(zram->disk, 0);
 	part_stat_set_all(zram->disk->part0, 0);

drivers/bluetooth/btmtk.c

···
 
 int btmtk_usb_shutdown(struct hci_dev *hdev)
 {
+	struct btmtk_data *data = hci_get_priv(hdev);
 	struct btmtk_hci_wmt_params wmt_params;
 	u8 param = 0;
 	int err;
+
+	err = usb_autopm_get_interface(data->intf);
+	if (err < 0)
+		return err;
 
 	/* Disable the device */
 	wmt_params.op = BTMTK_WMT_FUNC_CTRL;
···
 	err = btmtk_usb_hci_wmt_sync(hdev, &wmt_params);
 	if (err < 0) {
 		bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
+		usb_autopm_put_interface(data->intf);
 		return err;
 	}
 
+	usb_autopm_put_interface(data->intf);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(btmtk_usb_shutdown);

drivers/bluetooth/btnxpuart.c

···
 
 	while ((skb = nxp_dequeue(nxpdev))) {
 		len = serdev_device_write_buf(serdev, skb->data, skb->len);
+		serdev_device_wait_until_sent(serdev, 0);
 		hdev->stat.byte_tx += len;
 
 		skb_pull(skb, len);

drivers/bus/mhi/host/pci_generic.c

···
 		return err;
 	}
 
-	mhi_cntrl->regs = pcim_iomap_region(pdev, 1 << bar_num, pci_name(pdev));
+	mhi_cntrl->regs = pcim_iomap_region(pdev, bar_num, pci_name(pdev));
 	if (IS_ERR(mhi_cntrl->regs)) {
 		err = PTR_ERR(mhi_cntrl->regs);
 		dev_err(&pdev->dev, "failed to map pci region: %d\n", err);

drivers/cdrom/cdrom.c

···
 		}
 	}
 
-	cd_dbg(CD_OPEN, "all seems well, opening the devicen");
+	cd_dbg(CD_OPEN, "all seems well, opening the device\n");
 
 	/* all seems well, we can open the device */
 	ret = cdo->open(cdi, 0); /* open for data */

drivers/clk/imx/clk-imx8mp-audiomix.c

···
 
 #else /* !CONFIG_RESET_CONTROLLER */
 
-static int clk_imx8mp_audiomix_reset_controller_register(struct clk_imx8mp_audiomix_priv *priv)
+static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev,
+							 struct clk_imx8mp_audiomix_priv *priv)
 {
 	return 0;
 }

drivers/clk/thead/clk-th1520-ap.c

···
 	},
 };
 
+static CLK_FIXED_FACTOR_HW(emmc_sdio_ref_clk, "emmc-sdio-ref",
+			   &video_pll_clk.common.hw, 4, 1, 0);
+
+static const struct clk_parent_data emmc_sdio_ref_clk_pd[] = {
+	{ .hw = &emmc_sdio_ref_clk.hw },
+};
+
 static CCU_GATE(CLK_BROM, brom_clk, "brom", ahb2_cpusys_hclk_pd, 0x100, BIT(4), 0);
 static CCU_GATE(CLK_BMU, bmu_clk, "bmu", axi4_cpusys2_aclk_pd, 0x100, BIT(5), 0);
 static CCU_GATE(CLK_AON2CPU_A2X, aon2cpu_a2x_clk, "aon2cpu-a2x", axi4_cpusys2_aclk_pd,
···
 		0x150, BIT(12), 0);
 static CCU_GATE(CLK_NPU_AXI, npu_axi_clk, "npu-axi", axi_aclk_pd, 0x1c8, BIT(5), 0);
 static CCU_GATE(CLK_CPU2VP, cpu2vp_clk, "cpu2vp", axi_aclk_pd, 0x1e0, BIT(13), 0);
-static CCU_GATE(CLK_EMMC_SDIO, emmc_sdio_clk, "emmc-sdio", video_pll_clk_pd, 0x204, BIT(30), 0);
+static CCU_GATE(CLK_EMMC_SDIO, emmc_sdio_clk, "emmc-sdio", emmc_sdio_ref_clk_pd, 0x204, BIT(30), 0);
 static CCU_GATE(CLK_GMAC1, gmac1_clk, "gmac1", gmac_pll_clk_pd, 0x204, BIT(26), 0);
 static CCU_GATE(CLK_PADCTRL1, padctrl1_clk, "padctrl1", perisys_apb_pclk_pd, 0x204, BIT(24), 0);
 static CCU_GATE(CLK_DSMART, dsmart_clk, "dsmart", perisys_apb_pclk_pd, 0x204, BIT(23), 0);
···
 	if (ret)
 		return ret;
 	priv->hws[CLK_PLL_GMAC_100M] = &gmac_pll_clk_100m.hw;
+
+	ret = devm_clk_hw_register(dev, &emmc_sdio_ref_clk.hw);
+	if (ret)
+		return ret;
 
 	ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, priv);
 	if (ret)

drivers/clocksource/hyperv_timer.c

···
 #include <asm/mshyperv.h>
 
 static struct clock_event_device __percpu *hv_clock_event;
-static u64 hv_sched_clock_offset __ro_after_init;
+/* Note: offset can hold negative values after hibernation. */
+static u64 hv_sched_clock_offset __read_mostly;
 
 /*
  * If false, we're using the old mechanism for stimer0 interrupts
···
 	tsc_msr.enable = 1;
 	tsc_msr.pfn = tsc_pfn;
 	hv_set_msr(HV_MSR_REFERENCE_TSC, tsc_msr.as_uint64);
+}
+
+/*
+ * Called during resume from hibernation, from overridden
+ * x86_platform.restore_sched_clock_state routine. This is to adjust offsets
+ * used to calculate time for hv tsc page based sched_clock, to account for
+ * time spent before hibernation.
+ */
+void hv_adj_sched_clock_offset(u64 offset)
+{
+	hv_sched_clock_offset -= offset;
 }
 
 #ifdef HAVE_VDSO_CLOCKMODE_HVCLOCK

drivers/cpufreq/amd-pstate.c

···
 
 static int msr_init_perf(struct amd_cpudata *cpudata)
 {
-	u64 cap1;
+	u64 cap1, numerator;
 
 	int ret = rdmsrl_safe_on_cpu(cpudata->cpu, MSR_AMD_CPPC_CAP1,
 				     &cap1);
 	if (ret)
 		return ret;
 
-	WRITE_ONCE(cpudata->highest_perf, AMD_CPPC_HIGHEST_PERF(cap1));
-	WRITE_ONCE(cpudata->max_limit_perf, AMD_CPPC_HIGHEST_PERF(cap1));
+	ret = amd_get_boost_ratio_numerator(cpudata->cpu, &numerator);
+	if (ret)
+		return ret;
+
+	WRITE_ONCE(cpudata->highest_perf, numerator);
+	WRITE_ONCE(cpudata->max_limit_perf, numerator);
 	WRITE_ONCE(cpudata->nominal_perf, AMD_CPPC_NOMINAL_PERF(cap1));
 	WRITE_ONCE(cpudata->lowest_nonlinear_perf, AMD_CPPC_LOWNONLIN_PERF(cap1));
 	WRITE_ONCE(cpudata->lowest_perf, AMD_CPPC_LOWEST_PERF(cap1));
···
 static int shmem_init_perf(struct amd_cpudata *cpudata)
 {
 	struct cppc_perf_caps cppc_perf;
+	u64 numerator;
 
 	int ret = cppc_get_perf_caps(cpudata->cpu, &cppc_perf);
 	if (ret)
 		return ret;
 
-	WRITE_ONCE(cpudata->highest_perf, cppc_perf.highest_perf);
-	WRITE_ONCE(cpudata->max_limit_perf, cppc_perf.highest_perf);
+	ret = amd_get_boost_ratio_numerator(cpudata->cpu, &numerator);
+	if (ret)
+		return ret;
+
+	WRITE_ONCE(cpudata->highest_perf, numerator);
+	WRITE_ONCE(cpudata->max_limit_perf, numerator);
 	WRITE_ONCE(cpudata->nominal_perf, cppc_perf.nominal_perf);
 	WRITE_ONCE(cpudata->lowest_nonlinear_perf,
 		   cppc_perf.lowest_nonlinear_perf);
···
 
 static int amd_pstate_update_min_max_limit(struct cpufreq_policy *policy)
 {
-	u32 max_limit_perf, min_limit_perf, lowest_perf, max_perf;
+	u32 max_limit_perf, min_limit_perf, lowest_perf, max_perf, max_freq;
 	struct amd_cpudata *cpudata = policy->driver_data;
 
-	if (cpudata->boost_supported && !policy->boost_enabled)
-		max_perf = READ_ONCE(cpudata->nominal_perf);
-	else
-		max_perf = READ_ONCE(cpudata->highest_perf);
-
-	max_limit_perf = div_u64(policy->max * max_perf, policy->cpuinfo.max_freq);
-	min_limit_perf = div_u64(policy->min * max_perf, policy->cpuinfo.max_freq);
+	max_perf = READ_ONCE(cpudata->highest_perf);
+	max_freq = READ_ONCE(cpudata->max_freq);
+	max_limit_perf = div_u64(policy->max * max_perf, max_freq);
+	min_limit_perf = div_u64(policy->min * max_perf, max_freq);
 
 	lowest_perf = READ_ONCE(cpudata->lowest_perf);
 	if (min_limit_perf < lowest_perf)
···
 {
 	int ret;
 	u32 min_freq, max_freq;
-	u64 numerator;
 	u32 nominal_perf, nominal_freq;
 	u32 lowest_nonlinear_perf, lowest_nonlinear_freq;
 	u32 boost_ratio, lowest_nonlinear_ratio;
···
 
 	nominal_perf = READ_ONCE(cpudata->nominal_perf);
 
-	ret = amd_get_boost_ratio_numerator(cpudata->cpu, &numerator);
-	if (ret)
-		return ret;
-	boost_ratio = div_u64(numerator << SCHED_CAPACITY_SHIFT, nominal_perf);
+	boost_ratio = div_u64(cpudata->highest_perf << SCHED_CAPACITY_SHIFT, nominal_perf);
 	max_freq = (nominal_freq * boost_ratio >> SCHED_CAPACITY_SHIFT) * 1000;
 
 	lowest_nonlinear_perf = READ_ONCE(cpudata->lowest_nonlinear_perf);
···
 		static_call_update(amd_pstate_update_perf, shmem_update_perf);
 	}
 
-	ret = amd_pstate_register_driver(cppc_state);
-	if (ret) {
-		pr_err("failed to register with return %d\n", ret);
-		return ret;
-	}
-
 	if (amd_pstate_prefcore) {
 		ret = amd_detect_prefcore(&amd_pstate_prefcore);
 		if (ret)
 			return ret;
+	}
+
+	ret = amd_pstate_register_driver(cppc_state);
+	if (ret) {
+		pr_err("failed to register with return %d\n", ret);
+		return ret;
 	}
 
 	dev_root = bus_get_dev_root(&cpu_subsys);

drivers/cpuidle/cpuidle-riscv-sbi.c

···
 	int cpu, ret;
 	struct cpuidle_driver *drv;
 	struct cpuidle_device *dev;
-	struct device_node *np, *pds_node;
+	struct device_node *pds_node;
 
 	/* Detect OSI support based on CPU DT nodes */
 	sbi_cpuidle_use_osi = true;
 	for_each_possible_cpu(cpu) {
-		np = of_cpu_device_node_get(cpu);
+		struct device_node *np __free(device_node) = of_cpu_device_node_get(cpu);
 		if (np &&
 		    of_property_present(np, "power-domains") &&
 		    of_property_present(np, "power-domain-names")) {

drivers/cxl/core/region.c

···
 	struct cxl_region_params *p = &cxlr->params;
 	struct cxl_decoder *cxld = cxl_rr->decoder;
 	struct cxl_switch_decoder *cxlsd;
+	struct cxl_port *iter = port;
 	u16 eig, peig;
 	u8 eiw, peiw;
 
···
 
 	cxlsd = to_cxl_switch_decoder(&cxld->dev);
 	if (cxl_rr->nr_targets_set) {
-		int i, distance;
+		int i, distance = 1;
+		struct cxl_region_ref *cxl_rr_iter;
 
 		/*
-		 * Passthrough decoders impose no distance requirements between
-		 * peers
+		 * The "distance" between peer downstream ports represents which
+		 * endpoint positions in the region interleave a given port can
+		 * host.
+		 *
+		 * For example, at the root of a hierarchy the distance is
+		 * always 1 as every index targets a different host-bridge. At
+		 * each subsequent switch level those ports map every Nth region
+		 * position where N is the width of the switch == distance.
 		 */
-		if (cxl_rr->nr_targets == 1)
-			distance = 0;
-		else
-			distance = p->nr_targets / cxl_rr->nr_targets;
+		do {
+			cxl_rr_iter = cxl_rr_load(iter, cxlr);
+			distance *= cxl_rr_iter->nr_targets;
+			iter = to_cxl_port(iter->dev.parent);
+		} while (!is_cxl_root(iter));
+		distance *= cxlrd->cxlsd.cxld.interleave_ways;
+
 		for (i = 0; i < cxl_rr->nr_targets_set; i++)
 			if (ep->dport == cxlsd->target[i]) {
 				rc = check_last_peer(cxled, ep, cxl_rr,

drivers/cxl/pci.c

···
 	if (!root_dev)
 		return -ENXIO;
 
+	if (!dport->regs.rcd_pcie_cap)
+		return -ENXIO;
+
 	guard(device)(root_dev);
 	if (!root_dev->driver)
 		return -ENXIO;
···
 	if (rc)
 		return rc;
 
-	rc = cxl_pci_ras_unmask(pdev);
-	if (rc)
+	if (cxl_pci_ras_unmask(pdev))
 		dev_dbg(&pdev->dev, "No RAS reporting unmasked\n");
 
 	pci_save_state(pdev);

drivers/dma-buf/dma-buf.c

···
 {
 }
 
-static void __dma_buf_debugfs_list_del(struct file *file)
+static void __dma_buf_debugfs_list_del(struct dma_buf *dmabuf)
 {
 }
 #endif

drivers/dma-buf/udmabuf.c

···
 };
 
 #define SEALS_WANTED (F_SEAL_SHRINK)
-#define SEALS_DENIED (F_SEAL_WRITE)
+#define SEALS_DENIED (F_SEAL_WRITE|F_SEAL_FUTURE_WRITE)
 
 static int check_memfd_seals(struct file *memfd)
 {
···
 	return 0;
 }
 
-static int export_udmabuf(struct udmabuf *ubuf,
-			  struct miscdevice *device,
-			  u32 flags)
+static struct dma_buf *export_udmabuf(struct udmabuf *ubuf,
+				      struct miscdevice *device)
 {
 	DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
-	struct dma_buf *buf;
 
 	ubuf->device = device;
 	exp_info.ops  = &udmabuf_ops;
···
 	exp_info.priv = ubuf;
 	exp_info.flags = O_RDWR;
 
-	buf = dma_buf_export(&exp_info);
-	if (IS_ERR(buf))
-		return PTR_ERR(buf);
-
-	return dma_buf_fd(buf, flags);
+	return dma_buf_export(&exp_info);
 }
 
 static long udmabuf_pin_folios(struct udmabuf *ubuf, struct file *memfd,
···
 	struct folio **folios = NULL;
 	pgoff_t pgcnt = 0, pglimit;
 	struct udmabuf *ubuf;
+	struct dma_buf *dmabuf;
 	long ret = -EINVAL;
 	u32 i, flags;
 
···
 			goto err;
 		}
 
+		/*
+		 * Take the inode lock to protect against concurrent
+		 * memfd_add_seals(), which takes this lock in write mode.
+		 */
+		inode_lock_shared(file_inode(memfd));
 		ret = check_memfd_seals(memfd);
-		if (ret < 0) {
-			fput(memfd);
-			goto err;
-		}
+		if (ret)
+			goto out_unlock;
 
 		ret = udmabuf_pin_folios(ubuf, memfd, list[i].offset,
 					 list[i].size, folios);
+out_unlock:
+		inode_unlock_shared(file_inode(memfd));
 		fput(memfd);
 		if (ret)
 			goto err;
 	}
 
 	flags = head->flags & UDMABUF_FLAGS_CLOEXEC ? O_CLOEXEC : 0;
-	ret = export_udmabuf(ubuf, device, flags);
-	if (ret < 0)
+	dmabuf = export_udmabuf(ubuf, device);
+	if (IS_ERR(dmabuf)) {
+		ret = PTR_ERR(dmabuf);
 		goto err;
+	}
+	/*
+	 * Ownership of ubuf is held by the dmabuf from here.
+	 * If the following dma_buf_fd() fails, dma_buf_put() cleans up both the
+	 * dmabuf and the ubuf (through udmabuf_ops.release).
+	 */
+
+	ret = dma_buf_fd(dmabuf, flags);
+	if (ret < 0)
+		dma_buf_put(dmabuf);
 
 	kvfree(folios);
 	return ret;

drivers/dma/amd/qdma/qdma.c

···
 #include <linux/bitfield.h>
 #include <linux/bitops.h>
 #include <linux/dmaengine.h>
+#include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
-#include <linux/dma-map-ops.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/amd_qdma.h>
 #include <linux/regmap.h>
···
 
 static int qdma_device_setup(struct qdma_device *qdev)
 {
-	struct device *dev = &qdev->pdev->dev;
 	u32 ring_sz = QDMA_DEFAULT_RING_SIZE;
 	int ret = 0;
-
-	while (dev && get_dma_ops(dev))
-		dev = dev->parent;
-	if (!dev) {
-		qdma_err(qdev, "dma device not found");
-		return -EINVAL;
-	}
-	set_dma_ops(&qdev->pdev->dev, get_dma_ops(dev));
 
 	ret = qdma_setup_fmap_context(qdev);
 	if (ret) {
···
 {
 	struct qdma_queue *queue = to_qdma_queue(chan);
 	struct qdma_device *qdev = queue->qdev;
-	struct device *dev = qdev->dma_dev.dev;
+	struct qdma_platdata *pdata;
 
 	qdma_clear_queue_context(queue);
 	vchan_free_chan_resources(&queue->vchan);
-	dma_free_coherent(dev, queue->ring_size * QDMA_MM_DESC_SIZE,
+	pdata = dev_get_platdata(&qdev->pdev->dev);
+	dma_free_coherent(pdata->dma_dev, queue->ring_size * QDMA_MM_DESC_SIZE,
 			  queue->desc_base, queue->dma_desc_base);
 }
 
···
 	struct qdma_queue *queue = to_qdma_queue(chan);
 	struct qdma_device *qdev = queue->qdev;
 	struct qdma_ctxt_sw_desc desc;
+	struct qdma_platdata *pdata;
 	size_t size;
 	int ret;
 
···
 	if (ret)
 		return ret;
 
+	pdata = dev_get_platdata(&qdev->pdev->dev);
 	size = queue->ring_size * QDMA_MM_DESC_SIZE;
-	queue->desc_base = dma_alloc_coherent(qdev->dma_dev.dev, size,
+	queue->desc_base = dma_alloc_coherent(pdata->dma_dev, size,
 					      &queue->dma_desc_base,
 					      GFP_KERNEL);
 	if (!queue->desc_base) {
···
 	if (ret) {
 		qdma_err(qdev, "Failed to setup SW desc ctxt for %s",
 			 chan->name);
-		dma_free_coherent(qdev->dma_dev.dev, size, queue->desc_base,
+		dma_free_coherent(pdata->dma_dev, size, queue->desc_base,
 				  queue->dma_desc_base);
 		return ret;
 	}
···
 
 static int qdmam_alloc_qintr_rings(struct qdma_device *qdev)
 {
-	u32 ctxt[QDMA_CTXT_REGMAP_LEN];
+	struct qdma_platdata *pdata = dev_get_platdata(&qdev->pdev->dev);
 	struct device *dev = &qdev->pdev->dev;
+	u32 ctxt[QDMA_CTXT_REGMAP_LEN];
 	struct qdma_intr_ring *ring;
 	struct qdma_ctxt_intr intr_ctxt;
 	u32 vector;
···
 		ring->msix_id = qdev->err_irq_idx + i + 1;
 		ring->ridx = i;
 		ring->color = 1;
-		ring->base = dmam_alloc_coherent(dev, QDMA_INTR_RING_SIZE,
+		ring->base = dmam_alloc_coherent(pdata->dma_dev,
+						 QDMA_INTR_RING_SIZE,
 						 &ring->dev_base, GFP_KERNEL);
 		if (!ring->base) {
 			qdma_err(qdev, "Failed to alloc intr ring %d", i);

drivers/dma/apple-admac.c

···
 {
 	struct admac_sram *sram;
 	int i, ret = 0, nblocks;
+	ad->txcache.size = readl_relaxed(ad->base + REG_TX_SRAM_SIZE);
+	ad->rxcache.size = readl_relaxed(ad->base + REG_RX_SRAM_SIZE);
 
 	if (dir == DMA_MEM_TO_DEV)
 		sram = &ad->txcache;
···
 		goto free_irq;
 	}
 
-	ad->txcache.size = readl_relaxed(ad->base + REG_TX_SRAM_SIZE);
-	ad->rxcache.size = readl_relaxed(ad->base + REG_RX_SRAM_SIZE);
-
 	dev_info(&pdev->dev, "Audio DMA Controller\n");
-	dev_info(&pdev->dev, "imprint %x TX cache %u RX cache %u\n",
-		 readl_relaxed(ad->base + REG_IMPRINT), ad->txcache.size, ad->rxcache.size);
 
 	return 0;
 

drivers/dma/at_xdmac.c

···
 		return NULL;
 
 	desc = at_xdmac_memset_create_desc(chan, atchan, dest, len, value);
+	if (!desc)
+		return NULL;
 	list_add_tail(&desc->desc_node, &desc->descs_list);
 
 	desc->tx_dma_desc.cookie = -EBUSY;

drivers/dma/dw/acpi.c

···
 
 static bool dw_dma_acpi_filter(struct dma_chan *chan, void *param)
 {
+	struct dw_dma *dw = to_dw_dma(chan->device);
+	struct dw_dma_chip_pdata *data = dev_get_drvdata(dw->dma.dev);
 	struct acpi_dma_spec *dma_spec = param;
 	struct dw_dma_slave slave = {
 		.dma_dev = dma_spec->dev,
 		.src_id = dma_spec->slave_id,
 		.dst_id = dma_spec->slave_id,
-		.m_master = 0,
-		.p_master = 1,
+		.m_master = data->m_master,
+		.p_master = data->p_master,
 	};
 
 	return dw_dma_filter(chan, &slave);

drivers/dma/dw/internal.h

···
 	int (*probe)(struct dw_dma_chip *chip);
 	int (*remove)(struct dw_dma_chip *chip);
 	struct dw_dma_chip *chip;
+	u8 m_master;
+	u8 p_master;
 };
 
 static __maybe_unused const struct dw_dma_chip_pdata dw_dma_chip_pdata = {
 	.probe = dw_dma_probe,
 	.remove = dw_dma_remove,
+	.m_master = 0,
+	.p_master = 1,
 };
 
 static const struct dw_dma_platform_data idma32_pdata = {
···
 	.pdata = &idma32_pdata,
 	.probe = idma32_dma_probe,
 	.remove = idma32_dma_remove,
+	.m_master = 0,
+	.p_master = 0,
 };
 
 static const struct dw_dma_platform_data xbar_pdata = {
···
 	.pdata = &xbar_pdata,
 	.probe = idma32_dma_probe,
 	.remove = idma32_dma_remove,
+	.m_master = 0,
+	.p_master = 0,
 };
 
 #endif /* _DMA_DW_INTERNAL_H */

drivers/dma/dw/pci.c

···
 	if (ret)
 		return ret;
 
-	dw_dma_acpi_controller_register(chip->dw);
-
 	pci_set_drvdata(pdev, data);
+
+	dw_dma_acpi_controller_register(chip->dw);
 
 	return 0;
 }

drivers/dma/fsl-edma-common.h

···
 	struct work_struct		issue_worker;
 	struct platform_device		*pdev;
 	struct device			*pd_dev;
+	struct device_link		*pd_dev_link;
 	u32				srcid;
 	struct clk			*clk;
 	int                             priority;

drivers/dma/fsl-edma-main.c

···
 };
 MODULE_DEVICE_TABLE(of, fsl_edma_dt_ids);
 
+static void fsl_edma3_detach_pd(struct fsl_edma_engine *fsl_edma)
+{
+	struct fsl_edma_chan *fsl_chan;
+	int i;
+
+	for (i = 0; i < fsl_edma->n_chans; i++) {
+		if (fsl_edma->chan_masked & BIT(i))
+			continue;
+		fsl_chan = &fsl_edma->chans[i];
+		if (fsl_chan->pd_dev_link)
+			device_link_del(fsl_chan->pd_dev_link);
+		if (fsl_chan->pd_dev) {
+			dev_pm_domain_detach(fsl_chan->pd_dev, false);
+			pm_runtime_dont_use_autosuspend(fsl_chan->pd_dev);
+			pm_runtime_set_suspended(fsl_chan->pd_dev);
+		}
+	}
+}
+
+static void devm_fsl_edma3_detach_pd(void *data)
+{
+	fsl_edma3_detach_pd(data);
+}
+
 static int fsl_edma3_attach_pd(struct platform_device *pdev, struct fsl_edma_engine *fsl_edma)
 {
 	struct fsl_edma_chan *fsl_chan;
-	struct device_link *link;
 	struct device *pd_chan;
 	struct device *dev;
 	int i;
···
 		pd_chan = dev_pm_domain_attach_by_id(dev, i);
 		if (IS_ERR_OR_NULL(pd_chan)) {
 			dev_err(dev, "Failed attach pd %d\n", i);
-			return -EINVAL;
+			goto detach;
 		}
 
-		link = device_link_add(dev, pd_chan, DL_FLAG_STATELESS |
+		fsl_chan->pd_dev_link = device_link_add(dev, pd_chan, DL_FLAG_STATELESS |
 					     DL_FLAG_PM_RUNTIME |
 					     DL_FLAG_RPM_ACTIVE);
-		if (!link) {
+		if (!fsl_chan->pd_dev_link) {
 			dev_err(dev, "Failed to add device_link to %d\n", i);
-			return -EINVAL;
+			dev_pm_domain_detach(pd_chan, false);
+			goto detach;
 		}
 
 		fsl_chan->pd_dev = pd_chan;
···
 	}
 
 	return 0;
+
+detach:
+	fsl_edma3_detach_pd(fsl_edma);
+	return -EINVAL;
 }
 
 static int fsl_edma_probe(struct platform_device *pdev)
···
 
 	if (drvdata->flags & FSL_EDMA_DRV_HAS_PD) {
 		ret = fsl_edma3_attach_pd(pdev, fsl_edma);
+		if (ret)
+			return ret;
+		ret = devm_add_action_or_reset(&pdev->dev, devm_fsl_edma3_detach_pd, fsl_edma);
 		if (ret)
 			return ret;
 	}

drivers/dma/loongson2-apb-dma.c

···
 #define LDMA_ASK_VALID		BIT(2)
 #define LDMA_START		BIT(3) /* DMA start operation */
 #define LDMA_STOP		BIT(4) /* DMA stop operation */
-#define LDMA_CONFIG_MASK	GENMASK(4, 0) /* DMA controller config bits mask */
+#define LDMA_CONFIG_MASK	GENMASK_ULL(4, 0) /* DMA controller config bits mask */
 
 /* Bitfields in ndesc_addr field of HW descriptor */
 #define LDMA_DESC_EN		BIT(0) /*1: The next descriptor is valid */

drivers/dma/mv_xor.c

···
 			irq = irq_of_parse_and_map(np, 0);
 			if (!irq) {
 				ret = -ENODEV;
+				of_node_put(np);
 				goto err_channel_add;
 			}
 
···
 			if (IS_ERR(chan)) {
 				ret = PTR_ERR(chan);
 				irq_dispose_mapping(irq);
+				of_node_put(np);
 				goto err_channel_add;
 			}
 

drivers/dma/tegra186-gpc-dma.c

···
 	bool config_init;
 	char name[30];
 	enum dma_transfer_direction sid_dir;
+	enum dma_status status;
 	int id;
 	int irq;
 	int slave_id;
···
 		tegra_dma_dump_chan_regs(tdc);
 	}
 
+	tdc->status = DMA_PAUSED;
+
 	return ret;
 }
 
···
 	val = tdc_read(tdc, TEGRA_GPCDMA_CHAN_CSRE);
 	val &= ~TEGRA_GPCDMA_CHAN_CSRE_PAUSE;
 	tdc_write(tdc, TEGRA_GPCDMA_CHAN_CSRE, val);
+
+	tdc->status = DMA_IN_PROGRESS;
 }
 
 static int tegra_dma_device_resume(struct dma_chan *dc)
···
 
 	tegra_dma_sid_free(tdc);
 	tdc->dma_desc = NULL;
+	tdc->status = DMA_COMPLETE;
 }
 
 static void tegra_dma_chan_decode_error(struct tegra_dma_channel *tdc,
···
 		tdc->dma_desc = NULL;
 	}
 
+	tdc->status = DMA_COMPLETE;
 	tegra_dma_sid_free(tdc);
 	vchan_get_all_descriptors(&tdc->vc, &head);
 	spin_unlock_irqrestore(&tdc->vc.lock, flags);
···
 	ret = dma_cookie_status(dc, cookie, txstate);
 	if (ret == DMA_COMPLETE)
 		return ret;
+
+	if (tdc->status == DMA_PAUSED)
+		ret = DMA_PAUSED;
 
 	spin_lock_irqsave(&tdc->vc.lock, flags);
 	vd = vchan_find_desc(&tdc->vc, cookie);

drivers/firmware/arm_ffa/bus.c

···
 	return valid;
 }
 
-struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id,
-				       const struct ffa_ops *ops)
+struct ffa_device *
+ffa_device_register(const struct ffa_partition_info *part_info,
+		    const struct ffa_ops *ops)
 {
 	int id, ret;
+	uuid_t uuid;
 	struct device *dev;
 	struct ffa_device *ffa_dev;
+
+	if (!part_info)
+		return NULL;
 
 	id = ida_alloc_min(&ffa_bus_id, 1, GFP_KERNEL);
 	if (id < 0)
···
 	dev_set_name(&ffa_dev->dev, "arm-ffa-%d", id);
 
 	ffa_dev->id = id;
-	ffa_dev->vm_id = vm_id;
+	ffa_dev->vm_id = part_info->id;
+	ffa_dev->properties = part_info->properties;
 	ffa_dev->ops = ops;
-	uuid_copy(&ffa_dev->uuid, uuid);
+	import_uuid(&uuid, (u8 *)part_info->uuid);
+	uuid_copy(&ffa_dev->uuid, &uuid);
 
 	ret = device_register(&ffa_dev->dev);
 	if (ret) {

drivers/firmware/arm_ffa/driver.c

···
 static int ffa_setup_partitions(void)
 {
 	int count, idx, ret;
-	uuid_t uuid;
 	struct ffa_device *ffa_dev;
 	struct ffa_dev_part_info *info;
 	struct ffa_partition_info *pbuf, *tpbuf;
···
 
 	xa_init(&drv_info->partition_info);
 	for (idx = 0, tpbuf = pbuf; idx < count; idx++, tpbuf++) {
-		import_uuid(&uuid, (u8 *)tpbuf->uuid);
-
 		/* Note that if the UUID will be uuid_null, that will require
 		 * ffa_bus_notifier() to find the UUID of this partition id
 		 * with help of ffa_device_match_uuid(). FF-A v1.1 and above
 		 * provides UUID here for each partition as part of the
 		 * discovery API and the same is passed.
 		 */
-		ffa_dev = ffa_device_register(&uuid, tpbuf->id, &ffa_drv_ops);
+		ffa_dev = ffa_device_register(tpbuf, &ffa_drv_ops);
 		if (!ffa_dev) {
 			pr_err("%s: failed to register partition ID 0x%x\n",
 			       __func__, tpbuf->id);
 			continue;
 		}
-
-		ffa_dev->properties = tpbuf->properties;
 
 		if (drv_info->version > FFA_VERSION_1_0 &&
 		    !(tpbuf->properties & FFA_PARTITION_AARCH64_EXEC))

drivers/firmware/arm_scmi/vendors/imx/Kconfig

···
 config IMX_SCMI_MISC_EXT
 	tristate "i.MX SCMI MISC EXTENSION"
 	depends on ARM_SCMI_PROTOCOL || (COMPILE_TEST && OF)
+	depends on IMX_SCMI_MISC_DRV
 	default y if ARCH_MXC
 	help
 	  This enables i.MX System MISC control logic such as gpio expander

drivers/firmware/imx/Kconfig

···
 
 config IMX_SCMI_MISC_DRV
 	tristate "IMX SCMI MISC Protocol driver"
-	depends on IMX_SCMI_MISC_EXT || COMPILE_TEST
 	default y if ARCH_MXC
 	help
 	  The System Controller Management Interface firmware (SCMI FW) is

drivers/firmware/microchip/mpfs-auto-update.c

···
 		return -EIO;
 
 	/*
-	 * Bit 5 of byte 1 is "UL_Auto Update" & if it is set, Auto Update is
+	 * Bit 5 of byte 1 is "UL_IAP" & if it is set, Auto Update is
 	 * not possible.
 	 */
-	if (response_msg[1] & AUTO_UPDATE_FEATURE_ENABLED)
+	if ((((u8 *)response_msg)[1] & AUTO_UPDATE_FEATURE_ENABLED))
 		return -EPERM;
 
 	return 0;

drivers/gpio/gpio-loongson-64bit.c

···
 static const struct loongson_gpio_chip_data loongson_gpio_ls2k2000_data2 = {
 	.label = "ls2k2000_gpio",
 	.mode = BIT_CTRL_MODE,
-	.conf_offset = 0x84,
-	.in_offset = 0x88,
-	.out_offset = 0x80,
+	.conf_offset = 0x4,
+	.in_offset = 0x8,
+	.out_offset = 0x0,
 };
 
 static const struct loongson_gpio_chip_data loongson_gpio_ls3a5000_data = {

drivers/gpio/gpio-sim.c

···
 	dev->pdev = NULL;
 }
 
+static void
+gpio_sim_device_lockup_configfs(struct gpio_sim_device *dev, bool lock)
+{
+	struct configfs_subsystem *subsys = dev->group.cg_subsys;
+	struct gpio_sim_bank *bank;
+	struct gpio_sim_line *line;
+
+	/*
+	 * The device only needs to depend on leaf line entries. This is
+	 * sufficient to lock up all the configfs entries that the
+	 * instantiated, alive device depends on.
+	 */
+	list_for_each_entry(bank, &dev->bank_list, siblings) {
+		list_for_each_entry(line, &bank->line_list, siblings) {
+			if (lock)
+				WARN_ON(configfs_depend_item_unlocked(
+						subsys, &line->group.cg_item));
+			else
+				configfs_undepend_item_unlocked(
+						&line->group.cg_item);
+		}
+	}
+}
+
 static ssize_t
 gpio_sim_device_config_live_store(struct config_item *item,
 				  const char *page, size_t count)
···
 	if (ret)
 		return ret;
 
-	guard(mutex)(&dev->lock);
+	if (live)
+		gpio_sim_device_lockup_configfs(dev, true);
 
-	if (live == gpio_sim_device_is_live(dev))
-		ret = -EPERM;
-	else if (live)
-		ret = gpio_sim_device_activate(dev);
-	else
-		gpio_sim_device_deactivate(dev);
+	scoped_guard(mutex, &dev->lock) {
+		if (live == gpio_sim_device_is_live(dev))
+			ret = -EPERM;
+		else if (live)
+			ret = gpio_sim_device_activate(dev);
+		else
+			gpio_sim_device_deactivate(dev);
+	}
+
+	/*
+	 * Undepend is required only if device disablement (live == 0)
+	 * succeeds or if device enablement (live == 1) fails.
+	 */
+	if (live == !!ret)
+		gpio_sim_device_lockup_configfs(dev, false);
 
 	return ret ?: count;
 }

drivers/gpio/gpio-virtuser.c

···
 	size_t num_entries = gpio_virtuser_get_lookup_count(dev);
 	struct gpio_virtuser_lookup_entry *entry;
 	struct gpio_virtuser_lookup *lookup;
-	unsigned int i = 0;
+	unsigned int i = 0, idx;
 
 	lockdep_assert_held(&dev->lock);
 
···
 		return -ENOMEM;
 
 	list_for_each_entry(lookup, &dev->lookup_list, siblings) {
+		idx = 0;
 		list_for_each_entry(entry, &lookup->entry_list, siblings) {
-			table->table[i] =
+			table->table[i++] =
 				GPIO_LOOKUP_IDX(entry->key,
 						entry->offset < 0 ? U16_MAX : entry->offset,
-						lookup->con_id, i, entry->flags);
-			i++;
+						lookup->con_id, idx++, entry->flags);
 		}
 	}
 
···
 	dev->lookup_table = no_free_ptr(table);
 
 	return 0;
+}
+
+static void
+gpio_virtuser_remove_lookup_table(struct gpio_virtuser_device *dev)
+{
+	gpiod_remove_lookup_table(dev->lookup_table);
+	kfree(dev->lookup_table->dev_id);
+	kfree(dev->lookup_table);
+	dev->lookup_table = NULL;
 }
 
 static struct fwnode_handle *
···
 	pdevinfo.fwnode = swnode;
 
 	ret = gpio_virtuser_make_lookup_table(dev);
-	if (ret) {
-		fwnode_remove_software_node(swnode);
-		return ret;
-	}
+	if (ret)
+		goto err_remove_swnode;
 
 	reinit_completion(&dev->probe_completion);
 	dev->driver_bound = false;
···
 
 	pdev = platform_device_register_full(&pdevinfo);
 	if (IS_ERR(pdev)) {
+		ret = PTR_ERR(pdev);
 		bus_unregister_notifier(&platform_bus_type, &dev->bus_notifier);
-		fwnode_remove_software_node(swnode);
-		return PTR_ERR(pdev);
+		goto err_remove_lookup_table;
 	}
 
 	wait_for_completion(&dev->probe_completion);
 	bus_unregister_notifier(&platform_bus_type, &dev->bus_notifier);
 
 	if (!dev->driver_bound) {
-		platform_device_unregister(pdev);
-		fwnode_remove_software_node(swnode);
-		return -ENXIO;
+		ret = -ENXIO;
+		goto err_unregister_pdev;
 	}
 
 	dev->pdev = pdev;
 
 	return 0;
+
+err_unregister_pdev:
+	platform_device_unregister(pdev);
+err_remove_lookup_table:
+	gpio_virtuser_remove_lookup_table(dev);
+err_remove_swnode:
+	fwnode_remove_software_node(swnode);
+
+	return ret;
 }
 
 static void
···
 
 	swnode = dev_fwnode(&dev->pdev->dev);
 	platform_device_unregister(dev->pdev);
+	gpio_virtuser_remove_lookup_table(dev);
 	fwnode_remove_software_node(swnode);
 	dev->pdev = NULL;
-	gpiod_remove_lookup_table(dev->lookup_table);
-	kfree(dev->lookup_table);
+}
+
+static void
+gpio_virtuser_device_lockup_configfs(struct gpio_virtuser_device *dev, bool lock)
+{
+	struct configfs_subsystem *subsys = dev->group.cg_subsys;
+	struct gpio_virtuser_lookup_entry *entry;
+	struct gpio_virtuser_lookup *lookup;
+
+	/*
+	 * The device only needs to depend on leaf lookup entries. This is
+	 * sufficient to lock up all the configfs entries that the
+	 * instantiated, alive device depends on.
+	 */
+	list_for_each_entry(lookup, &dev->lookup_list, siblings) {
+		list_for_each_entry(entry, &lookup->entry_list, siblings) {
+			if (lock)
+				WARN_ON(configfs_depend_item_unlocked(
+						subsys, &entry->group.cg_item));
+			else
+				configfs_undepend_item_unlocked(
+						&entry->group.cg_item);
+		}
+	}
 }
 
 static ssize_t
···
 	if (ret)
 		return ret;
 
-	guard(mutex)(&dev->lock);
-
-	if (live == gpio_virtuser_device_is_live(dev))
-		return -EPERM;
-
 	if (live)
-		ret = gpio_virtuser_device_activate(dev);
-	else
-		gpio_virtuser_device_deactivate(dev);
+		gpio_virtuser_device_lockup_configfs(dev, true);
+
+	scoped_guard(mutex, &dev->lock) {
+		if (live == gpio_virtuser_device_is_live(dev))
+			ret = -EPERM;
+		else if (live)
+			ret = gpio_virtuser_device_activate(dev);
+		else
+			gpio_virtuser_device_deactivate(dev);
+	}
+
+	/*
+	 * Undepend is required only if device disablement (live == 0)
+	 * succeeds or if device enablement (live == 1) fails.
+	 */
+	if (live == !!ret)
+		gpio_virtuser_device_lockup_configfs(dev, false);
 
 	return ret ?: count;
 }

drivers/gpu/drm/Kconfig

···
 config DRM_KMS_HELPER
 	tristate
 	depends on DRM
+	select FB_CORE if DRM_FBDEV_EMULATION
 	help
 	  CRTC helpers for KMS drivers.
 
···
 	tristate
 	depends on DRM
 	select DRM_TTM
+	select FB_CORE if DRM_FBDEV_EMULATION
 	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	help
 	  Helpers for ttm-based gem objects
···
 config DRM_GEM_DMA_HELPER
 	tristate
 	depends on DRM
+	select FB_CORE if DRM_FBDEV_EMULATION
 	select FB_DMAMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	help
 	  Choose this if you need the GEM DMA helper functions
···
 config DRM_GEM_SHMEM_HELPER
 	tristate
 	depends on DRM && MMU
+	select FB_CORE if DRM_FBDEV_EMULATION
 	select FB_SYSMEM_HELPERS_DEFERRED if DRM_FBDEV_EMULATION
 	help
 	  Choose this if you need the GEM shmem helper functions

drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c

···
 	coredump->skip_vram_check = skip_vram_check;
 	coredump->reset_vram_lost = vram_lost;
 
-	if (job && job->vm) {
-		struct amdgpu_vm *vm = job->vm;
+	if (job && job->pasid) {
 		struct amdgpu_task_info *ti;
 
-		ti = amdgpu_vm_get_task_info_vm(vm);
+		ti = amdgpu_vm_get_task_info_pasid(adev, job->pasid);
 		if (ti) {
 			coredump->reset_task_info = *ti;
 			amdgpu_vm_put_task_info(ti);

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

···
 {
 	struct amdgpu_device *adev = drm_to_adev(dev);
 
+	if (!IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE))
+		return false;
+
 	if (adev->has_pr3 ||
 	    ((adev->flags & AMD_IS_PX) && amdgpu_is_atpx_hybrid()))
 		return true;

drivers/gpu/drm/amd/amdgpu/amdgpu_job.c

···
 
 void amdgpu_job_free_resources(struct amdgpu_job *job)
 {
-	struct amdgpu_ring *ring = to_amdgpu_ring(job->base.sched);
 	struct dma_fence *f;
 	unsigned i;
 
···
 		f = NULL;
 
 	for (i = 0; i < job->num_ibs; ++i)
-		amdgpu_ib_free(ring->adev, &job->ibs[i], f);
+		amdgpu_ib_free(NULL, &job->ibs[i], f);
 }
 
 static void amdgpu_job_free_cb(struct drm_sched_job *s_job)

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

···
 	 * next command submission.
 	 */
 	if (amdgpu_vm_is_bo_always_valid(vm, bo)) {
-		uint32_t mem_type = bo->tbo.resource->mem_type;
-
-		if (!(bo->preferred_domains &
-		      amdgpu_mem_type_to_domain(mem_type)))
+		if (bo->tbo.resource &&
+		    !(bo->preferred_domains &
+		      amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type)))
 			amdgpu_vm_bo_evicted(&bo_va->base);
 		else
 			amdgpu_vm_bo_idle(&bo_va->base);

drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c

···
 		else
 			remaining_size -= size;
 	}
-	mutex_unlock(&mgr->lock);
 
 	if (bo->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS && adjust_dcc_size) {
 		struct drm_buddy_block *dcc_block;
···
 				     (u64)vres->base.size,
 				     &vres->blocks);
 	}
+	mutex_unlock(&mgr->lock);
 
 	vres->base.start = 0;
 	size = max_t(u64, amdgpu_vram_mgr_blocks_size(&vres->blocks),

drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c

···
 	if (amdgpu_sriov_vf(adev))
 		return 0;
 
-	switch (adev->ip_versions[GC_HWIP][0]) {
+	switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 	case IP_VERSION(12, 0, 0):
 	case IP_VERSION(12, 0, 1):
 		gfx_v12_0_update_gfx_clock_gating(adev,

drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.c

···
 	dev_err(adev->dev,
 		"MMVM_L2_PROTECTION_FAULT_STATUS_LO32:0x%08X\n",
 		status);
-	switch (adev->ip_versions[MMHUB_HWIP][0]) {
+	switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
 	case IP_VERSION(4, 1, 0):
 		mmhub_cid = mmhub_client_ids_v4_1_0[cid][rw];
 		break;

drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c

···
 	.ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK,
 };
 
+#define regRCC_DEV0_EPF6_STRAP4                                                                         0xd304
+#define regRCC_DEV0_EPF6_STRAP4_BASE_IDX                                                                5
+
 static void nbio_v7_0_init_registers(struct amdgpu_device *adev)
 {
+	uint32_t data;
+
+	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
+	case IP_VERSION(2, 5, 0):
+		data = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF6_STRAP4) & ~BIT(23);
+		WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF6_STRAP4, data);
+		break;
+	}
 }
 
 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)

drivers/gpu/drm/amd/amdgpu/nbio_v7_11.c

···
 	if (def != data)
 		WREG32_SOC15(NBIO, 0, regBIF_BIF256_CI256_RC3X4_USB4_PCIE_MST_CTRL_3, data);
 
-	switch (adev->ip_versions[NBIO_HWIP][0]) {
+	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
 	case IP_VERSION(7, 11, 0):
 	case IP_VERSION(7, 11, 1):
 	case IP_VERSION(7, 11, 2):

drivers/gpu/drm/amd/amdgpu/nbio_v7_7.c

···
 	if (def != data)
 		WREG32_SOC15(NBIO, 0, regBIF0_PCIE_MST_CTRL_3, data);
 
-	switch (adev->ip_versions[NBIO_HWIP][0]) {
+	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
 	case IP_VERSION(7, 7, 0):
 		data = RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF5_STRAP4) & ~BIT(23);
 		WREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF5_STRAP4, data);

drivers/gpu/drm/amd/amdkfd/kfd_debug.c

···
 {
 	uint32_t spi_dbg_cntl = pdd->spi_dbg_override | pdd->spi_dbg_launch_mode;
 	uint32_t flags = pdd->process->dbg_flags;
+	struct amdgpu_device *adev = pdd->dev->adev;
+	int r;
 
 	if (!kfd_dbg_is_per_vmid_supported(pdd->dev))
 		return 0;
+
+	if (!pdd->proc_ctx_cpu_ptr) {
+			r = amdgpu_amdkfd_alloc_gtt_mem(adev,
+				AMDGPU_MES_PROC_CTX_SIZE,
+				&pdd->proc_ctx_bo,
+				&pdd->proc_ctx_gpu_addr,
+				&pdd->proc_ctx_cpu_ptr,
+				false);
+		if (r) {
+			dev_err(adev->dev,
+			"failed to allocate process context bo\n");
+			return r;
+		}
+		memset(pdd->proc_ctx_cpu_ptr, 0, AMDGPU_MES_PROC_CTX_SIZE);
+	}
 
 	return amdgpu_mes_set_shader_debugger(pdd->dev->adev, pdd->proc_ctx_gpu_addr, spi_dbg_cntl,
 						pdd->watch_points, flags, sq_trap_en);

drivers/gpu/drm/amd/amdkfd/kfd_process.c

···
 	 */
 	synchronize_rcu();
 	ef = rcu_access_pointer(p->ef);
-	dma_fence_signal(ef);
+	if (ef)
+		dma_fence_signal(ef);
 
 	kfd_process_remove_sysfs(p);
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

···
 				 struct amdgpu_crtc *acrtc,
 				 struct dm_crtc_state *acrtc_state)
 {
-	/*
-	 * We have no guarantee that the frontend index maps to the same
-	 * backend index - some even map to more than one.
-	 *
-	 * TODO: Use a different interrupt or check DC itself for the mapping.
-	 */
-	int irq_type =
-		amdgpu_display_crtc_idx_to_irq_type(
-			adev,
-			acrtc->crtc_id);
 	struct drm_vblank_crtc_config config = {0};
 	struct dc_crtc_timing *timing;
 	int offdelay;
···
 
 		drm_crtc_vblank_on_config(&acrtc->base,
 					  &config);
-
-		amdgpu_irq_get(
-			adev,
-			&adev->pageflip_irq,
-			irq_type);
-#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
-		amdgpu_irq_get(
-			adev,
-			&adev->vline0_irq,
-			irq_type);
-#endif
 	} else {
-#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
-		amdgpu_irq_put(
-			adev,
-			&adev->vline0_irq,
-			irq_type);
-#endif
-		amdgpu_irq_put(
-			adev,
-			&adev->pageflip_irq,
-			irq_type);
 		drm_crtc_vblank_off(&acrtc->base);
 	}
 }
···
 	int plane_src_w, plane_src_h;
 
 	dm_get_oriented_plane_size(plane_state, &plane_src_w, &plane_src_h);
-	*out_plane_scale_w = plane_state->crtc_w * 1000 / plane_src_w;
-	*out_plane_scale_h = plane_state->crtc_h * 1000 / plane_src_h;
+	*out_plane_scale_w = plane_src_w ? plane_state->crtc_w * 1000 / plane_src_w : 0;
+	*out_plane_scale_h = plane_src_h ? plane_state->crtc_h * 1000 / plane_src_h : 0;
 }
 
 /*

drivers/gpu/drm/amd/display/dc/core/dc.c

···
 	struct pipe_split_policy_backup policy;
 	struct dc_state *intermediate_context;
 	struct dc_state *old_current_state = dc->current_state;
-	struct dc_surface_update srf_updates[MAX_SURFACE_NUM] = {0};
+	struct dc_surface_update srf_updates[MAX_SURFACES] = {0};
 	int surface_count;
 
 	/*

drivers/gpu/drm/amd/display/dc/core/dc_state.c

···
 	if (stream_status == NULL) {
 		dm_error("Existing stream not found; failed to attach surface!\n");
 		goto out;
-	} else if (stream_status->plane_count == MAX_SURFACE_NUM) {
+	} else if (stream_status->plane_count == MAX_SURFACES) {
 		dm_error("Surface: can not attach plane_state %p! Maximum is: %d\n",
-				plane_state, MAX_SURFACE_NUM);
+				plane_state, MAX_SURFACES);
 		goto out;
 	} else if (!otg_master_pipe) {
 		goto out;
···
 {
 	int i, old_plane_count;
 	struct dc_stream_status *stream_status = NULL;
-	struct dc_plane_state *del_planes[MAX_SURFACE_NUM] = { 0 };
+	struct dc_plane_state *del_planes[MAX_SURFACES] = { 0 };
 
 	for (i = 0; i < state->stream_count; i++)
 		if (state->streams[i] == stream) {
···
 {
 	int i, old_plane_count;
 	struct dc_stream_status *stream_status = NULL;
-	struct dc_plane_state *del_planes[MAX_SURFACE_NUM] = { 0 };
+	struct dc_plane_state *del_planes[MAX_SURFACES] = { 0 };
 
 	for (i = 0; i < state->stream_count; i++)
 		if (state->streams[i] == phantom_stream) {

drivers/gpu/drm/amd/display/dc/dc.h

···
 
 #define DC_VER "3.2.310"
 
-#define MAX_SURFACES 3
+#define MAX_SURFACES 4
 #define MAX_PLANES 6
 #define MAX_STREAMS 6
 #define MIN_VIEWPORT_SIZE 12
···
 	 * store current value in plane states so we can still recover
 	 * a valid current state during dc update.
 	 */
-	struct dc_plane_state plane_states[MAX_SURFACE_NUM];
+	struct dc_plane_state plane_states[MAX_SURFACES];
 
 	struct dc_stream_state stream_state;
 };

drivers/gpu/drm/amd/display/dc/dc_stream.h

···
 	int plane_count;
 	int audio_inst;
 	struct timing_sync_info timing_sync_info;
-	struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
+	struct dc_plane_state *plane_states[MAX_SURFACES];
 	bool is_abm_supported;
 	struct mall_stream_config mall_stream_config;
 	bool fpo_in_use;

drivers/gpu/drm/amd/display/dc/dc_types.h

···
 	unsigned long last_entry_write;
 };
 
-#define MAX_SURFACE_NUM 6
 #define NUM_PIXEL_FORMATS 10
 
 enum tiling_mode {

drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h

···
 
 static inline double dml_ceil(double a, double granularity)
 {
+	if (granularity == 0)
+		return 0;
 	return (double) dcn_bw_ceil2(a, granularity);
 }
 
 static inline double dml_floor(double a, double granularity)
 {
+	if (granularity == 0)
+		return 0;
 	return (double) dcn_bw_floor2(a, granularity);
 }
 
···
 
 static inline double dml_ceil_ex(double x, double granularity)
 {
+	if (granularity == 0)
+		return 0;
 	return (double) dcn_bw_ceil2(x, granularity);
 }
 
 static inline double dml_floor_ex(double x, double granularity)
 {
+	if (granularity == 0)
+		return 0;
 	return (double) dcn_bw_floor2(x, granularity);
 }
 

drivers/gpu/drm/amd/display/dc/dml2/dml2_mall_phantom.c

···
 {
 	int i, old_plane_count;
 	struct dc_stream_status *stream_status = NULL;
-	struct dc_plane_state *del_planes[MAX_SURFACE_NUM] = { 0 };
+	struct dc_plane_state *del_planes[MAX_SURFACES] = { 0 };
 
 	for (i = 0; i < context->stream_count; i++)
 			if (context->streams[i] == stream) {

drivers/gpu/drm/amd/pm/swsmu/inc/smu_v13_0.h

···
 int smu_v13_0_get_boot_freq_by_index(struct smu_context *smu,
 				     enum smu_clk_type clk_type,
 				     uint32_t *value);
+
+void smu_v13_0_interrupt_work(struct smu_context *smu);
 #endif
 #endif

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

···
 	return 0;
 }
 
-static int smu_v13_0_ack_ac_dc_interrupt(struct smu_context *smu)
+void smu_v13_0_interrupt_work(struct smu_context *smu)
 {
-	return smu_cmn_send_smc_msg(smu,
-				    SMU_MSG_ReenableAcDcInterrupt,
-				    NULL);
+	smu_cmn_send_smc_msg(smu,
+			     SMU_MSG_ReenableAcDcInterrupt,
+			     NULL);
 }
 
 #define THM_11_0__SRCID__THM_DIG_THERM_L2H		0		/* ASIC_TEMP > CG_THERMAL_INT.DIG_THERM_INTH  */
···
 			switch (ctxid) {
 			case SMU_IH_INTERRUPT_CONTEXT_ID_AC:
 				dev_dbg(adev->dev, "Switched to AC mode!\n");
-				smu_v13_0_ack_ac_dc_interrupt(smu);
+				schedule_work(&smu->interrupt_work);
 				adev->pm.ac_power = true;
 				break;
 			case SMU_IH_INTERRUPT_CONTEXT_ID_DC:
 				dev_dbg(adev->dev, "Switched to DC mode!\n");
-				smu_v13_0_ack_ac_dc_interrupt(smu);
+				schedule_work(&smu->interrupt_work);
 				adev->pm.ac_power = false;
 				break;
 			case SMU_IH_INTERRUPT_CONTEXT_ID_THERMAL_THROTTLING:

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c

···
 	.is_asic_wbrf_supported = smu_v13_0_0_wbrf_support_check,
 	.enable_uclk_shadow = smu_v13_0_enable_uclk_shadow,
 	.set_wbrf_exclusion_ranges = smu_v13_0_set_wbrf_exclusion_ranges,
+	.interrupt_work = smu_v13_0_interrupt_work,
 };
 
 void smu_v13_0_0_set_ppt_funcs(struct smu_context *smu)

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

···
 	.is_asic_wbrf_supported = smu_v13_0_7_wbrf_support_check,
 	.enable_uclk_shadow = smu_v13_0_enable_uclk_shadow,
 	.set_wbrf_exclusion_ranges = smu_v13_0_set_wbrf_exclusion_ranges,
+	.interrupt_work = smu_v13_0_interrupt_work,
 };
 
 void smu_v13_0_7_set_ppt_funcs(struct smu_context *smu)

drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_2_ppt.c

···
 {
 	struct amdgpu_device *adev = smu->adev;
 
-	if (adev->ip_versions[MP1_HWIP][0] == IP_VERSION(14, 0, 2))
+	if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(14, 0, 2))
 		return smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_EnableAllSmuFeatures,
 										   FEATURE_PWR_GFX, NULL);
 	else

drivers/gpu/drm/bridge/adv7511/adv7511_audio.c

···
 			   ADV7511_AUDIO_CFG3_LEN_MASK, len);
 	regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG,
 			   ADV7511_I2C_FREQ_ID_CFG_RATE_MASK, rate << 4);
-	regmap_write(adv7511->regmap, 0x73, 0x1);
+
+	/* send current Audio infoframe values while updating */
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE,
+			   BIT(5), BIT(5));
+
+	regmap_write(adv7511->regmap, ADV7511_REG_AUDIO_INFOFRAME(0), 0x1);
+
+	/* use Audio infoframe updated info */
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE,
+			   BIT(5), 0);
 
 	return 0;
 }
···
 	regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(0),
 				BIT(7) | BIT(6), BIT(7));
 	/* use Audio infoframe updated info */
-	regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1),
+	regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE,
 				BIT(5), 0);
+
 	/* enable SPDIF receiver */
 	if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
 		regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,

drivers/gpu/drm/bridge/adv7511/adv7511_drv.c

···
 		return ret;
 
 	ret = adv7511_init_regulators(adv7511);
-	if (ret)
-		return dev_err_probe(dev, ret, "failed to init regulators\n");
+	if (ret) {
+		dev_err_probe(dev, ret, "failed to init regulators\n");
+		goto err_of_node_put;
+	}
 
 	/*
 	 * The power down GPIO is optional. If present, toggle it from active to
···
 	i2c_unregister_device(adv7511->i2c_edid);
 uninit_regulators:
 	adv7511_uninit_regulators(adv7511);
+err_of_node_put:
+	of_node_put(adv7511->host_node);
 
 	return ret;
 }
···
 static void adv7511_remove(struct i2c_client *i2c)
 {
 	struct adv7511 *adv7511 = i2c_get_clientdata(i2c);
+
+	of_node_put(adv7511->host_node);
 
 	adv7511_uninit_regulators(adv7511);
 

drivers/gpu/drm/bridge/adv7511/adv7533.c

···
 
 	of_property_read_u32(np, "adi,dsi-lanes", &num_lanes);
 
-	if (num_lanes < 1 || num_lanes > 4)
+	if (num_lanes < 2 || num_lanes > 4)
 		return -EINVAL;
 
 	adv->num_dsi_lanes = num_lanes;
···
 	adv->host_node = of_graph_get_remote_node(np, 0, 0);
 	if (!adv->host_node)
 		return -ENODEV;
-
-	of_node_put(adv->host_node);
 
 	adv->use_timing_gen = !of_property_read_bool(np,
 						"adi,disable-timing-generator");

drivers/gpu/drm/display/drm_dp_tunnel.c

···
  *
  * Creates a DP tunnel manager for @dev.
  *
- * Returns a pointer to the tunnel manager if created successfully or NULL in
- * case of an error.
+ * Returns a pointer to the tunnel manager if created successfully or error
+ * pointer in case of failure.
  */
 struct drm_dp_tunnel_mgr *
 drm_dp_tunnel_mgr_create(struct drm_device *dev, int max_group_count)
···
 
 	mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
 	if (!mgr)
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 
 	mgr->dev = dev;
 	init_waitqueue_head(&mgr->bw_req_queue);
···
 	if (!mgr->groups) {
 		kfree(mgr);
 
-		return NULL;
+		return ERR_PTR(-ENOMEM);
 	}
 
 #ifdef CONFIG_DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG
···
 		if (!init_group(mgr, &mgr->groups[i])) {
 			destroy_mgr(mgr);
 
-			return NULL;
+			return ERR_PTR(-ENOMEM);
 		}
 
 		mgr->group_count++;

drivers/gpu/drm/drm_modes.c

···
  */
 int drm_mode_vrefresh(const struct drm_display_mode *mode)
 {
-	unsigned int num, den;
+	unsigned int num = 1, den = 1;
 
 	if (mode->htotal == 0 || mode->vtotal == 0)
 		return 0;
-
-	num = mode->clock;
-	den = mode->htotal * mode->vtotal;
 
 	if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 		num *= 2;
···
 		den *= 2;
 	if (mode->vscan > 1)
 		den *= mode->vscan;
+
+	if (check_mul_overflow(mode->clock, num, &num))
+		return 0;
+
+	if (check_mul_overflow(mode->htotal * mode->vtotal, den, &den))
+		return 0;
 
 	return DIV_ROUND_CLOSEST_ULL(mul_u32_u32(num, 1000), den);
 }

drivers/gpu/drm/i915/display/intel_cx0_phy.c

···
 		      0, C10_VDR_CTRL_MSGBUS_ACCESS,
 		      MB_WRITE_COMMITTED);
 
-	/* Custom width needs to be programmed to 0 for both the phy lanes */
-	intel_cx0_rmw(encoder, INTEL_CX0_BOTH_LANES, PHY_C10_VDR_CUSTOM_WIDTH,
-		      C10_VDR_CUSTOM_WIDTH_MASK, C10_VDR_CUSTOM_WIDTH_8_10,
-		      MB_WRITE_COMMITTED);
-	intel_cx0_rmw(encoder, INTEL_CX0_BOTH_LANES, PHY_C10_VDR_CONTROL(1),
-		      0, C10_VDR_CTRL_UPDATE_CFG,
-		      MB_WRITE_COMMITTED);
-
 	/* Program the pll values only for the master lane */
 	for (i = 0; i < ARRAY_SIZE(pll_state->pll); i++)
 		intel_cx0_write(encoder, INTEL_CX0_LANE0, PHY_C10_VDR_PLL(i),
···
 	intel_cx0_write(encoder, INTEL_CX0_LANE0, PHY_C10_VDR_CMN(0), pll_state->cmn, MB_WRITE_COMMITTED);
 	intel_cx0_write(encoder, INTEL_CX0_LANE0, PHY_C10_VDR_TX(0), pll_state->tx, MB_WRITE_COMMITTED);
 
+	/* Custom width needs to be programmed to 0 for both the phy lanes */
+	intel_cx0_rmw(encoder, INTEL_CX0_BOTH_LANES, PHY_C10_VDR_CUSTOM_WIDTH,
+		      C10_VDR_CUSTOM_WIDTH_MASK, C10_VDR_CUSTOM_WIDTH_8_10,
+		      MB_WRITE_COMMITTED);
 	intel_cx0_rmw(encoder, INTEL_CX0_LANE0, PHY_C10_VDR_CONTROL(1),
 		      0, C10_VDR_CTRL_MASTER_LANE | C10_VDR_CTRL_UPDATE_CFG,
 		      MB_WRITE_COMMITTED);

drivers/gpu/drm/i915/display/intel_hdcp.c

···
 		goto out;
 	}
 
-	intel_hdcp_update_value(connector,
-				DRM_MODE_CONTENT_PROTECTION_DESIRED,
-				true);
+	ret = intel_hdcp1_enable(connector);
+	if (ret) {
+		drm_err(display->drm, "Failed to enable hdcp (%d)\n", ret);
+		intel_hdcp_update_value(connector,
+					DRM_MODE_CONTENT_PROTECTION_DESIRED,
+					true);
+		goto out;
+	}
+
 out:
 	mutex_unlock(&dig_port->hdcp_mutex);
 	mutex_unlock(&hdcp->mutex);

drivers/gpu/drm/i915/gt/intel_engine_types.h

···
 	 * @start_gt_clk: GT clock time of last idle to active transition.
 	 */
 	u64 start_gt_clk;
+
+	/**
+	 * @total: The last value of total returned
+	 */
+	u64 total;
 };
 
 union intel_engine_tlb_inv_reg {

drivers/gpu/drm/i915/gt/intel_rc6.c

···
 			GEN9_MEDIA_PG_ENABLE |
 			GEN11_MEDIA_SAMPLER_PG_ENABLE;
 
-	if (GRAPHICS_VER(gt->i915) >= 12) {
+	if (GRAPHICS_VER(gt->i915) >= 12 && !IS_DG1(gt->i915)) {
 		for (i = 0; i < I915_MAX_VCS; i++)
 			if (HAS_ENGINE(gt, _VCS(i)))
 				pg_enable |= (VDN_HCP_POWERGATE_ENABLE(i) |

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

···
 	} while (++i < 6);
 }
 
+static void __set_engine_usage_record(struct intel_engine_cs *engine,
+				      u32 last_in, u32 id, u32 total)
+{
+	struct iosys_map rec_map = intel_guc_engine_usage_record_map(engine);
+
+#define record_write(map_, field_, val_) \
+	iosys_map_wr_field(map_, 0, struct guc_engine_usage_record, field_, val_)
+
+	record_write(&rec_map, last_switch_in_stamp, last_in);
+	record_write(&rec_map, current_context_index, id);
+	record_write(&rec_map, total_runtime, total);
+
+#undef record_write
+}
+
 static void guc_update_engine_gt_clks(struct intel_engine_cs *engine)
 {
 	struct intel_engine_guc_stats *stats = &engine->stats.guc;
···
 		total += intel_gt_clock_interval_to_ns(gt, clk);
 	}
 
+	if (total > stats->total)
+		stats->total = total;
+
 	spin_unlock_irqrestore(&guc->timestamp.lock, flags);
 
-	return ns_to_ktime(total);
+	return ns_to_ktime(stats->total);
 }
 
 static void guc_enable_busyness_worker(struct intel_guc *guc)
···
 
 	guc_update_pm_timestamp(guc, &unused);
 	for_each_engine(engine, gt, id) {
+		struct intel_engine_guc_stats *stats = &engine->stats.guc;
+
 		guc_update_engine_gt_clks(engine);
-		engine->stats.guc.prev_total = 0;
+
+		/*
+		 * If resetting a running context, accumulate the active
+		 * time as well since there will be no context switch.
+		 */
+		if (stats->running) {
+			u64 clk = guc->timestamp.gt_stamp - stats->start_gt_clk;
+
+			stats->total_gt_clks += clk;
+		}
+		stats->prev_total = 0;
+		stats->running = 0;
 	}
 
 	spin_unlock_irqrestore(&guc->timestamp.lock, flags);
···
 
 static int guc_action_enable_usage_stats(struct intel_guc *guc)
 {
+	struct intel_gt *gt = guc_to_gt(guc);
+	struct intel_engine_cs *engine;
+	enum intel_engine_id id;
 	u32 offset = intel_guc_engine_usage_offset(guc);
 	u32 action[] = {
 		INTEL_GUC_ACTION_SET_ENG_UTIL_BUFF,
 		offset,
 		0,
 	};
+
+	for_each_engine(engine, gt, id)
+		__set_engine_usage_record(engine, 0, 0xffffffff, 0);
 
 	return intel_guc_send(guc, action, ARRAY_SIZE(action));
 }

drivers/gpu/drm/mediatek/Kconfig

···
 	select DRM_BRIDGE_CONNECTOR
 	select DRM_MIPI_DSI
 	select DRM_PANEL
-	select MEMORY
-	select MTK_SMI
-	select PHY_MTK_MIPI_DSI
 	select VIDEOMODE_HELPERS
 	help
 	  Choose this option if you have a Mediatek SoCs.
···
 config DRM_MEDIATEK_DP
 	tristate "DRM DPTX Support for MediaTek SoCs"
 	depends on DRM_MEDIATEK
-	select PHY_MTK_DP
 	select DRM_DISPLAY_HELPER
 	select DRM_DISPLAY_DP_HELPER
 	select DRM_DISPLAY_DP_AUX_BUS
···
 	tristate "DRM HDMI Support for Mediatek SoCs"
 	depends on DRM_MEDIATEK
 	select SND_SOC_HDMI_CODEC if SND_SOC
-	select PHY_MTK_HDMI
 	help
 	  DRM/KMS HDMI driver for Mediatek SoCs

drivers/gpu/drm/mediatek/mtk_crtc.c

···
 
 	drm_crtc_handle_vblank(&mtk_crtc->base);
 
+#if IS_REACHABLE(CONFIG_MTK_CMDQ)
+	if (mtk_crtc->cmdq_client.chan)
+		return;
+#endif
+
 	spin_lock_irqsave(&mtk_crtc->config_lock, flags);
 	if (!mtk_crtc->config_updating && mtk_crtc->pending_needs_vblank) {
 		mtk_crtc_finish_page_flip(mtk_crtc);
···
 	state = to_mtk_crtc_state(mtk_crtc->base.state);
 
 	spin_lock_irqsave(&mtk_crtc->config_lock, flags);
-	if (mtk_crtc->config_updating) {
-		spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+	if (mtk_crtc->config_updating)
 		goto ddp_cmdq_cb_out;
-	}
 
 	state->pending_config = false;
 
···
 		mtk_crtc->pending_async_planes = false;
 	}
 
-	spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
-
 ddp_cmdq_cb_out:
+
+	if (mtk_crtc->pending_needs_vblank) {
+		mtk_crtc_finish_page_flip(mtk_crtc);
+		mtk_crtc->pending_needs_vblank = false;
+	}
+
+	spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
 
 	mtk_crtc->cmdq_vblank_cnt = 0;
 	wake_up(&mtk_crtc->cb_blocking_queue);
···
 		 */
 		mtk_crtc->cmdq_vblank_cnt = 3;
 
+		spin_lock_irqsave(&mtk_crtc->config_lock, flags);
+		mtk_crtc->config_updating = false;
+		spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+
 		mbox_send_message(mtk_crtc->cmdq_client.chan, cmdq_handle);
 		mbox_client_txdone(mtk_crtc->cmdq_client.chan, 0);
 	}
-#endif
+#else
 	spin_lock_irqsave(&mtk_crtc->config_lock, flags);
 	mtk_crtc->config_updating = false;
 	spin_unlock_irqrestore(&mtk_crtc->config_lock, flags);
+#endif
 
 	mutex_unlock(&mtk_crtc->hw_lock);
 }

drivers/gpu/drm/mediatek/mtk_disp_ovl.c

···
 	}
 }
 
+static void mtk_ovl_afbc_layer_config(struct mtk_disp_ovl *ovl,
+				      unsigned int idx,
+				      struct mtk_plane_pending_state *pending,
+				      struct cmdq_pkt *cmdq_pkt)
+{
+	unsigned int pitch_msb = pending->pitch >> 16;
+	unsigned int hdr_pitch = pending->hdr_pitch;
+	unsigned int hdr_addr = pending->hdr_addr;
+
+	if (pending->modifier != DRM_FORMAT_MOD_LINEAR) {
+		mtk_ddp_write_relaxed(cmdq_pkt, hdr_addr, &ovl->cmdq_reg, ovl->regs,
+				      DISP_REG_OVL_HDR_ADDR(ovl, idx));
+		mtk_ddp_write_relaxed(cmdq_pkt,
+				      OVL_PITCH_MSB_2ND_SUBBUF | pitch_msb,
+				      &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH_MSB(idx));
+		mtk_ddp_write_relaxed(cmdq_pkt, hdr_pitch, &ovl->cmdq_reg, ovl->regs,
+				      DISP_REG_OVL_HDR_PITCH(ovl, idx));
+	} else {
+		mtk_ddp_write_relaxed(cmdq_pkt, pitch_msb,
+				      &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH_MSB(idx));
+	}
+}
+
 void mtk_ovl_layer_config(struct device *dev, unsigned int idx,
 			  struct mtk_plane_state *state,
 			  struct cmdq_pkt *cmdq_pkt)
···
 	struct mtk_disp_ovl *ovl = dev_get_drvdata(dev);
 	struct mtk_plane_pending_state *pending = &state->pending;
 	unsigned int addr = pending->addr;
-	unsigned int hdr_addr = pending->hdr_addr;
-	unsigned int pitch = pending->pitch;
-	unsigned int hdr_pitch = pending->hdr_pitch;
+	unsigned int pitch_lsb = pending->pitch & GENMASK(15, 0);
 	unsigned int fmt = pending->format;
+	unsigned int rotation = pending->rotation;
 	unsigned int offset = (pending->y << 16) | pending->x;
 	unsigned int src_size = (pending->height << 16) | pending->width;
 	unsigned int blend_mode = state->base.pixel_blend_mode;
 	unsigned int ignore_pixel_alpha = 0;
 	unsigned int con;
-	bool is_afbc = pending->modifier != DRM_FORMAT_MOD_LINEAR;
-	union overlay_pitch {
-		struct split_pitch {
-			u16 lsb;
-			u16 msb;
-		} split_pitch;
-		u32 pitch;
-	} overlay_pitch;
-
-	overlay_pitch.pitch = pitch;
 
 	if (!pending->enable) {
 		mtk_ovl_layer_off(dev, idx, cmdq_pkt);
···
 			ignore_pixel_alpha = OVL_CONST_BLEND;
 	}
 
-	if (pending->rotation & DRM_MODE_REFLECT_Y) {
+	/*
+	 * Treat rotate 180 as flip x + flip y, and XOR the original rotation value
+	 * to flip x + flip y to support both in the same time.
+	 */
+	if (rotation & DRM_MODE_ROTATE_180)
+		rotation ^= DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y;
+
+	if (rotation & DRM_MODE_REFLECT_Y) {
 		con |= OVL_CON_VIRT_FLIP;
 		addr += (pending->height - 1) * pending->pitch;
 	}
 
-	if (pending->rotation & DRM_MODE_REFLECT_X) {
+	if (rotation & DRM_MODE_REFLECT_X) {
 		con |= OVL_CON_HORZ_FLIP;
 		addr += pending->pitch - 1;
 	}
 
 	if (ovl->data->supports_afbc)
-		mtk_ovl_set_afbc(ovl, cmdq_pkt, idx, is_afbc);
+		mtk_ovl_set_afbc(ovl, cmdq_pkt, idx,
+				 pending->modifier != DRM_FORMAT_MOD_LINEAR);
 
 	mtk_ddp_write_relaxed(cmdq_pkt, con, &ovl->cmdq_reg, ovl->regs,
 			      DISP_REG_OVL_CON(idx));
-	mtk_ddp_write_relaxed(cmdq_pkt, overlay_pitch.split_pitch.lsb | ignore_pixel_alpha,
+	mtk_ddp_write_relaxed(cmdq_pkt, pitch_lsb | ignore_pixel_alpha,
 			      &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH(idx));
 	mtk_ddp_write_relaxed(cmdq_pkt, src_size, &ovl->cmdq_reg, ovl->regs,
 			      DISP_REG_OVL_SRC_SIZE(idx));
···
 	mtk_ddp_write_relaxed(cmdq_pkt, addr, &ovl->cmdq_reg, ovl->regs,
 			      DISP_REG_OVL_ADDR(ovl, idx));
 
-	if (is_afbc) {
-		mtk_ddp_write_relaxed(cmdq_pkt, hdr_addr, &ovl->cmdq_reg, ovl->regs,
-				      DISP_REG_OVL_HDR_ADDR(ovl, idx));
-		mtk_ddp_write_relaxed(cmdq_pkt,
-				      OVL_PITCH_MSB_2ND_SUBBUF | overlay_pitch.split_pitch.msb,
-				      &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH_MSB(idx));
-		mtk_ddp_write_relaxed(cmdq_pkt, hdr_pitch, &ovl->cmdq_reg, ovl->regs,
-				      DISP_REG_OVL_HDR_PITCH(ovl, idx));
-	} else {
-		mtk_ddp_write_relaxed(cmdq_pkt,
-				      overlay_pitch.split_pitch.msb,
-				      &ovl->cmdq_reg, ovl->regs, DISP_REG_OVL_PITCH_MSB(idx));
-	}
+	if (ovl->data->supports_afbc)
+		mtk_ovl_afbc_layer_config(ovl, idx, pending, cmdq_pkt);
 
 	mtk_ovl_set_bit_depth(dev, idx, fmt, cmdq_pkt);
 	mtk_ovl_layer_on(dev, idx, cmdq_pkt);

drivers/gpu/drm/mediatek/mtk_dp.c

···
 				   enum dp_pixelformat color_format)
 {
 	u32 val;
-
-	/* update MISC0 */
-	mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3034,
-			   color_format << DP_TEST_COLOR_FORMAT_SHIFT,
-			   DP_TEST_COLOR_FORMAT_MASK);
+	u32 misc0_color;
 
 	switch (color_format) {
 	case DP_PIXELFORMAT_YUV422:
 		val = PIXEL_ENCODE_FORMAT_DP_ENC0_P0_YCBCR422;
+		misc0_color = DP_COLOR_FORMAT_YCbCr422;
 		break;
 	case DP_PIXELFORMAT_RGB:
 		val = PIXEL_ENCODE_FORMAT_DP_ENC0_P0_RGB;
+		misc0_color = DP_COLOR_FORMAT_RGB;
 		break;
 	default:
 		drm_warn(mtk_dp->drm_dev, "Unsupported color format: %d\n",
 			 color_format);
 		return -EINVAL;
 	}
+
+	/* update MISC0 */
+	mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3034,
+			   misc0_color,
+			   DP_TEST_COLOR_FORMAT_MASK);
 
 	mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_303C,
 			   val, PIXEL_ENCODE_FORMAT_DP_ENC0_P0_MASK);
···
 	struct mtk_dp *mtk_dp = mtk_dp_from_bridge(bridge);
 	enum drm_connector_status ret = connector_status_disconnected;
 	bool enabled = mtk_dp->enabled;
-	u8 sink_count = 0;
 
 	if (!mtk_dp->train_info.cable_plugged_in)
 		return ret;
···
 	 * function, we just need to check the HPD connection to check
 	 * whether we connect to a sink device.
 	 */
-	drm_dp_dpcd_readb(&mtk_dp->aux, DP_SINK_COUNT, &sink_count);
-	if (DP_GET_SINK_COUNT(sink_count))
+
+	if (drm_dp_read_sink_count(&mtk_dp->aux) > 0)
 		ret = connector_status_connected;
 
 	if (!enabled)
···
 {
 	struct mtk_dp *mtk_dp = mtk_dp_from_bridge(bridge);
 	u32 bpp = info->color_formats & DRM_COLOR_FORMAT_YCBCR422 ? 16 : 24;
-	u32 rate = min_t(u32, drm_dp_max_link_rate(mtk_dp->rx_cap) *
-			      drm_dp_max_lane_count(mtk_dp->rx_cap),
-			 drm_dp_bw_code_to_link_rate(mtk_dp->max_linkrate) *
-			 mtk_dp->max_lanes);
+	u32 lane_count_min = mtk_dp->train_info.lane_count;
+	u32 rate = drm_dp_bw_code_to_link_rate(mtk_dp->train_info.link_rate) *
+		   lane_count_min;
 
-	if (rate < mode->clock * bpp / 8)
+	/*
+	 *FEC overhead is approximately 2.4% from DP 1.4a spec 2.2.1.4.2.
+	 *The down-spread amplitude shall either be disabled (0.0%) or up
+	 *to 0.5% from 1.4a 3.5.2.6. Add up to approximately 3% total overhead.
+	 *
+	 *Because rate is already divided by 10,
+	 *mode->clock does not need to be multiplied by 10
+	 */
+	if ((rate * 97 / 100) < (mode->clock * bpp / 8))
 		return MODE_CLOCK_HIGH;
 
 	return MODE_OK;
···
 	struct drm_display_mode *mode = &crtc_state->adjusted_mode;
 	struct drm_display_info *display_info =
 		&conn_state->connector->display_info;
-	u32 rate = min_t(u32, drm_dp_max_link_rate(mtk_dp->rx_cap) *
-			      drm_dp_max_lane_count(mtk_dp->rx_cap),
-			 drm_dp_bw_code_to_link_rate(mtk_dp->max_linkrate) *
-			 mtk_dp->max_lanes);
+	u32 lane_count_min = mtk_dp->train_info.lane_count;
+	u32 rate = drm_dp_bw_code_to_link_rate(mtk_dp->train_info.link_rate) *
+		   lane_count_min;
 
 	*num_input_fmts = 0;
 
···
 	 * datarate of YUV422 and sink device supports YUV422, we output YUV422
 	 * format. Use this condition, we can support more resolution.
 	 */
-	if ((rate < (mode->clock * 24 / 8)) &&
-	    (rate > (mode->clock * 16 / 8)) &&
+	if (((rate * 97 / 100) < (mode->clock * 24 / 8)) &&
+	    ((rate * 97 / 100) > (mode->clock * 16 / 8)) &&
 	    (display_info->color_formats & DRM_COLOR_FORMAT_YCBCR422)) {
 		input_fmts = kcalloc(1, sizeof(*input_fmts), GFP_KERNEL);
 		if (!input_fmts)

drivers/gpu/drm/mediatek/mtk_drm_drv.c

···
 	struct mtk_drm_private *temp_drm_priv;
 	struct device_node *phandle = dev->parent->of_node;
 	const struct of_device_id *of_id;
+	struct device_node *node;
 	struct device *drm_dev;
 	unsigned int cnt = 0;
 	int i, j;
 
-	for_each_child_of_node_scoped(phandle->parent, node) {
+	for_each_child_of_node(phandle->parent, node) {
 		struct platform_device *pdev;
 
 		of_id = of_match_node(mtk_drm_of_ids, node);
···
 		if (temp_drm_priv->mtk_drm_bound)
 			cnt++;
 
-		if (cnt == MAX_CRTC)
+		if (cnt == MAX_CRTC) {
+			of_node_put(node);
 			break;
+		}
 	}
 
 	if (drm_priv->data->mmsys_dev_num == cnt) {
···
 err_free:
 	private->drm = NULL;
 	drm_dev_put(drm);
+	for (i = 0; i < private->data->mmsys_dev_num; i++)
+		private->all_drm_private[i]->drm = NULL;
 	return ret;
 }
 
···
 					 const unsigned int **out_path,
 					 unsigned int *out_path_len)
 {
-	struct device_node *next, *prev, *vdo = dev->parent->of_node;
+	struct device_node *next = NULL, *prev, *vdo = dev->parent->of_node;
 	unsigned int temp_path[DDP_COMPONENT_DRM_ID_MAX] = { 0 };
 	unsigned int *final_ddp_path;
 	unsigned short int idx = 0;
···
 		/* No devicetree graphs support: go with hardcoded paths if present */
 		dev_dbg(dev, "Using hardcoded paths for MMSYS %u\n", mtk_drm_data->mmsys_id);
 		private->data = mtk_drm_data;
-	};
+	}
 
 	private->all_drm_private = devm_kmalloc_array(dev, private->data->mmsys_dev_num,
 						      sizeof(*private->all_drm_private),

drivers/gpu/drm/mediatek/mtk_dsi.c

···
 #define CLK_HS_POST			GENMASK(15, 8)
 #define CLK_HS_EXIT			GENMASK(23, 16)
 
-#define DSI_VM_CMD_CON		0x130
+/* DSI_VM_CMD_CON */
 #define VM_CMD_EN			BIT(0)
 #define TS_VFP_EN			BIT(5)
 
-#define DSI_SHADOW_DEBUG	0x190U
+/* DSI_SHADOW_DEBUG */
 #define FORCE_COMMIT			BIT(0)
 #define BYPASS_SHADOW			BIT(1)
 
···
 
 struct mtk_dsi_driver_data {
 	const u32 reg_cmdq_off;
+	const u32 reg_vm_cmd_off;
+	const u32 reg_shadow_dbg_off;
 	bool has_shadow_ctl;
 	bool has_size_ctl;
 	bool cmdq_long_packet_ctl;
···
 	u32 data_rate_mhz = DIV_ROUND_UP(dsi->data_rate, HZ_PER_MHZ);
 	struct mtk_phy_timing *timing = &dsi->phy_timing;
 
-	timing->lpx = (80 * data_rate_mhz / (8 * 1000)) + 1;
-	timing->da_hs_prepare = (59 * data_rate_mhz + 4 * 1000) / 8000 + 1;
-	timing->da_hs_zero = (163 * data_rate_mhz + 11 * 1000) / 8000 + 1 -
+	timing->lpx = (60 * data_rate_mhz / (8 * 1000)) + 1;
+	timing->da_hs_prepare = (80 * data_rate_mhz + 4 * 1000) / 8000;
+	timing->da_hs_zero = (170 * data_rate_mhz + 10 * 1000) / 8000 + 1 -
 			     timing->da_hs_prepare;
-	timing->da_hs_trail = (78 * data_rate_mhz + 7 * 1000) / 8000 + 1;
+	timing->da_hs_trail = timing->da_hs_prepare + 1;
 
-	timing->ta_go = 4 * timing->lpx;
-	timing->ta_sure = 3 * timing->lpx / 2;
-	timing->ta_get = 5 * timing->lpx;
-	timing->da_hs_exit = (118 * data_rate_mhz / (8 * 1000)) + 1;
+	timing->ta_go = 4 * timing->lpx - 2;
+	timing->ta_sure = timing->lpx + 2;
+	timing->ta_get = 4 * timing->lpx;
+	timing->da_hs_exit = 2 * timing->lpx + 1;
 
-	timing->clk_hs_prepare = (57 * data_rate_mhz / (8 * 1000)) + 1;
-	timing->clk_hs_post = (65 * data_rate_mhz + 53 * 1000) / 8000 + 1;
-	timing->clk_hs_trail = (78 * data_rate_mhz + 7 * 1000) / 8000 + 1;
-	timing->clk_hs_zero = (330 * data_rate_mhz / (8 * 1000)) + 1 -
-			      timing->clk_hs_prepare;
-	timing->clk_hs_exit = (118 * data_rate_mhz / (8 * 1000)) + 1;
+	timing->clk_hs_prepare = 70 * data_rate_mhz / (8 * 1000);
+	timing->clk_hs_post = timing->clk_hs_prepare + 8;
+	timing->clk_hs_trail = timing->clk_hs_prepare;
+	timing->clk_hs_zero = timing->clk_hs_trail * 4;
+	timing->clk_hs_exit = 2 * timing->clk_hs_trail;
 
 	timcon0 = FIELD_PREP(LPX, timing->lpx) |
 		  FIELD_PREP(HS_PREP, timing->da_hs_prepare) |
···
 
 static void mtk_dsi_set_vm_cmd(struct mtk_dsi *dsi)
 {
-	mtk_dsi_mask(dsi, DSI_VM_CMD_CON, VM_CMD_EN, VM_CMD_EN);
-	mtk_dsi_mask(dsi, DSI_VM_CMD_CON, TS_VFP_EN, TS_VFP_EN);
+	mtk_dsi_mask(dsi, dsi->driver_data->reg_vm_cmd_off, VM_CMD_EN, VM_CMD_EN);
+	mtk_dsi_mask(dsi, dsi->driver_data->reg_vm_cmd_off, TS_VFP_EN, TS_VFP_EN);
 }
 
 static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)
···
 
 	if (dsi->driver_data->has_shadow_ctl)
 		writel(FORCE_COMMIT | BYPASS_SHADOW,
-		       dsi->regs + DSI_SHADOW_DEBUG);
+		       dsi->regs + dsi->driver_data->reg_shadow_dbg_off);
 
 	mtk_dsi_reset_engine(dsi);
 	mtk_dsi_phy_timconfig(dsi);
···
 
 static const struct mtk_dsi_driver_data mt8173_dsi_driver_data = {
 	.reg_cmdq_off = 0x200,
+	.reg_vm_cmd_off = 0x130,
+	.reg_shadow_dbg_off = 0x190
 };
 
 static const struct mtk_dsi_driver_data mt2701_dsi_driver_data = {
 	.reg_cmdq_off = 0x180,
+	.reg_vm_cmd_off = 0x130,
+	.reg_shadow_dbg_off = 0x190
 };
 
 static const struct mtk_dsi_driver_data mt8183_dsi_driver_data = {
 	.reg_cmdq_off = 0x200,
+	.reg_vm_cmd_off = 0x130,
+	.reg_shadow_dbg_off = 0x190,
 	.has_shadow_ctl = true,
 	.has_size_ctl = true,
 };
 
 static const struct mtk_dsi_driver_data mt8186_dsi_driver_data = {
 	.reg_cmdq_off = 0xd00,
+	.reg_vm_cmd_off = 0x200,
+	.reg_shadow_dbg_off = 0xc00,
 	.has_shadow_ctl = true,
 	.has_size_ctl = true,
 };
 
 static const struct mtk_dsi_driver_data mt8188_dsi_driver_data = {
 	.reg_cmdq_off = 0xd00,
+	.reg_vm_cmd_off = 0x200,
+	.reg_shadow_dbg_off = 0xc00,
 	.has_shadow_ctl = true,
 	.has_size_ctl = true,
 	.cmdq_long_packet_ctl = true,

drivers/gpu/drm/panel/panel-himax-hx83102.c

···
 	struct drm_display_mode *mode;
 
 	mode = drm_mode_duplicate(connector->dev, m);
+	if (!mode)
+		return -ENOMEM;
 
 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
 	drm_mode_set_name(mode);

drivers/gpu/drm/panel/panel-novatek-nt35950.c

···
 			return dev_err_probe(dev, -EPROBE_DEFER, "Cannot get secondary DSI host\n");
 
 		nt->dsi[1] = mipi_dsi_device_register_full(dsi_r_host, info);
-		if (!nt->dsi[1]) {
+		if (IS_ERR(nt->dsi[1])) {
 			dev_err(dev, "Cannot get secondary DSI node\n");
-			return -ENODEV;
+			return PTR_ERR(nt->dsi[1]);
 		}
 		num_dsis++;
 	}

drivers/gpu/drm/panel/panel-sitronix-st7701.c

···
 		return dev_err_probe(dev, ret, "Failed to get orientation\n");
 
 	drm_panel_init(&st7701->panel, dev, &st7701_funcs, connector_type);
+	st7701->panel.prepare_prev_first = true;
 
 	/**
 	 * Once sleep out has been issued, ST7701 IC required to wait 120ms

drivers/gpu/drm/panel/panel-synaptics-r63353.c

···
 {
 	struct r63353_panel *rpanel = mipi_dsi_get_drvdata(dsi);
 
-	r63353_panel_unprepare(&rpanel->base);
+	drm_panel_unprepare(&rpanel->base);
 }
 
 static const struct r63353_desc sharp_ls068b3sx02_data = {

drivers/gpu/drm/scheduler/sched_main.c

···
  * drm_sched_backend_ops.run_job(). Consequently, drm_sched_backend_ops.free_job()
  * will not be called for all jobs still in drm_gpu_scheduler.pending_list.
  * There is no solution for this currently. Thus, it is up to the driver to make
- * sure that
+ * sure that:
+ *
  *  a) drm_sched_fini() is only called after for all submitted jobs
  *     drm_sched_backend_ops.free_job() has been called or that
  *  b) the jobs for which drm_sched_backend_ops.free_job() has not been called

drivers/gpu/drm/xe/xe_bo.c

···
 	    new_mem->mem_type == XE_PL_SYSTEM) {
 		long timeout = dma_resv_wait_timeout(ttm_bo->base.resv,
 						     DMA_RESV_USAGE_BOOKKEEP,
-						     true,
+						     false,
 						     MAX_SCHEDULE_TIMEOUT);
 		if (timeout < 0) {
 			ret = timeout;
···
 
 out:
 	if ((!ttm_bo->resource || ttm_bo->resource->mem_type == XE_PL_SYSTEM) &&
-	    ttm_bo->ttm)
+	    ttm_bo->ttm) {
+		long timeout = dma_resv_wait_timeout(ttm_bo->base.resv,
+						     DMA_RESV_USAGE_KERNEL,
+						     false,
+						     MAX_SCHEDULE_TIMEOUT);
+		if (timeout < 0)
+			ret = timeout;
+
 		xe_tt_unmap_sg(ttm_bo->ttm);
+	}
 
 	return ret;
 }

drivers/gpu/drm/xe/xe_devcoredump.c

···
 	drm_puts(&p, "\n**** GuC CT ****\n");
 	xe_guc_ct_snapshot_print(ss->guc.ct, &p);
 
-	drm_puts(&p, "\n**** Contexts ****\n");
+	/*
+	 * Don't add a new section header here because the mesa debug decoder
+	 * tool expects the context information to be in the 'GuC CT' section.
+	 */
+	/* drm_puts(&p, "\n**** Contexts ****\n"); */
 	xe_guc_exec_queue_snapshot_print(ss->ge, &p);
 
 	drm_puts(&p, "\n**** Job ****\n");
···
 	const u32 *blob32 = (const u32 *)blob;
 	char buff[ASCII85_BUFSZ], *line_buff;
 	size_t line_pos = 0;
+
+	/*
+	 * Splitting blobs across multiple lines is not compatible with the mesa
+	 * debug decoder tool. Note that even dropping the explicit '\n' below
+	 * doesn't help because the GuC log is so big some underlying implementation
+	 * still splits the lines at 512K characters. So just bail completely for
+	 * the moment.
+	 */
+	return;
 
 #define DMESG_MAX_LINE_LEN	800
 #define MIN_SPACE		(ASCII85_BUFSZ + 2)		/* 85 + "\n\0" */

drivers/gpu/drm/xe/xe_exec_queue.c

···
 #include <linux/nospec.h>
 
 #include <drm/drm_device.h>
+#include <drm/drm_drv.h>
 #include <drm/drm_file.h>
 #include <uapi/drm/xe_drm.h>
 
···
  */
 void xe_exec_queue_update_run_ticks(struct xe_exec_queue *q)
 {
+	struct xe_device *xe = gt_to_xe(q->gt);
 	struct xe_file *xef;
 	struct xe_lrc *lrc;
 	u32 old_ts, new_ts;
+	int idx;
 
 	/*
 	 * Jobs that are run during driver load may use an exec_queue, but are
···
 	 * for kernel specific work.
 	 */
 	if (!q->vm || !q->vm->xef)
+		return;
+
+	/* Synchronize with unbind while holding the xe file open */
+	if (!drm_dev_enter(&xe->drm, &idx))
 		return;
 
 	xef = q->vm->xef;
···
 	lrc = q->lrc[0];
 	new_ts = xe_lrc_update_timestamp(lrc, &old_ts);
 	xef->run_ticks[q->class] += (new_ts - old_ts) * q->width;
+
+	drm_dev_exit(idx);
 }
 
 /**

drivers/gpu/drm/xe/xe_gt.c

···
 	xe_force_wake_init_gt(gt, gt_to_fw(gt));
 	spin_lock_init(&gt->global_invl_lock);
 
+	err = xe_gt_tlb_invalidation_init_early(gt);
+	if (err)
+		return err;
+
 	return 0;
 }
 
···
 		gt->ring_ops[i] = xe_ring_ops_get(gt, i);
 		xe_hw_fence_irq_init(&gt->fence_irq[i]);
 	}
-
-	err = xe_gt_tlb_invalidation_init(gt);
-	if (err)
-		return err;
 
 	err = xe_gt_pagefault_init(gt);
 	if (err)

drivers/gpu/drm/xe/xe_gt_idle.c

···
 	if (!xe_gt_is_media_type(gt))
 		gtidle->powergate_enable |= RENDER_POWERGATE_ENABLE;
 
-	for (i = XE_HW_ENGINE_VCS0, j = 0; i <= XE_HW_ENGINE_VCS7; ++i, ++j) {
-		if ((gt->info.engine_mask & BIT(i)))
-			gtidle->powergate_enable |= (VDN_HCP_POWERGATE_ENABLE(j) |
-						     VDN_MFXVDENC_POWERGATE_ENABLE(j));
+	if (xe->info.platform != XE_DG1) {
+		for (i = XE_HW_ENGINE_VCS0, j = 0; i <= XE_HW_ENGINE_VCS7; ++i, ++j) {
+			if ((gt->info.engine_mask & BIT(i)))
+				gtidle->powergate_enable |= (VDN_HCP_POWERGATE_ENABLE(j) |
+							     VDN_MFXVDENC_POWERGATE_ENABLE(j));
+		}
 	}
 
 	fw_ref = xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);

drivers/gpu/drm/xe/xe_gt_sriov_pf_config.c

···
 	valid_any = valid_any || (valid_ggtt && is_primary);
 
 	if (IS_DGFX(xe)) {
-		bool valid_lmem = pf_get_vf_config_ggtt(primary_gt, vfid);
+		bool valid_lmem = pf_get_vf_config_lmem(primary_gt, vfid);
 
 		valid_any = valid_any || (valid_lmem && is_primary);
 		valid_all = valid_all && valid_lmem;

drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c

···
 }
 
 /**
- * xe_gt_tlb_invalidation_init - Initialize GT TLB invalidation state
+ * xe_gt_tlb_invalidation_init_early - Initialize GT TLB invalidation state
  * @gt: graphics tile
  *
  * Initialize GT TLB invalidation state, purely software initialization, should
···
  *
  * Return: 0 on success, negative error code on error.
  */
-int xe_gt_tlb_invalidation_init(struct xe_gt *gt)
+int xe_gt_tlb_invalidation_init_early(struct xe_gt *gt)
 {
 	gt->tlb_invalidation.seqno = 1;
 	INIT_LIST_HEAD(&gt->tlb_invalidation.pending_fences);

drivers/gpu/drm/xe/xe_gt_tlb_invalidation.h

···
 struct xe_guc;
 struct xe_vma;
 
-int xe_gt_tlb_invalidation_init(struct xe_gt *gt);
+int xe_gt_tlb_invalidation_init_early(struct xe_gt *gt);
+
 void xe_gt_tlb_invalidation_reset(struct xe_gt *gt);
 int xe_gt_tlb_invalidation_ggtt(struct xe_gt *gt);
 int xe_gt_tlb_invalidation_vma(struct xe_gt *gt,

drivers/gpu/drm/xe/xe_oa.c

···
 	struct rcu_head rcu;
 };
 
-struct flex {
-	struct xe_reg reg;
-	u32 offset;
-	u32 value;
-};
-
 struct xe_oa_open_param {
 	struct xe_file *xef;
 	u32 oa_unit_id;
···
 	return ret;
 }
 
+static void xe_oa_lock_vma(struct xe_exec_queue *q)
+{
+	if (q->vm) {
+		down_read(&q->vm->lock);
+		xe_vm_lock(q->vm, false);
+	}
+}
+
+static void xe_oa_unlock_vma(struct xe_exec_queue *q)
+{
+	if (q->vm) {
+		xe_vm_unlock(q->vm);
+		up_read(&q->vm->lock);
+	}
+}
+
 static struct dma_fence *xe_oa_submit_bb(struct xe_oa_stream *stream, enum xe_oa_submit_deps deps,
 					 struct xe_bb *bb)
 {
+	struct xe_exec_queue *q = stream->exec_q ?: stream->k_exec_q;
 	struct xe_sched_job *job;
 	struct dma_fence *fence;
 	int err = 0;
 
-	/* Kernel configuration is issued on stream->k_exec_q, not stream->exec_q */
-	job = xe_bb_create_job(stream->k_exec_q, bb);
+	xe_oa_lock_vma(q);
+
+	job = xe_bb_create_job(q, bb);
 	if (IS_ERR(job)) {
 		err = PTR_ERR(job);
 		goto exit;
 	}
+	job->ggtt = true;
 
 	if (deps == XE_OA_SUBMIT_ADD_DEPS) {
 		for (int i = 0; i < stream->num_syncs && !err; i++)
···
 	fence = dma_fence_get(&job->drm.s_fence->finished);
 	xe_sched_job_push(job);
 
+	xe_oa_unlock_vma(q);
+
 	return fence;
 err_put_job:
 	xe_sched_job_put(job);
 exit:
+	xe_oa_unlock_vma(q);
 	return ERR_PTR(err);
 }
 
···
 	dma_fence_put(stream->last_fence);
 }
 
-static void xe_oa_store_flex(struct xe_oa_stream *stream, struct xe_lrc *lrc,
-			     struct xe_bb *bb, const struct flex *flex, u32 count)
-{
-	u32 offset = xe_bo_ggtt_addr(lrc->bo);
-
-	do {
-		bb->cs[bb->len++] = MI_STORE_DATA_IMM | MI_SDI_GGTT | MI_SDI_NUM_DW(1);
-		bb->cs[bb->len++] = offset + flex->offset * sizeof(u32);
-		bb->cs[bb->len++] = 0;
-		bb->cs[bb->len++] = flex->value;
-
-	} while (flex++, --count);
-}
-
-static int xe_oa_modify_ctx_image(struct xe_oa_stream *stream, struct xe_lrc *lrc,
-				  const struct flex *flex, u32 count)
+static int xe_oa_load_with_lri(struct xe_oa_stream *stream, struct xe_oa_reg *reg_lri, u32 count)
 {
 	struct dma_fence *fence;
 	struct xe_bb *bb;
 	int err;
 
-	bb = xe_bb_new(stream->gt, 4 * count, false);
+	bb = xe_bb_new(stream->gt, 2 * count + 1, false);
 	if (IS_ERR(bb)) {
 		err = PTR_ERR(bb);
 		goto exit;
 	}
 
-	xe_oa_store_flex(stream, lrc, bb, flex, count);
-
-	fence = xe_oa_submit_bb(stream, XE_OA_SUBMIT_NO_DEPS, bb);
-	if (IS_ERR(fence)) {
-		err = PTR_ERR(fence);
-		goto free_bb;
-	}
-	xe_bb_free(bb, fence);
-	dma_fence_put(fence);
-
-	return 0;
-free_bb:
-	xe_bb_free(bb, NULL);
-exit:
-	return err;
-}
-
-static int xe_oa_load_with_lri(struct xe_oa_stream *stream, struct xe_oa_reg *reg_lri)
-{
-	struct dma_fence *fence;
-	struct xe_bb *bb;
-	int err;
-
-	bb = xe_bb_new(stream->gt, 3, false);
-	if (IS_ERR(bb)) {
-		err = PTR_ERR(bb);
-		goto exit;
-	}
-
-	write_cs_mi_lri(bb, reg_lri, 1);
+	write_cs_mi_lri(bb, reg_lri, count);
 
 	fence = xe_oa_submit_bb(stream, XE_OA_SUBMIT_NO_DEPS, bb);
 	if (IS_ERR(fence)) {
···
 static int xe_oa_configure_oar_context(struct xe_oa_stream *stream, bool enable)
 {
 	const struct xe_oa_format *format = stream->oa_buffer.format;
-	struct xe_lrc *lrc = stream->exec_q->lrc[0];
-	u32 regs_offset = xe_lrc_regs_offset(lrc) / sizeof(u32);
 	u32 oacontrol = __format_to_oactrl(format, OAR_OACONTROL_COUNTER_SEL_MASK) |
 		(enable ? OAR_OACONTROL_COUNTER_ENABLE : 0);
 
-	struct flex regs_context[] = {
+	struct xe_oa_reg reg_lri[] = {
 		{
 			OACTXCONTROL(stream->hwe->mmio_base),
-			stream->oa->ctx_oactxctrl_offset[stream->hwe->class] + 1,
 			enable ? OA_COUNTER_RESUME : 0,
 		},
 		{
+			OAR_OACONTROL,
+			oacontrol,
+		},
+		{
 			RING_CONTEXT_CONTROL(stream->hwe->mmio_base),
-			regs_offset + CTX_CONTEXT_CONTROL,
-			_MASKED_BIT_ENABLE(CTX_CTRL_OAC_CONTEXT_ENABLE),
+			_MASKED_FIELD(CTX_CTRL_OAC_CONTEXT_ENABLE,
+				      enable ? CTX_CTRL_OAC_CONTEXT_ENABLE : 0)
 		},
 	};
-	struct xe_oa_reg reg_lri = { OAR_OACONTROL, oacontrol };
-	int err;
 
-	/* Modify stream hwe context image with regs_context */
-	err = xe_oa_modify_ctx_image(stream, stream->exec_q->lrc[0],
-				     regs_context, ARRAY_SIZE(regs_context));
-	if (err)
-		return err;
-
-	/* Apply reg_lri using LRI */
-	return xe_oa_load_with_lri(stream, &reg_lri);
+	return xe_oa_load_with_lri(stream, reg_lri, ARRAY_SIZE(reg_lri));
 }
 
 static int xe_oa_configure_oac_context(struct xe_oa_stream *stream, bool enable)
 {
 	const struct xe_oa_format *format = stream->oa_buffer.format;
-	struct xe_lrc *lrc = stream->exec_q->lrc[0];
-	u32 regs_offset = xe_lrc_regs_offset(lrc) / sizeof(u32);
 	u32 oacontrol = __format_to_oactrl(format, OAR_OACONTROL_COUNTER_SEL_MASK) |
 		(enable ? OAR_OACONTROL_COUNTER_ENABLE : 0);
-	struct flex regs_context[] = {
+	struct xe_oa_reg reg_lri[] = {
 		{
 			OACTXCONTROL(stream->hwe->mmio_base),
-			stream->oa->ctx_oactxctrl_offset[stream->hwe->class] + 1,
 			enable ? OA_COUNTER_RESUME : 0,
 		},
 		{
+			OAC_OACONTROL,
+			oacontrol
+		},
+		{
 			RING_CONTEXT_CONTROL(stream->hwe->mmio_base),
-			regs_offset + CTX_CONTEXT_CONTROL,
-			_MASKED_BIT_ENABLE(CTX_CTRL_OAC_CONTEXT_ENABLE) |
+			_MASKED_FIELD(CTX_CTRL_OAC_CONTEXT_ENABLE,
+				      enable ? CTX_CTRL_OAC_CONTEXT_ENABLE : 0) |
 			_MASKED_FIELD(CTX_CTRL_RUN_ALONE, enable ? CTX_CTRL_RUN_ALONE : 0),
 		},
 	};
-	struct xe_oa_reg reg_lri = { OAC_OACONTROL, oacontrol };
-	int err;
 
 	/* Set ccs select to enable programming of OAC_OACONTROL */
 	xe_mmio_write32(&stream->gt->mmio, __oa_regs(stream)->oa_ctrl,
 			__oa_ccs_select(stream));
 
-	/* Modify stream hwe context image with regs_context */
-	err = xe_oa_modify_ctx_image(stream, stream->exec_q->lrc[0],
-				     regs_context, ARRAY_SIZE(regs_context));
-	if (err)
-		return err;
-
-	/* Apply reg_lri using LRI */
-	return xe_oa_load_with_lri(stream, &reg_lri);
+	return xe_oa_load_with_lri(stream, reg_lri, ARRAY_SIZE(reg_lri));
 }
 
 static int xe_oa_configure_oa_context(struct xe_oa_stream *stream, bool enable)
···
 		if (XE_IOCTL_DBG(oa->xe, !param.exec_q))
 			return -ENOENT;
 
-		if (param.exec_q->width > 1)
-			drm_dbg(&oa->xe->drm, "exec_q->width > 1, programming only exec_q->lrc[0]\n");
+		if (XE_IOCTL_DBG(oa->xe, param.exec_q->width > 1))
+			return -EOPNOTSUPP;
 	}
 
 	/*

drivers/gpu/drm/xe/xe_ring_ops.c

···
 
 static u32 get_ppgtt_flag(struct xe_sched_job *job)
 {
-	return job->q->vm ? BIT(8) : 0;
+	if (job->q->vm && !job->ggtt)
+		return BIT(8);
+
+	return 0;
 }
 
 static int emit_copy_timestamp(struct xe_lrc *lrc, u32 *dw, int i)

drivers/gpu/drm/xe/xe_sched_job_types.h

···
 	u32 migrate_flush_flags;
 	/** @ring_ops_flush_tlb: The ring ops need to flush TLB before payload. */
 	bool ring_ops_flush_tlb;
+	/** @ggtt: mapped in ggtt. */
+	bool ggtt;
 	/** @ptrs: per instance pointers. */
 	struct xe_job_ptrs ptrs[];
 };

drivers/hv/hv_balloon.c

···
 		 * adding succeeded, it is ok to proceed even if the memory was
 		 * not onlined in time.
 		 */
-		wait_for_completion_timeout(&dm_device.ol_waitevent, 5 * HZ);
+		wait_for_completion_timeout(&dm_device.ol_waitevent, secs_to_jiffies(5));
 		post_status(&dm_device);
 	}
 }
···
 	struct hv_dynmem_device *dm = dm_dev;
 
 	while (!kthread_should_stop()) {
-		wait_for_completion_interruptible_timeout(&dm_device.config_event, 1 * HZ);
+		wait_for_completion_interruptible_timeout(&dm_device.config_event,
+								secs_to_jiffies(1));
 		/*
 		 * The host expects us to post information on the memory
 		 * pressure every second.
···
 	if (ret)
 		goto out;
 
-	t = wait_for_completion_timeout(&dm_device.host_event, 5 * HZ);
+	t = wait_for_completion_timeout(&dm_device.host_event, secs_to_jiffies(5));
 	if (t == 0) {
 		ret = -ETIMEDOUT;
 		goto out;
···
 	if (ret)
 		goto out;
 
-	t = wait_for_completion_timeout(&dm_device.host_event, 5 * HZ);
+	t = wait_for_completion_timeout(&dm_device.host_event, secs_to_jiffies(5));
 	if (t == 0) {
 		ret = -ETIMEDOUT;
 		goto out;

drivers/hv/hv_kvp.c

···
 		if (host_negotiatied == NEGO_NOT_STARTED) {
 			host_negotiatied = NEGO_IN_PROGRESS;
 			schedule_delayed_work(&kvp_host_handshake_work,
-				      HV_UTIL_NEGO_TIMEOUT * HZ);
+						secs_to_jiffies(HV_UTIL_NEGO_TIMEOUT));
 		}
 		return;
 	}
···
 		 */
 		schedule_work(&kvp_sendkey_work);
 		schedule_delayed_work(&kvp_timeout_work,
-					HV_UTIL_TIMEOUT * HZ);
+				      secs_to_jiffies(HV_UTIL_TIMEOUT));
 
 		return;
 
···
 	 */
 	kvp_transaction.state = HVUTIL_DEVICE_INIT;
 
+	return 0;
+}
+
+int
+hv_kvp_init_transport(void)
+{
 	hvt = hvutil_transport_init(kvp_devname, CN_KVP_IDX, CN_KVP_VAL,
 				    kvp_on_msg, kvp_on_reset);
 	if (!hvt)

drivers/hv/hv_snapshot.c

···
 	vss_transaction.state = HVUTIL_USERSPACE_REQ;
 
 	schedule_delayed_work(&vss_timeout_work, op == VSS_OP_FREEZE ?
-			VSS_FREEZE_TIMEOUT * HZ : HV_UTIL_TIMEOUT * HZ);
+				secs_to_jiffies(VSS_FREEZE_TIMEOUT) :
+				secs_to_jiffies(HV_UTIL_TIMEOUT));
 
 	rc = hvutil_transport_send(hvt, vss_msg, sizeof(*vss_msg), NULL);
 	if (rc) {
···
 	 */
 	vss_transaction.state = HVUTIL_DEVICE_INIT;
 
+	return 0;
+}
+
+int
+hv_vss_init_transport(void)
+{
 	hvt = hvutil_transport_init(vss_devname, CN_VSS_IDX, CN_VSS_VAL,
 				    vss_on_msg, vss_on_reset);
 	if (!hvt) {

drivers/hv/hv_util.c

···
 static struct hv_util_service util_kvp = {
 	.util_cb = hv_kvp_onchannelcallback,
 	.util_init = hv_kvp_init,
+	.util_init_transport = hv_kvp_init_transport,
 	.util_pre_suspend = hv_kvp_pre_suspend,
 	.util_pre_resume = hv_kvp_pre_resume,
 	.util_deinit = hv_kvp_deinit,
···
 static struct hv_util_service util_vss = {
 	.util_cb = hv_vss_onchannelcallback,
 	.util_init = hv_vss_init,
+	.util_init_transport = hv_vss_init_transport,
 	.util_pre_suspend = hv_vss_pre_suspend,
 	.util_pre_resume = hv_vss_pre_resume,
 	.util_deinit = hv_vss_deinit,
···
 	srv->channel = dev->channel;
 	if (srv->util_init) {
 		ret = srv->util_init(srv);
-		if (ret) {
-			ret = -ENODEV;
+		if (ret)
 			goto error1;
-		}
 	}
 
 	/*
···
 	if (ret)
 		goto error;
 
+	if (srv->util_init_transport) {
+		ret = srv->util_init_transport();
+		if (ret) {
+			vmbus_close(dev->channel);
+			goto error;
+		}
+	}
 	return 0;
 
 error:

drivers/hv/hyperv_vmbus.h

···
 void vmbus_on_msg_dpc(unsigned long data);
 
 int hv_kvp_init(struct hv_util_service *srv);
+int hv_kvp_init_transport(void);
 void hv_kvp_deinit(void);
 int hv_kvp_pre_suspend(void);
 int hv_kvp_pre_resume(void);
 void hv_kvp_onchannelcallback(void *context);
 
 int hv_vss_init(struct hv_util_service *srv);
+int hv_vss_init_transport(void);
 void hv_vss_deinit(void);
 int hv_vss_pre_suspend(void);
 int hv_vss_pre_resume(void);

drivers/hv/vmbus_drv.c

···
 	vmbus_request_offers();
 
 	if (wait_for_completion_timeout(
-		&vmbus_connection.ready_for_resume_event, 10 * HZ) == 0)
+		&vmbus_connection.ready_for_resume_event, secs_to_jiffies(10)) == 0)
 		pr_err("Some vmbus device is missing after suspending?\n");
 
 	/* Reset the event for the next suspend. */

drivers/hwmon/drivetemp.c

···
 {
 	u8 scsi_cmd[MAX_COMMAND_SIZE];
 	enum req_op op;
+	int err;
 
 	memset(scsi_cmd, 0, sizeof(scsi_cmd));
 	scsi_cmd[0] = ATA_16;
···
 	scsi_cmd[12] = lba_high;
 	scsi_cmd[14] = ata_command;
 
-	return scsi_execute_cmd(st->sdev, scsi_cmd, op, st->smartdata,
-				ATA_SECT_SIZE, HZ, 5, NULL);
+	err = scsi_execute_cmd(st->sdev, scsi_cmd, op, st->smartdata,
+			       ATA_SECT_SIZE, HZ, 5, NULL);
+	if (err > 0)
+		err = -EIO;
+	return err;
 }
 
 static int drivetemp_ata_command(struct drivetemp_data *st, u8 feature,

drivers/hwmon/tmp513.c

···
 	struct regmap *regmap;
 };
 
-// Set the shift based on the gain 8=4, 4=3, 2=2, 1=1
+// Set the shift based on the gain: 8 -> 1, 4 -> 2, 2 -> 3, 1 -> 4
 static inline u8 tmp51x_get_pga_shift(struct tmp51x_data *data)
 {
 	return 5 - ffs(data->pga_gain);
···
 		 * 2's complement number shifted by one to four depending
 		 * on the pga gain setting. 1lsb = 10uV
 		 */
-		*val = sign_extend32(regval, 17 - tmp51x_get_pga_shift(data));
+		*val = sign_extend32(regval,
+				     reg == TMP51X_SHUNT_CURRENT_RESULT ?
+				     16 - tmp51x_get_pga_shift(data) : 15);
 		*val = DIV_ROUND_CLOSEST(*val * 10 * MILLI, data->shunt_uohms);
 		break;
 	case TMP51X_BUS_VOLTAGE_RESULT:
···
 		break;
 	case TMP51X_BUS_CURRENT_RESULT:
 		// Current = (ShuntVoltage * CalibrationRegister) / 4096
-		*val = sign_extend32(regval, 16) * data->curr_lsb_ua;
+		*val = sign_extend32(regval, 15) * (long)data->curr_lsb_ua;
 		*val = DIV_ROUND_CLOSEST(*val, MILLI);
 		break;
 	case TMP51X_LOCAL_TEMP_RESULT:
···
 	case TMP51X_REMOTE_TEMP_LIMIT_2:
 	case TMP513_REMOTE_TEMP_LIMIT_3:
 		// 1lsb = 0.0625 degrees centigrade
-		*val = sign_extend32(regval, 16) >> TMP51X_TEMP_SHIFT;
+		*val = sign_extend32(regval, 15) >> TMP51X_TEMP_SHIFT;
 		*val = DIV_ROUND_CLOSEST(*val * 625, 10);
 		break;
 	case TMP51X_N_FACTOR_AND_HYST_1:

drivers/i2c/busses/i2c-imx.c

···
 	{ .compatible = "fsl,imx6sll-i2c", .data = &imx6_i2c_hwdata, },
 	{ .compatible = "fsl,imx6sx-i2c", .data = &imx6_i2c_hwdata, },
 	{ .compatible = "fsl,imx6ul-i2c", .data = &imx6_i2c_hwdata, },
+	{ .compatible = "fsl,imx7d-i2c", .data = &imx6_i2c_hwdata, },
 	{ .compatible = "fsl,imx7s-i2c", .data = &imx6_i2c_hwdata, },
 	{ .compatible = "fsl,imx8mm-i2c", .data = &imx6_i2c_hwdata, },
 	{ .compatible = "fsl,imx8mn-i2c", .data = &imx6_i2c_hwdata, },
···
 
 static int i2c_imx_bus_busy(struct imx_i2c_struct *i2c_imx, int for_busy, bool atomic)
 {
+	bool multi_master = i2c_imx->multi_master;
 	unsigned long orig_jiffies = jiffies;
 	unsigned int temp;
-
-	if (!i2c_imx->multi_master)
-		return 0;
 
 	while (1) {
 		temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2SR);
 
 		/* check for arbitration lost */
-		if (temp & I2SR_IAL) {
+		if (multi_master && (temp & I2SR_IAL)) {
 			i2c_imx_clear_irq(i2c_imx, I2SR_IAL);
 			return -EAGAIN;
 		}
 
-		if (for_busy && (temp & I2SR_IBB)) {
+		if (for_busy && (!multi_master || (temp & I2SR_IBB))) {
 			i2c_imx->stopped = 0;
 			break;
 		}

drivers/i2c/busses/i2c-microchip-corei2c.c

···
  * @base:		pointer to register struct
  * @dev:		device reference
  * @i2c_clk:		clock reference for i2c input clock
+ * @msg_queue:		pointer to the messages requiring sending
  * @buf:		pointer to msg buffer for easier use
  * @msg_complete:	xfer completion object
  * @adapter:		core i2c abstraction
  * @msg_err:		error code for completed message
  * @bus_clk_rate:	current i2c bus clock rate
  * @isr_status:		cached copy of local ISR status
+ * @total_num:		total number of messages to be sent/received
+ * @current_num:	index of the current message being sent/received
  * @msg_len:		number of bytes transferred in msg
  * @addr:		address of the current slave
+ * @restart_needed:	whether or not a repeated start is required after current message
  */
 struct mchp_corei2c_dev {
 	void __iomem *base;
 	struct device *dev;
 	struct clk *i2c_clk;
+	struct i2c_msg *msg_queue;
 	u8 *buf;
 	struct completion msg_complete;
 	struct i2c_adapter adapter;
 	int msg_err;
+	int total_num;
+	int current_num;
 	u32 bus_clk_rate;
 	u32 isr_status;
 	u16 msg_len;
 	u8 addr;
+	bool restart_needed;
 };
 
 static void mchp_corei2c_core_disable(struct mchp_corei2c_dev *idev)
···
 	return 0;
 }
 
+static void mchp_corei2c_next_msg(struct mchp_corei2c_dev *idev)
+{
+	struct i2c_msg *this_msg;
+	u8 ctrl;
+
+	if (idev->current_num >= idev->total_num) {
+		complete(&idev->msg_complete);
+		return;
+	}
+
+	/*
+	 * If there's been an error, the isr needs to return control
+	 * to the "main" part of the driver, so as not to keep sending
+	 * messages once it completes and clears the SI bit.
+	 */
+	if (idev->msg_err) {
+		complete(&idev->msg_complete);
+		return;
+	}
+
+	this_msg = idev->msg_queue++;
+
+	if (idev->current_num < (idev->total_num - 1)) {
+		struct i2c_msg *next_msg = idev->msg_queue;
+
+		idev->restart_needed = next_msg->flags & I2C_M_RD;
+	} else {
+		idev->restart_needed = false;
+	}
+
+	idev->addr = i2c_8bit_addr_from_msg(this_msg);
+	idev->msg_len = this_msg->len;
+	idev->buf = this_msg->buf;
+
+	ctrl = readb(idev->base + CORE_I2C_CTRL);
+	ctrl |= CTRL_STA;
+	writeb(ctrl, idev->base + CORE_I2C_CTRL);
+
+	idev->current_num++;
+}
+
 static irqreturn_t mchp_corei2c_handle_isr(struct mchp_corei2c_dev *idev)
 {
 	u32 status = idev->isr_status;
···
 		ctrl &= ~CTRL_STA;
 		writeb(idev->addr, idev->base + CORE_I2C_DATA);
 		writeb(ctrl, idev->base + CORE_I2C_CTRL);
-		if (idev->msg_len == 0)
-			finished = true;
 		break;
 	case STATUS_M_ARB_LOST:
 		idev->msg_err = -EAGAIN;
···
 		break;
 	case STATUS_M_SLAW_ACK:
 	case STATUS_M_TX_DATA_ACK:
-		if (idev->msg_len > 0)
+		if (idev->msg_len > 0) {
 			mchp_corei2c_fill_tx(idev);
-		else
-			last_byte = true;
+		} else {
+			if (idev->restart_needed)
+				finished = true;
+			else
+				last_byte = true;
+		}
 		break;
 	case STATUS_M_TX_DATA_NACK:
 	case STATUS_M_SLAR_NACK:
···
 		mchp_corei2c_stop(idev);
 
 	if (last_byte || finished)
-		complete(&idev->msg_complete);
+		mchp_corei2c_next_msg(idev);
 
 	return IRQ_HANDLED;
 }
···
 	return ret;
 }
 
-static int mchp_corei2c_xfer_msg(struct mchp_corei2c_dev *idev,
-				 struct i2c_msg *msg)
+static int mchp_corei2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
+			     int num)
 {
-	u8 ctrl;
+	struct mchp_corei2c_dev *idev = i2c_get_adapdata(adap);
+	struct i2c_msg *this_msg = msgs;
 	unsigned long time_left;
-
-	idev->addr = i2c_8bit_addr_from_msg(msg);
-	idev->msg_len = msg->len;
-	idev->buf = msg->buf;
-	idev->msg_err = 0;
-
-	reinit_completion(&idev->msg_complete);
+	u8 ctrl;
 
 	mchp_corei2c_core_enable(idev);
 
+	/*
+	 * The isr controls the flow of a transfer, this info needs to be saved
+	 * to a location that it can access the queue information from.
+	 */
+	idev->restart_needed = false;
+	idev->msg_queue = msgs;
+	idev->total_num = num;
+	idev->current_num = 0;
+
+	/*
+	 * But the first entry to the isr is triggered by the start in this
+	 * function, so the first message needs to be "dequeued".
+	 */
+	idev->addr = i2c_8bit_addr_from_msg(this_msg);
+	idev->msg_len = this_msg->len;
+	idev->buf = this_msg->buf;
+	idev->msg_err = 0;
+
+	if (idev->total_num > 1) {
+		struct i2c_msg *next_msg = msgs + 1;
+
+		idev->restart_needed = next_msg->flags & I2C_M_RD;
+	}
+
+	idev->current_num++;
+	idev->msg_queue++;
+
+	reinit_completion(&idev->msg_complete);
+
+	/*
+	 * Send the first start to pass control to the isr
+	 */
 	ctrl = readb(idev->base + CORE_I2C_CTRL);
 	ctrl |= CTRL_STA;
 	writeb(ctrl, idev->base + CORE_I2C_CTRL);
···
 	if (!time_left)
 		return -ETIMEDOUT;
 
-	return idev->msg_err;
-}
-
-static int mchp_corei2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs,
-			     int num)
-{
-	struct mchp_corei2c_dev *idev = i2c_get_adapdata(adap);
-	int i, ret;
-
-	for (i = 0; i < num; i++) {
-		ret = mchp_corei2c_xfer_msg(idev, msgs++);
-		if (ret)
-			return ret;
-	}
+	if (idev->msg_err)
+		return idev->msg_err;
 
 	return num;
 }

drivers/iio/adc/ad4695.c

···
 #define AD4695_T_WAKEUP_SW_MS		3
 #define AD4695_T_REFBUF_MS		100
 #define AD4695_T_REGCONFIG_NS		20
+#define AD4695_T_SCK_CNV_DELAY_NS	80
 #define AD4695_REG_ACCESS_SCLK_HZ	(10 * MEGA)
 
 /* Max number of voltage input channels. */
···
 	unsigned int vref_mv;
 	/* Common mode input pin voltage. */
 	unsigned int com_mv;
-	/* 1 per voltage and temperature chan plus 1 xfer to trigger 1st CNV */
-	struct spi_transfer buf_read_xfer[AD4695_MAX_CHANNELS + 2];
+	/*
+	 * 2 per voltage and temperature chan plus 1 xfer to trigger 1st
+	 * CNV. Excluding the trigger xfer, every 2nd xfer only serves
+	 * to control CS and add a delay between the last SCLK and next
+	 * CNV rising edges.
+	 */
+	struct spi_transfer buf_read_xfer[AD4695_MAX_CHANNELS * 2 + 3];
 	struct spi_message buf_read_msg;
 	/* Raw conversion data received. */
 	u8 buf[ALIGN((AD4695_MAX_CHANNELS + 2) * AD4695_MAX_CHANNEL_SIZE,
···
 	u8 temp_chan_bit = st->chip_info->num_voltage_inputs;
 	u32 bit, num_xfer, num_slots;
 	u32 temp_en = 0;
-	int ret;
+	int ret, rx_buf_offset = 0;
 
 	/*
 	 * We are using the advanced sequencer since it is the only way to read
···
 	iio_for_each_active_channel(indio_dev, bit) {
 		xfer = &st->buf_read_xfer[num_xfer];
 		xfer->bits_per_word = 16;
-		xfer->rx_buf = &st->buf[(num_xfer - 1) * 2];
+		xfer->rx_buf = &st->buf[rx_buf_offset];
 		xfer->len = 2;
-		xfer->cs_change = 1;
-		xfer->cs_change_delay.value = AD4695_T_CONVERT_NS;
-		xfer->cs_change_delay.unit = SPI_DELAY_UNIT_NSECS;
+		rx_buf_offset += xfer->len;
 
 		if (bit == temp_chan_bit) {
 			temp_en = 1;
···
 		}
 
 		num_xfer++;
+
+		/*
+		 * We need to add a blank xfer in data reads, to meet the timing
+		 * requirement of a minimum delay between the last SCLK rising
+		 * edge and the CS deassert.
+		 */
+		xfer = &st->buf_read_xfer[num_xfer];
+		xfer->delay.value = AD4695_T_SCK_CNV_DELAY_NS;
+		xfer->delay.unit = SPI_DELAY_UNIT_NSECS;
+		xfer->cs_change = 1;
+		xfer->cs_change_delay.value = AD4695_T_CONVERT_NS;
+		xfer->cs_change_delay.unit = SPI_DELAY_UNIT_NSECS;
+
+		num_xfer++;
 	}
 
 	/*
 	 * The advanced sequencer requires that at least 2 slots are enabled.
 	 * Since slot 0 is always used for other purposes, we need only 1
-	 * enabled voltage channel to meet this requirement. If the temperature
-	 * channel is the only enabled channel, we need to add one more slot
-	 * in the sequence but not read from it.
+	 * enabled voltage channel to meet this requirement.  If the temperature
+	 * channel is the only enabled channel, we need to add one more slot in
+	 * the sequence but not read from it. This is because the temperature
+	 * sensor is sampled at the end of the channel sequence in advanced
+	 * sequencer mode (see datasheet page 38).
+	 *
+	 * From the iio_for_each_active_channel() block above, we now have an
+	 * xfer with data followed by a blank xfer to allow us to meet the
+	 * timing spec, so move both of those up before adding an extra to
+	 * handle the temperature-only case.
 	 */
 	if (num_slots < 2) {
-		/* move last xfer so we can insert one more xfer before it */
-		st->buf_read_xfer[num_xfer] = *xfer;
+		/* Move last two xfers */
+		st->buf_read_xfer[num_xfer] = st->buf_read_xfer[num_xfer - 1];
+		st->buf_read_xfer[num_xfer - 1] = st->buf_read_xfer[num_xfer - 2];
 		num_xfer++;
 
-		/* modify 2nd to last xfer for extra slot */
+		/* Modify inserted xfer for extra slot. */
+		xfer = &st->buf_read_xfer[num_xfer - 3];
 		memset(xfer, 0, sizeof(*xfer));
 		xfer->cs_change = 1;
 		xfer->delay.value = st->chip_info->t_acq_ns;
···
 			return ret;
 
 		num_slots++;
+
+		/*
+		 * We still want to point at the last xfer when finished, so
+		 * update the pointer.
+		 */
+		xfer = &st->buf_read_xfer[num_xfer - 1];
 	}
 
 	/*
···
  */
 static int ad4695_read_one_sample(struct ad4695_state *st, unsigned int address)
 {
-	struct spi_transfer xfer[2] = { };
-	int ret, i = 0;
+	struct spi_transfer xfers[2] = {
+		{
+			.speed_hz = AD4695_REG_ACCESS_SCLK_HZ,
+			.bits_per_word = 16,
+			.tx_buf = &st->cnv_cmd,
+			.len = 2,
+		},
+		{
+			/* Required delay between last SCLK and CNV/CS */
+			.delay.value = AD4695_T_SCK_CNV_DELAY_NS,
+			.delay.unit = SPI_DELAY_UNIT_NSECS,
+		}
+	};
+	int ret;
 
 	ret = ad4695_set_single_cycle_mode(st, address);
 	if (ret)
···
 
 	/*
 	 * Setting the first channel to the temperature channel isn't supported
-	 * in single-cycle mode, so we have to do an extra xfer to read the
-	 * temperature.
+	 * in single-cycle mode, so we have to do an extra conversion to read
+	 * the temperature.
 	 */
 	if (address == AD4695_CMD_TEMP_CHAN) {
-		/* We aren't reading, so we can make this a short xfer. */
-		st->cnv_cmd2 = AD4695_CMD_TEMP_CHAN << 3;
-		xfer[0].tx_buf = &st->cnv_cmd2;
-		xfer[0].len = 1;
-		xfer[0].cs_change = 1;
-		xfer[0].cs_change_delay.value = AD4695_T_CONVERT_NS;
-		xfer[0].cs_change_delay.unit = SPI_DELAY_UNIT_NSECS;
+		st->cnv_cmd = AD4695_CMD_TEMP_CHAN << 11;
 
-		i = 1;
+		ret = spi_sync_transfer(st->spi, xfers, ARRAY_SIZE(xfers));
+		if (ret)
+			return ret;
 	}
 
 	/* Then read the result and exit conversion mode. */
 	st->cnv_cmd = AD4695_CMD_EXIT_CNV_MODE << 11;
-	xfer[i].bits_per_word = 16;
-	xfer[i].tx_buf = &st->cnv_cmd;
-	xfer[i].rx_buf = &st->raw_data;
-	xfer[i].len = 2;
+	xfers[0].rx_buf = &st->raw_data;
 
-	return spi_sync_transfer(st->spi, xfer, i + 1);
+	return spi_sync_transfer(st->spi, xfers, ARRAY_SIZE(xfers));
 }
 
 static int ad4695_read_raw(struct iio_dev *indio_dev,

drivers/iio/adc/ad7124.c

···
 		 * set all channels to this default value.
 		 */
 		ad7124_set_channel_odr(st, i, 10);
+
+		/* Disable all channels to prevent unintended conversions. */
+		ad_sd_write_reg(&st->sd, AD7124_CHANNEL(i), 2, 0);
 	}
 
 	ret = ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, 2, st->adc_control);

drivers/iio/adc/ad7173.c

···
 
 struct ad7173_state {
 	struct ad_sigma_delta sd;
+	struct ad_sigma_delta_info sigma_delta_info;
 	const struct ad7173_device_info *info;
 	struct ad7173_channel *channels;
 	struct regulator_bulk_data regulators[3];
···
 	return ad_sd_write_reg(sd, AD7173_REG_CH(chan), 2, 0);
 }
 
-static struct ad_sigma_delta_info ad7173_sigma_delta_info = {
+static const struct ad_sigma_delta_info ad7173_sigma_delta_info = {
 	.set_channel = ad7173_set_channel,
 	.append_status = ad7173_append_status,
 	.disable_all = ad7173_disable_all,
···
 	if (ret < 0)
 		return dev_err_probe(dev, ret, "Interrupt 'rdy' is required\n");
 
-	ad7173_sigma_delta_info.irq_line = ret;
+	st->sigma_delta_info.irq_line = ret;
 
 	return ad7173_fw_parse_channel_config(indio_dev);
 }
···
 	spi->mode = SPI_MODE_3;
 	spi_setup(spi);
 
-	ad7173_sigma_delta_info.num_slots = st->info->num_configs;
-	ret = ad_sd_init(&st->sd, indio_dev, spi, &ad7173_sigma_delta_info);
+	st->sigma_delta_info = ad7173_sigma_delta_info;
+	st->sigma_delta_info.num_slots = st->info->num_configs;
+	ret = ad_sd_init(&st->sd, indio_dev, spi, &st->sigma_delta_info);
 	if (ret)
 		return ret;
 

drivers/iio/adc/ad9467.c

···
 	return 0;
 }
 
-static struct iio_info ad9467_info = {
+static const struct iio_info ad9467_info = {
 	.read_raw = ad9467_read_raw,
 	.write_raw = ad9467_write_raw,
 	.update_scan_mode = ad9467_update_scan_mode,
 	.debugfs_reg_access = ad9467_reg_access,
 	.read_avail = ad9467_read_avail,
+};
+
+/* Same as above, but without .read_avail */
+static const struct iio_info ad9467_info_no_read_avail = {
+	.read_raw = ad9467_read_raw,
+	.write_raw = ad9467_write_raw,
+	.update_scan_mode = ad9467_update_scan_mode,
+	.debugfs_reg_access = ad9467_reg_access,
 };
 
 static int ad9467_scale_fill(struct ad9467_state *st)
···
 	}
 
 	if (st->info->num_scales > 1)
-		ad9467_info.read_avail = ad9467_read_avail;
+		indio_dev->info = &ad9467_info;
+	else
+		indio_dev->info = &ad9467_info_no_read_avail;
 	indio_dev->name = st->info->name;
 	indio_dev->channels = st->info->channels;
 	indio_dev->num_channels = st->info->num_channels;
-	indio_dev->info = &ad9467_info;
 
 	ret = ad9467_iio_backend_get(st);
 	if (ret)

drivers/iio/adc/at91_adc.c

···
 	return ret;
 
 err:
-	input_free_device(st->ts_input);
+	input_free_device(input);
 	return ret;
 }
 

drivers/iio/adc/rockchip_saradc.c

···
 	int ret;
 	int i, j = 0;
 
+	memset(&data, 0, sizeof(data));
+
 	mutex_lock(&info->lock);
 
 	iio_for_each_active_channel(i_dev, i) {

drivers/iio/adc/stm32-dfsdm-adc.c

···
 		return -EINVAL;
 	}
 
-	ret = fwnode_property_read_string(node, "label", &ch->datasheet_name);
-	if (ret < 0) {
-		dev_err(&indio_dev->dev,
-			" Error parsing 'label' for idx %d\n", ch->channel);
-		return ret;
+	if (fwnode_property_present(node, "label")) {
+		/* label is optional */
+		ret = fwnode_property_read_string(node, "label", &ch->datasheet_name);
+		if (ret < 0) {
+			dev_err(&indio_dev->dev,
+				" Error parsing 'label' for idx %d\n", ch->channel);
+			return ret;
+		}
 	}
 
 	df_ch =  &dfsdm->ch_list[ch->channel];

drivers/iio/adc/ti-ads1119.c

···
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct ads1119_state *st = iio_priv(indio_dev);
 	struct {
-		unsigned int sample;
+		s16 sample;
 		s64 timestamp __aligned(8);
 	} scan;
 	unsigned int index;
 	int ret;
+
+	memset(&scan, 0, sizeof(scan));
 
 	if (!iio_trigger_using_own(indio_dev)) {
 		index = find_first_bit(indio_dev->active_scan_mask,

drivers/iio/adc/ti-ads124s08.c

···
 	struct ads124s_private *priv = iio_priv(indio_dev);
 
 	if (priv->reset_gpio) {
-		gpiod_set_value(priv->reset_gpio, 0);
+		gpiod_set_value_cansleep(priv->reset_gpio, 0);
 		udelay(200);
-		gpiod_set_value(priv->reset_gpio, 1);
+		gpiod_set_value_cansleep(priv->reset_gpio, 1);
 	} else {
 		return ads124s_write_cmd(indio_dev, ADS124S08_CMD_RESET);
 	}

drivers/iio/adc/ti-ads1298.c

···
 	}
 	indio_dev->name = devm_kasprintf(dev, GFP_KERNEL, "ads129%u%s",
 					 indio_dev->num_channels, suffix);
+	if (!indio_dev->name)
+		return -ENOMEM;
 
 	/* Enable internal test signal, double amplitude, double frequency */
 	ret = regmap_write(priv->regmap, ADS1298_REG_CONFIG2,

drivers/iio/adc/ti-ads8688.c

···
 	struct iio_poll_func *pf = p;
 	struct iio_dev *indio_dev = pf->indio_dev;
 	/* Ensure naturally aligned timestamp */
-	u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)] __aligned(8);
+	u16 buffer[ADS8688_MAX_CHANNELS + sizeof(s64)/sizeof(u16)] __aligned(8) = { };
 	int i, j = 0;
 
 	iio_for_each_active_channel(indio_dev, i) {

drivers/iio/dummy/iio_simple_dummy_buffer.c

···
 	int i = 0, j;
 	u16 *data;
 
-	data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
+	data = kzalloc(indio_dev->scan_bytes, GFP_KERNEL);
 	if (!data)
 		goto done;
 

drivers/iio/gyro/fxas21002c_core.c

···
 	int ret;
 
 	mutex_lock(&data->lock);
-	ret = regmap_bulk_read(data->regmap, FXAS21002C_REG_OUT_X_MSB,
-			       data->buffer, CHANNEL_SCAN_MAX * sizeof(s16));
+	ret = fxas21002c_pm_get(data);
 	if (ret < 0)
 		goto out_unlock;
 
+	ret = regmap_bulk_read(data->regmap, FXAS21002C_REG_OUT_X_MSB,
+			       data->buffer, CHANNEL_SCAN_MAX * sizeof(s16));
+	if (ret < 0)
+		goto out_pm_put;
+
 	iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
 					   data->timestamp);
+
+out_pm_put:
+	fxas21002c_pm_put(data);
 
 out_unlock:
 	mutex_unlock(&data->lock);

drivers/iio/imu/inv_icm42600/inv_icm42600.h

···
 typedef int (*inv_icm42600_bus_setup)(struct inv_icm42600_state *);
 
 extern const struct regmap_config inv_icm42600_regmap_config;
+extern const struct regmap_config inv_icm42600_spi_regmap_config;
 extern const struct dev_pm_ops inv_icm42600_pm_ops;
 
 const struct iio_mount_matrix *

drivers/iio/imu/inv_icm42600/inv_icm42600_core.c

···
 };
 EXPORT_SYMBOL_NS_GPL(inv_icm42600_regmap_config, "IIO_ICM42600");
 
+/* define specific regmap for SPI not supporting burst write */
+const struct regmap_config inv_icm42600_spi_regmap_config = {
+	.name = "inv_icm42600",
+	.reg_bits = 8,
+	.val_bits = 8,
+	.max_register = 0x4FFF,
+	.ranges = inv_icm42600_regmap_ranges,
+	.num_ranges = ARRAY_SIZE(inv_icm42600_regmap_ranges),
+	.volatile_table = inv_icm42600_regmap_volatile_accesses,
+	.rd_noinc_table = inv_icm42600_regmap_rd_noinc_accesses,
+	.cache_type = REGCACHE_RBTREE,
+	.use_single_write = true,
+};
+EXPORT_SYMBOL_NS_GPL(inv_icm42600_spi_regmap_config, "IIO_ICM42600");
+
 struct inv_icm42600_hw {
 	uint8_t whoami;
 	const char *name;
···
 static int inv_icm42600_resume(struct device *dev)
 {
 	struct inv_icm42600_state *st = dev_get_drvdata(dev);
+	struct inv_icm42600_sensor_state *gyro_st = iio_priv(st->indio_gyro);
+	struct inv_icm42600_sensor_state *accel_st = iio_priv(st->indio_accel);
 	int ret;
 
 	mutex_lock(&st->lock);
···
 		goto out_unlock;
 
 	/* restore FIFO data streaming */
-	if (st->fifo.on)
+	if (st->fifo.on) {
+		inv_sensors_timestamp_reset(&gyro_st->ts);
+		inv_sensors_timestamp_reset(&accel_st->ts);
 		ret = regmap_write(st->map, INV_ICM42600_REG_FIFO_CONFIG,
 				   INV_ICM42600_FIFO_CONFIG_STREAM);
+	}
 
 out_unlock:
 	mutex_unlock(&st->lock);

drivers/iio/imu/inv_icm42600/inv_icm42600_spi.c

···
 		return -EINVAL;
 	chip = (uintptr_t)match;
 
-	regmap = devm_regmap_init_spi(spi, &inv_icm42600_regmap_config);
+	/* use SPI specific regmap */
+	regmap = devm_regmap_init_spi(spi, &inv_icm42600_spi_regmap_config);
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);
 

drivers/iio/imu/kmx61.c

···
 	struct kmx61_data *data = kmx61_get_data(indio_dev);
 	int bit, ret, i = 0;
 	u8 base;
-	s16 buffer[8];
+	s16 buffer[8] = { };
 
 	if (indio_dev == data->acc_indio_dev)
 		base = KMX61_ACC_XOUT_L;

drivers/iio/inkern.c

···
 	return_ptr(chans);
 
 error_free_chans:
-	for (i = 0; i < nummaps; i++)
+	for (i = 0; i < mapind; i++)
 		iio_device_put(chans[i].indio_dev);
 	return ERR_PTR(ret);
 }

drivers/iio/light/bh1745.c

···
 	int i;
 	int j = 0;
 
+	memset(&scan, 0, sizeof(scan));
+
 	iio_for_each_active_channel(indio_dev, i) {
 		ret = regmap_bulk_read(data->regmap, BH1745_RED_LSB + 2 * i,
 				       &value, 2);

drivers/iio/light/vcnl4035.c

···
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct vcnl4035_data *data = iio_priv(indio_dev);
 	/* Ensure naturally aligned timestamp */
-	u8 buffer[ALIGN(sizeof(u16), sizeof(s64)) + sizeof(s64)]  __aligned(8);
+	u8 buffer[ALIGN(sizeof(u16), sizeof(s64)) + sizeof(s64)]  __aligned(8) = { };
 	int ret;
 
 	ret = regmap_read(data->regmap, VCNL4035_ALS_DATA, (int *)buffer);

drivers/iio/pressure/zpa2326.c

···
 	}   sample;
 	int err;
 
+	memset(&sample, 0, sizeof(sample));
+
 	if (test_bit(0, indio_dev->active_scan_mask)) {
 		/* Get current pressure from hardware FIFO. */
 		err = zpa2326_dequeue_pressure(indio_dev, &sample.pressure);

drivers/iio/temperature/tmp006.c

···
 	} scan;
 	s32 ret;
 
+	memset(&scan, 0, sizeof(scan));
+
 	ret = i2c_smbus_read_word_data(data->client, TMP006_VOBJECT);
 	if (ret < 0)
 		goto err;

drivers/iio/test/Kconfig

···
 
 # Keep in alphabetical order
 config IIO_GTS_KUNIT_TEST
-	tristate "Test IIO formatting functions" if !KUNIT_ALL_TESTS
+	tristate "Test IIO gain-time-scale helpers" if !KUNIT_ALL_TESTS
 	depends on KUNIT
 	select IIO_GTS_HELPER
 	select TEST_KUNIT_DEVICE_HELPERS

drivers/iio/test/iio-test-rescale.c

···
 	int rel_ppm;
 	int ret;
 
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buff);
+
 	rescale.numerator = t->numerator;
 	rescale.denominator = t->denominator;
 	rescale.offset = t->offset;
···
 	struct rescale rescale;
 	int values[2];
 	int ret;
+
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buff_off);
 
 	rescale.numerator = t->numerator;
 	rescale.denominator = t->denominator;

drivers/infiniband/core/cma.c

···
 	int bound_if_index = dev_addr->bound_dev_if;
 	int dev_type = dev_addr->dev_type;
 	struct net_device *ndev = NULL;
+	struct net_device *pdev = NULL;
 
 	if (!rdma_dev_access_netns(device, id_priv->id.route.addr.dev_addr.net))
 		goto out;
···
 
 		rcu_read_lock();
 		ndev = rcu_dereference(sgid_attr->ndev);
+		if (ndev->ifindex != bound_if_index) {
+			pdev = dev_get_by_index_rcu(dev_addr->net, bound_if_index);
+			if (pdev) {
+				if (is_vlan_dev(pdev)) {
+					pdev = vlan_dev_real_dev(pdev);
+					if (ndev->ifindex == pdev->ifindex)
+						bound_if_index = pdev->ifindex;
+				}
+				if (is_vlan_dev(ndev)) {
+					pdev = vlan_dev_real_dev(ndev);
+					if (bound_if_index == pdev->ifindex)
+						bound_if_index = ndev->ifindex;
+				}
+			}
+		}
 		if (!net_eq(dev_net(ndev), dev_addr->net) ||
 		    ndev->ifindex != bound_if_index) {
 			rdma_put_gid_attr(sgid_attr);

drivers/infiniband/core/nldev.c

···
 			  enum rdma_nl_notify_event_type type)
 {
 	struct sk_buff *skb;
+	int ret = -EMSGSIZE;
 	struct net *net;
-	int ret = 0;
 	void *nlh;
 
 	net = read_pnet(&device->coredev.rdma_net);

drivers/infiniband/core/uverbs_cmd.c

···
 {
 	const void __user *res = iter->cur;
 
-	if (iter->cur + len > iter->end)
+	if (len > iter->end - iter->cur)
 		return (void __force __user *)ERR_PTR(-ENOSPC);
 	iter->cur += len;
 	return res;
···
 	ret = uverbs_request_start(attrs, &iter, &cmd, sizeof(cmd));
 	if (ret)
 		return ret;
-	wqes = uverbs_request_next_ptr(&iter, cmd.wqe_size * cmd.wr_count);
+	wqes = uverbs_request_next_ptr(&iter, size_mul(cmd.wqe_size,
+						       cmd.wr_count));
 	if (IS_ERR(wqes))
 		return PTR_ERR(wqes);
-	sgls = uverbs_request_next_ptr(
-		&iter, cmd.sge_count * sizeof(struct ib_uverbs_sge));
+	sgls = uverbs_request_next_ptr(&iter,
+				       size_mul(cmd.sge_count,
+						sizeof(struct ib_uverbs_sge)));
 	if (IS_ERR(sgls))
 		return PTR_ERR(sgls);
 	ret = uverbs_request_finish(&iter);
···
 	if (wqe_size < sizeof(struct ib_uverbs_recv_wr))
 		return ERR_PTR(-EINVAL);
 
-	wqes = uverbs_request_next_ptr(iter, wqe_size * wr_count);
+	wqes = uverbs_request_next_ptr(iter, size_mul(wqe_size, wr_count));
 	if (IS_ERR(wqes))
 		return ERR_CAST(wqes);
-	sgls = uverbs_request_next_ptr(
-		iter, sge_count * sizeof(struct ib_uverbs_sge));
+	sgls = uverbs_request_next_ptr(iter, size_mul(sge_count,
+						      sizeof(struct ib_uverbs_sge)));
 	if (IS_ERR(sgls))
 		return ERR_CAST(sgls);
 	ret = uverbs_request_finish(iter);

drivers/infiniband/hw/bnxt_re/ib_verbs.c

···
 
 	ib_attr->vendor_id = rdev->en_dev->pdev->vendor;
 	ib_attr->vendor_part_id = rdev->en_dev->pdev->device;
-	ib_attr->hw_ver = rdev->en_dev->pdev->subsystem_device;
+	ib_attr->hw_ver = rdev->en_dev->pdev->revision;
 	ib_attr->max_qp = dev_attr->max_qp;
 	ib_attr->max_qp_wr = dev_attr->max_qp_wqes;
 	ib_attr->device_cap_flags =
···
 	unsigned int flags;
 	int rc;
 
+	bnxt_re_debug_rem_qpinfo(rdev, qp);
+
 	bnxt_qplib_flush_cqn_wq(&qp->qplib_qp);
 
 	rc = bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp);
-	if (rc) {
+	if (rc)
 		ibdev_err(&rdev->ibdev, "Failed to destroy HW QP");
-		return rc;
-	}
 
 	if (rdma_is_kernel_res(&qp->ib_qp.res)) {
 		flags = bnxt_re_lock_cqs(qp);
···
 
 	bnxt_qplib_free_qp_res(&rdev->qplib_res, &qp->qplib_qp);
 
-	if (ib_qp->qp_type == IB_QPT_GSI && rdev->gsi_ctx.gsi_sqp) {
-		rc = bnxt_re_destroy_gsi_sqp(qp);
-		if (rc)
-			return rc;
-	}
+	if (ib_qp->qp_type == IB_QPT_GSI && rdev->gsi_ctx.gsi_sqp)
+		bnxt_re_destroy_gsi_sqp(qp);
 
 	mutex_lock(&rdev->qp_lock);
 	list_del(&qp->list);
···
 		atomic_dec(&rdev->stats.res.rc_qp_count);
 	else if (qp->qplib_qp.type == CMDQ_CREATE_QP_TYPE_UD)
 		atomic_dec(&rdev->stats.res.ud_qp_count);
-
-	bnxt_re_debug_rem_qpinfo(rdev, qp);
 
 	ib_umem_release(qp->rumem);
 	ib_umem_release(qp->sumem);
···
 		}
 	}
 
-	if (qp_attr_mask & IB_QP_PATH_MTU) {
-		qp->qplib_qp.modify_flags |=
-				CMDQ_MODIFY_QP_MODIFY_MASK_PATH_MTU;
-		qp->qplib_qp.path_mtu = __from_ib_mtu(qp_attr->path_mtu);
-		qp->qplib_qp.mtu = ib_mtu_enum_to_int(qp_attr->path_mtu);
-	} else if (qp_attr->qp_state == IB_QPS_RTR) {
-		qp->qplib_qp.modify_flags |=
-			CMDQ_MODIFY_QP_MODIFY_MASK_PATH_MTU;
-		qp->qplib_qp.path_mtu =
-			__from_ib_mtu(iboe_get_mtu(rdev->netdev->mtu));
-		qp->qplib_qp.mtu =
-			ib_mtu_enum_to_int(iboe_get_mtu(rdev->netdev->mtu));
+	if (qp_attr->qp_state == IB_QPS_RTR) {
+		enum ib_mtu qpmtu;
+
+		qpmtu = iboe_get_mtu(rdev->netdev->mtu);
+		if (qp_attr_mask & IB_QP_PATH_MTU) {
+			if (ib_mtu_enum_to_int(qp_attr->path_mtu) >
+			    ib_mtu_enum_to_int(qpmtu))
+				return -EINVAL;
+			qpmtu = qp_attr->path_mtu;
+		}
+
+		qp->qplib_qp.modify_flags |= CMDQ_MODIFY_QP_MODIFY_MASK_PATH_MTU;
+		qp->qplib_qp.path_mtu = __from_ib_mtu(qpmtu);
+		qp->qplib_qp.mtu = ib_mtu_enum_to_int(qpmtu);
 	}
 
 	if (qp_attr_mask & IB_QP_TIMEOUT) {
···
 	qp_attr->retry_cnt = qplib_qp->retry_cnt;
 	qp_attr->rnr_retry = qplib_qp->rnr_retry;
 	qp_attr->min_rnr_timer = qplib_qp->min_rnr_timer;
+	qp_attr->port_num = __to_ib_port_num(qplib_qp->port_id);
 	qp_attr->rq_psn = qplib_qp->rq.psn;
 	qp_attr->max_rd_atomic = qplib_qp->max_rd_atomic;
 	qp_attr->sq_psn = qplib_qp->sq.psn;
···
 		wr = wr->next;
 	}
 	bnxt_qplib_post_send_db(&qp->qplib_qp);
-	bnxt_ud_qp_hw_stall_workaround(qp);
+	if (!bnxt_qplib_is_chip_gen_p5_p7(qp->rdev->chip_ctx))
+		bnxt_ud_qp_hw_stall_workaround(qp);
 	spin_unlock_irqrestore(&qp->sq_lock, flags);
 	return rc;
 }
···
 		wr = wr->next;
 	}
 	bnxt_qplib_post_send_db(&qp->qplib_qp);
-	bnxt_ud_qp_hw_stall_workaround(qp);
+	if (!bnxt_qplib_is_chip_gen_p5_p7(qp->rdev->chip_ctx))
+		bnxt_ud_qp_hw_stall_workaround(qp);
 	spin_unlock_irqrestore(&qp->sq_lock, flags);
 
 	return rc;

drivers/infiniband/hw/bnxt_re/ib_verbs.h

···
 int bnxt_re_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
 void bnxt_re_mmap_free(struct rdma_user_mmap_entry *rdma_entry);
 
+static inline u32 __to_ib_port_num(u16 port_id)
+{
+	return (u32)port_id + 1;
+}
 
 unsigned long bnxt_re_lock_cqs(struct bnxt_re_qp *qp);
 void bnxt_re_unlock_cqs(struct bnxt_re_qp *qp, unsigned long flags);

drivers/infiniband/hw/bnxt_re/main.c

···
 
 static void bnxt_re_dev_stop(struct bnxt_re_dev *rdev)
 {
-	int mask = IB_QP_STATE;
-	struct ib_qp_attr qp_attr;
 	struct bnxt_re_qp *qp;
 
-	qp_attr.qp_state = IB_QPS_ERR;
 	mutex_lock(&rdev->qp_lock);
 	list_for_each_entry(qp, &rdev->qp_list, list) {
 		/* Modify the state of all QPs except QP1/Shadow QP */
···
 			if (qp->qplib_qp.state !=
 			    CMDQ_MODIFY_QP_NEW_STATE_RESET &&
 			    qp->qplib_qp.state !=
-			    CMDQ_MODIFY_QP_NEW_STATE_ERR) {
+			    CMDQ_MODIFY_QP_NEW_STATE_ERR)
 				bnxt_re_dispatch_event(&rdev->ibdev, &qp->ib_qp,
 						       1, IB_EVENT_QP_FATAL);
-				bnxt_re_modify_qp(&qp->ib_qp, &qp_attr, mask,
-						  NULL);
-			}
 		}
 	}
 	mutex_unlock(&rdev->qp_lock);

drivers/infiniband/hw/bnxt_re/qplib_fp.c

···
 	rc = bnxt_qplib_alloc_init_hwq(&srq->hwq, &hwq_attr);
 	if (rc)
 		return rc;
-
-	srq->swq = kcalloc(srq->hwq.max_elements, sizeof(*srq->swq),
-			   GFP_KERNEL);
-	if (!srq->swq) {
-		rc = -ENOMEM;
-		goto fail;
-	}
 	srq->dbinfo.flags = 0;
 	bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
 				 CMDQ_BASE_OPCODE_CREATE_SRQ,
···
 	spin_lock_init(&srq->lock);
 	srq->start_idx = 0;
 	srq->last_idx = srq->hwq.max_elements - 1;
-	for (idx = 0; idx < srq->hwq.max_elements; idx++)
-		srq->swq[idx].next_idx = idx + 1;
-	srq->swq[srq->last_idx].next_idx = -1;
+	if (!srq->hwq.is_user) {
+		srq->swq = kcalloc(srq->hwq.max_elements, sizeof(*srq->swq),
+				   GFP_KERNEL);
+		if (!srq->swq) {
+			rc = -ENOMEM;
+			goto fail;
+		}
+		for (idx = 0; idx < srq->hwq.max_elements; idx++)
+			srq->swq[idx].next_idx = idx + 1;
+		srq->swq[srq->last_idx].next_idx = -1;
+	}
 
 	srq->id = le32_to_cpu(resp.xid);
 	srq->dbinfo.hwq = &srq->hwq;
···
 	u32 tbl_indx;
 	u16 nsge;
 
-	if (res->dattr)
-		qp->is_host_msn_tbl = _is_host_msn_table(res->dattr->dev_cap_flags2);
-
+	qp->is_host_msn_tbl = _is_host_msn_table(res->dattr->dev_cap_flags2);
 	sq->dbinfo.flags = 0;
 	bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
 				 CMDQ_BASE_OPCODE_CREATE_QP,
···
 				    : 0;
 	/* Update msn tbl size */
 	if (qp->is_host_msn_tbl && psn_sz) {
-		hwq_attr.aux_depth = roundup_pow_of_two(bnxt_qplib_set_sq_size(sq, qp->wqe_mode));
+		if (qp->wqe_mode == BNXT_QPLIB_WQE_MODE_STATIC)
+			hwq_attr.aux_depth =
+				roundup_pow_of_two(bnxt_qplib_set_sq_size(sq, qp->wqe_mode));
+		else
+			hwq_attr.aux_depth =
+				roundup_pow_of_two(bnxt_qplib_set_sq_size(sq, qp->wqe_mode)) / 2;
 		qp->msn_tbl_sz = hwq_attr.aux_depth;
 		qp->msn = 0;
 	}
···
 	if (rc)
 		return rc;
 
-	rc = bnxt_qplib_alloc_init_swq(sq);
-	if (rc)
-		goto fail_sq;
+	if (!sq->hwq.is_user) {
+		rc = bnxt_qplib_alloc_init_swq(sq);
+		if (rc)
+			goto fail_sq;
 
-	if (psn_sz)
-		bnxt_qplib_init_psn_ptr(qp, psn_sz);
-
+		if (psn_sz)
+			bnxt_qplib_init_psn_ptr(qp, psn_sz);
+	}
 	req.sq_size = cpu_to_le32(bnxt_qplib_set_sq_size(sq, qp->wqe_mode));
 	pbl = &sq->hwq.pbl[PBL_LVL_0];
 	req.sq_pbl = cpu_to_le64(pbl->pg_map_arr[0]);
···
 		rc = bnxt_qplib_alloc_init_hwq(&rq->hwq, &hwq_attr);
 		if (rc)
 			goto sq_swq;
-		rc = bnxt_qplib_alloc_init_swq(rq);
-		if (rc)
-			goto fail_rq;
+		if (!rq->hwq.is_user) {
+			rc = bnxt_qplib_alloc_init_swq(rq);
+			if (rc)
+				goto fail_rq;
+		}
 
 		req.rq_size = cpu_to_le32(rq->max_wqe);
 		pbl = &rq->hwq.pbl[PBL_LVL_0];
···
 		rq->dbinfo.db = qp->dpi->dbr;
 		rq->dbinfo.max_slot = bnxt_qplib_set_rq_max_slot(rq->wqe_size);
 	}
+	spin_lock_bh(&rcfw->tbl_lock);
 	tbl_indx = map_qp_id_to_tbl_indx(qp->id, rcfw);
 	rcfw->qp_tbl[tbl_indx].qp_id = qp->id;
 	rcfw->qp_tbl[tbl_indx].qp_handle = (void *)qp;
+	spin_unlock_bh(&rcfw->tbl_lock);
 
 	return 0;
 fail:
···
 	}
 }
 
-static void bnxt_set_mandatory_attributes(struct bnxt_qplib_qp *qp,
+static void bnxt_set_mandatory_attributes(struct bnxt_qplib_res *res,
+					  struct bnxt_qplib_qp *qp,
 					  struct cmdq_modify_qp *req)
 {
 	u32 mandatory_flags = 0;
···
 		if (qp->type == CMDQ_MODIFY_QP_QP_TYPE_RC && qp->srq)
 			req->flags = cpu_to_le16(CMDQ_MODIFY_QP_FLAGS_SRQ_USED);
 		mandatory_flags |= CMDQ_MODIFY_QP_MODIFY_MASK_PKEY;
+	}
+
+	if (_is_min_rnr_in_rtr_rts_mandatory(res->dattr->dev_cap_flags2) &&
+	    (qp->cur_qp_state == CMDQ_MODIFY_QP_NEW_STATE_RTR &&
+	     qp->state == CMDQ_MODIFY_QP_NEW_STATE_RTS)) {
+		if (qp->type == CMDQ_MODIFY_QP_QP_TYPE_RC)
+			mandatory_flags |=
+				CMDQ_MODIFY_QP_MODIFY_MASK_MIN_RNR_TIMER;
 	}
 
 	if (qp->type == CMDQ_MODIFY_QP_QP_TYPE_UD ||
···
 		/* Set mandatory attributes for INIT -> RTR and RTR -> RTS transition */
 		if (_is_optimize_modify_qp_supported(res->dattr->dev_cap_flags2) &&
 		    is_optimized_state_transition(qp))
-			bnxt_set_mandatory_attributes(qp, &req);
+			bnxt_set_mandatory_attributes(res, qp, &req);
 	}
 	bmask = qp->modify_flags;
 	req.modify_mask = cpu_to_le32(qp->modify_flags);
···
 	qp->dest_qpn = le32_to_cpu(sb->dest_qp_id);
 	memcpy(qp->smac, sb->src_mac, 6);
 	qp->vlan_id = le16_to_cpu(sb->vlan_pcp_vlan_dei_vlan_id);
+	qp->port_id = le16_to_cpu(sb->port_id);
 bail:
 	dma_free_coherent(&rcfw->pdev->dev, sbuf.size,
 			  sbuf.sb, sbuf.dma_addr);
···
 			bnxt_qplib_add_flush_qp(qp);
 		} else {
 			/* Before we complete, do WA 9060 */
-			if (do_wa9060(qp, cq, cq_cons, sq->swq_last,
-				      cqe_sq_cons)) {
-				*lib_qp = qp;
-				goto out;
+			if (!bnxt_qplib_is_chip_gen_p5_p7(qp->cctx)) {
+				if (do_wa9060(qp, cq, cq_cons, sq->swq_last,
+					      cqe_sq_cons)) {
+					*lib_qp = qp;
+					goto out;
+				}
 			}
 			if (swq->flags & SQ_SEND_FLAGS_SIGNAL_COMP) {
 				cqe->status = CQ_REQ_STATUS_OK;

drivers/infiniband/hw/bnxt_re/qplib_fp.h

···
 	u32				size;
 };
 
-#define BNXT_QPLIB_QP_MAX_SGL	6
 struct bnxt_qplib_swq {
 	u64				wr_id;
 	int				next_idx;
···
 #define BNXT_QPLIB_SWQE_FLAGS_UC_FENCE			BIT(2)
 #define BNXT_QPLIB_SWQE_FLAGS_SOLICIT_EVENT		BIT(3)
 #define BNXT_QPLIB_SWQE_FLAGS_INLINE			BIT(4)
-	struct bnxt_qplib_sge		sg_list[BNXT_QPLIB_QP_MAX_SGL];
+	struct bnxt_qplib_sge		sg_list[BNXT_VAR_MAX_SGE];
 	int				num_sge;
 	/* Max inline data is 96 bytes */
 	u32				inline_len;
···
 	u32				dest_qpn;
 	u8				smac[6];
 	u16				vlan_id;
+	u16				port_id;
 	u8				nw_type;
 	struct bnxt_qplib_ah		ah;
 

drivers/infiniband/hw/bnxt_re/qplib_rcfw.c

···
 
 	/* Prevent posting if f/w is not in a state to process */
 	if (test_bit(ERR_DEVICE_DETACHED, &rcfw->cmdq.flags))
-		return bnxt_qplib_map_rc(opcode);
+		return -ENXIO;
+
 	if (test_bit(FIRMWARE_STALL_DETECTED, &cmdq->flags))
 		return -ETIMEDOUT;
 
···
 
 	rc = __send_message_basic_sanity(rcfw, msg, opcode);
 	if (rc)
-		return rc;
+		return rc == -ENXIO ? bnxt_qplib_map_rc(opcode) : rc;
 
 	rc = __send_message(rcfw, msg, opcode);
 	if (rc)

drivers/infiniband/hw/bnxt_re/qplib_res.h

···
 	return dev_cap_ext_flags2 & CREQ_QUERY_FUNC_RESP_SB_OPTIMIZE_MODIFY_QP_SUPPORTED;
 }
 
+static inline bool _is_min_rnr_in_rtr_rts_mandatory(u16 dev_cap_ext_flags2)
+{
+	return !!(dev_cap_ext_flags2 & CREQ_QUERY_FUNC_RESP_SB_MIN_RNR_RTR_RTS_OPT_SUPPORTED);
+}
+
 static inline bool _is_cq_coalescing_supported(u16 dev_cap_ext_flags2)
 {
 	return dev_cap_ext_flags2 & CREQ_QUERY_FUNC_RESP_SB_CQ_COALESCING_SUPPORTED;

drivers/infiniband/hw/bnxt_re/qplib_sp.c

···
 	attr->max_qp_init_rd_atom =
 		sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ?
 		BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom;
-	attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr);
-	/*
-	 * 128 WQEs needs to be reserved for the HW (8916). Prevent
-	 * reporting the max number
-	 */
-	attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
+	attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr) - 1;
+	if (!bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx)) {
+		/*
+		 * 128 WQEs needs to be reserved for the HW (8916). Prevent
+		 * reporting the max number on legacy devices
+		 */
+		attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
+	}
+
+	/* Adjust for max_qp_wqes for variable wqe */
+	if (cctx->modes.wqe_mode == BNXT_QPLIB_WQE_MODE_VARIABLE)
+		attr->max_qp_wqes = BNXT_VAR_MAX_WQE - 1;
 
 	attr->max_qp_sges = cctx->modes.wqe_mode == BNXT_QPLIB_WQE_MODE_VARIABLE ?
 			    min_t(u32, sb->max_sge_var_wqe, BNXT_VAR_MAX_SGE) : 6;

drivers/infiniband/hw/bnxt_re/roce_hsi.h

···
 	#define CREQ_QUERY_FUNC_RESP_SB_REQ_RETRANSMISSION_SUPPORT_IQM_MSN_TABLE   (0x2UL << 4)
 	#define CREQ_QUERY_FUNC_RESP_SB_REQ_RETRANSMISSION_SUPPORT_LAST	\
 			CREQ_QUERY_FUNC_RESP_SB_REQ_RETRANSMISSION_SUPPORT_IQM_MSN_TABLE
+	#define CREQ_QUERY_FUNC_RESP_SB_MIN_RNR_RTR_RTS_OPT_SUPPORTED            0x1000UL
 	__le16	max_xp_qp_size;
 	__le16	create_qp_batch_size;
 	__le16	destroy_qp_batch_size;

drivers/infiniband/hw/hns/hns_roce_hem.c

···
 	size_t count; /* max ba numbers */
 	int start; /* start buf offset in this hem */
 	int end; /* end buf offset in this hem */
+	bool exist_bt;
 };
 
 /* All HEM items are linked in a tree structure */
···
 		}
 	}
 
+	hem->exist_bt = exist_bt;
 	hem->count = count;
 	hem->start = start;
 	hem->end = end;
···
 }
 
 static void hem_list_free_item(struct hns_roce_dev *hr_dev,
-			       struct hns_roce_hem_item *hem, bool exist_bt)
+			       struct hns_roce_hem_item *hem)
 {
-	if (exist_bt)
+	if (hem->exist_bt)
 		dma_free_coherent(hr_dev->dev, hem->count * BA_BYTE_LEN,
 				  hem->addr, hem->dma_addr);
 	kfree(hem);
 }
 
 static void hem_list_free_all(struct hns_roce_dev *hr_dev,
-			      struct list_head *head, bool exist_bt)
+			      struct list_head *head)
 {
 	struct hns_roce_hem_item *hem, *temp_hem;
 
 	list_for_each_entry_safe(hem, temp_hem, head, list) {
 		list_del(&hem->list);
-		hem_list_free_item(hr_dev, hem, exist_bt);
+		hem_list_free_item(hr_dev, hem);
 	}
 }
 
···
 
 	for (i = 0; i < region_cnt; i++) {
 		r = (struct hns_roce_buf_region *)&regions[i];
+		/* when r->hopnum = 0, the region should not occupy root_ba. */
+		if (!r->hopnum)
+			continue;
+
 		if (r->hopnum > 1) {
 			step = hem_list_calc_ba_range(r->hopnum, 1, unit);
 			if (step > 0)
···
 
 err_exit:
 	for (level = 1; level < hopnum; level++)
-		hem_list_free_all(hr_dev, &temp_list[level], true);
+		hem_list_free_all(hr_dev, &temp_list[level]);
 
 	return ret;
 }
···
 {
 	struct hns_roce_hem_item *hem;
 
+	/* This is on the has_mtt branch, if r->hopnum
+	 * is 0, there is no root_ba to reuse for the
+	 * region's fake hem, so a dma_alloc request is
+	 * necessary here.
+	 */
 	hem = hem_list_alloc_item(hr_dev, r->offset, r->offset + r->count - 1,
-				  r->count, false);
+				  r->count, !r->hopnum);
 	if (!hem)
 		return -ENOMEM;
 
-	hem_list_assign_bt(hem, cpu_base, phy_base);
+	/* The root_ba can be reused only when r->hopnum > 0. */
+	if (r->hopnum)
+		hem_list_assign_bt(hem, cpu_base, phy_base);
 	list_add(&hem->list, branch_head);
 	list_add(&hem->sibling, leaf_head);
 
-	return r->count;
+	/* If r->hopnum == 0, 0 is returned,
+	 * so that the root_bt entry is not occupied.
+	 */
+	return r->hopnum ? r->count : 0;
 }
 
 static int setup_middle_bt(struct hns_roce_dev *hr_dev, void *cpu_base,
···
 		return -ENOMEM;
 
 	total = 0;
-	for (i = 0; i < region_cnt && total < max_ba_num; i++) {
+	for (i = 0; i < region_cnt && total <= max_ba_num; i++) {
 		r = &regions[i];
 		if (!r->count)
 			continue;
···
 			     region_cnt);
 	if (ret) {
 		for (i = 0; i < region_cnt; i++)
-			hem_list_free_all(hr_dev, &head.branch[i], false);
+			hem_list_free_all(hr_dev, &head.branch[i]);
 
-		hem_list_free_all(hr_dev, &head.root, true);
+		hem_list_free_all(hr_dev, &head.root);
 	}
 
 	return ret;
···
 
 	for (i = 0; i < HNS_ROCE_MAX_BT_REGION; i++)
 		for (j = 0; j < HNS_ROCE_MAX_BT_LEVEL; j++)
-			hem_list_free_all(hr_dev, &hem_list->mid_bt[i][j],
-					  j != 0);
+			hem_list_free_all(hr_dev, &hem_list->mid_bt[i][j]);
 
-	hem_list_free_all(hr_dev, &hem_list->root_bt, true);
+	hem_list_free_all(hr_dev, &hem_list->root_bt);
 	INIT_LIST_HEAD(&hem_list->btm_bt);
 	hem_list->root_ba = 0;
 }

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

···
 	valid_num_sge = calc_wr_sge_num(wr, &msg_len);
 
 	ret = set_ud_opcode(ud_sq_wqe, wr);
-	if (WARN_ON(ret))
+	if (WARN_ON_ONCE(ret))
 		return ret;
 
 	ud_sq_wqe->msg_len = cpu_to_le32(msg_len);
···
 	rc_sq_wqe->msg_len = cpu_to_le32(msg_len);
 
 	ret = set_rc_opcode(hr_dev, rc_sq_wqe, wr);
-	if (WARN_ON(ret))
+	if (WARN_ON_ONCE(ret))
 		return ret;
 
 	hr_reg_write(rc_sq_wqe, RC_SEND_WQE_SO,
···
 #define HNS_ROCE_SL_SHIFT 2
 	struct hns_roce_v2_rc_send_wqe *rc_sq_wqe = wqe;
 
+	if (unlikely(qp->state == IB_QPS_ERR)) {
+		flush_cqe(hr_dev, qp);
+		return;
+	}
 	/* All kinds of DirectWQE have the same header field layout */
 	hr_reg_enable(rc_sq_wqe, RC_SEND_WQE_FLAG);
 	hr_reg_write(rc_sq_wqe, RC_SEND_WQE_DB_SL_L, qp->sl);
···
 			    struct hns_roce_qp *hr_qp)
 {
 	struct hns_roce_dip *hr_dip = hr_qp->dip;
+
+	if (!hr_dip)
+		return;
 
 	xa_lock(&hr_dev->qp_table.dip_xa);
 

drivers/infiniband/hw/hns/hns_roce_mr.c

···
 	for (i = 0, mapped_cnt = 0; i < mtr->hem_cfg.region_count &&
 	     mapped_cnt < page_cnt; i++) {
 		r = &mtr->hem_cfg.region[i];
-		/* if hopnum is 0, no need to map pages in this region */
-		if (!r->hopnum) {
-			mapped_cnt += r->count;
-			continue;
-		}
 
 		if (r->offset + r->count > page_cnt) {
 			ret = -EINVAL;

drivers/infiniband/hw/mlx5/main.c

···
 	int err;
 
 	*num_plane = 0;
-	if (!MLX5_CAP_GEN(mdev, ib_virt))
+	if (!MLX5_CAP_GEN(mdev, ib_virt) || !MLX5_CAP_GEN_2(mdev, multiplane))
 		return 0;
 
 	err = mlx5_query_hca_vport_context(mdev, 0, 1, 0, &vport_ctx);
···
 		list_for_each_entry(mpi, &mlx5_ib_unaffiliated_port_list,
 				    list) {
 			if (dev->sys_image_guid == mpi->sys_image_guid &&
-			    (mlx5_core_native_port_num(mpi->mdev) - 1) == i) {
+			    (mlx5_core_native_port_num(mpi->mdev) - 1) == i &&
+			    mlx5_core_same_coredev_type(dev->mdev, mpi->mdev)) {
 				bound = mlx5_ib_bind_slave_port(dev, mpi);
 			}
 
···
 
 	mutex_lock(&mlx5_ib_multiport_mutex);
 	list_for_each_entry(dev, &mlx5_ib_dev_list, ib_dev_list) {
-		if (dev->sys_image_guid == mpi->sys_image_guid)
+		if (dev->sys_image_guid == mpi->sys_image_guid &&
+		    mlx5_core_same_coredev_type(dev->mdev, mpi->mdev))
 			bound = mlx5_ib_bind_slave_port(dev, mpi);
 
 		if (bound) {

drivers/infiniband/sw/rxe/rxe.c

···
 /* initialize rxe device parameters */
 static void rxe_init_device_param(struct rxe_dev *rxe)
 {
+	struct net_device *ndev;
+
 	rxe->max_inline_data			= RXE_MAX_INLINE_DATA;
 
 	rxe->attr.vendor_id			= RXE_VENDOR_ID;
···
 	rxe->attr.max_fast_reg_page_list_len	= RXE_MAX_FMR_PAGE_LIST_LEN;
 	rxe->attr.max_pkeys			= RXE_MAX_PKEYS;
 	rxe->attr.local_ca_ack_delay		= RXE_LOCAL_CA_ACK_DELAY;
+
+	ndev = rxe_ib_device_get_netdev(&rxe->ib_dev);
+	if (!ndev)
+		return;
+
 	addrconf_addr_eui48((unsigned char *)&rxe->attr.sys_image_guid,
-			rxe->ndev->dev_addr);
+			ndev->dev_addr);
+
+	dev_put(ndev);
 
 	rxe->max_ucontext			= RXE_MAX_UCONTEXT;
 }
···
 static void rxe_init_ports(struct rxe_dev *rxe)
 {
 	struct rxe_port *port = &rxe->port;
+	struct net_device *ndev;
 
 	rxe_init_port_param(port);
+	ndev = rxe_ib_device_get_netdev(&rxe->ib_dev);
+	if (!ndev)
+		return;
 	addrconf_addr_eui48((unsigned char *)&port->port_guid,
-			    rxe->ndev->dev_addr);
+			    ndev->dev_addr);
+	dev_put(ndev);
 	spin_lock_init(&port->port_lock);
 }
 
···
 /* called by ifc layer to create new rxe device.
  * The caller should allocate memory for rxe by calling ib_alloc_device.
  */
-int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name)
+int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name,
+			struct net_device *ndev)
 {
 	rxe_init(rxe);
 	rxe_set_mtu(rxe, mtu);
 
-	return rxe_register_device(rxe, ibdev_name);
+	return rxe_register_device(rxe, ibdev_name, ndev);
 }
 
 static int rxe_newlink(const char *ibdev_name, struct net_device *ndev)

drivers/infiniband/sw/rxe/rxe.h

···
 
 void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
 
-int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name);
+int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name,
+			struct net_device *ndev);
 
 void rxe_rcv(struct sk_buff *skb);
 

drivers/infiniband/sw/rxe/rxe_mcast.c

···
 static int rxe_mcast_add(struct rxe_dev *rxe, union ib_gid *mgid)
 {
 	unsigned char ll_addr[ETH_ALEN];
+	struct net_device *ndev;
+	int ret;
+
+	ndev = rxe_ib_device_get_netdev(&rxe->ib_dev);
+	if (!ndev)
+		return -ENODEV;
 
 	ipv6_eth_mc_map((struct in6_addr *)mgid->raw, ll_addr);
 
-	return dev_mc_add(rxe->ndev, ll_addr);
+	ret = dev_mc_add(ndev, ll_addr);
+	dev_put(ndev);
+
+	return ret;
 }
 
 /**
···
 static int rxe_mcast_del(struct rxe_dev *rxe, union ib_gid *mgid)
 {
 	unsigned char ll_addr[ETH_ALEN];
+	struct net_device *ndev;
+	int ret;
+
+	ndev = rxe_ib_device_get_netdev(&rxe->ib_dev);
+	if (!ndev)
+		return -ENODEV;
 
 	ipv6_eth_mc_map((struct in6_addr *)mgid->raw, ll_addr);
 
-	return dev_mc_del(rxe->ndev, ll_addr);
+	ret = dev_mc_del(ndev, ll_addr);
+	dev_put(ndev);
+
+	return ret;
 }
 
 /**

drivers/infiniband/sw/rxe/rxe_net.c

···
  */
 const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num)
 {
-	return rxe->ndev->name;
+	struct net_device *ndev;
+	char *ndev_name;
+
+	ndev = rxe_ib_device_get_netdev(&rxe->ib_dev);
+	if (!ndev)
+		return NULL;
+	ndev_name = ndev->name;
+	dev_put(ndev);
+
+	return ndev_name;
 }
 
 int rxe_net_add(const char *ibdev_name, struct net_device *ndev)
···
 	if (!rxe)
 		return -ENOMEM;
 
-	rxe->ndev = ndev;
 	ib_mark_name_assigned_by_user(&rxe->ib_dev);
 
-	err = rxe_add(rxe, ndev->mtu, ibdev_name);
+	err = rxe_add(rxe, ndev->mtu, ibdev_name, ndev);
 	if (err) {
 		ib_dealloc_device(&rxe->ib_dev);
 		return err;
···
 
 void rxe_set_port_state(struct rxe_dev *rxe)
 {
-	if (netif_running(rxe->ndev) && netif_carrier_ok(rxe->ndev))
+	struct net_device *ndev;
+
+	ndev = rxe_ib_device_get_netdev(&rxe->ib_dev);
+	if (!ndev)
+		return;
+
+	if (netif_running(ndev) && netif_carrier_ok(ndev))
 		rxe_port_up(rxe);
 	else
 		rxe_port_down(rxe);
+
+	dev_put(ndev);
 }
 
 static int rxe_notify(struct notifier_block *not_blk,

drivers/infiniband/sw/rxe/rxe_verbs.c

···
 			  u32 port_num, struct ib_port_attr *attr)
 {
 	struct rxe_dev *rxe = to_rdev(ibdev);
+	struct net_device *ndev;
 	int err, ret;
 
 	if (port_num != 1) {
 		err = -EINVAL;
 		rxe_dbg_dev(rxe, "bad port_num = %d\n", port_num);
+		goto err_out;
+	}
+
+	ndev = rxe_ib_device_get_netdev(ibdev);
+	if (!ndev) {
+		err = -ENODEV;
 		goto err_out;
 	}
 
···
 
 	if (attr->state == IB_PORT_ACTIVE)
 		attr->phys_state = IB_PORT_PHYS_STATE_LINK_UP;
-	else if (dev_get_flags(rxe->ndev) & IFF_UP)
+	else if (dev_get_flags(ndev) & IFF_UP)
 		attr->phys_state = IB_PORT_PHYS_STATE_POLLING;
 	else
 		attr->phys_state = IB_PORT_PHYS_STATE_DISABLED;
 
 	mutex_unlock(&rxe->usdev_lock);
 
+	dev_put(ndev);
 	return ret;
 
 err_out:
···
 static int rxe_enable_driver(struct ib_device *ib_dev)
 {
 	struct rxe_dev *rxe = container_of(ib_dev, struct rxe_dev, ib_dev);
+	struct net_device *ndev;
+
+	ndev = rxe_ib_device_get_netdev(ib_dev);
+	if (!ndev)
+		return -ENODEV;
 
 	rxe_set_port_state(rxe);
-	dev_info(&rxe->ib_dev.dev, "added %s\n", netdev_name(rxe->ndev));
+	dev_info(&rxe->ib_dev.dev, "added %s\n", netdev_name(ndev));
+
+	dev_put(ndev);
 	return 0;
 }
 
···
 	INIT_RDMA_OBJ_SIZE(ib_mw, rxe_mw, ibmw),
 };
 
-int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name)
+int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name,
+						struct net_device *ndev)
 {
 	int err;
 	struct ib_device *dev = &rxe->ib_dev;
···
 	dev->num_comp_vectors = num_possible_cpus();
 	dev->local_dma_lkey = 0;
 	addrconf_addr_eui48((unsigned char *)&dev->node_guid,
-			    rxe->ndev->dev_addr);
+			    ndev->dev_addr);
 
 	dev->uverbs_cmd_mask |= BIT_ULL(IB_USER_VERBS_CMD_POST_SEND) |
 				BIT_ULL(IB_USER_VERBS_CMD_REQ_NOTIFY_CQ);
 
 	ib_set_device_ops(dev, &rxe_dev_ops);
-	err = ib_device_set_netdev(&rxe->ib_dev, rxe->ndev, 1);
+	err = ib_device_set_netdev(&rxe->ib_dev, ndev, 1);
 	if (err)
 		return err;
 

drivers/infiniband/sw/rxe/rxe_verbs.h

···
 	u32			qp_gsi_index;
 };
 
+#define	RXE_PORT	1
 struct rxe_dev {
 	struct ib_device	ib_dev;
 	struct ib_device_attr	attr;
 	int			max_ucontext;
 	int			max_inline_data;
 	struct mutex	usdev_lock;
-
-	struct net_device	*ndev;
 
 	struct rxe_pool		uc_pool;
 	struct rxe_pool		pd_pool;
···
 	struct rxe_port		port;
 	struct crypto_shash	*tfm;
 };
+
+static inline struct net_device *rxe_ib_device_get_netdev(struct ib_device *dev)
+{
+	return ib_device_get_netdev(dev, RXE_PORT);
+}
 
 static inline void rxe_counter_inc(struct rxe_dev *rxe, enum rxe_counters index)
 {
···
 	return to_rpd(mw->ibmw.pd);
 }
 
-int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name);
+int rxe_register_device(struct rxe_dev *rxe, const char *ibdev_name,
+						struct net_device *ndev);
 
 #endif /* RXE_VERBS_H */

drivers/infiniband/sw/siw/siw.h

···
  */
 #define SIW_IRQ_MAXBURST_SQ_ACTIVE 4
 
+/* There is always only a port 1 per siw device */
+#define SIW_PORT 1
+
 struct siw_dev_cap {
 	int max_qp;
 	int max_qp_wr;
···
 
 struct siw_device {
 	struct ib_device base_dev;
-	struct net_device *netdev;
 	struct siw_dev_cap attrs;
 
 	u32 vendor_part_id;
 	int numa_node;
 	char raw_gid[ETH_ALEN];
-
-	/* physical port state (only one port per device) */
-	enum ib_port_state state;
 
 	spinlock_t lock;
 

drivers/infiniband/sw/siw/siw_cm.c

···
 {
 	struct socket *s;
 	struct siw_cep *cep = NULL;
+	struct net_device *ndev = NULL;
 	struct siw_device *sdev = to_siw_dev(id->device);
 	int addr_family = id->local_addr.ss_family;
 	int rv = 0;
···
 		struct sockaddr_in *laddr = &to_sockaddr_in(id->local_addr);
 
 		/* For wildcard addr, limit binding to current device only */
-		if (ipv4_is_zeronet(laddr->sin_addr.s_addr))
-			s->sk->sk_bound_dev_if = sdev->netdev->ifindex;
-
+		if (ipv4_is_zeronet(laddr->sin_addr.s_addr)) {
+			ndev = ib_device_get_netdev(id->device, SIW_PORT);
+			if (ndev) {
+				s->sk->sk_bound_dev_if = ndev->ifindex;
+			} else {
+				rv = -ENODEV;
+				goto error;
+			}
+		}
 		rv = s->ops->bind(s, (struct sockaddr *)laddr,
 				  sizeof(struct sockaddr_in));
 	} else {
···
 		}
 
 		/* For wildcard addr, limit binding to current device only */
-		if (ipv6_addr_any(&laddr->sin6_addr))
-			s->sk->sk_bound_dev_if = sdev->netdev->ifindex;
-
+		if (ipv6_addr_any(&laddr->sin6_addr)) {
+			ndev = ib_device_get_netdev(id->device, SIW_PORT);
+			if (ndev) {
+				s->sk->sk_bound_dev_if = ndev->ifindex;
+			} else {
+				rv = -ENODEV;
+				goto error;
+			}
+		}
 		rv = s->ops->bind(s, (struct sockaddr *)laddr,
 				  sizeof(struct sockaddr_in6));
 	}
···
 	}
 	list_add_tail(&cep->listenq, (struct list_head *)id->provider_data);
 	cep->state = SIW_EPSTATE_LISTENING;
+	dev_put(ndev);
 
 	siw_dbg(id->device, "Listen at laddr %pISp\n", &id->local_addr);
 
···
 		siw_cep_set_free_and_put(cep);
 	}
 	sock_release(s);
+	dev_put(ndev);
 
 	return rv;
 }

drivers/infiniband/sw/siw/siw_main.c

···
 		return NULL;
 
 	base_dev = &sdev->base_dev;
-	sdev->netdev = netdev;
 
 	if (netdev->addr_len) {
 		memcpy(sdev->raw_gid, netdev->dev_addr,
···
 
 	switch (event) {
 	case NETDEV_UP:
-		sdev->state = IB_PORT_ACTIVE;
 		siw_port_event(sdev, 1, IB_EVENT_PORT_ACTIVE);
 		break;
 
 	case NETDEV_DOWN:
-		sdev->state = IB_PORT_DOWN;
 		siw_port_event(sdev, 1, IB_EVENT_PORT_ERR);
 		break;
 
···
 		siw_port_event(sdev, 1, IB_EVENT_LID_CHANGE);
 		break;
 	/*
-	 * Todo: Below netdev events are currently not handled.
+	 * All other events are not handled
 	 */
-	case NETDEV_CHANGEMTU:
-	case NETDEV_CHANGE:
-		break;
-
 	default:
 		break;
 	}
···
 	sdev = siw_device_create(netdev);
 	if (sdev) {
 		dev_dbg(&netdev->dev, "siw: new device\n");
-
-		if (netif_running(netdev) && netif_carrier_ok(netdev))
-			sdev->state = IB_PORT_ACTIVE;
-		else
-			sdev->state = IB_PORT_DOWN;
-
 		ib_mark_name_assigned_by_user(&sdev->base_dev);
 		rv = siw_device_register(sdev, basedev_name);
 		if (rv)

drivers/infiniband/sw/siw/siw_verbs.c

···
 int siw_query_port(struct ib_device *base_dev, u32 port,
 		   struct ib_port_attr *attr)
 {
-	struct siw_device *sdev = to_siw_dev(base_dev);
+	struct net_device *ndev;
 	int rv;
 
 	memset(attr, 0, sizeof(*attr));
 
 	rv = ib_get_eth_speed(base_dev, port, &attr->active_speed,
 			 &attr->active_width);
+	if (rv)
+		return rv;
+
+	ndev = ib_device_get_netdev(base_dev, SIW_PORT);
+	if (!ndev)
+		return -ENODEV;
+
 	attr->gid_tbl_len = 1;
 	attr->max_msg_sz = -1;
-	attr->max_mtu = ib_mtu_int_to_enum(sdev->netdev->mtu);
-	attr->active_mtu = ib_mtu_int_to_enum(sdev->netdev->mtu);
-	attr->phys_state = sdev->state == IB_PORT_ACTIVE ?
+	attr->max_mtu = ib_mtu_int_to_enum(ndev->max_mtu);
+	attr->active_mtu = ib_mtu_int_to_enum(READ_ONCE(ndev->mtu));
+	attr->phys_state = (netif_running(ndev) && netif_carrier_ok(ndev)) ?
 		IB_PORT_PHYS_STATE_LINK_UP : IB_PORT_PHYS_STATE_DISABLED;
+	attr->state = attr->phys_state == IB_PORT_PHYS_STATE_LINK_UP ?
+		IB_PORT_ACTIVE : IB_PORT_DOWN;
 	attr->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_DEVICE_MGMT_SUP;
-	attr->state = sdev->state;
 	/*
 	 * All zero
 	 *
···
 	 * attr->subnet_timeout = 0;
 	 * attr->init_type_repy = 0;
 	 */
+	dev_put(ndev);
 	return rv;
 }
 
···
 		 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr)
 {
 	struct siw_qp *qp;
-	struct siw_device *sdev;
+	struct net_device *ndev;
 
-	if (base_qp && qp_attr && qp_init_attr) {
+	if (base_qp && qp_attr && qp_init_attr)
 		qp = to_siw_qp(base_qp);
-		sdev = to_siw_dev(base_qp->device);
-	} else {
+	else
 		return -EINVAL;
-	}
+
+	ndev = ib_device_get_netdev(base_qp->device, SIW_PORT);
+	if (!ndev)
+		return -ENODEV;
+
 	qp_attr->qp_state = siw_qp_state_to_ib_qp_state[qp->attrs.state];
 	qp_attr->cap.max_inline_data = SIW_MAX_INLINE;
 	qp_attr->cap.max_send_wr = qp->attrs.sq_size;
 	qp_attr->cap.max_send_sge = qp->attrs.sq_max_sges;
 	qp_attr->cap.max_recv_wr = qp->attrs.rq_size;
 	qp_attr->cap.max_recv_sge = qp->attrs.rq_max_sges;
-	qp_attr->path_mtu = ib_mtu_int_to_enum(sdev->netdev->mtu);
+	qp_attr->path_mtu = ib_mtu_int_to_enum(READ_ONCE(ndev->mtu));
 	qp_attr->max_rd_atomic = qp->attrs.irq_size;
 	qp_attr->max_dest_rd_atomic = qp->attrs.orq_size;
 
···
 
 	qp_init_attr->cap = qp_attr->cap;
 
+	dev_put(ndev);
 	return 0;
 }
 

drivers/infiniband/ulp/rtrs/rtrs-srv.c

···
 	struct rtrs_srv_mr *srv_mr;
 	bool need_inval = false;
 	enum ib_send_flags flags;
+	struct ib_sge list;
 	u32 imm;
 	int err;
 
···
 	imm = rtrs_to_io_rsp_imm(id->msg_id, errno, need_inval);
 	imm_wr.wr.next = NULL;
 	if (always_invalidate) {
-		struct ib_sge list;
 		struct rtrs_msg_rkey_rsp *msg;
 
 		srv_mr = &srv_path->mrs[id->msg_id];

drivers/interconnect/icc-clk.c

···
 		}
 
 		node->name = devm_kasprintf(dev, GFP_KERNEL, "%s_master", data[i].name);
+		if (!node->name) {
+			ret = -ENOMEM;
+			goto err;
+		}
+
 		node->data = &qp->clocks[i];
 		icc_node_add(node, provider);
 		/* link to the next node, slave */
···
 		}
 
 		node->name = devm_kasprintf(dev, GFP_KERNEL, "%s_slave", data[i].name);
+		if (!node->name) {
+			ret = -ENOMEM;
+			goto err;
+		}
+
 		/* no data for slave node */
 		icc_node_add(node, provider);
 		onecell->nodes[j++] = node;

drivers/interconnect/qcom/icc-rpm.c

···
 			    GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
+	data->num_nodes = num_nodes;
 
 	qp->num_intf_clks = cd_num;
 	for (i = 0; i < cd_num; i++)
···
 
 		data->nodes[i] = node;
 	}
-	data->num_nodes = num_nodes;
 
 	clk_bulk_disable_unprepare(qp->num_intf_clks, qp->intf_clks);
 

drivers/macintosh/Kconfig

···
 config PMAC_BACKLIGHT
 	bool "Backlight control for LCD screens"
 	depends on PPC_PMAC && ADB_PMU && FB = y && (BROKEN || !PPC64)
+	depends on BACKLIGHT_CLASS_DEVICE=y
 	select FB_BACKLIGHT
 	help
 	  Say Y here to enable Macintosh specific extensions of the generic

drivers/md/dm-ebs-target.c

···
 static struct target_type ebs_target = {
 	.name		 = "ebs",
 	.version	 = {1, 0, 1},
-	.features	 = DM_TARGET_PASSES_INTEGRITY,
+	.features	 = 0,
 	.module		 = THIS_MODULE,
 	.ctr		 = ebs_ctr,
 	.dtr		 = ebs_dtr,

drivers/md/dm-thin.c

···
 	struct thin_c *tc = NULL;
 
 	rcu_read_lock();
-	if (!list_empty(&pool->active_thins)) {
-		tc = list_entry_rcu(pool->active_thins.next, struct thin_c, list);
+	tc = list_first_or_null_rcu(&pool->active_thins, struct thin_c, list);
+	if (tc)
 		thin_get(tc);
-	}
 	rcu_read_unlock();
 
 	return tc;

drivers/md/dm-verity-fec.c

···
 }
 
 /*
- * Decode an RS block using Reed-Solomon.
- */
-static int fec_decode_rs8(struct dm_verity *v, struct dm_verity_fec_io *fio,
-			  u8 *data, u8 *fec, int neras)
-{
-	int i;
-	uint16_t par[DM_VERITY_FEC_RSM - DM_VERITY_FEC_MIN_RSN];
-
-	for (i = 0; i < v->fec->roots; i++)
-		par[i] = fec[i];
-
-	return decode_rs8(fio->rs, data, par, v->fec->rsn, NULL, neras,
-			  fio->erasures, 0, NULL);
-}
-
-/*
  * Read error-correcting codes for the requested RS block. Returns a pointer
  * to the data block. Caller is responsible for releasing buf.
  */
 static u8 *fec_read_parity(struct dm_verity *v, u64 rsb, int index,
-			   unsigned int *offset, struct dm_buffer **buf,
-			   unsigned short ioprio)
+			   unsigned int *offset, unsigned int par_buf_offset,
+			   struct dm_buffer **buf, unsigned short ioprio)
 {
 	u64 position, block, rem;
 	u8 *res;
 
+	/* We have already part of parity bytes read, skip to the next block */
+	if (par_buf_offset)
+		index++;
+
 	position = (index + rsb) * v->fec->roots;
 	block = div64_u64_rem(position, v->fec->io_size, &rem);
-	*offset = (unsigned int)rem;
+	*offset = par_buf_offset ? 0 : (unsigned int)rem;
 
 	res = dm_bufio_read_with_ioprio(v->fec->bufio, block, buf, ioprio);
 	if (IS_ERR(res)) {
···
 {
 	int r, corrected = 0, res;
 	struct dm_buffer *buf;
-	unsigned int n, i, offset;
+	unsigned int n, i, j, offset, par_buf_offset = 0;
+	uint16_t par_buf[DM_VERITY_FEC_RSM - DM_VERITY_FEC_MIN_RSN];
 	u8 *par, *block;
 	struct bio *bio = dm_bio_from_per_bio_data(io, v->ti->per_io_data_size);
 
-	par = fec_read_parity(v, rsb, block_offset, &offset, &buf, bio_prio(bio));
+	par = fec_read_parity(v, rsb, block_offset, &offset,
+			      par_buf_offset, &buf, bio_prio(bio));
 	if (IS_ERR(par))
 		return PTR_ERR(par);
 
···
 	 */
 	fec_for_each_buffer_rs_block(fio, n, i) {
 		block = fec_buffer_rs_block(v, fio, n, i);
-		res = fec_decode_rs8(v, fio, block, &par[offset], neras);
+		for (j = 0; j < v->fec->roots - par_buf_offset; j++)
+			par_buf[par_buf_offset + j] = par[offset + j];
+		/* Decode an RS block using Reed-Solomon */
+		res = decode_rs8(fio->rs, block, par_buf, v->fec->rsn,
+				 NULL, neras, fio->erasures, 0, NULL);
 		if (res < 0) {
 			r = res;
 			goto error;
···
 		if (block_offset >= 1 << v->data_dev_block_bits)
 			goto done;
 
-		/* read the next block when we run out of parity bytes */
-		offset += v->fec->roots;
+		/* Read the next block when we run out of parity bytes */
+		offset += (v->fec->roots - par_buf_offset);
+		/* Check if parity bytes are split between blocks */
+		if (offset < v->fec->io_size && (offset + v->fec->roots) > v->fec->io_size) {
+			par_buf_offset = v->fec->io_size - offset;
+			for (j = 0; j < par_buf_offset; j++)
+				par_buf[j] = par[offset + j];
+			offset += par_buf_offset;
+		} else
+			par_buf_offset = 0;
+
 		if (offset >= v->fec->io_size) {
 			dm_bufio_release(buf);
 
-			par = fec_read_parity(v, rsb, block_offset, &offset, &buf, bio_prio(bio));
+			par = fec_read_parity(v, rsb, block_offset, &offset,
+					      par_buf_offset, &buf, bio_prio(bio));
 			if (IS_ERR(par))
 				return PTR_ERR(par);
 		}
···
 		return -E2BIG;
 	}
 
-	if ((f->roots << SECTOR_SHIFT) & ((1 << v->data_dev_block_bits) - 1))
-		f->io_size = 1 << v->data_dev_block_bits;
-	else
-		f->io_size = v->fec->roots << SECTOR_SHIFT;
+	f->io_size = 1 << v->data_dev_block_bits;
 
 	f->bufio = dm_bufio_client_create(f->dev->bdev,
 					  f->io_size,

drivers/md/persistent-data/dm-array.c

···
 	if (c->block)
 		unlock_ablock(c->info, c->block);
 
-	c->block = NULL;
-	c->ab = NULL;
 	c->index = 0;
 
 	r = dm_btree_cursor_get_value(&c->cursor, &key, &value_le);
 	if (r) {
 		DMERR("dm_btree_cursor_get_value failed");
-		dm_btree_cursor_end(&c->cursor);
+		goto out;
 
 	} else {
 		r = get_ablock(c->info, le64_to_cpu(value_le), &c->block, &c->ab);
 		if (r) {
 			DMERR("get_ablock failed");
-			dm_btree_cursor_end(&c->cursor);
+			goto out;
 		}
 	}
 
+	return 0;
+
+out:
+	dm_btree_cursor_end(&c->cursor);
+	c->block = NULL;
+	c->ab = NULL;
 	return r;
 }
 
···
 
 void dm_array_cursor_end(struct dm_array_cursor *c)
 {
-	if (c->block) {
+	if (c->block)
 		unlock_ablock(c->info, c->block);
-		dm_btree_cursor_end(&c->cursor);
-	}
+
+	dm_btree_cursor_end(&c->cursor);
 }
 EXPORT_SYMBOL_GPL(dm_array_cursor_end);
 
···
 		}
 
 		count -= remaining;
+		c->index += (remaining - 1);
 		r = dm_array_cursor_next(c);
 
 	} while (!r);

drivers/media/dvb-frontends/dib3000mb.c

···
 static int dib3000_read_reg(struct dib3000_state *state, u16 reg)
 {
 	u8 wb[] = { ((reg >> 8) | 0x80) & 0xff, reg & 0xff };
-	u8 rb[2];
+	u8 rb[2] = {};
 	struct i2c_msg msg[] = {
 		{ .addr = state->config.demod_address, .flags = 0,        .buf = wb, .len = 2 },
 		{ .addr = state->config.demod_address, .flags = I2C_M_RD, .buf = rb, .len = 2 },

drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c

···
 	return ret;
 }
 
-static
+/* clang stack usage explodes if this is inlined */
+static noinline_for_stack
 void vdec_vp9_slice_map_counts_eob_coef(unsigned int i, unsigned int j, unsigned int k,
 					struct vdec_vp9_slice_frame_counts *counts,
 					struct v4l2_vp9_frame_symbol_counts *counts_helper)

drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c

···
 		pci1xxx_assign_bit(priv->reg_base, OPENDRAIN_OFFSET(offset), (offset % 32), true);
 		break;
 	default:
-		ret = -EOPNOTSUPP;
+		ret = -ENOTSUPP;
 		break;
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
···
 			writel(BIT(bit), priv->reg_base + INTR_STATUS_OFFSET(gpiobank));
 			spin_unlock_irqrestore(&priv->lock, flags);
 			irq = irq_find_mapping(gc->irq.domain, (bit + (gpiobank * 32)));
-			generic_handle_irq(irq);
+			handle_nested_irq(irq);
 		}
 	}
 	spin_lock_irqsave(&priv->lock, flags);

drivers/mmc/host/mtk-sd.c

···
 	msdc_gate_clock(host);
 	platform_set_drvdata(pdev, NULL);
 release_mem:
+	device_init_wakeup(&pdev->dev, false);
 	if (host->dma.gpd)
 		dma_free_coherent(&pdev->dev,
 			2 * sizeof(struct mt_gpdma_desc),
···
 			host->dma.gpd, host->dma.gpd_addr);
 	dma_free_coherent(&pdev->dev, MAX_BD_NUM * sizeof(struct mt_bdma_desc),
 			  host->dma.bd, host->dma.bd_addr);
+	device_init_wakeup(&pdev->dev, false);
 }
 
 static void msdc_save_reg(struct msdc_host *host)

drivers/mmc/host/sdhci-msm.c

···
 	struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
 	union cqhci_crypto_cap_entry cap;
 
+	if (!(cfg->config_enable & CQHCI_CRYPTO_CONFIGURATION_ENABLE))
+		return qcom_ice_evict_key(msm_host->ice, slot);
+
 	/* Only AES-256-XTS has been tested so far. */
 	cap = cq_host->crypto_cap_array[cfg->crypto_cap_idx];
 	if (cap.algorithm_id != CQHCI_CRYPTO_ALG_AES_XTS ||
 		cap.key_size != CQHCI_CRYPTO_KEY_SIZE_256)
 		return -EINVAL;
 
-	if (cfg->config_enable & CQHCI_CRYPTO_CONFIGURATION_ENABLE)
-		return qcom_ice_program_key(msm_host->ice,
-					    QCOM_ICE_CRYPTO_ALG_AES_XTS,
-					    QCOM_ICE_CRYPTO_KEY_SIZE_256,
-					    cfg->crypto_key,
-					    cfg->data_unit_size, slot);
-	else
-		return qcom_ice_evict_key(msm_host->ice, slot);
+	return qcom_ice_program_key(msm_host->ice,
+				    QCOM_ICE_CRYPTO_ALG_AES_XTS,
+				    QCOM_ICE_CRYPTO_KEY_SIZE_256,
+				    cfg->crypto_key,
+				    cfg->data_unit_size, slot);
 }
 
 #else /* CONFIG_MMC_CRYPTO */

drivers/mmc/host/sdhci-tegra.c

···
 	.quirks = SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
 		  SDHCI_QUIRK_SINGLE_POWER_WRITE |
 		  SDHCI_QUIRK_NO_HISPD_BIT |
-		  SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC |
 		  SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
 	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
 		   SDHCI_QUIRK2_ISSUE_CMD_DAT_RESET_TOGETHER,

drivers/mtd/nand/raw/arasan-nand-controller.c

···
 	 * case, the "not" chosen CS is assigned to nfc->spare_cs and selected
 	 * whenever a GPIO CS must be asserted.
 	 */
-	if (nfc->cs_array && nfc->ncs > 2) {
-		if (!nfc->cs_array[0] && !nfc->cs_array[1]) {
+	if (nfc->cs_array) {
+		if (nfc->ncs > 2 && !nfc->cs_array[0] && !nfc->cs_array[1]) {
 			dev_err(nfc->dev,
 				"Assign a single native CS when using GPIOs\n");
 			return -EINVAL;
···
 
 static void anfc_remove(struct platform_device *pdev)
 {
+	int i;
 	struct arasan_nfc *nfc = platform_get_drvdata(pdev);
+
+	for (i = 0; i < nfc->ncs; i++) {
+		if (nfc->cs_array[i]) {
+			gpiod_put(nfc->cs_array[i]);
+		}
+	}
 
 	anfc_chips_cleanup(nfc);
 }

drivers/mtd/nand/raw/atmel/pmecc.c

···
 	user->delta = user->dmu + req->ecc.strength + 1;
 
 	gf_tables = atmel_pmecc_get_gf_tables(req);
-	if (IS_ERR(gf_tables)) {
-		kfree(user);
+	if (IS_ERR(gf_tables))
 		return ERR_CAST(gf_tables);
-	}
 
 	user->gf_tables = gf_tables;
 

drivers/mtd/nand/raw/diskonchip.c

···
 		    (i == 0) && (ip->firstUnit > 0)) {
 			parts[0].name = " DiskOnChip IPL / Media Header partition";
 			parts[0].offset = 0;
-			parts[0].size = mtd->erasesize * ip->firstUnit;
+			parts[0].size = (uint64_t)mtd->erasesize * ip->firstUnit;
 			numparts = 1;
 		}
 

drivers/mtd/nand/raw/omap2.c

···
 
 /**
  * omap_nand_data_in_pref - NAND data in using prefetch engine
+ * @chip: NAND chip
+ * @buf: output buffer where NAND data is placed into
+ * @len: length of transfer
+ * @force_8bit: force 8-bit transfers
  */
 static void omap_nand_data_in_pref(struct nand_chip *chip, void *buf,
 				   unsigned int len, bool force_8bit)
···
 
 /**
  * omap_nand_data_out_pref - NAND data out using Write Posting engine
+ * @chip: NAND chip
+ * @buf: input buffer that is sent to NAND
+ * @len: length of transfer
+ * @force_8bit: force 8-bit transfers
  */
 static void omap_nand_data_out_pref(struct nand_chip *chip,
 				    const void *buf, unsigned int len,
···
 
 /**
  * omap_nand_data_in_dma_pref - NAND data in using DMA and Prefetch
+ * @chip: NAND chip
+ * @buf: output buffer where NAND data is placed into
+ * @len: length of transfer
+ * @force_8bit: force 8-bit transfers
  */
 static void omap_nand_data_in_dma_pref(struct nand_chip *chip, void *buf,
 				       unsigned int len, bool force_8bit)
···
 
 /**
  * omap_nand_data_out_dma_pref - NAND data out using DMA and write posting
+ * @chip: NAND chip
+ * @buf: input buffer that is sent to NAND
+ * @len: length of transfer
+ * @force_8bit: force 8-bit transfers
  */
 static void omap_nand_data_out_dma_pref(struct nand_chip *chip,
 					const void *buf, unsigned int len,

drivers/net/can/m_can/m_can.c

···
 static int m_can_interrupt_handler(struct m_can_classdev *cdev)
 {
 	struct net_device *dev = cdev->net;
-	u32 ir;
+	u32 ir = 0, ir_read;
 	int ret;
 
 	if (pm_runtime_suspended(cdev->dev))
 		return IRQ_NONE;
 
-	ir = m_can_read(cdev, M_CAN_IR);
+	/* The m_can controller signals its interrupt status as a level, but
+	 * depending in the integration the CPU may interpret the signal as
+	 * edge-triggered (for example with m_can_pci). For these
+	 * edge-triggered integrations, we must observe that IR is 0 at least
+	 * once to be sure that the next interrupt will generate an edge.
+	 */
+	while ((ir_read = m_can_read(cdev, M_CAN_IR)) != 0) {
+		ir |= ir_read;
+
+		/* ACK all irqs */
+		m_can_write(cdev, M_CAN_IR, ir);
+
+		if (!cdev->irq_edge_triggered)
+			break;
+	}
+
 	m_can_coalescing_update(cdev, ir);
 	if (!ir)
 		return IRQ_NONE;
-
-	/* ACK all irqs */
-	m_can_write(cdev, M_CAN_IR, ir);
 
 	if (cdev->ops->clear_interrupts)
 		cdev->ops->clear_interrupts(cdev);
···
 		return -EINVAL;
 	}
 
+	/* Write the INIT bit, in case no hardware reset has happened before
+	 * the probe (for example, it was observed that the Intel Elkhart Lake
+	 * SoCs do not properly reset the CAN controllers on reboot)
+	 */
+	err = m_can_cccr_update_bits(cdev, CCCR_INIT, CCCR_INIT);
+	if (err)
+		return err;
+
 	if (!cdev->is_peripheral)
 		netif_napi_add(dev, &cdev->napi, m_can_poll);
 
···
 		return -EINVAL;
 	}
 
-	/* Forcing standby mode should be redundant, as the chip should be in
-	 * standby after a reset. Write the INIT bit anyways, should the chip
-	 * be configured by previous stage.
-	 */
-	return m_can_cccr_update_bits(cdev, CCCR_INIT, CCCR_INIT);
+	return 0;
 }
 
 static void m_can_stop(struct net_device *dev)

drivers/net/can/m_can/m_can.h

···
 	int pm_clock_support;
 	int pm_wake_source;
 	int is_peripheral;
+	bool irq_edge_triggered;
 
 	// Cached M_CAN_IE register content
 	u32 active_interrupts;

drivers/net/can/m_can/m_can_pci.c

···
 	mcan_class->pm_clock_support = 1;
 	mcan_class->pm_wake_source = 0;
 	mcan_class->can.clock.freq = id->driver_data;
+	mcan_class->irq_edge_triggered = true;
 	mcan_class->ops = &m_can_pci_ops;
 
 	pci_set_drvdata(pci, mcan_class);

drivers/net/dsa/microchip/ksz9477.c

···
 /*
  * Microchip KSZ9477 switch driver main logic
  *
- * Copyright (C) 2017-2019 Microchip Technology Inc.
+ * Copyright (C) 2017-2024 Microchip Technology Inc.
  */
 
 #include <linux/kernel.h>
···
 int ksz9477_set_ageing_time(struct ksz_device *dev, unsigned int msecs)
 {
 	u32 secs = msecs / 1000;
-	u8 value;
-	u8 data;
+	u8 data, mult, value;
+	u32 max_val;
 	int ret;
 
-	value = FIELD_GET(SW_AGE_PERIOD_7_0_M, secs);
+#define MAX_TIMER_VAL	((1 << 8) - 1)
 
-	ret = ksz_write8(dev, REG_SW_LUE_CTRL_3, value);
-	if (ret < 0)
-		return ret;
+	/* The aging timer comprises a 3-bit multiplier and an 8-bit second
+	 * value.  Either of them cannot be zero.  The maximum timer is then
+	 * 7 * 255 = 1785 seconds.
+	 */
+	if (!secs)
+		secs = 1;
 
-	data = FIELD_GET(SW_AGE_PERIOD_10_8_M, secs);
+	/* Return error if too large. */
+	else if (secs > 7 * MAX_TIMER_VAL)
+		return -EINVAL;
 
 	ret = ksz_read8(dev, REG_SW_LUE_CTRL_0, &value);
 	if (ret < 0)
 		return ret;
 
-	value &= ~SW_AGE_CNT_M;
-	value |= FIELD_PREP(SW_AGE_CNT_M, data);
+	/* Check whether there is need to update the multiplier. */
+	mult = FIELD_GET(SW_AGE_CNT_M, value);
+	max_val = MAX_TIMER_VAL;
+	if (mult > 0) {
+		/* Try to use the same multiplier already in the register as
+		 * the hardware default uses multiplier 4 and 75 seconds for
+		 * 300 seconds.
+		 */
+		max_val = DIV_ROUND_UP(secs, mult);
+		if (max_val > MAX_TIMER_VAL || max_val * mult != secs)
+			max_val = MAX_TIMER_VAL;
+	}
 
-	return ksz_write8(dev, REG_SW_LUE_CTRL_0, value);
+	data = DIV_ROUND_UP(secs, max_val);
+	if (mult != data) {
+		value &= ~SW_AGE_CNT_M;
+		value |= FIELD_PREP(SW_AGE_CNT_M, data);
+		ret = ksz_write8(dev, REG_SW_LUE_CTRL_0, value);
+		if (ret < 0)
+			return ret;
+	}
+
+	value = DIV_ROUND_UP(secs, data);
+	return ksz_write8(dev, REG_SW_LUE_CTRL_3, value);
 }
 
 void ksz9477_port_queue_split(struct ksz_device *dev, int port)

drivers/net/dsa/microchip/ksz9477_reg.h

···
 /*
  * Microchip KSZ9477 register definitions
  *
- * Copyright (C) 2017-2018 Microchip Technology Inc.
+ * Copyright (C) 2017-2024 Microchip Technology Inc.
  */
 
 #ifndef __KSZ9477_REGS_H
···
 #define SW_VLAN_ENABLE			BIT(7)
 #define SW_DROP_INVALID_VID		BIT(6)
 #define SW_AGE_CNT_M			GENMASK(5, 3)
-#define SW_AGE_CNT_S			3
-#define SW_AGE_PERIOD_10_8_M		GENMASK(10, 8)
 #define SW_RESV_MCAST_ENABLE		BIT(2)
 #define SW_HASH_OPTION_M		0x03
 #define SW_HASH_OPTION_CRC		1

drivers/net/dsa/microchip/lan937x_main.c

···
 // SPDX-License-Identifier: GPL-2.0
 /* Microchip LAN937X switch driver main logic
- * Copyright (C) 2019-2022 Microchip Technology Inc.
+ * Copyright (C) 2019-2024 Microchip Technology Inc.
  */
 #include <linux/kernel.h>
 #include <linux/module.h>
···
 
 int lan937x_set_ageing_time(struct ksz_device *dev, unsigned int msecs)
 {
-	u32 secs = msecs / 1000;
-	u32 value;
+	u8 data, mult, value8;
+	bool in_msec = false;
+	u32 max_val, value;
+	u32 secs = msecs;
 	int ret;
+
+#define MAX_TIMER_VAL	((1 << 20) - 1)
+
+	/* The aging timer comprises a 3-bit multiplier and a 20-bit second
+	 * value.  Either of them cannot be zero.  The maximum timer is then
+	 * 7 * 1048575 = 7340025 seconds.  As this value is too large for
+	 * practical use it can be interpreted as microseconds, making the
+	 * maximum timer 7340 seconds with finer control.  This allows for
+	 * maximum 122 minutes compared to 29 minutes in KSZ9477 switch.
+	 */
+	if (msecs % 1000)
+		in_msec = true;
+	else
+		secs /= 1000;
+	if (!secs)
+		secs = 1;
+
+	/* Return error if too large. */
+	else if (secs > 7 * MAX_TIMER_VAL)
+		return -EINVAL;
+
+	/* Configure how to interpret the number value. */
+	ret = ksz_rmw8(dev, REG_SW_LUE_CTRL_2, SW_AGE_CNT_IN_MICROSEC,
+		       in_msec ? SW_AGE_CNT_IN_MICROSEC : 0);
+	if (ret < 0)
+		return ret;
+
+	ret = ksz_read8(dev, REG_SW_LUE_CTRL_0, &value8);
+	if (ret < 0)
+		return ret;
+
+	/* Check whether there is need to update the multiplier. */
+	mult = FIELD_GET(SW_AGE_CNT_M, value8);
+	max_val = MAX_TIMER_VAL;
+	if (mult > 0) {
+		/* Try to use the same multiplier already in the register as
+		 * the hardware default uses multiplier 4 and 75 seconds for
+		 * 300 seconds.
+		 */
+		max_val = DIV_ROUND_UP(secs, mult);
+		if (max_val > MAX_TIMER_VAL || max_val * mult != secs)
+			max_val = MAX_TIMER_VAL;
+	}
+
+	data = DIV_ROUND_UP(secs, max_val);
+	if (mult != data) {
+		value8 &= ~SW_AGE_CNT_M;
+		value8 |= FIELD_PREP(SW_AGE_CNT_M, data);
+		ret = ksz_write8(dev, REG_SW_LUE_CTRL_0, value8);
+		if (ret < 0)
+			return ret;
+	}
+
+	secs = DIV_ROUND_UP(secs, data);
 
 	value = FIELD_GET(SW_AGE_PERIOD_7_0_M, secs);
 

drivers/net/dsa/microchip/lan937x_reg.h

···
 /* SPDX-License-Identifier: GPL-2.0 */
 /* Microchip LAN937X switch register definitions
- * Copyright (C) 2019-2021 Microchip Technology Inc.
+ * Copyright (C) 2019-2024 Microchip Technology Inc.
  */
 #ifndef __LAN937X_REG_H
 #define __LAN937X_REG_H
···
 
 #define SW_VLAN_ENABLE			BIT(7)
 #define SW_DROP_INVALID_VID		BIT(6)
-#define SW_AGE_CNT_M			0x7
-#define SW_AGE_CNT_S			3
+#define SW_AGE_CNT_M			GENMASK(5, 3)
 #define SW_RESV_MCAST_ENABLE		BIT(2)
 
 #define REG_SW_LUE_CTRL_1		0x0311
···
 #define SW_AGING_ENABLE			BIT(2)
 #define SW_FAST_AGING			BIT(1)
 #define SW_LINK_AUTO_AGING		BIT(0)
+
+#define REG_SW_LUE_CTRL_2		0x0312
+
+#define SW_AGE_CNT_IN_MICROSEC		BIT(7)
 
 #define REG_SW_AGE_PERIOD__1		0x0313
 #define SW_AGE_PERIOD_7_0_M		GENMASK(7, 0)

drivers/net/ethernet/amd/pds_core/devlink.c

···
 	if (err && err != -EIO)
 		return err;
 
-	listlen = fw_list.num_fw_slots;
+	listlen = min(fw_list.num_fw_slots, ARRAY_SIZE(fw_list.fw_names));
 	for (i = 0; i < listlen; i++) {
 		if (i < ARRAY_SIZE(fw_slotnames))
 			strscpy(buf, fw_slotnames[i], sizeof(buf));

drivers/net/ethernet/broadcom/bcmsysport.c

···
 	unsigned int i;
 	int ret;
 
-	clk_prepare_enable(priv->clk);
+	ret = clk_prepare_enable(priv->clk);
+	if (ret) {
+		netdev_err(dev, "could not enable priv clock\n");
+		return ret;
+	}
 
 	/* Reset UniMAC */
 	umac_reset(priv);
···
 		goto err_deregister_notifier;
 	}
 
-	clk_prepare_enable(priv->clk);
+	ret = clk_prepare_enable(priv->clk);
+	if (ret) {
+		dev_err(&pdev->dev, "could not enable priv clock\n");
+		goto err_deregister_netdev;
+	}
 
 	priv->rev = topctrl_readl(priv, REV_CNTL) & REV_MASK;
 	dev_info(&pdev->dev,
···
 
 	return 0;
 
+err_deregister_netdev:
+	unregister_netdev(dev);
 err_deregister_notifier:
 	unregister_netdevice_notifier(&priv->netdev_notifier);
 err_deregister_fixed_link:
···
 	if (!netif_running(dev))
 		return 0;
 
-	clk_prepare_enable(priv->clk);
+	ret = clk_prepare_enable(priv->clk);
+	if (ret) {
+		netdev_err(dev, "could not enable priv clock\n");
+		return ret;
+	}
+
 	if (priv->wolopts)
 		clk_disable_unprepare(priv->wol_clk);
 

drivers/net/ethernet/broadcom/bgmac-platform.c

···
 static int bgmac_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
+	struct device_node *phy_node;
 	struct bgmac *bgmac;
 	struct resource *regs;
 	int ret;
···
 	bgmac->cco_ctl_maskset = platform_bgmac_cco_ctl_maskset;
 	bgmac->get_bus_clock = platform_bgmac_get_bus_clock;
 	bgmac->cmn_maskset32 = platform_bgmac_cmn_maskset32;
-	if (of_parse_phandle(np, "phy-handle", 0)) {
+	phy_node = of_parse_phandle(np, "phy-handle", 0);
+	if (phy_node) {
+		of_node_put(phy_node);
 		bgmac->phy_connect = platform_phy_connect;
 	} else {
 		bgmac->phy_connect = bgmac_phy_connect_direct;

drivers/net/ethernet/broadcom/bnxt/bnxt.c

···
 	return 0;
 }
 
+static bool bnxt_vnic_is_active(struct bnxt *bp)
+{
+	struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
+
+	return vnic->fw_vnic_id != INVALID_HW_RING_ID && vnic->mru > 0;
+}
+
 static irqreturn_t bnxt_msix(int irq, void *dev_instance)
 {
 	struct bnxt_napi *bnapi = dev_instance;
···
 			break;
 		}
 	}
-	if (bp->flags & BNXT_FLAG_DIM) {
+	if ((bp->flags & BNXT_FLAG_DIM) && bnxt_vnic_is_active(bp)) {
 		struct dim_sample dim_sample = {};
 
 		dim_update_sample(cpr->event_ctr,
···
 poll_done:
 	cpr_rx = &cpr->cp_ring_arr[0];
 	if (cpr_rx->cp_ring_type == BNXT_NQ_HDL_TYPE_RX &&
-	    (bp->flags & BNXT_FLAG_DIM)) {
+	    (bp->flags & BNXT_FLAG_DIM) && bnxt_vnic_is_active(bp)) {
 		struct dim_sample dim_sample = {};
 
 		dim_update_sample(cpr->event_ctr,
···
 	return rc;
 }
 
+static void bnxt_cancel_dim(struct bnxt *bp)
+{
+	int i;
+
+	/* DIM work is initialized in bnxt_enable_napi().  Proceed only
+	 * if NAPI is enabled.
+	 */
+	if (!bp->bnapi || test_bit(BNXT_STATE_NAPI_DISABLED, &bp->state))
+		return;
+
+	/* Make sure NAPI sees that the VNIC is disabled */
+	synchronize_net();
+	for (i = 0; i < bp->rx_nr_rings; i++) {
+		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
+		struct bnxt_napi *bnapi = rxr->bnapi;
+
+		cancel_work_sync(&bnapi->cp_ring.dim.work);
+	}
+}
+
 static int hwrm_ring_free_send_msg(struct bnxt *bp,
 				   struct bnxt_ring_struct *ring,
 				   u32 ring_type, int cmpl_ring_id)
···
 		}
 	}
 
+	bnxt_cancel_dim(bp);
 	for (i = 0; i < bp->rx_nr_rings; i++) {
 		bnxt_hwrm_rx_ring_free(bp, &bp->rx_ring[i], close_path);
 		bnxt_hwrm_rx_agg_ring_free(bp, &bp->rx_ring[i], close_path);
···
 		if (bnapi->in_reset)
 			cpr->sw_stats->rx.rx_resets++;
 		napi_disable(&bnapi->napi);
-		if (bnapi->rx_ring)
-			cancel_work_sync(&cpr->dim.work);
 	}
 }
 
···
 		bnxt_hwrm_vnic_update(bp, vnic,
 				      VNIC_UPDATE_REQ_ENABLES_MRU_VALID);
 	}
-
+	/* Make sure NAPI sees that the VNIC is disabled */
+	synchronize_net();
 	rxr = &bp->rx_ring[idx];
+	cancel_work_sync(&rxr->bnapi->cp_ring.dim.work);
 	bnxt_hwrm_rx_ring_free(bp, rxr, false);
 	bnxt_hwrm_rx_agg_ring_free(bp, rxr, false);
 	rxr->rx_next_cons = 0;

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c

···
 
 	rc = hwrm_req_replace(bp, req, fw_msg->msg, fw_msg->msg_len);
 	if (rc)
-		return rc;
+		goto drop_req;
 
 	hwrm_req_timeout(bp, req, fw_msg->timeout);
 	resp = hwrm_req_hold(bp, req);
···
 
 		memcpy(fw_msg->resp, resp, resp_len);
 	}
+drop_req:
 	hwrm_req_drop(bp, req);
 	return rc;
 }

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

···
 	struct adapter *adap = container_of(t, struct adapter, tids);
 	struct sk_buff *skb;
 
-	WARN_ON(tid_out_of_range(&adap->tids, tid));
+	if (tid_out_of_range(&adap->tids, tid)) {
+		dev_err(adap->pdev_dev, "tid %d out of range\n", tid);
+		return;
+	}
 
 	if (t->tid_tab[tid - adap->tids.tid_base]) {
 		t->tid_tab[tid - adap->tids.tid_base] = NULL;

drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_main.c

···
 	 * driver. Once driver synthesizes cpl_pass_accept_req the skb will go
 	 * through the regular cpl_pass_accept_req processing in TOM.
 	 */
-	skb = alloc_skb(gl->tot_len + sizeof(struct cpl_pass_accept_req)
-			- pktshift, GFP_ATOMIC);
+	skb = alloc_skb(size_add(gl->tot_len,
+				 sizeof(struct cpl_pass_accept_req)) -
+			pktshift, GFP_ATOMIC);
 	if (unlikely(!skb))
 		return NULL;
 	__skb_put(skb, gl->tot_len + sizeof(struct cpl_pass_accept_req)

drivers/net/ethernet/google/gve/gve.h

···
 void gve_xdp_tx_flush(struct gve_priv *priv, u32 xdp_qid);
 bool gve_tx_poll(struct gve_notify_block *block, int budget);
 bool gve_xdp_poll(struct gve_notify_block *block, int budget);
+int gve_xsk_tx_poll(struct gve_notify_block *block, int budget);
 int gve_tx_alloc_rings_gqi(struct gve_priv *priv,
 			   struct gve_tx_alloc_rings_cfg *cfg);
 void gve_tx_free_rings_gqi(struct gve_priv *priv,

drivers/net/ethernet/google/gve/gve_main.c

···
 
 	if (block->rx) {
 		work_done = gve_rx_poll(block, budget);
+
+		/* Poll XSK TX as part of RX NAPI. Setup re-poll based on max of
+		 * TX and RX work done.
+		 */
+		if (priv->xdp_prog)
+			work_done = max_t(int, work_done,
+					  gve_xsk_tx_poll(block, budget));
+
 		reschedule |= work_done == budget;
 	}
 
···
 static void gve_tx_get_curr_alloc_cfg(struct gve_priv *priv,
 				      struct gve_tx_alloc_rings_cfg *cfg)
 {
+	int num_xdp_queues = priv->xdp_prog ? priv->rx_cfg.num_queues : 0;
+
 	cfg->qcfg = &priv->tx_cfg;
 	cfg->raw_addressing = !gve_is_qpl(priv);
 	cfg->ring_size = priv->tx_desc_cnt;
 	cfg->start_idx = 0;
-	cfg->num_rings = gve_num_tx_queues(priv);
+	cfg->num_rings = priv->tx_cfg.num_queues + num_xdp_queues;
 	cfg->tx = priv->tx;
 }
 
···
 	if (err)
 		return err;
 
-	/* If XDP prog is not installed, return */
-	if (!priv->xdp_prog)
+	/* If XDP prog is not installed or interface is down, return. */
+	if (!priv->xdp_prog || !netif_running(dev))
 		return 0;
 
 	rx = &priv->rx[qid];
···
 	if (qid >= priv->rx_cfg.num_queues)
 		return -EINVAL;
 
-	/* If XDP prog is not installed, unmap DMA and return */
-	if (!priv->xdp_prog)
+	/* If XDP prog is not installed or interface is down, unmap DMA and
+	 * return.
+	 */
+	if (!priv->xdp_prog || !netif_running(dev))
 		goto done;
-
-	tx_qid = gve_xdp_tx_queue_id(priv, qid);
-	if (!netif_running(dev)) {
-		priv->rx[qid].xsk_pool = NULL;
-		xdp_rxq_info_unreg(&priv->rx[qid].xsk_rxq);
-		priv->tx[tx_qid].xsk_pool = NULL;
-		goto done;
-	}
 
 	napi_rx = &priv->ntfy_blocks[priv->rx[qid].ntfy_id].napi;
 	napi_disable(napi_rx); /* make sure current rx poll is done */
 
+	tx_qid = gve_xdp_tx_queue_id(priv, qid);
 	napi_tx = &priv->ntfy_blocks[priv->tx[tx_qid].ntfy_id].napi;
 	napi_disable(napi_tx); /* make sure current tx poll is done */
 
···
 static int gve_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags)
 {
 	struct gve_priv *priv = netdev_priv(dev);
-	int tx_queue_id = gve_xdp_tx_queue_id(priv, queue_id);
+	struct napi_struct *napi;
+
+	if (!gve_get_napi_enabled(priv))
+		return -ENETDOWN;
 
 	if (queue_id >= priv->rx_cfg.num_queues || !priv->xdp_prog)
 		return -EINVAL;
 
-	if (flags & XDP_WAKEUP_TX) {
-		struct gve_tx_ring *tx = &priv->tx[tx_queue_id];
-		struct napi_struct *napi =
-			&priv->ntfy_blocks[tx->ntfy_id].napi;
-
-		if (!napi_if_scheduled_mark_missed(napi)) {
-			/* Call local_bh_enable to trigger SoftIRQ processing */
-			local_bh_disable();
-			napi_schedule(napi);
-			local_bh_enable();
-		}
-
-		tx->xdp_xsk_wakeup++;
+	napi = &priv->ntfy_blocks[gve_rx_idx_to_ntfy(priv, queue_id)].napi;
+	if (!napi_if_scheduled_mark_missed(napi)) {
+		/* Call local_bh_enable to trigger SoftIRQ processing */
+		local_bh_disable();
+		napi_schedule(napi);
+		local_bh_enable();
 	}
 
 	return 0;
···
 {
 	struct gve_tx_alloc_rings_cfg tx_alloc_cfg = {0};
 	struct gve_rx_alloc_rings_cfg rx_alloc_cfg = {0};
+	int num_xdp_queues;
 	int err;
 
 	gve_get_curr_alloc_cfgs(priv, &tx_alloc_cfg, &rx_alloc_cfg);
···
 	rx_alloc_cfg.qcfg_tx = &new_tx_config;
 	rx_alloc_cfg.qcfg = &new_rx_config;
 	tx_alloc_cfg.num_rings = new_tx_config.num_queues;
+
+	/* Add dedicated XDP TX queues if enabled. */
+	num_xdp_queues = priv->xdp_prog ? new_rx_config.num_queues : 0;
+	tx_alloc_cfg.num_rings += num_xdp_queues;
 
 	if (netif_running(priv->dev)) {
 		err = gve_adjust_config(priv, &tx_alloc_cfg, &rx_alloc_cfg);
···
 
 	gve_clear_napi_enabled(priv);
 	gve_clear_report_stats(priv);
+
+	/* Make sure that all traffic is finished processing. */
+	synchronize_net();
 }
 
 static void gve_turnup(struct gve_priv *priv)
···
 
 static void gve_set_netdev_xdp_features(struct gve_priv *priv)
 {
+	xdp_features_t xdp_features;
+
 	if (priv->queue_format == GVE_GQI_QPL_FORMAT) {
-		priv->dev->xdp_features = NETDEV_XDP_ACT_BASIC;
-		priv->dev->xdp_features |= NETDEV_XDP_ACT_REDIRECT;
-		priv->dev->xdp_features |= NETDEV_XDP_ACT_NDO_XMIT;
-		priv->dev->xdp_features |= NETDEV_XDP_ACT_XSK_ZEROCOPY;
+		xdp_features = NETDEV_XDP_ACT_BASIC;
+		xdp_features |= NETDEV_XDP_ACT_REDIRECT;
+		xdp_features |= NETDEV_XDP_ACT_NDO_XMIT;
+		xdp_features |= NETDEV_XDP_ACT_XSK_ZEROCOPY;
 	} else {
-		priv->dev->xdp_features = 0;
+		xdp_features = 0;
 	}
+
+	xdp_set_features_flag(priv->dev, xdp_features);
 }
 
 static int gve_init_priv(struct gve_priv *priv, bool skip_describe_device)

drivers/net/ethernet/google/gve/gve_tx.c

···
 		return;
 
 	gve_remove_napi(priv, ntfy_idx);
-	gve_clean_tx_done(priv, tx, priv->tx_desc_cnt, false);
+	if (tx->q_num < priv->tx_cfg.num_queues)
+		gve_clean_tx_done(priv, tx, priv->tx_desc_cnt, false);
+	else
+		gve_clean_xdp_done(priv, tx, priv->tx_desc_cnt);
 	netdev_tx_reset_queue(tx->netdev_txq);
 	gve_tx_remove_from_block(priv, idx);
 }
···
 	struct gve_tx_ring *tx;
 	int i, err = 0, qid;
 
-	if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
+	if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK) || !priv->xdp_prog)
 		return -EINVAL;
+
+	if (!gve_get_napi_enabled(priv))
+		return -ENETDOWN;
 
 	qid = gve_xdp_tx_queue_id(priv,
 				  smp_processor_id() % priv->num_xdp_queues);
···
 	return sent;
 }
 
+int gve_xsk_tx_poll(struct gve_notify_block *rx_block, int budget)
+{
+	struct gve_rx_ring *rx = rx_block->rx;
+	struct gve_priv *priv = rx->gve;
+	struct gve_tx_ring *tx;
+	int sent = 0;
+
+	tx = &priv->tx[gve_xdp_tx_queue_id(priv, rx->q_num)];
+	if (tx->xsk_pool) {
+		sent = gve_xsk_tx(priv, tx, budget);
+
+		u64_stats_update_begin(&tx->statss);
+		tx->xdp_xsk_sent += sent;
+		u64_stats_update_end(&tx->statss);
+		if (xsk_uses_need_wakeup(tx->xsk_pool))
+			xsk_set_tx_need_wakeup(tx->xsk_pool);
+	}
+
+	return sent;
+}
+
 bool gve_xdp_poll(struct gve_notify_block *block, int budget)
 {
 	struct gve_priv *priv = block->priv;
 	struct gve_tx_ring *tx = block->tx;
 	u32 nic_done;
-	bool repoll;
 	u32 to_do;
 
 	/* Find out how much work there is to be done */
 	nic_done = gve_tx_load_event_counter(priv, tx);
 	to_do = min_t(u32, (nic_done - tx->done), budget);
 	gve_clean_xdp_done(priv, tx, to_do);
-	repoll = nic_done != tx->done;
-
-	if (tx->xsk_pool) {
-		int sent = gve_xsk_tx(priv, tx, budget);
-
-		u64_stats_update_begin(&tx->statss);
-		tx->xdp_xsk_sent += sent;
-		u64_stats_update_end(&tx->statss);
-		repoll |= (sent == budget);
-		if (xsk_uses_need_wakeup(tx->xsk_pool))
-			xsk_set_tx_need_wakeup(tx->xsk_pool);
-	}
 
 	/* If we still have work we want to repoll */
-	return repoll;
+	return nic_done != tx->done;
 }
 
 bool gve_tx_poll(struct gve_notify_block *block, int budget)

drivers/net/ethernet/hisilicon/hns3/hnae3.h

···
 
 	u8 netdev_flags;
 	struct dentry *hnae3_dbgfs;
-	/* protects concurrent contention between debugfs commands */
-	struct mutex dbgfs_lock;
-	char **dbgfs_buf;
 
 	/* Network interface message level enabled bits */
 	u32 msg_enable;

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

···
 static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer,
 			     size_t count, loff_t *ppos)
 {
-	struct hns3_dbg_data *dbg_data = filp->private_data;
+	char *buf = filp->private_data;
+
+	return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
+}
+
+static int hns3_dbg_open(struct inode *inode, struct file *filp)
+{
+	struct hns3_dbg_data *dbg_data = inode->i_private;
 	struct hnae3_handle *handle = dbg_data->handle;
 	struct hns3_nic_priv *priv = handle->priv;
-	ssize_t size = 0;
-	char **save_buf;
-	char *read_buf;
 	u32 index;
+	char *buf;
 	int ret;
+
+	if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
+	    test_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
+		return -EBUSY;
 
 	ret = hns3_dbg_get_cmd_index(dbg_data, &index);
 	if (ret)
 		return ret;
 
-	mutex_lock(&handle->dbgfs_lock);
-	save_buf = &handle->dbgfs_buf[index];
+	buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
 
-	if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) ||
-	    test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) {
-		ret = -EBUSY;
-		goto out;
+	ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd,
+				buf, hns3_dbg_cmd[index].buf_len);
+	if (ret) {
+		kvfree(buf);
+		return ret;
 	}
 
-	if (*save_buf) {
-		read_buf = *save_buf;
-	} else {
-		read_buf = kvzalloc(hns3_dbg_cmd[index].buf_len, GFP_KERNEL);
-		if (!read_buf) {
-			ret = -ENOMEM;
-			goto out;
-		}
+	filp->private_data = buf;
+	return 0;
+}
 
-		/* save the buffer addr until the last read operation */
-		*save_buf = read_buf;
-
-		/* get data ready for the first time to read */
-		ret = hns3_dbg_read_cmd(dbg_data, hns3_dbg_cmd[index].cmd,
-					read_buf, hns3_dbg_cmd[index].buf_len);
-		if (ret)
-			goto out;
-	}
-
-	size = simple_read_from_buffer(buffer, count, ppos, read_buf,
-				       strlen(read_buf));
-	if (size > 0) {
-		mutex_unlock(&handle->dbgfs_lock);
-		return size;
-	}
-
-out:
-	/* free the buffer for the last read operation */
-	if (*save_buf) {
-		kvfree(*save_buf);
-		*save_buf = NULL;
-	}
-
-	mutex_unlock(&handle->dbgfs_lock);
-	return ret;
+static int hns3_dbg_release(struct inode *inode, struct file *filp)
+{
+	kvfree(filp->private_data);
+	filp->private_data = NULL;
+	return 0;
 }
 
 static const struct file_operations hns3_dbg_fops = {
 	.owner = THIS_MODULE,
-	.open  = simple_open,
+	.open  = hns3_dbg_open,
 	.read  = hns3_dbg_read,
+	.release = hns3_dbg_release,
 };
 
 static int hns3_dbg_bd_file_init(struct hnae3_handle *handle, u32 cmd)
···
 	int ret;
 	u32 i;
 
-	handle->dbgfs_buf = devm_kcalloc(&handle->pdev->dev,
-					 ARRAY_SIZE(hns3_dbg_cmd),
-					 sizeof(*handle->dbgfs_buf),
-					 GFP_KERNEL);
-	if (!handle->dbgfs_buf)
-		return -ENOMEM;
-
 	hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry =
 				debugfs_create_dir(name, hns3_dbgfs_root);
 	handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry;
···
 		hns3_dbg_dentry[i].dentry =
 			debugfs_create_dir(hns3_dbg_dentry[i].name,
 					   handle->hnae3_dbgfs);
-
-	mutex_init(&handle->dbgfs_lock);
 
 	for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++) {
 		if ((hns3_dbg_cmd[i].cmd == HNAE3_DBG_CMD_TM_NODES &&
···
 out:
 	debugfs_remove_recursive(handle->hnae3_dbgfs);
 	handle->hnae3_dbgfs = NULL;
-	mutex_destroy(&handle->dbgfs_lock);
 	return ret;
 }
 
 void hns3_dbg_uninit(struct hnae3_handle *handle)
 {
-	u32 i;
-
 	debugfs_remove_recursive(handle->hnae3_dbgfs);
 	handle->hnae3_dbgfs = NULL;
-
-	for (i = 0; i < ARRAY_SIZE(hns3_dbg_cmd); i++)
-		if (handle->dbgfs_buf[i]) {
-			kvfree(handle->dbgfs_buf[i]);
-			handle->dbgfs_buf[i] = NULL;
-		}
-
-	mutex_destroy(&handle->dbgfs_lock);
 }
 
 void hns3_dbg_register_debugfs(const char *debugfs_dir_name)

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

···
 			return ret;
 	}
 
-	netdev->features = features;
 	return 0;
 }
 

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

···
 #include <linux/etherdevice.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
···
 	return ret;
 }
 
+static void hclge_set_reset_pending(struct hclge_dev *hdev,
+				    enum hnae3_reset_type reset_type)
+{
+	/* When an incorrect reset type is executed, the get_reset_level
+	 * function generates the HNAE3_NONE_RESET flag. As a result, this
+	 * type do not need to pending.
+	 */
+	if (reset_type != HNAE3_NONE_RESET)
+		set_bit(reset_type, &hdev->reset_pending);
+}
+
 static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
 {
 	u32 cmdq_src_reg, msix_src_reg, hw_err_src_reg;
···
 	 */
 	if (BIT(HCLGE_VECTOR0_IMPRESET_INT_B) & msix_src_reg) {
 		dev_info(&hdev->pdev->dev, "IMP reset interrupt\n");
-		set_bit(HNAE3_IMP_RESET, &hdev->reset_pending);
+		hclge_set_reset_pending(hdev, HNAE3_IMP_RESET);
 		set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
 		*clearval = BIT(HCLGE_VECTOR0_IMPRESET_INT_B);
 		hdev->rst_stats.imp_rst_cnt++;
···
 	if (BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B) & msix_src_reg) {
 		dev_info(&hdev->pdev->dev, "global reset interrupt\n");
 		set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
-		set_bit(HNAE3_GLOBAL_RESET, &hdev->reset_pending);
+		hclge_set_reset_pending(hdev, HNAE3_GLOBAL_RESET);
 		*clearval = BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B);
 		hdev->rst_stats.global_rst_cnt++;
 		return HCLGE_VECTOR0_EVENT_RST;
···
 	snprintf(hdev->misc_vector.name, HNAE3_INT_NAME_LEN, "%s-misc-%s",
 		 HCLGE_NAME, pci_name(hdev->pdev));
 	ret = request_irq(hdev->misc_vector.vector_irq, hclge_misc_irq_handle,
-			  0, hdev->misc_vector.name, hdev);
+			  IRQF_NO_AUTOEN, hdev->misc_vector.name, hdev);
 	if (ret) {
 		hclge_free_vector(hdev, 0);
 		dev_err(&hdev->pdev->dev, "request misc irq(%d) fail\n",
···
 	case HNAE3_FUNC_RESET:
 		dev_info(&pdev->dev, "PF reset requested\n");
 		/* schedule again to check later */
-		set_bit(HNAE3_FUNC_RESET, &hdev->reset_pending);
+		hclge_set_reset_pending(hdev, HNAE3_FUNC_RESET);
 		hclge_reset_task_schedule(hdev);
 		break;
 	default:
···
 		rst_level = HNAE3_FLR_RESET;
 		clear_bit(HNAE3_FLR_RESET, addr);
 	}
+
+	clear_bit(HNAE3_NONE_RESET, addr);
 
 	if (hdev->reset_type != HNAE3_NONE_RESET &&
 	    rst_level < hdev->reset_type)
···
 		return false;
 	} else if (hdev->rst_stats.reset_fail_cnt < MAX_RESET_FAIL_CNT) {
 		hdev->rst_stats.reset_fail_cnt++;
-		set_bit(hdev->reset_type, &hdev->reset_pending);
+		hclge_set_reset_pending(hdev, hdev->reset_type);
 		dev_info(&hdev->pdev->dev,
 			 "re-schedule reset task(%u)\n",
 			 hdev->rst_stats.reset_fail_cnt);
···
 static void hclge_set_def_reset_request(struct hnae3_ae_dev *ae_dev,
 					enum hnae3_reset_type rst_type)
 {
+#define HCLGE_SUPPORT_RESET_TYPE \
+	(BIT(HNAE3_FLR_RESET) | BIT(HNAE3_FUNC_RESET) | \
+	BIT(HNAE3_GLOBAL_RESET) | BIT(HNAE3_IMP_RESET))
+
 	struct hclge_dev *hdev = ae_dev->priv;
+
+	if (!(BIT(rst_type) & HCLGE_SUPPORT_RESET_TYPE)) {
+		/* To prevent reset triggered by hclge_reset_event */
+		set_bit(HNAE3_NONE_RESET, &hdev->default_reset_request);
+		dev_warn(&hdev->pdev->dev, "unsupported reset type %d\n",
+			 rst_type);
+		return;
+	}
 
 	set_bit(rst_type, &hdev->default_reset_request);
 }
···
 
 	hclge_init_rxd_adv_layout(hdev);
 
-	/* Enable MISC vector(vector0) */
-	hclge_enable_vector(&hdev->misc_vector, true);
-
 	ret = hclge_init_wol(hdev);
 	if (ret)
 		dev_warn(&pdev->dev,
···
 
 	hclge_state_init(hdev);
 	hdev->last_reset_time = jiffies;
+
+	/* Enable MISC vector(vector0) */
+	enable_irq(hdev->misc_vector.vector_irq);
+	hclge_enable_vector(&hdev->misc_vector, true);
 
 	dev_info(&hdev->pdev->dev, "%s driver initialization finished.\n",
 		 HCLGE_DRIVER_NAME);
···
 
 	/* Disable MISC vector(vector0) */
 	hclge_enable_vector(&hdev->misc_vector, false);
-	synchronize_irq(hdev->misc_vector.vector_irq);
+	disable_irq(hdev->misc_vector.vector_irq);
 
 	/* Disable all hw interrupts */
 	hclge_config_mac_tnl_int(hdev, false);

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_ptp.c

···
 	struct hclge_dev *hdev = vport->back;
 	struct hclge_ptp *ptp = hdev->ptp;
 
+	if (!ptp)
+		return false;
+
 	if (!test_bit(HCLGE_PTP_FLAG_TX_EN, &ptp->flags) ||
 	    test_and_set_bit(HCLGE_STATE_PTP_TX_HANDLING, &hdev->state)) {
 		ptp->tx_skipped++;

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_regs.c

···
 static int hclge_fetch_pf_reg(struct hclge_dev *hdev, void *data,
 			      struct hnae3_knic_private_info *kinfo)
 {
-#define HCLGE_RING_REG_OFFSET		0x200
 #define HCLGE_RING_INT_REG_OFFSET	0x4
 
+	struct hnae3_queue *tqp;
 	int i, j, reg_num;
 	int data_num_sum;
 	u32 *reg = data;
···
 	reg_num = ARRAY_SIZE(ring_reg_addr_list);
 	for (j = 0; j < kinfo->num_tqps; j++) {
 		reg += hclge_reg_get_tlv(HCLGE_REG_TAG_RING, reg_num, reg);
+		tqp = kinfo->tqp[j];
 		for (i = 0; i < reg_num; i++)
-			*reg++ = hclge_read_dev(&hdev->hw,
-						ring_reg_addr_list[i] +
-						HCLGE_RING_REG_OFFSET * j);
+			*reg++ = readl_relaxed(tqp->io_base -
+					       HCLGE_TQP_REG_OFFSET +
+					       ring_reg_addr_list[i]);
 	}
 	data_num_sum += (reg_num + HCLGE_REG_TLV_SPACE) * kinfo->num_tqps;
 

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c

···
 	return ret;
 }
 
+static void hclgevf_set_reset_pending(struct hclgevf_dev *hdev,
+				      enum hnae3_reset_type reset_type)
+{
+	/* When an incorrect reset type is executed, the get_reset_level
+	 * function generates the HNAE3_NONE_RESET flag. As a result, this
+	 * type do not need to pending.
+	 */
+	if (reset_type != HNAE3_NONE_RESET)
+		set_bit(reset_type, &hdev->reset_pending);
+}
+
 static int hclgevf_reset_wait(struct hclgevf_dev *hdev)
 {
 #define HCLGEVF_RESET_WAIT_US	20000
···
 		hdev->rst_stats.rst_fail_cnt);
 
 	if (hdev->rst_stats.rst_fail_cnt < HCLGEVF_RESET_MAX_FAIL_CNT)
-		set_bit(hdev->reset_type, &hdev->reset_pending);
+		hclgevf_set_reset_pending(hdev, hdev->reset_type);
 
 	if (hclgevf_is_reset_pending(hdev)) {
 		set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
···
 		clear_bit(HNAE3_FLR_RESET, addr);
 	}
 
+	clear_bit(HNAE3_NONE_RESET, addr);
+
 	return rst_level;
 }
 
···
 	struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev);
 	struct hclgevf_dev *hdev = ae_dev->priv;
 
-	dev_info(&hdev->pdev->dev, "received reset request from VF enet\n");
-
 	if (hdev->default_reset_request)
 		hdev->reset_level =
 			hclgevf_get_reset_level(&hdev->default_reset_request);
 	else
 		hdev->reset_level = HNAE3_VF_FUNC_RESET;
+
+	dev_info(&hdev->pdev->dev, "received reset request from VF enet, reset level is %d\n",
+		 hdev->reset_level);
 
 	/* reset of this VF requested */
 	set_bit(HCLGEVF_RESET_REQUESTED, &hdev->reset_state);
···
 static void hclgevf_set_def_reset_request(struct hnae3_ae_dev *ae_dev,
 					  enum hnae3_reset_type rst_type)
 {
+#define HCLGEVF_SUPPORT_RESET_TYPE \
+	(BIT(HNAE3_VF_RESET) | BIT(HNAE3_VF_FUNC_RESET) | \
+	BIT(HNAE3_VF_PF_FUNC_RESET) | BIT(HNAE3_VF_FULL_RESET) | \
+	BIT(HNAE3_FLR_RESET) | BIT(HNAE3_VF_EXP_RESET))
+
 	struct hclgevf_dev *hdev = ae_dev->priv;
 
+	if (!(BIT(rst_type) & HCLGEVF_SUPPORT_RESET_TYPE)) {
+		/* To prevent reset triggered by hclge_reset_event */
+		set_bit(HNAE3_NONE_RESET, &hdev->default_reset_request);
+		dev_info(&hdev->pdev->dev, "unsupported reset type %d\n",
+			 rst_type);
+		return;
+	}
 	set_bit(rst_type, &hdev->default_reset_request);
 }
 
···
 		 */
 		if (hdev->reset_attempts > HCLGEVF_MAX_RESET_ATTEMPTS_CNT) {
 			/* prepare for full reset of stack + pcie interface */
-			set_bit(HNAE3_VF_FULL_RESET, &hdev->reset_pending);
+			hclgevf_set_reset_pending(hdev, HNAE3_VF_FULL_RESET);
 
 			/* "defer" schedule the reset task again */
 			set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
 		} else {
 			hdev->reset_attempts++;
 
-			set_bit(hdev->reset_level, &hdev->reset_pending);
+			hclgevf_set_reset_pending(hdev, hdev->reset_level);
 			set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
 		}
 		hclgevf_reset_task_schedule(hdev);
···
 		rst_ing_reg = hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING);
 		dev_info(&hdev->pdev->dev,
 			 "receive reset interrupt 0x%x!\n", rst_ing_reg);
-		set_bit(HNAE3_VF_RESET, &hdev->reset_pending);
+		hclgevf_set_reset_pending(hdev, HNAE3_VF_RESET);
 		set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
 		set_bit(HCLGE_COMM_STATE_CMD_DISABLE, &hdev->hw.hw.comm_state);
 		*clearval = ~(1U << HCLGEVF_VECTOR0_RST_INT_B);
···
 	clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
 
 	INIT_DELAYED_WORK(&hdev->service_task, hclgevf_service_task);
+	/* timer needs to be initialized before misc irq */
+	timer_setup(&hdev->reset_timer, hclgevf_reset_timer, 0);
 
 	mutex_init(&hdev->mbx_resp.mbx_mutex);
 	sema_init(&hdev->reset_sem, 1);
···
 		 HCLGEVF_DRIVER_NAME);
 
 	hclgevf_task_schedule(hdev, round_jiffies_relative(HZ));
-	timer_setup(&hdev->reset_timer, hclgevf_reset_timer, 0);
 
 	return 0;
 

drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_regs.c

···
 void hclgevf_get_regs(struct hnae3_handle *handle, u32 *version,
 		      void *data)
 {
-#define HCLGEVF_RING_REG_OFFSET		0x200
 #define HCLGEVF_RING_INT_REG_OFFSET	0x4
 
 	struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+	struct hnae3_queue *tqp;
 	int i, j, reg_um;
 	u32 *reg = data;
 
···
 	reg_um = ARRAY_SIZE(ring_reg_addr_list);
 	for (j = 0; j < hdev->num_tqps; j++) {
 		reg += hclgevf_reg_get_tlv(HCLGEVF_REG_TAG_RING, reg_um, reg);
+		tqp = &hdev->htqp[j].q;
 		for (i = 0; i < reg_um; i++)
-			*reg++ = hclgevf_read_dev(&hdev->hw,
-						  ring_reg_addr_list[i] +
-						  HCLGEVF_RING_REG_OFFSET * j);
+			*reg++ = readl_relaxed(tqp->io_base -
+					       HCLGEVF_TQP_REG_OFFSET +
+					       ring_reg_addr_list[i]);
 	}
 
 	reg_um = ARRAY_SIZE(tqp_intr_reg_addr_list);

drivers/net/ethernet/huawei/hinic/hinic_main.c

···
 	hinic_sq_dbgfs_uninit(nic_dev);
 
 	devm_kfree(&netdev->dev, nic_dev->txqs);
+	nic_dev->txqs = NULL;
 	return err;
 }
 
···
 	hinic_rq_dbgfs_uninit(nic_dev);
 
 	devm_kfree(&netdev->dev, nic_dev->rxqs);
+	nic_dev->rxqs = NULL;
 	return err;
 }
 

drivers/net/ethernet/intel/ice/ice_adminq_cmd.h

···
 	struct ice_aqc_get_pkg_info pkg_info[];
 };
 
+#define ICE_AQC_GET_CGU_MAX_PHASE_ADJ	GENMASK(30, 0)
+
 /* Get CGU abilities command response data structure (indirect 0x0C61) */
 struct ice_aqc_get_cgu_abilities {
 	u8 num_inputs;

drivers/net/ethernet/intel/ice/ice_dpll.c

···
 }
 
 /**
+ * ice_dpll_phase_range_set - initialize phase adjust range helper
+ * @range: pointer to phase adjust range struct to be initialized
+ * @phase_adj: a value to be used as min(-)/max(+) boundary
+ */
+static void ice_dpll_phase_range_set(struct dpll_pin_phase_adjust_range *range,
+				     u32 phase_adj)
+{
+	range->min = -phase_adj;
+	range->max = phase_adj;
+}
+
+/**
  * ice_dpll_init_info_pins_generic - initializes generic pins info
  * @pf: board private structure
  * @input: if input pins initialized
···
 	for (i = 0; i < pin_num; i++) {
 		pins[i].idx = i;
 		pins[i].prop.board_label = labels[i];
-		pins[i].prop.phase_range.min = phase_adj_max;
-		pins[i].prop.phase_range.max = -phase_adj_max;
+		ice_dpll_phase_range_set(&pins[i].prop.phase_range,
+					 phase_adj_max);
 		pins[i].prop.capabilities = cap;
 		pins[i].pf = pf;
 		ret = ice_dpll_pin_state_update(pf, &pins[i], pin_type, NULL);
···
 	struct ice_hw *hw = &pf->hw;
 	struct ice_dpll_pin *pins;
 	unsigned long caps;
+	u32 phase_adj_max;
 	u8 freq_supp_num;
 	bool input;
 
···
 	case ICE_DPLL_PIN_TYPE_INPUT:
 		pins = pf->dplls.inputs;
 		num_pins = pf->dplls.num_inputs;
+		phase_adj_max = pf->dplls.input_phase_adj_max;
 		input = true;
 		break;
 	case ICE_DPLL_PIN_TYPE_OUTPUT:
 		pins = pf->dplls.outputs;
 		num_pins = pf->dplls.num_outputs;
+		phase_adj_max = pf->dplls.output_phase_adj_max;
 		input = false;
 		break;
 	default:
···
 				return ret;
 			caps |= (DPLL_PIN_CAPABILITIES_PRIORITY_CAN_CHANGE |
 				 DPLL_PIN_CAPABILITIES_STATE_CAN_CHANGE);
-			pins[i].prop.phase_range.min =
-				pf->dplls.input_phase_adj_max;
-			pins[i].prop.phase_range.max =
-				-pf->dplls.input_phase_adj_max;
 		} else {
-			pins[i].prop.phase_range.min =
-				pf->dplls.output_phase_adj_max;
-			pins[i].prop.phase_range.max =
-				-pf->dplls.output_phase_adj_max;
 			ret = ice_cgu_get_output_pin_state_caps(hw, i, &caps);
 			if (ret)
 				return ret;
 		}
+		ice_dpll_phase_range_set(&pins[i].prop.phase_range,
+					 phase_adj_max);
 		pins[i].prop.capabilities = caps;
 		ret = ice_dpll_pin_state_update(pf, &pins[i], pin_type, NULL);
 		if (ret)
···
 	dp->dpll_idx = abilities.pps_dpll_idx;
 	d->num_inputs = abilities.num_inputs;
 	d->num_outputs = abilities.num_outputs;
-	d->input_phase_adj_max = le32_to_cpu(abilities.max_in_phase_adj);
-	d->output_phase_adj_max = le32_to_cpu(abilities.max_out_phase_adj);
+	d->input_phase_adj_max = le32_to_cpu(abilities.max_in_phase_adj) &
+		ICE_AQC_GET_CGU_MAX_PHASE_ADJ;
+	d->output_phase_adj_max = le32_to_cpu(abilities.max_out_phase_adj) &
+		ICE_AQC_GET_CGU_MAX_PHASE_ADJ;
 
 	alloc_size = sizeof(*d->inputs) * d->num_inputs;
 	d->inputs = kzalloc(alloc_size, GFP_KERNEL);

drivers/net/ethernet/intel/ice/ice_ptp_consts.h

···
 		/* rx_desk_rsgb_par */
 		644531250, /* 644.53125 MHz Reed Solomon gearbox */
 		/* tx_desk_rsgb_pcs */
-		644531250, /* 644.53125 MHz Reed Solomon gearbox */
+		390625000, /* 390.625 MHz Reed Solomon gearbox */
 		/* rx_desk_rsgb_pcs */
-		644531250, /* 644.53125 MHz Reed Solomon gearbox */
+		390625000, /* 390.625 MHz Reed Solomon gearbox */
 		/* tx_fixed_delay */
 		1620,
 		/* pmd_adj_divisor */

drivers/net/ethernet/intel/idpf/idpf_dev.c

···
 		intr->dyn_ctl_itridx_s = PF_GLINT_DYN_CTL_ITR_INDX_S;
 		intr->dyn_ctl_intrvl_s = PF_GLINT_DYN_CTL_INTERVAL_S;
 		intr->dyn_ctl_wb_on_itr_m = PF_GLINT_DYN_CTL_WB_ON_ITR_M;
+		intr->dyn_ctl_swint_trig_m = PF_GLINT_DYN_CTL_SWINT_TRIG_M;
+		intr->dyn_ctl_sw_itridx_ena_m =
+			PF_GLINT_DYN_CTL_SW_ITR_INDX_ENA_M;
 
 		spacing = IDPF_ITR_IDX_SPACING(reg_vals[vec_id].itrn_index_spacing,
 					       IDPF_PF_ITR_IDX_SPACING);

drivers/net/ethernet/intel/idpf/idpf_txrx.c

···
 /**
  * idpf_vport_intr_buildreg_itr - Enable default interrupt generation settings
  * @q_vector: pointer to q_vector
- * @type: itr index
- * @itr: itr value
  */
-static u32 idpf_vport_intr_buildreg_itr(struct idpf_q_vector *q_vector,
-					const int type, u16 itr)
+static u32 idpf_vport_intr_buildreg_itr(struct idpf_q_vector *q_vector)
 {
-	u32 itr_val;
+	u32 itr_val = q_vector->intr_reg.dyn_ctl_intena_m;
+	int type = IDPF_NO_ITR_UPDATE_IDX;
+	u16 itr = 0;
+
+	if (q_vector->wb_on_itr) {
+		/*
+		 * Trigger a software interrupt when exiting wb_on_itr, to make
+		 * sure we catch any pending write backs that might have been
+		 * missed due to interrupt state transition.
+		 */
+		itr_val |= q_vector->intr_reg.dyn_ctl_swint_trig_m |
+			   q_vector->intr_reg.dyn_ctl_sw_itridx_ena_m;
+		type = IDPF_SW_ITR_UPDATE_IDX;
+		itr = IDPF_ITR_20K;
+	}
 
 	itr &= IDPF_ITR_MASK;
 	/* Don't clear PBA because that can cause lost interrupts that
 	 * came in while we were cleaning/polling
 	 */
-	itr_val = q_vector->intr_reg.dyn_ctl_intena_m |
-		  (type << q_vector->intr_reg.dyn_ctl_itridx_s) |
-		  (itr << (q_vector->intr_reg.dyn_ctl_intrvl_s - 1));
+	itr_val |= (type << q_vector->intr_reg.dyn_ctl_itridx_s) |
+		   (itr << (q_vector->intr_reg.dyn_ctl_intrvl_s - 1));
 
 	return itr_val;
 }
···
 	/* net_dim() updates ITR out-of-band using a work item */
 	idpf_net_dim(q_vector);
 
+	intval = idpf_vport_intr_buildreg_itr(q_vector);
 	q_vector->wb_on_itr = false;
-	intval = idpf_vport_intr_buildreg_itr(q_vector,
-					      IDPF_NO_ITR_UPDATE_IDX, 0);
 
 	writel(intval, q_vector->intr_reg.dyn_ctl);
 }

drivers/net/ethernet/intel/idpf/idpf_txrx.h

···
  * @dyn_ctl_itridx_m: Mask for ITR index
  * @dyn_ctl_intrvl_s: Register bit offset for ITR interval
  * @dyn_ctl_wb_on_itr_m: Mask for WB on ITR feature
+ * @dyn_ctl_sw_itridx_ena_m: Mask for SW ITR index
+ * @dyn_ctl_swint_trig_m: Mask for dyn_ctl SW triggered interrupt enable
  * @rx_itr: RX ITR register
  * @tx_itr: TX ITR register
  * @icr_ena: Interrupt cause register offset
···
 	u32 dyn_ctl_itridx_m;
 	u32 dyn_ctl_intrvl_s;
 	u32 dyn_ctl_wb_on_itr_m;
+	u32 dyn_ctl_sw_itridx_ena_m;
+	u32 dyn_ctl_swint_trig_m;
 	void __iomem *rx_itr;
 	void __iomem *tx_itr;
 	void __iomem *icr_ena;
···
 	cpumask_var_t affinity_mask;
 	__cacheline_group_end_aligned(cold);
 };
-libeth_cacheline_set_assert(struct idpf_q_vector, 112,
+libeth_cacheline_set_assert(struct idpf_q_vector, 120,
 			    24 + sizeof(struct napi_struct) +
 			    2 * sizeof(struct dim),
 			    8 + sizeof(cpumask_var_t));
···
 #define IDPF_ITR_IS_DYNAMIC(itr_mode) (itr_mode)
 #define IDPF_ITR_TX_DEF		IDPF_ITR_20K
 #define IDPF_ITR_RX_DEF		IDPF_ITR_20K
+/* Index used for 'SW ITR' update in DYN_CTL register */
+#define IDPF_SW_ITR_UPDATE_IDX	2
 /* Index used for 'No ITR' update in DYN_CTL register */
 #define IDPF_NO_ITR_UPDATE_IDX	3
 #define IDPF_ITR_IDX_SPACING(spacing, dflt)	(spacing ? spacing : dflt)

drivers/net/ethernet/intel/idpf/idpf_vf_dev.c

···
 		intr->dyn_ctl_itridx_s = VF_INT_DYN_CTLN_ITR_INDX_S;
 		intr->dyn_ctl_intrvl_s = VF_INT_DYN_CTLN_INTERVAL_S;
 		intr->dyn_ctl_wb_on_itr_m = VF_INT_DYN_CTLN_WB_ON_ITR_M;
+		intr->dyn_ctl_swint_trig_m = VF_INT_DYN_CTLN_SWINT_TRIG_M;
+		intr->dyn_ctl_sw_itridx_ena_m =
+			VF_INT_DYN_CTLN_SW_ITR_INDX_ENA_M;
 
 		spacing = IDPF_ITR_IDX_SPACING(reg_vals[vec_id].itrn_index_spacing,
 					       IDPF_VF_ITR_IDX_SPACING);

drivers/net/ethernet/intel/igc/igc_base.c

···
 	u32 eecd = rd32(IGC_EECD);
 	u16 size;
 
+	/* failed to read reg and got all F's */
+	if (!(~eecd))
+		return -ENXIO;
+
 	size = FIELD_GET(IGC_EECD_SIZE_EX_MASK, eecd);
 
 	/* Added to a constant, "size" becomes the left-shift value
···
 
 	/* NVM initialization */
 	ret_val = igc_init_nvm_params_base(hw);
+	if (ret_val)
+		goto out;
 	switch (hw->mac.type) {
 	case igc_i225:
 		ret_val = igc_init_nvm_params_i225(hw);

drivers/net/ethernet/marvell/mv643xx_eth.c

···
 
 static void mv643xx_eth_shared_of_remove(void)
 {
+	struct mv643xx_eth_platform_data *pd;
 	int n;
 
 	for (n = 0; n < 3; n++) {
+		if (!port_platdev[n])
+			continue;
+		pd = dev_get_platdata(&port_platdev[n]->dev);
+		if (pd)
+			of_node_put(pd->phy_node);
 		platform_device_del(port_platdev[n]);
 		port_platdev[n] = NULL;
 	}
···
 	}
 
 	ppdev = platform_device_alloc(MV643XX_ETH_NAME, dev_num);
-	if (!ppdev)
-		return -ENOMEM;
+	if (!ppdev) {
+		ret = -ENOMEM;
+		goto put_err;
+	}
 	ppdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 	ppdev->dev.of_node = pnp;
 
···
 
 port_err:
 	platform_device_put(ppdev);
+put_err:
+	of_node_put(ppd.phy_node);
 	return ret;
 }
 

drivers/net/ethernet/marvell/octeontx2/nic/rep.c

···
 		ndev->features |= ndev->hw_features;
 		eth_hw_addr_random(ndev);
 		err = rvu_rep_devlink_port_register(rep);
-		if (err)
+		if (err) {
+			free_netdev(ndev);
 			goto exit;
+		}
 
 		SET_NETDEV_DEVLINK_PORT(ndev, &rep->dl_port);
 		err = register_netdev(ndev);
 		if (err) {
 			NL_SET_ERR_MSG_MOD(extack,
 					   "PFVF representor registration failed");
+			rvu_rep_devlink_port_unregister(rep);
 			free_netdev(ndev);
 			goto exit;
 		}

drivers/net/ethernet/marvell/sky2.c

···
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436C) }, /* 88E8072 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x436D) }, /* 88E8055 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4370) }, /* 88E8075 */
+	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4373) }, /* 88E8075 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4380) }, /* 88E8057 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4381) }, /* 88E8059 */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4382) }, /* 88E8079 */

drivers/net/ethernet/mellanox/mlx5/core/cmd.c

···
 				complete(&ent->done);
 			}
 			up(&cmd->vars.sem);
+			complete(&ent->slotted);
 			return;
 		}
 	} else {

drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c

···
 {
 	struct mlx5e_priv *priv = macsec_netdev_priv(ctx->netdev);
 	struct mlx5_macsec_fs *macsec_fs = priv->mdev->macsec_fs;
+	const struct macsec_tx_sc *tx_sc = &ctx->secy->tx_sc;
 	struct mlx5_macsec_rule_attrs rule_attrs;
 	union mlx5_macsec_rule *macsec_rule;
+
+	if (is_tx && tx_sc->encoding_sa != sa->assoc_num)
+		return 0;
 
 	rule_attrs.macsec_obj_id = sa->macsec_obj_id;
 	rule_attrs.sci = sa->sci;

drivers/net/ethernet/mellanox/mlx5/core/en_main.c

···
 
 	mlx5_core_uplink_netdev_set(mdev, NULL);
 	mlx5e_dcbnl_delete_app(priv);
-	unregister_netdev(priv->netdev);
-	_mlx5e_suspend(adev, false);
+	/* When unload driver, the netdev is in registered state
+	 * if it's from legacy mode. If from switchdev mode, it
+	 * is already unregistered before changing to NIC profile.
+	 */
+	if (priv->netdev->reg_state == NETREG_REGISTERED) {
+		unregister_netdev(priv->netdev);
+		_mlx5e_suspend(adev, false);
+	} else {
+		struct mlx5_core_dev *pos;
+		int i;
+
+		if (test_bit(MLX5E_STATE_DESTROYING, &priv->state))
+			mlx5_sd_for_each_dev(i, mdev, pos)
+				mlx5e_destroy_mdev_resources(pos);
+		else
+			_mlx5e_suspend(adev, true);
+	}
 	/* Avoid cleanup if profile rollback failed. */
 	if (priv->profile)
 		priv->profile->cleanup(priv);

drivers/net/ethernet/mellanox/mlx5/core/en_rep.c

···
 
 	priv = netdev_priv(netdev);
 
+	/* This bit is set when using devlink to change eswitch mode from
+	 * switchdev to legacy. As need to keep uplink netdev ifindex, we
+	 * detach uplink representor profile and attach NIC profile only.
+	 * The netdev will be unregistered later when unload NIC auxiliary
+	 * driver for this case.
+	 * We explicitly block devlink eswitch mode change if any IPSec rules
+	 * offloaded, but can't block other cases, such as driver unload
+	 * and devlink reload. We have to unregister netdev before profile
+	 * change for those cases. This is to avoid resource leak because
+	 * the offloaded rules don't have the chance to be unoffloaded before
+	 * cleanup which is triggered by detach uplink representor profile.
+	 */
+	if (!(priv->mdev->priv.flags & MLX5_PRIV_FLAGS_SWITCH_LEGACY))
+		unregister_netdev(netdev);
+
 	mlx5e_netdev_attach_nic_profile(priv);
 }
 

drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c

···
 	unsigned long i;
 	int err;
 
-	xa_for_each(&esw->offloads.vport_reps, i, rep) {
-		rpriv = rep->rep_data[REP_ETH].priv;
-		if (!rpriv || !rpriv->netdev)
+	mlx5_esw_for_each_rep(esw, i, rep) {
+		if (atomic_read(&rep->rep_data[REP_ETH].state) != REP_LOADED)
 			continue;
 
+		rpriv = rep->rep_data[REP_ETH].priv;
 		rhashtable_walk_enter(&rpriv->tc_ht, &iter);
 		rhashtable_walk_start(&iter);
 		while ((flow = rhashtable_walk_next(&iter)) != NULL) {

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

···
 			  MLX5_CAP_GEN_2((esw->dev), ec_vf_vport_base) +\
 			  (last) - 1)
 
+#define mlx5_esw_for_each_rep(esw, i, rep) \
+	xa_for_each(&((esw)->offloads.vport_reps), i, rep)
+
 struct mlx5_eswitch *__must_check
 mlx5_devlink_eswitch_get(struct devlink *devlink);
 

drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c

···
 #include "lag/lag.h"
 #include "en/tc/post_meter.h"
 
-#define mlx5_esw_for_each_rep(esw, i, rep) \
-	xa_for_each(&((esw)->offloads.vport_reps), i, rep)
-
 /* There are two match-all miss flows, one for unicast dst mac and
  * one for multicast.
  */
···
 	esw->eswitch_operation_in_progress = true;
 	up_write(&esw->mode_lock);
 
+	if (mode == DEVLINK_ESWITCH_MODE_LEGACY)
+		esw->dev->priv.flags |= MLX5_PRIV_FLAGS_SWITCH_LEGACY;
 	mlx5_eswitch_disable_locked(esw);
 	if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV) {
 		if (mlx5_devlink_trap_get_num_active(esw->dev)) {

drivers/net/ethernet/mellanox/mlx5/core/steering/sws/dr_send.c

···
 	int inlen, err, eqn;
 	void *cqc, *in;
 	__be64 *pas;
-	int vector;
 	u32 i;
 
 	cq = kzalloc(sizeof(*cq), GFP_KERNEL);
···
 	if (!in)
 		goto err_cqwq;
 
-	vector = raw_smp_processor_id() % mlx5_comp_vectors_max(mdev);
-	err = mlx5_comp_eqn_get(mdev, vector, &eqn);
+	err = mlx5_comp_eqn_get(mdev, 0, &eqn);
 	if (err) {
 		kvfree(in);
 		goto err_cqwq;

drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c

···
 
 	parms = mlxsw_sp_ipip_netdev_parms4(to_dev);
 	ip_tunnel_init_flow(&fl4, parms.iph.protocol, *daddrp, *saddrp,
-			    0, 0, dev_net(to_dev), parms.link, tun->fwmark, 0,
-			    0);
+			    0, 0, tun->net, parms.link, tun->fwmark, 0, 0);
 
 	rt = ip_route_output_key(tun->net, &fl4);
 	if (IS_ERR(rt))

drivers/net/ethernet/meta/fbnic/Makefile

···
 	   fbnic_ethtool.o \
 	   fbnic_fw.o \
 	   fbnic_hw_stats.o \
-	   fbnic_hwmon.o \
 	   fbnic_irq.o \
 	   fbnic_mac.o \
 	   fbnic_netdev.o \

drivers/net/ethernet/meta/fbnic/fbnic.h

···
 	struct device *dev;
 	struct net_device *netdev;
 	struct dentry *dbg_fbd;
-	struct device *hwmon;
 
 	u32 __iomem *uc_addr0;
 	u32 __iomem *uc_addr4;
···
 
 	struct fbnic_fw_mbx mbx[FBNIC_IPC_MBX_INDICES];
 	struct fbnic_fw_cap fw_cap;
-	struct fbnic_fw_completion *cmpl_data;
 	/* Lock protecting Tx Mailbox queue to prevent possible races */
 	spinlock_t fw_tx_lock;
 
···
 
 int fbnic_fw_enable_mbx(struct fbnic_dev *fbd);
 void fbnic_fw_disable_mbx(struct fbnic_dev *fbd);
-
-void fbnic_hwmon_register(struct fbnic_dev *fbd);
-void fbnic_hwmon_unregister(struct fbnic_dev *fbd);
 
 int fbnic_pcs_irq_enable(struct fbnic_dev *fbd);
 void fbnic_pcs_irq_disable(struct fbnic_dev *fbd);

drivers/net/ethernet/meta/fbnic/fbnic_csr.c

···
 	u32 i, j;
 
 	*(data++) = start;
-	*(data++) = end - 1;
+	*(data++) = end;
 
 	/* FBNIC_RPC_TCAM_ACT */
 	for (i = 0; i < FBNIC_RPC_TCAM_ACT_NUM_ENTRIES; i++) {

drivers/net/ethernet/meta/fbnic/fbnic_fw.h

···
 	u8	link_fec;
 };
 
-struct fbnic_fw_completion {
-	struct {
-		s32 millivolts;
-		s32 millidegrees;
-	} tsene;
-};
-
 void fbnic_mbx_init(struct fbnic_dev *fbd);
 void fbnic_mbx_clean(struct fbnic_dev *fbd);
 void fbnic_mbx_poll(struct fbnic_dev *fbd);

drivers/net/ethernet/meta/fbnic/fbnic_hwmon.c

···
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright (c) Meta Platforms, Inc. and affiliates. */
-
-#include <linux/hwmon.h>
-
-#include "fbnic.h"
-#include "fbnic_mac.h"
-
-static int fbnic_hwmon_sensor_id(enum hwmon_sensor_types type)
-{
-	if (type == hwmon_temp)
-		return FBNIC_SENSOR_TEMP;
-	if (type == hwmon_in)
-		return FBNIC_SENSOR_VOLTAGE;
-
-	return -EOPNOTSUPP;
-}
-
-static umode_t fbnic_hwmon_is_visible(const void *drvdata,
-				      enum hwmon_sensor_types type,
-				      u32 attr, int channel)
-{
-	if (type == hwmon_temp && attr == hwmon_temp_input)
-		return 0444;
-	if (type == hwmon_in && attr == hwmon_in_input)
-		return 0444;
-
-	return 0;
-}
-
-static int fbnic_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
-			    u32 attr, int channel, long *val)
-{
-	struct fbnic_dev *fbd = dev_get_drvdata(dev);
-	const struct fbnic_mac *mac = fbd->mac;
-	int id;
-
-	id = fbnic_hwmon_sensor_id(type);
-	return id < 0 ? id : mac->get_sensor(fbd, id, val);
-}
-
-static const struct hwmon_ops fbnic_hwmon_ops = {
-	.is_visible = fbnic_hwmon_is_visible,
-	.read = fbnic_hwmon_read,
-};
-
-static const struct hwmon_channel_info *fbnic_hwmon_info[] = {
-	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT),
-	HWMON_CHANNEL_INFO(in, HWMON_I_INPUT),
-	NULL
-};
-
-static const struct hwmon_chip_info fbnic_chip_info = {
-	.ops = &fbnic_hwmon_ops,
-	.info = fbnic_hwmon_info,
-};
-
-void fbnic_hwmon_register(struct fbnic_dev *fbd)
-{
-	if (!IS_REACHABLE(CONFIG_HWMON))
-		return;
-
-	fbd->hwmon = hwmon_device_register_with_info(fbd->dev, "fbnic",
-						     fbd, &fbnic_chip_info,
-						     NULL);
-	if (IS_ERR(fbd->hwmon)) {
-		dev_notice(fbd->dev,
-			   "Failed to register hwmon device %pe\n",
-			fbd->hwmon);
-		fbd->hwmon = NULL;
-	}
-}
-
-void fbnic_hwmon_unregister(struct fbnic_dev *fbd)
-{
-	if (!IS_REACHABLE(CONFIG_HWMON) || !fbd->hwmon)
-		return;
-
-	hwmon_device_unregister(fbd->hwmon);
-	fbd->hwmon = NULL;
-}

drivers/net/ethernet/meta/fbnic/fbnic_mac.c

···
 			    MAC_STAT_TX_BROADCAST);
 }
 
-static int fbnic_mac_get_sensor_asic(struct fbnic_dev *fbd, int id, long *val)
-{
-	struct fbnic_fw_completion fw_cmpl;
-	s32 *sensor;
-
-	switch (id) {
-	case FBNIC_SENSOR_TEMP:
-		sensor = &fw_cmpl.tsene.millidegrees;
-		break;
-	case FBNIC_SENSOR_VOLTAGE:
-		sensor = &fw_cmpl.tsene.millivolts;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	*val = *sensor;
-
-	return 0;
-}
-
 static const struct fbnic_mac fbnic_mac_asic = {
 	.init_regs = fbnic_mac_init_regs,
 	.pcs_enable = fbnic_pcs_enable_asic,
···
 	.get_eth_mac_stats = fbnic_mac_get_eth_mac_stats,
 	.link_down = fbnic_mac_link_down_asic,
 	.link_up = fbnic_mac_link_up_asic,
-	.get_sensor = fbnic_mac_get_sensor_asic,
 };
 
 /**

drivers/net/ethernet/meta/fbnic/fbnic_mac.h

···
 #define FBNIC_LINK_MODE_PAM4	(FBNIC_LINK_50R1)
 #define FBNIC_LINK_MODE_MASK	(FBNIC_LINK_AUTO - 1)
 
-enum fbnic_sensor_id {
-	FBNIC_SENSOR_TEMP,		/* Temp in millidegrees Centigrade */
-	FBNIC_SENSOR_VOLTAGE,		/* Voltage in millivolts */
-};
-
 /* This structure defines the interface hooks for the MAC. The MAC hooks
  * will be configured as a const struct provided with a set of function
  * pointers.
···
 
 	void (*link_down)(struct fbnic_dev *fbd);
 	void (*link_up)(struct fbnic_dev *fbd, bool tx_pause, bool rx_pause);
-
-	int (*get_sensor)(struct fbnic_dev *fbd, int id, long *val);
 };
 
 int fbnic_mac_init(struct fbnic_dev *fbd);

drivers/net/ethernet/meta/fbnic/fbnic_pci.c

···
 	/* Capture snapshot of hardware stats so netdev can calculate delta */
 	fbnic_reset_hw_stats(fbd);
 
-	fbnic_hwmon_register(fbd);
-
 	if (!fbd->dsn) {
 		dev_warn(&pdev->dev, "Reading serial number failed\n");
 		goto init_failure_mode;
···
 		fbnic_netdev_free(fbd);
 	}
 
-	fbnic_hwmon_unregister(fbd);
 	fbnic_dbg_fbd_exit(fbd);
 	fbnic_devlink_unregister(fbd);
 	fbnic_fw_disable_mbx(fbd);

drivers/net/ethernet/mscc/ocelot.c

···
 
 	memset(ifh, 0, OCELOT_TAG_LEN);
 	ocelot_ifh_set_bypass(ifh, 1);
-	ocelot_ifh_set_src(ifh, BIT_ULL(ocelot->num_phys_ports));
+	ocelot_ifh_set_src(ifh, ocelot->num_phys_ports);
 	ocelot_ifh_set_dest(ifh, BIT_ULL(port));
 	ocelot_ifh_set_qos_class(ifh, qos_class);
 	ocelot_ifh_set_tag_type(ifh, tag_type);

drivers/net/ethernet/oa_tc6.c

···
 	struct mii_bus *mdiobus;
 	struct spi_device *spi;
 	struct mutex spi_ctrl_lock; /* Protects spi control transfer */
+	spinlock_t tx_skb_lock; /* Protects tx skb handling */
 	void *spi_ctrl_tx_buf;
 	void *spi_ctrl_rx_buf;
 	void *spi_data_tx_buf;
···
 	for (used_tx_credits = 0; used_tx_credits < tc6->tx_credits;
 	     used_tx_credits++) {
 		if (!tc6->ongoing_tx_skb) {
+			spin_lock_bh(&tc6->tx_skb_lock);
 			tc6->ongoing_tx_skb = tc6->waiting_tx_skb;
 			tc6->waiting_tx_skb = NULL;
+			spin_unlock_bh(&tc6->tx_skb_lock);
 		}
 		if (!tc6->ongoing_tx_skb)
 			break;
···
 		/* This kthread will be waken up if there is a tx skb or mac-phy
 		 * interrupt to perform spi transfer with tx chunks.
 		 */
-		wait_event_interruptible(tc6->spi_wq, tc6->waiting_tx_skb ||
-					 tc6->int_flag ||
+		wait_event_interruptible(tc6->spi_wq, tc6->int_flag ||
+					 (tc6->waiting_tx_skb &&
+					 tc6->tx_credits) ||
 					 kthread_should_stop());
 
 		if (kthread_should_stop())
···
 		return NETDEV_TX_OK;
 	}
 
+	spin_lock_bh(&tc6->tx_skb_lock);
 	tc6->waiting_tx_skb = skb;
+	spin_unlock_bh(&tc6->tx_skb_lock);
 
 	/* Wake spi kthread to perform spi transfer */
 	wake_up_interruptible(&tc6->spi_wq);
···
 	tc6->netdev = netdev;
 	SET_NETDEV_DEV(netdev, &spi->dev);
 	mutex_init(&tc6->spi_ctrl_lock);
+	spin_lock_init(&tc6->tx_skb_lock);
 
 	/* Set the SPI controller to pump at realtime priority */
 	tc6->spi->rt = true;

drivers/net/ethernet/pensando/ionic/ionic_dev.c

···
 	idev->phy_cmb_pages = 0;
 	idev->cmb_npages = 0;
 
-	destroy_workqueue(ionic->wq);
+	if (ionic->wq) {
+		destroy_workqueue(ionic->wq);
+		ionic->wq = NULL;
+	}
 	mutex_destroy(&idev->cmb_inuse_lock);
 }
 

drivers/net/ethernet/pensando/ionic/ionic_ethtool.c

···
 	len = min_t(u32, sizeof(xcvr->sprom), ee->len);
 
 	do {
-		memcpy(data, xcvr->sprom, len);
-		memcpy(tbuf, xcvr->sprom, len);
+		memcpy(data, &xcvr->sprom[ee->offset], len);
+		memcpy(tbuf, &xcvr->sprom[ee->offset], len);
 
 		/* Let's make sure we got a consistent copy */
 		if (!memcmp(data, tbuf, len))

drivers/net/ethernet/pensando/ionic/ionic_lif.c

···
 	/* only register LIF0 for now */
 	err = register_netdev(lif->netdev);
 	if (err) {
-		dev_err(lif->ionic->dev, "Cannot register net device, aborting\n");
-		ionic_lif_unregister_phc(lif);
+		dev_err(lif->ionic->dev, "Cannot register net device: %d, aborting\n", err);
+		ionic_lif_unregister(lif);
 		return err;
 	}
 

drivers/net/ethernet/qlogic/qed/qed_mcp.c

···
 					     p_ptt, &nvm_info.num_images);
 	if (rc == -EOPNOTSUPP) {
 		DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n");
+		nvm_info.num_images = 0;
 		goto out;
 	} else if (rc || !nvm_info.num_images) {
 		DP_ERR(p_hwfn, "Failed getting number of images\n");

drivers/net/ethernet/realtek/rtase/rtase_main.c

···
 
 	for (i = 0; i < tp->int_nums; i++) {
 		irq = pci_irq_vector(pdev, i);
-		if (!irq) {
+		if (irq < 0) {
 			pci_disable_msix(pdev);
 			return irq;
 		}

drivers/net/ethernet/renesas/rswitch.c

···
 	desc = &gq->ts_ring[gq->ring_size];
 	desc->desc.die_dt = DT_LINKFIX;
 	rswitch_desc_set_dptr(&desc->desc, gq->ring_dma);
-	INIT_LIST_HEAD(&priv->gwca.ts_info_list);
 
 	return 0;
 }
···
 static void rswitch_ts(struct rswitch_private *priv)
 {
 	struct rswitch_gwca_queue *gq = &priv->gwca.ts_queue;
-	struct rswitch_gwca_ts_info *ts_info, *ts_info2;
 	struct skb_shared_hwtstamps shhwtstamps;
 	struct rswitch_ts_desc *desc;
+	struct rswitch_device *rdev;
+	struct sk_buff *ts_skb;
 	struct timespec64 ts;
 	unsigned int num;
 	u32 tag, port;
···
 		dma_rmb();
 
 		port = TS_DESC_DPN(__le32_to_cpu(desc->desc.dptrl));
+		if (unlikely(port >= RSWITCH_NUM_PORTS))
+			goto next;
+		rdev = priv->rdev[port];
+
 		tag = TS_DESC_TSUN(__le32_to_cpu(desc->desc.dptrl));
+		if (unlikely(tag >= TS_TAGS_PER_PORT))
+			goto next;
+		ts_skb = xchg(&rdev->ts_skb[tag], NULL);
+		smp_mb(); /* order rdev->ts_skb[] read before bitmap update */
+		clear_bit(tag, rdev->ts_skb_used);
 
-		list_for_each_entry_safe(ts_info, ts_info2, &priv->gwca.ts_info_list, list) {
-			if (!(ts_info->port == port && ts_info->tag == tag))
-				continue;
+		if (unlikely(!ts_skb))
+			goto next;
 
-			memset(&shhwtstamps, 0, sizeof(shhwtstamps));
-			ts.tv_sec = __le32_to_cpu(desc->ts_sec);
-			ts.tv_nsec = __le32_to_cpu(desc->ts_nsec & cpu_to_le32(0x3fffffff));
-			shhwtstamps.hwtstamp = timespec64_to_ktime(ts);
-			skb_tstamp_tx(ts_info->skb, &shhwtstamps);
-			dev_consume_skb_irq(ts_info->skb);
-			list_del(&ts_info->list);
-			kfree(ts_info);
-			break;
-		}
+		memset(&shhwtstamps, 0, sizeof(shhwtstamps));
+		ts.tv_sec = __le32_to_cpu(desc->ts_sec);
+		ts.tv_nsec = __le32_to_cpu(desc->ts_nsec & cpu_to_le32(0x3fffffff));
+		shhwtstamps.hwtstamp = timespec64_to_ktime(ts);
+		skb_tstamp_tx(ts_skb, &shhwtstamps);
+		dev_consume_skb_irq(ts_skb);
 
+next:
 		gq->cur = rswitch_next_queue_index(gq, true, 1);
 		desc = &gq->ts_ring[gq->cur];
 	}
···
 static int rswitch_stop(struct net_device *ndev)
 {
 	struct rswitch_device *rdev = netdev_priv(ndev);
-	struct rswitch_gwca_ts_info *ts_info, *ts_info2;
+	struct sk_buff *ts_skb;
 	unsigned long flags;
+	unsigned int tag;
 
 	netif_tx_stop_all_queues(ndev);
 
···
 	if (bitmap_empty(rdev->priv->opened_ports, RSWITCH_NUM_PORTS))
 		iowrite32(GWCA_TS_IRQ_BIT, rdev->priv->addr + GWTSDID);
 
-	list_for_each_entry_safe(ts_info, ts_info2, &rdev->priv->gwca.ts_info_list, list) {
-		if (ts_info->port != rdev->port)
-			continue;
-		dev_kfree_skb_irq(ts_info->skb);
-		list_del(&ts_info->list);
-		kfree(ts_info);
+	for (tag = find_first_bit(rdev->ts_skb_used, TS_TAGS_PER_PORT);
+	     tag < TS_TAGS_PER_PORT;
+	     tag = find_next_bit(rdev->ts_skb_used, TS_TAGS_PER_PORT, tag + 1)) {
+		ts_skb = xchg(&rdev->ts_skb[tag], NULL);
+		clear_bit(tag, rdev->ts_skb_used);
+		if (ts_skb)
+			dev_kfree_skb(ts_skb);
 	}
 
 	return 0;
···
 	desc->info1 = cpu_to_le64(INFO1_DV(BIT(rdev->etha->index)) |
 				  INFO1_IPV(GWCA_IPV_NUM) | INFO1_FMT);
 	if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) {
-		struct rswitch_gwca_ts_info *ts_info;
+		unsigned int tag;
 
-		ts_info = kzalloc(sizeof(*ts_info), GFP_ATOMIC);
-		if (!ts_info)
+		tag = find_first_zero_bit(rdev->ts_skb_used, TS_TAGS_PER_PORT);
+		if (tag == TS_TAGS_PER_PORT)
 			return false;
+		smp_mb(); /* order bitmap read before rdev->ts_skb[] write */
+		rdev->ts_skb[tag] = skb_get(skb);
+		set_bit(tag, rdev->ts_skb_used);
 
 		skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
-		rdev->ts_tag++;
-		desc->info1 |= cpu_to_le64(INFO1_TSUN(rdev->ts_tag) | INFO1_TXC);
-
-		ts_info->skb = skb_get(skb);
-		ts_info->port = rdev->port;
-		ts_info->tag = rdev->ts_tag;
-		list_add_tail(&ts_info->list, &rdev->priv->gwca.ts_info_list);
+		desc->info1 |= cpu_to_le64(INFO1_TSUN(tag) | INFO1_TXC);
 
 		skb_tx_timestamp(skb);
 	}

drivers/net/ethernet/renesas/rswitch.h

···
 	};
 };
 
-struct rswitch_gwca_ts_info {
-	struct sk_buff *skb;
-	struct list_head list;
-
-	int port;
-	u8 tag;
-};
-
 #define RSWITCH_NUM_IRQ_REGS	(RSWITCH_MAX_NUM_QUEUES / BITS_PER_TYPE(u32))
 struct rswitch_gwca {
 	unsigned int index;
···
 	struct rswitch_gwca_queue *queues;
 	int num_queues;
 	struct rswitch_gwca_queue ts_queue;
-	struct list_head ts_info_list;
 	DECLARE_BITMAP(used, RSWITCH_MAX_NUM_QUEUES);
 	u32 tx_irq_bits[RSWITCH_NUM_IRQ_REGS];
 	u32 rx_irq_bits[RSWITCH_NUM_IRQ_REGS];
···
 };
 
 #define NUM_QUEUES_PER_NDEV	2
+#define TS_TAGS_PER_PORT	256
 struct rswitch_device {
 	struct rswitch_private *priv;
 	struct net_device *ndev;
···
 	void __iomem *addr;
 	struct rswitch_gwca_queue *tx_queue;
 	struct rswitch_gwca_queue *rx_queue;
-	u8 ts_tag;
+	struct sk_buff *ts_skb[TS_TAGS_PER_PORT];
+	DECLARE_BITMAP(ts_skb_used, TS_TAGS_PER_PORT);
 	bool disabled;
 
 	int port;

drivers/net/ethernet/sfc/tc_conntrack.c

···
 			     void *cb_priv);
 
 static const struct rhashtable_params efx_tc_ct_zone_ht_params = {
-	.key_len	= offsetof(struct efx_tc_ct_zone, linkage),
+	.key_len	= sizeof_field(struct efx_tc_ct_zone, zone),
 	.key_offset	= 0,
 	.head_offset	= offsetof(struct efx_tc_ct_zone, linkage),
 };

drivers/net/ethernet/stmicro/stmmac/dwmac-tegra.c

···
 // SPDX-License-Identifier: GPL-2.0-only
+#include <linux/iommu.h>
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/module.h>
···
 
 	struct reset_control *rst_mac;
 	struct reset_control *rst_pcs;
+
+	u32 iommu_sid;
 
 	void __iomem *hv;
 	void __iomem *regs;
···
 #define MGBE_WRAP_COMMON_INTR_ENABLE	0x8704
 #define MAC_SBD_INTR			BIT(2)
 #define MGBE_WRAP_AXI_ASID0_CTRL	0x8400
-#define MGBE_SID			0x6
 
 static int __maybe_unused tegra_mgbe_suspend(struct device *dev)
 {
···
 	writel(MAC_SBD_INTR, mgbe->regs + MGBE_WRAP_COMMON_INTR_ENABLE);
 
 	/* Program SID */
-	writel(MGBE_SID, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
+	writel(mgbe->iommu_sid, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
 
 	value = readl(mgbe->xpcs + XPCS_WRAP_UPHY_STATUS);
 	if ((value & XPCS_WRAP_UPHY_STATUS_TX_P_UP) == 0) {
···
 	if (IS_ERR(mgbe->xpcs))
 		return PTR_ERR(mgbe->xpcs);
 
+	/* get controller's stream id from iommu property in device tree */
+	if (!tegra_dev_iommu_get_stream_id(mgbe->dev, &mgbe->iommu_sid)) {
+		dev_err(mgbe->dev, "failed to get iommu stream id\n");
+		return -EINVAL;
+	}
+
 	res.addr = mgbe->regs;
 	res.irq = irq;
 
···
 	writel(MAC_SBD_INTR, mgbe->regs + MGBE_WRAP_COMMON_INTR_ENABLE);
 
 	/* Program SID */
-	writel(MGBE_SID, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
+	writel(mgbe->iommu_sid, mgbe->hv + MGBE_WRAP_AXI_ASID0_CTRL);
 
 	plat->flags |= STMMAC_FLAG_SERDES_UP_AFTER_PHY_LINKUP;
 

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c

···
 }
 
 /**
- * stmmac_remove_config_dt - undo the effects of stmmac_probe_config_dt()
- * @pdev: platform_device structure
- * @plat: driver data platform structure
- *
- * Release resources claimed by stmmac_probe_config_dt().
- */
-static void stmmac_remove_config_dt(struct platform_device *pdev,
-				    struct plat_stmmacenet_data *plat)
-{
-	clk_disable_unprepare(plat->stmmac_clk);
-	clk_disable_unprepare(plat->pclk);
-	of_node_put(plat->phy_node);
-	of_node_put(plat->mdio_node);
-}
-
-/**
  * stmmac_probe_config_dt - parse device-tree driver parameters
  * @pdev: platform_device structure
  * @mac: MAC address to use
···
 		dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");
 
 	rc = stmmac_mdio_setup(plat, np, &pdev->dev);
-	if (rc)
-		return ERR_PTR(rc);
+	if (rc) {
+		ret = ERR_PTR(rc);
+		goto error_put_phy;
+	}
 
 	of_property_read_u32(np, "tx-fifo-depth", &plat->tx_fifo_size);
 
···
 	dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
 			       GFP_KERNEL);
 	if (!dma_cfg) {
-		stmmac_remove_config_dt(pdev, plat);
-		return ERR_PTR(-ENOMEM);
+		ret = ERR_PTR(-ENOMEM);
+		goto error_put_mdio;
 	}
 	plat->dma_cfg = dma_cfg;
 
···
 
 	rc = stmmac_mtl_setup(pdev, plat);
 	if (rc) {
-		stmmac_remove_config_dt(pdev, plat);
-		return ERR_PTR(rc);
+		ret = ERR_PTR(rc);
+		goto error_put_mdio;
 	}
 
 	/* clock setup */
···
 	clk_disable_unprepare(plat->pclk);
 error_pclk_get:
 	clk_disable_unprepare(plat->stmmac_clk);
+error_put_mdio:
+	of_node_put(plat->mdio_node);
+error_put_phy:
+	of_node_put(plat->phy_node);
 
 	return ret;
 }
···
 {
 	struct plat_stmmacenet_data *plat = data;
 
-	/* Platform data argument is unused */
-	stmmac_remove_config_dt(NULL, plat);
+	clk_disable_unprepare(plat->stmmac_clk);
+	clk_disable_unprepare(plat->pclk);
+	of_node_put(plat->mdio_node);
+	of_node_put(plat->phy_node);
 }
 
 /**
  * devm_stmmac_probe_config_dt
  * @pdev: platform_device structure
  * @mac: MAC address to use
- * Description: Devres variant of stmmac_probe_config_dt(). Does not require
- * the user to call stmmac_remove_config_dt() at driver detach.
+ * Description: Devres variant of stmmac_probe_config_dt().
  */
 struct plat_stmmacenet_data *
 devm_stmmac_probe_config_dt(struct platform_device *pdev, u8 *mac)

drivers/net/ethernet/ti/am65-cpsw-nuss.c

···
 	init_completion(&common->tdown_complete);
 	common->tx_ch_num = AM65_CPSW_DEFAULT_TX_CHNS;
 	common->rx_ch_num_flows = AM65_CPSW_DEFAULT_RX_CHN_FLOWS;
-	common->pf_p0_rx_ptype_rrobin = false;
+	common->pf_p0_rx_ptype_rrobin = true;
 	common->default_vlan = 1;
 
 	common->ports = devm_kcalloc(dev, common->port_num,

drivers/net/ethernet/ti/icssg/icss_iep.c

···
 	for (cmp = IEP_MIN_CMP; cmp < IEP_MAX_CMP; cmp++) {
 		regmap_update_bits(iep->map, ICSS_IEP_CMP_STAT_REG,
 				   IEP_CMP_STATUS(cmp), IEP_CMP_STATUS(cmp));
+
+		regmap_update_bits(iep->map, ICSS_IEP_CMP_CFG_REG,
+				   IEP_CMP_CFG_CMP_EN(cmp), 0);
 	}
 
 	/* enable reset counter on CMP0 event */
···
 		iep->ptp_clock = NULL;
 	}
 	icss_iep_disable(iep);
+
+	if (iep->pps_enabled)
+		icss_iep_pps_enable(iep, false);
+	else if (iep->perout_enabled)
+		icss_iep_perout_enable(iep, NULL, false);
 
 	return 0;
 }

drivers/net/ethernet/ti/icssg/icssg_common.c

···
 }
 EXPORT_SYMBOL_GPL(prueth_rx_irq);
 
-void prueth_emac_stop(struct prueth_emac *emac)
-{
-	struct prueth *prueth = emac->prueth;
-	int slice;
-
-	switch (emac->port_id) {
-	case PRUETH_PORT_MII0:
-		slice = ICSS_SLICE0;
-		break;
-	case PRUETH_PORT_MII1:
-		slice = ICSS_SLICE1;
-		break;
-	default:
-		netdev_err(emac->ndev, "invalid port\n");
-		return;
-	}
-
-	emac->fw_running = 0;
-	if (!emac->is_sr1)
-		rproc_shutdown(prueth->txpru[slice]);
-	rproc_shutdown(prueth->rtu[slice]);
-	rproc_shutdown(prueth->pru[slice]);
-}
-EXPORT_SYMBOL_GPL(prueth_emac_stop);
-
 void prueth_cleanup_tx_ts(struct prueth_emac *emac)
 {
 	int i;

drivers/net/ethernet/ti/icssg/icssg_config.c

···
 	return 0;
 }
 
-static void icssg_init_emac_mode(struct prueth *prueth)
+void icssg_init_emac_mode(struct prueth *prueth)
 {
 	/* When the device is configured as a bridge and it is being brought
 	 * back to the emac mode, the host mac address has to be set as 0.
···
 	u32 addr = prueth->shram.pa + EMAC_ICSSG_SWITCH_DEFAULT_VLAN_TABLE_OFFSET;
 	int i;
 	u8 mac[ETH_ALEN] = { 0 };
-
-	if (prueth->emacs_initialized)
-		return;
 
 	/* Set VLAN TABLE address base */
 	regmap_update_bits(prueth->miig_rt, FDB_GEN_CFG1, SMEM_VLAN_OFFSET_MASK,
···
 	/* Clear host MAC address */
 	icssg_class_set_host_mac_addr(prueth->miig_rt, mac);
 }
+EXPORT_SYMBOL_GPL(icssg_init_emac_mode);
 
-static void icssg_init_fw_offload_mode(struct prueth *prueth)
+void icssg_init_fw_offload_mode(struct prueth *prueth)
 {
 	u32 addr = prueth->shram.pa + EMAC_ICSSG_SWITCH_DEFAULT_VLAN_TABLE_OFFSET;
 	int i;
-
-	if (prueth->emacs_initialized)
-		return;
 
 	/* Set VLAN TABLE address base */
 	regmap_update_bits(prueth->miig_rt, FDB_GEN_CFG1, SMEM_VLAN_OFFSET_MASK,
···
 		icssg_class_set_host_mac_addr(prueth->miig_rt, prueth->hw_bridge_dev->dev_addr);
 	icssg_set_pvid(prueth, prueth->default_vlan, PRUETH_PORT_HOST);
 }
+EXPORT_SYMBOL_GPL(icssg_init_fw_offload_mode);
 
 int icssg_config(struct prueth *prueth, struct prueth_emac *emac, int slice)
 {
 	void __iomem *config = emac->dram.va + ICSSG_CONFIG_OFFSET;
 	struct icssg_flow_cfg __iomem *flow_cfg;
 	int ret;
-
-	if (prueth->is_switch_mode || prueth->is_hsr_offload_mode)
-		icssg_init_fw_offload_mode(prueth);
-	else
-		icssg_init_emac_mode(prueth);
 
 	memset_io(config, 0, TAS_GATE_MASK_LIST0);
 	icssg_miig_queues_init(prueth, slice);
···
 		writel(pvid, prueth->shram.va + EMAC_ICSSG_SWITCH_PORT0_DEFAULT_VLAN_OFFSET);
 }
 EXPORT_SYMBOL_GPL(icssg_set_pvid);
+
+int emac_fdb_flow_id_updated(struct prueth_emac *emac)
+{
+	struct mgmt_cmd_rsp fdb_cmd_rsp = { 0 };
+	int slice = prueth_emac_slice(emac);
+	struct mgmt_cmd fdb_cmd = { 0 };
+	int ret;
+
+	fdb_cmd.header = ICSSG_FW_MGMT_CMD_HEADER;
+	fdb_cmd.type   = ICSSG_FW_MGMT_FDB_CMD_TYPE_RX_FLOW;
+	fdb_cmd.seqnum = ++(emac->prueth->icssg_hwcmdseq);
+	fdb_cmd.param  = 0;
+
+	fdb_cmd.param |= (slice << 4);
+	fdb_cmd.cmd_args[0] = 0;
+
+	ret = icssg_send_fdb_msg(emac, &fdb_cmd, &fdb_cmd_rsp);
+	if (ret)
+		return ret;
+
+	WARN_ON(fdb_cmd.seqnum != fdb_cmd_rsp.seqnum);
+	return fdb_cmd_rsp.status == 1 ? 0 : -EINVAL;
+}
+EXPORT_SYMBOL_GPL(emac_fdb_flow_id_updated);

drivers/net/ethernet/ti/icssg/icssg_config.h

···
 #define ICSSG_FW_MGMT_FDB_CMD_TYPE	0x03
 #define ICSSG_FW_MGMT_CMD_TYPE		0x04
 #define ICSSG_FW_MGMT_PKT		0x80000000
+#define ICSSG_FW_MGMT_FDB_CMD_TYPE_RX_FLOW	0x05
 
 struct icssg_r30_cmd {
 	u32 cmd[4];

drivers/net/ethernet/ti/icssg/icssg_prueth.c

···
 	}
 };
 
-static int prueth_emac_start(struct prueth *prueth, struct prueth_emac *emac)
+static int prueth_start(struct rproc *rproc, const char *fw_name)
+{
+	int ret;
+
+	ret = rproc_set_firmware(rproc, fw_name);
+	if (ret)
+		return ret;
+	return rproc_boot(rproc);
+}
+
+static void prueth_shutdown(struct rproc *rproc)
+{
+	rproc_shutdown(rproc);
+}
+
+static int prueth_emac_start(struct prueth *prueth)
 {
 	struct icssg_firmwares *firmwares;
 	struct device *dev = prueth->dev;
-	int slice, ret;
+	int ret, slice;
 
 	if (prueth->is_switch_mode)
 		firmwares = icssg_switch_firmwares;
···
 	else
 		firmwares = icssg_emac_firmwares;
 
-	slice = prueth_emac_slice(emac);
-	if (slice < 0) {
-		netdev_err(emac->ndev, "invalid port\n");
-		return -EINVAL;
+	for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+		ret = prueth_start(prueth->pru[slice], firmwares[slice].pru);
+		if (ret) {
+			dev_err(dev, "failed to boot PRU%d: %d\n", slice, ret);
+			goto unwind_slices;
+		}
+
+		ret = prueth_start(prueth->rtu[slice], firmwares[slice].rtu);
+		if (ret) {
+			dev_err(dev, "failed to boot RTU%d: %d\n", slice, ret);
+			rproc_shutdown(prueth->pru[slice]);
+			goto unwind_slices;
+		}
+
+		ret = prueth_start(prueth->txpru[slice], firmwares[slice].txpru);
+		if (ret) {
+			dev_err(dev, "failed to boot TX_PRU%d: %d\n", slice, ret);
+			rproc_shutdown(prueth->rtu[slice]);
+			rproc_shutdown(prueth->pru[slice]);
+			goto unwind_slices;
+		}
 	}
 
-	ret = icssg_config(prueth, emac, slice);
-	if (ret)
-		return ret;
-
-	ret = rproc_set_firmware(prueth->pru[slice], firmwares[slice].pru);
-	ret = rproc_boot(prueth->pru[slice]);
-	if (ret) {
-		dev_err(dev, "failed to boot PRU%d: %d\n", slice, ret);
-		return -EINVAL;
-	}
-
-	ret = rproc_set_firmware(prueth->rtu[slice], firmwares[slice].rtu);
-	ret = rproc_boot(prueth->rtu[slice]);
-	if (ret) {
-		dev_err(dev, "failed to boot RTU%d: %d\n", slice, ret);
-		goto halt_pru;
-	}
-
-	ret = rproc_set_firmware(prueth->txpru[slice], firmwares[slice].txpru);
-	ret = rproc_boot(prueth->txpru[slice]);
-	if (ret) {
-		dev_err(dev, "failed to boot TX_PRU%d: %d\n", slice, ret);
-		goto halt_rtu;
-	}
-
-	emac->fw_running = 1;
 	return 0;
 
-halt_rtu:
-	rproc_shutdown(prueth->rtu[slice]);
-
-halt_pru:
-	rproc_shutdown(prueth->pru[slice]);
+unwind_slices:
+	while (--slice >= 0) {
+		prueth_shutdown(prueth->txpru[slice]);
+		prueth_shutdown(prueth->rtu[slice]);
+		prueth_shutdown(prueth->pru[slice]);
+	}
 
 	return ret;
+}
+
+static void prueth_emac_stop(struct prueth *prueth)
+{
+	int slice;
+
+	for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+		prueth_shutdown(prueth->txpru[slice]);
+		prueth_shutdown(prueth->rtu[slice]);
+		prueth_shutdown(prueth->pru[slice]);
+	}
+}
+
+static int prueth_emac_common_start(struct prueth *prueth)
+{
+	struct prueth_emac *emac;
+	int ret = 0;
+	int slice;
+
+	if (!prueth->emac[ICSS_SLICE0] && !prueth->emac[ICSS_SLICE1])
+		return -EINVAL;
+
+	/* clear SMEM and MSMC settings for all slices */
+	memset_io(prueth->msmcram.va, 0, prueth->msmcram.size);
+	memset_io(prueth->shram.va, 0, ICSSG_CONFIG_OFFSET_SLICE1 * PRUETH_NUM_MACS);
+
+	icssg_class_default(prueth->miig_rt, ICSS_SLICE0, 0, false);
+	icssg_class_default(prueth->miig_rt, ICSS_SLICE1, 0, false);
+
+	if (prueth->is_switch_mode || prueth->is_hsr_offload_mode)
+		icssg_init_fw_offload_mode(prueth);
+	else
+		icssg_init_emac_mode(prueth);
+
+	for (slice = 0; slice < PRUETH_NUM_MACS; slice++) {
+		emac = prueth->emac[slice];
+		if (!emac)
+			continue;
+		ret = icssg_config(prueth, emac, slice);
+		if (ret)
+			goto disable_class;
+	}
+
+	ret = prueth_emac_start(prueth);
+	if (ret)
+		goto disable_class;
+
+	emac = prueth->emac[ICSS_SLICE0] ? prueth->emac[ICSS_SLICE0] :
+	       prueth->emac[ICSS_SLICE1];
+	ret = icss_iep_init(emac->iep, &prueth_iep_clockops,
+			    emac, IEP_DEFAULT_CYCLE_TIME_NS);
+	if (ret) {
+		dev_err(prueth->dev, "Failed to initialize IEP module\n");
+		goto stop_pruss;
+	}
+
+	return 0;
+
+stop_pruss:
+	prueth_emac_stop(prueth);
+
+disable_class:
+	icssg_class_disable(prueth->miig_rt, ICSS_SLICE0);
+	icssg_class_disable(prueth->miig_rt, ICSS_SLICE1);
+
+	return ret;
+}
+
+static int prueth_emac_common_stop(struct prueth *prueth)
+{
+	struct prueth_emac *emac;
+
+	if (!prueth->emac[ICSS_SLICE0] && !prueth->emac[ICSS_SLICE1])
+		return -EINVAL;
+
+	icssg_class_disable(prueth->miig_rt, ICSS_SLICE0);
+	icssg_class_disable(prueth->miig_rt, ICSS_SLICE1);
+
+	prueth_emac_stop(prueth);
+
+	emac = prueth->emac[ICSS_SLICE0] ? prueth->emac[ICSS_SLICE0] :
+	       prueth->emac[ICSS_SLICE1];
+	icss_iep_exit(emac->iep);
+
+	return 0;
 }
 
 /* called back by PHY layer if there is change in link state of hw port*/
···
 	u64 cyclecount;
 	u32 cycletime;
 	int timeout;
-
-	if (!emac->fw_running)
-		return;
 
 	sc_descp = emac->prueth->shram.va + TIMESYNC_FW_WC_SETCLOCK_DESC_OFFSET;
 
···
 {
 	struct prueth_emac *emac = netdev_priv(ndev);
 	int ret, i, num_data_chn = emac->tx_ch_num;
+	struct icssg_flow_cfg __iomem *flow_cfg;
 	struct prueth *prueth = emac->prueth;
 	int slice = prueth_emac_slice(emac);
 	struct device *dev = prueth->dev;
 	int max_rx_flows;
 	int rx_flow;
 
-	/* clear SMEM and MSMC settings for all slices */
-	if (!prueth->emacs_initialized) {
-		memset_io(prueth->msmcram.va, 0, prueth->msmcram.size);
-		memset_io(prueth->shram.va, 0, ICSSG_CONFIG_OFFSET_SLICE1 * PRUETH_NUM_MACS);
-	}
-
 	/* set h/w MAC as user might have re-configured */
 	ether_addr_copy(emac->mac_addr, ndev->dev_addr);
 
 	icssg_class_set_mac_addr(prueth->miig_rt, slice, emac->mac_addr);
-	icssg_class_default(prueth->miig_rt, slice, 0, false);
 	icssg_ft1_set_mac_addr(prueth->miig_rt, slice, emac->mac_addr);
 
 	/* Notify the stack of the actual queue counts. */
···
 		goto cleanup_napi;
 	}
 
-	/* reset and start PRU firmware */
-	ret = prueth_emac_start(prueth, emac);
-	if (ret)
-		goto free_rx_irq;
+	if (!prueth->emacs_initialized) {
+		ret = prueth_emac_common_start(prueth);
+		if (ret)
+			goto free_rx_irq;
+	}
+
+	flow_cfg = emac->dram.va + ICSSG_CONFIG_OFFSET + PSI_L_REGULAR_FLOW_ID_BASE_OFFSET;
+	writew(emac->rx_flow_id_base, &flow_cfg->rx_base_flow);
+	ret = emac_fdb_flow_id_updated(emac);
+
+	if (ret) {
+		netdev_err(ndev, "Failed to update Rx Flow ID %d", ret);
+		goto stop;
+	}
 
 	icssg_mii_update_mtu(prueth->mii_rt, slice, ndev->max_mtu);
-
-	if (!prueth->emacs_initialized) {
-		ret = icss_iep_init(emac->iep, &prueth_iep_clockops,
-				    emac, IEP_DEFAULT_CYCLE_TIME_NS);
-	}
 
 	ret = request_threaded_irq(emac->tx_ts_irq, NULL, prueth_tx_ts_irq,
 				   IRQF_ONESHOT, dev_name(dev), emac);
···
 free_tx_ts_irq:
 	free_irq(emac->tx_ts_irq, emac);
 stop:
-	prueth_emac_stop(emac);
+	if (!prueth->emacs_initialized)
+		prueth_emac_common_stop(prueth);
 free_rx_irq:
 	free_irq(emac->rx_chns.irq[rx_flow], emac);
 cleanup_napi:
···
 	/* block packets from wire */
 	if (ndev->phydev)
 		phy_stop(ndev->phydev);
-
-	icssg_class_disable(prueth->miig_rt, prueth_emac_slice(emac));
 
 	if (emac->prueth->is_hsr_offload_mode)
 		__dev_mc_unsync(ndev, icssg_prueth_hsr_del_mcast);
···
 	/* Destroying the queued work in ndo_stop() */
 	cancel_delayed_work_sync(&emac->stats_work);
 
-	if (prueth->emacs_initialized == 1)
-		icss_iep_exit(emac->iep);
-
 	/* stop PRUs */
-	prueth_emac_stop(emac);
+	if (prueth->emacs_initialized == 1)
+		prueth_emac_common_stop(prueth);
 
 	free_irq(emac->tx_ts_irq, emac);
 
···
 	}
 }
 
-static void prueth_emac_restart(struct prueth *prueth)
+static int prueth_emac_restart(struct prueth *prueth)
 {
 	struct prueth_emac *emac0 = prueth->emac[PRUETH_MAC0];
 	struct prueth_emac *emac1 = prueth->emac[PRUETH_MAC1];
+	int ret;
 
 	/* Detach the net_device for both PRUeth ports*/
 	if (netif_running(emac0->ndev))
···
 		netif_device_detach(emac1->ndev);
 
 	/* Disable both PRUeth ports */
-	icssg_set_port_state(emac0, ICSSG_EMAC_PORT_DISABLE);
-	icssg_set_port_state(emac1, ICSSG_EMAC_PORT_DISABLE);
+	ret = icssg_set_port_state(emac0, ICSSG_EMAC_PORT_DISABLE);
+	ret |= icssg_set_port_state(emac1, ICSSG_EMAC_PORT_DISABLE);
+	if (ret)
+		return ret;
 
 	/* Stop both pru cores for both PRUeth ports*/
-	prueth_emac_stop(emac0);
-	prueth->emacs_initialized--;
-	prueth_emac_stop(emac1);
-	prueth->emacs_initialized--;
+	ret = prueth_emac_common_stop(prueth);
+	if (ret) {
+		dev_err(prueth->dev, "Failed to stop the firmwares");
+		return ret;
+	}
 
 	/* Start both pru cores for both PRUeth ports */
-	prueth_emac_start(prueth, emac0);
-	prueth->emacs_initialized++;
-	prueth_emac_start(prueth, emac1);
-	prueth->emacs_initialized++;
+	ret = prueth_emac_common_start(prueth);
+	if (ret) {
+		dev_err(prueth->dev, "Failed to start the firmwares");
+		return ret;
+	}
 
 	/* Enable forwarding for both PRUeth ports */
-	icssg_set_port_state(emac0, ICSSG_EMAC_PORT_FORWARD);
-	icssg_set_port_state(emac1, ICSSG_EMAC_PORT_FORWARD);
+	ret = icssg_set_port_state(emac0, ICSSG_EMAC_PORT_FORWARD);
+	ret |= icssg_set_port_state(emac1, ICSSG_EMAC_PORT_FORWARD);
 
 	/* Attache net_device for both PRUeth ports */
 	netif_device_attach(emac0->ndev);
 	netif_device_attach(emac1->ndev);
+
+	return ret;
 }
 
 static void icssg_change_mode(struct prueth *prueth)
 {
 	struct prueth_emac *emac;
-	int mac;
+	int mac, ret;
 
-	prueth_emac_restart(prueth);
+	ret = prueth_emac_restart(prueth);
+	if (ret) {
+		dev_err(prueth->dev, "Failed to restart the firmwares, aborting the process");
+		return;
+	}
 
 	for (mac = PRUETH_MAC0; mac < PRUETH_NUM_MACS; mac++) {
 		emac = prueth->emac[mac];
···
 {
 	struct prueth_emac *emac = netdev_priv(ndev);
 	struct prueth *prueth = emac->prueth;
+	int ret;
 
 	prueth->br_members &= ~BIT(emac->port_id);
 
 	if (prueth->is_switch_mode) {
 		prueth->is_switch_mode = false;
 		emac->port_vlan = 0;
-		prueth_emac_restart(prueth);
+		ret = prueth_emac_restart(prueth);
+		if (ret) {
+			dev_err(prueth->dev, "Failed to restart the firmwares, aborting the process");
+			return;
+		}
 	}
 
 	prueth_offload_fwd_mark_update(prueth);
···
 	struct prueth *prueth = emac->prueth;
 	struct prueth_emac *emac0;
 	struct prueth_emac *emac1;
+	int ret;
 
 	emac0 = prueth->emac[PRUETH_MAC0];
 	emac1 = prueth->emac[PRUETH_MAC1];
···
 		emac0->port_vlan = 0;
 		emac1->port_vlan = 0;
 		prueth->hsr_dev = NULL;
-		prueth_emac_restart(prueth);
+		ret = prueth_emac_restart(prueth);
+		if (ret) {
+			dev_err(prueth->dev, "Failed to restart the firmwares, aborting the process");
+			return;
+		}
 		netdev_dbg(ndev, "Disabling HSR Offload mode\n");
 	}
 }
···
 		prueth->pa_stats = NULL;
 	}
 
-	if (eth0_node) {
+	if (eth0_node || eth1_node) {
 		ret = prueth_get_cores(prueth, ICSS_SLICE0, false);
 		if (ret)
 			goto put_cores;
-	}
-
-	if (eth1_node) {
 		ret = prueth_get_cores(prueth, ICSS_SLICE1, false);
 		if (ret)
 			goto put_cores;
···
 	pruss_put(prueth->pruss);
 
 put_cores:
-	if (eth1_node) {
-		prueth_put_cores(prueth, ICSS_SLICE1);
-		of_node_put(eth1_node);
-	}
-
-	if (eth0_node) {
+	if (eth0_node || eth1_node) {
 		prueth_put_cores(prueth, ICSS_SLICE0);
 		of_node_put(eth0_node);
+
+		prueth_put_cores(prueth, ICSS_SLICE1);
+		of_node_put(eth1_node);
 	}
 
 	return ret;

drivers/net/ethernet/ti/icssg/icssg_prueth.h

···
 /* data for each emac port */
 struct prueth_emac {
 	bool is_sr1;
-	bool fw_running;
 	struct prueth *prueth;
 	struct net_device *ndev;
 	u8 mac_addr[6];
···
 			 enum icssg_port_state_cmd state);
 void icssg_config_set_speed(struct prueth_emac *emac);
 void icssg_config_half_duplex(struct prueth_emac *emac);
+void icssg_init_emac_mode(struct prueth *prueth);
+void icssg_init_fw_offload_mode(struct prueth *prueth);
 
 /* Buffer queue helpers */
 int icssg_queue_pop(struct prueth *prueth, u8 queue);
···
 		       u8 untag_mask, bool add);
 u16 icssg_get_pvid(struct prueth_emac *emac);
 void icssg_set_pvid(struct prueth *prueth, u8 vid, u8 port);
+int emac_fdb_flow_id_updated(struct prueth_emac *emac);
 #define prueth_napi_to_tx_chn(pnapi) \
 	container_of(pnapi, struct prueth_tx_chn, napi_tx)
 
···
 		       struct sk_buff *skb, u32 *psdata);
 enum netdev_tx icssg_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev);
 irqreturn_t prueth_rx_irq(int irq, void *dev_id);
-void prueth_emac_stop(struct prueth_emac *emac);
 void prueth_cleanup_tx_ts(struct prueth_emac *emac);
 int icssg_napi_rx_poll(struct napi_struct *napi_rx, int budget);
 int prueth_prepare_rx_chan(struct prueth_emac *emac,

drivers/net/ethernet/ti/icssg/icssg_prueth_sr1.c

···
 		goto halt_pru;
 	}
 
-	emac->fw_running = 1;
 	return 0;
 
 halt_pru:
 	rproc_shutdown(prueth->pru[slice]);
 
 	return ret;
+}
+
+static void prueth_emac_stop(struct prueth_emac *emac)
+{
+	struct prueth *prueth = emac->prueth;
+	int slice;
+
+	switch (emac->port_id) {
+	case PRUETH_PORT_MII0:
+		slice = ICSS_SLICE0;
+		break;
+	case PRUETH_PORT_MII1:
+		slice = ICSS_SLICE1;
+		break;
+	default:
+		netdev_err(emac->ndev, "invalid port\n");
+		return;
+	}
+
+	if (!emac->is_sr1)
+		rproc_shutdown(prueth->txpru[slice]);
+	rproc_shutdown(prueth->rtu[slice]);
+	rproc_shutdown(prueth->pru[slice]);
 }
 
 /**

drivers/net/ethernet/wangxun/libwx/wx_hw.c

···
 	status = read_poll_timeout(rd32, hicr, hicr & WX_MNG_MBOX_CTL_FWRDY, 1000,
 				   timeout * 1000, false, wx, WX_MNG_MBOX_CTL);
 
+	buf[0] = rd32(wx, WX_MNG_MBOX);
+	if ((buf[0] & 0xff0000) >> 16 == 0x80) {
+		wx_err(wx, "Unknown FW command: 0x%x\n", buffer[0] & 0xff);
+		status = -EINVAL;
+		goto rel_out;
+	}
+
 	/* Check command completion */
 	if (status) {
-		wx_dbg(wx, "Command has failed with no status valid.\n");
-
-		buf[0] = rd32(wx, WX_MNG_MBOX);
-		if ((buffer[0] & 0xff) != (~buf[0] >> 24)) {
-			status = -EINVAL;
-			goto rel_out;
-		}
-		if ((buf[0] & 0xff0000) >> 16 == 0x80) {
-			wx_dbg(wx, "It's unknown cmd.\n");
-			status = -EINVAL;
-			goto rel_out;
-		}
-
+		wx_err(wx, "Command has failed with no status valid.\n");
 		wx_dbg(wx, "write value:\n");
 		for (i = 0; i < dword_len; i++)
 			wx_dbg(wx, "%x ", buffer[i]);
 		wx_dbg(wx, "read value:\n");
 		for (i = 0; i < dword_len; i++)
 			wx_dbg(wx, "%x ", buf[i]);
+		wx_dbg(wx, "\ncheck: %x %x\n", buffer[0] & 0xff, ~buf[0] >> 24);
+
+		goto rel_out;
 	}
 
 	if (!return_data)

drivers/net/ieee802154/ca8210.c

···
 	spi_set_drvdata(priv->spi, priv);
 	if (IS_ENABLED(CONFIG_IEEE802154_CA8210_DEBUGFS)) {
 		cascoda_api_upstream = ca8210_test_int_driver_write;
-		ca8210_test_interface_init(priv);
+		ret = ca8210_test_interface_init(priv);
+		if (ret) {
+			dev_crit(&spi_device->dev, "ca8210_test_interface_init failed\n");
+			goto error;
+		}
 	} else {
 		cascoda_api_upstream = NULL;
 	}

drivers/net/mctp/mctp-i3c.c

···
 
 	xfer.data.in = skb_put(skb, mi->mrl);
 
+	/* Make sure netif_rx() is read in the same order as i3c. */
+	mutex_lock(&mi->lock);
 	rc = i3c_device_do_priv_xfers(mi->i3c, &xfer, 1);
 	if (rc < 0)
 		goto err;
···
 		stats->rx_dropped++;
 	}
 
+	mutex_unlock(&mi->lock);
 	return 0;
 err:
+	mutex_unlock(&mi->lock);
 	kfree_skb(skb);
 	return rc;
 }

drivers/net/mdio/fwnode_mdio.c

···
 static struct mii_timestamper *
 fwnode_find_mii_timestamper(struct fwnode_handle *fwnode)
 {
+	struct mii_timestamper *mii_ts;
 	struct of_phandle_args arg;
 	int err;
 
···
 	else if (err)
 		return ERR_PTR(err);
 
-	if (arg.args_count != 1)
-		return ERR_PTR(-EINVAL);
+	if (arg.args_count != 1) {
+		mii_ts = ERR_PTR(-EINVAL);
+		goto put_node;
+	}
 
-	return register_mii_timestamper(arg.np, arg.args[0]);
+	mii_ts = register_mii_timestamper(arg.np, arg.args[0]);
+
+put_node:
+	of_node_put(arg.np);
+	return mii_ts;
 }
 
 int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio,

drivers/net/netdevsim/health.c

···
 	char *break_msg;
 	int err;
 
+	if (count == 0 || count > PAGE_SIZE)
+		return -EINVAL;
 	break_msg = memdup_user_nul(data, count);
 	if (IS_ERR(break_msg))
 		return PTR_ERR(break_msg);

drivers/net/netdevsim/netdev.c

···
 		page_pool_put_full_page(ns->page->pp, ns->page, false);
 		ns->page = NULL;
 	}
-	rtnl_unlock();
 
 exit:
-	return count;
+	rtnl_unlock();
+	return ret;
 }
 
 static const struct file_operations nsim_pp_hold_fops = {

drivers/net/phy/aquantia/aquantia_leds.c

···
 	if (force_active_high || force_active_low)
 		return aqr_phy_led_active_low_set(phydev, index, force_active_low);
 
-	unreachable();
+	return -EINVAL;
 }

drivers/net/phy/intel-xway.c

···
 	if (force_active_high)
 		return phy_clear_bits(phydev, XWAY_MDIO_LED, XWAY_GPHY_LED_INV(index));
 
-	unreachable();
+	return -EINVAL;
 }
 
 static struct phy_driver xway_gphy[] = {

drivers/net/phy/micrel.c

···
 struct kszphy_priv {
 	struct kszphy_ptp_priv ptp_priv;
 	const struct kszphy_type *type;
+	struct clk *clk;
 	int led_mode;
 	u16 vct_ctrl1000;
 	bool rmii_ref_clk_sel;
 	bool rmii_ref_clk_sel_val;
+	bool clk_enable;
 	u64 stats[ARRAY_SIZE(kszphy_hw_stats)];
 };
 
···
 		data[i] = kszphy_get_stat(phydev, i);
 }
 
+static void kszphy_enable_clk(struct phy_device *phydev)
+{
+	struct kszphy_priv *priv = phydev->priv;
+
+	if (!priv->clk_enable && priv->clk) {
+		clk_prepare_enable(priv->clk);
+		priv->clk_enable = true;
+	}
+}
+
+static void kszphy_disable_clk(struct phy_device *phydev)
+{
+	struct kszphy_priv *priv = phydev->priv;
+
+	if (priv->clk_enable && priv->clk) {
+		clk_disable_unprepare(priv->clk);
+		priv->clk_enable = false;
+	}
+}
+
+static int kszphy_generic_resume(struct phy_device *phydev)
+{
+	kszphy_enable_clk(phydev);
+
+	return genphy_resume(phydev);
+}
+
+static int kszphy_generic_suspend(struct phy_device *phydev)
+{
+	int ret;
+
+	ret = genphy_suspend(phydev);
+	if (ret)
+		return ret;
+
+	kszphy_disable_clk(phydev);
+
+	return 0;
+}
+
 static int kszphy_suspend(struct phy_device *phydev)
 {
 	/* Disable PHY Interrupts */
···
 			phydev->drv->config_intr(phydev);
 	}
 
-	return genphy_suspend(phydev);
+	return kszphy_generic_suspend(phydev);
 }
 
 static void kszphy_parse_led_mode(struct phy_device *phydev)
···
 {
 	int ret;
 
-	genphy_resume(phydev);
+	ret = kszphy_generic_resume(phydev);
+	if (ret)
+		return ret;
 
 	/* After switching from power-down to normal mode, an internal global
 	 * reset is automatically generated. Wait a minimum of 1 ms before
···
 		if (phydev->drv->config_intr)
 			phydev->drv->config_intr(phydev);
 	}
+
+	return 0;
+}
+
+/* Because of errata DS80000700A, receiver error following software
+ * power down. Suspend and resume callbacks only disable and enable
+ * external rmii reference clock.
+ */
+static int ksz8041_resume(struct phy_device *phydev)
+{
+	kszphy_enable_clk(phydev);
+
+	return 0;
+}
+
+static int ksz8041_suspend(struct phy_device *phydev)
+{
+	kszphy_disable_clk(phydev);
 
 	return 0;
 }
···
 	if (!(ret & BMCR_PDOWN))
 		return 0;
 
-	genphy_resume(phydev);
+	ret = kszphy_generic_resume(phydev);
+	if (ret)
+		return ret;
+
 	usleep_range(1000, 2000);
 
 	/* Re-program the value after chip is reset. */
···
 	}
 
 	return 0;
+}
+
+static int ksz8061_suspend(struct phy_device *phydev)
+{
+	return kszphy_suspend(phydev);
 }
 
 static int kszphy_probe(struct phy_device *phydev)
···
 	} else if (!clk) {
 		/* unnamed clock from the generic ethernet-phy binding */
 		clk = devm_clk_get_optional_enabled(&phydev->mdio.dev, NULL);
-		if (IS_ERR(clk))
-			return PTR_ERR(clk);
 	}
+
+	if (IS_ERR(clk))
+		return PTR_ERR(clk);
+
+	clk_disable_unprepare(clk);
+	priv->clk = clk;
 
 	if (ksz8041_fiber_mode(phydev))
 		phydev->port = PORT_FIBRE;
···
 	return 0;
 }
 
+static int lan8804_resume(struct phy_device *phydev)
+{
+	return kszphy_resume(phydev);
+}
+
+static int lan8804_suspend(struct phy_device *phydev)
+{
+	return kszphy_generic_suspend(phydev);
+}
+
+static int lan8841_resume(struct phy_device *phydev)
+{
+	return kszphy_generic_resume(phydev);
+}
+
 static int lan8841_suspend(struct phy_device *phydev)
 {
 	struct kszphy_priv *priv = phydev->priv;
···
 	if (ptp_priv->ptp_clock)
 		ptp_cancel_worker_sync(ptp_priv->ptp_clock);
 
-	return genphy_suspend(phydev);
+	return kszphy_generic_suspend(phydev);
 }
 
 static struct phy_driver ksphy_driver[] = {
···
 	.get_sset_count = kszphy_get_sset_count,
 	.get_strings	= kszphy_get_strings,
 	.get_stats	= kszphy_get_stats,
-	/* No suspend/resume callbacks because of errata DS80000700A,
-	 * receiver error following software power down.
-	 */
+	.suspend	= ksz8041_suspend,
+	.resume		= ksz8041_resume,
 }, {
 	.phy_id		= PHY_ID_KSZ8041RNLI,
 	.phy_id_mask	= MICREL_PHY_ID_MASK,
···
 	.soft_reset	= genphy_soft_reset,
 	.config_intr	= kszphy_config_intr,
 	.handle_interrupt = kszphy_handle_interrupt,
-	.suspend	= kszphy_suspend,
+	.suspend	= ksz8061_suspend,
 	.resume		= ksz8061_resume,
 }, {
 	.phy_id		= PHY_ID_KSZ9021,
···
 	.get_sset_count	= kszphy_get_sset_count,
 	.get_strings	= kszphy_get_strings,
 	.get_stats	= kszphy_get_stats,
-	.suspend	= genphy_suspend,
-	.resume		= kszphy_resume,
+	.suspend	= lan8804_suspend,
+	.resume		= lan8804_resume,
 	.config_intr	= lan8804_config_intr,
 	.handle_interrupt = lan8804_handle_interrupt,
 }, {
···
 	.get_strings	= kszphy_get_strings,
 	.get_stats	= kszphy_get_stats,
 	.suspend	= lan8841_suspend,
-	.resume		= genphy_resume,
+	.resume		= lan8841_resume,
 	.cable_test_start	= lan8814_cable_test_start,
 	.cable_test_get_status	= ksz886x_cable_test_get_status,
 }, {

drivers/net/phy/mxl-gpy.c

···
 	if (force_active_high)
 		return phy_clear_bits(phydev, PHY_LED, PHY_LED_POLARITY(index));
 
-	unreachable();
+	return -EINVAL;
 }
 
 static struct phy_driver gpy_drivers[] = {

drivers/net/pse-pd/tps23881.c

···
 	if (id >= TPS23881_MAX_CHANS)
 		return -ERANGE;
 
-	ret = i2c_smbus_read_word_data(client, TPS23881_REG_PW_STATUS);
-	if (ret < 0)
-		return ret;
-
 	chan = priv->port[id].chan[0];
 	if (chan < 4)
-		val = (u16)(ret | BIT(chan));
+		val = BIT(chan);
 	else
-		val = (u16)(ret | BIT(chan + 4));
+		val = BIT(chan + 4);
 
 	if (priv->port[id].is_4p) {
 		chan = priv->port[id].chan[1];
···
 	if (id >= TPS23881_MAX_CHANS)
 		return -ERANGE;
 
-	ret = i2c_smbus_read_word_data(client, TPS23881_REG_PW_STATUS);
-	if (ret < 0)
-		return ret;
-
 	chan = priv->port[id].chan[0];
 	if (chan < 4)
-		val = (u16)(ret | BIT(chan + 4));
+		val = BIT(chan + 4);
 	else
-		val = (u16)(ret | BIT(chan + 8));
+		val = BIT(chan + 8);
 
 	if (priv->port[id].is_4p) {
 		chan = priv->port[id].chan[1];

drivers/net/team/team_core.c

···
 	unsigned int dst_release_flag = IFF_XMIT_DST_RELEASE |
 					IFF_XMIT_DST_RELEASE_PERM;
 
-	vlan_features = netdev_base_features(vlan_features);
-
 	rcu_read_lock();
+	if (list_empty(&team->port_list))
+		goto done;
+
+	vlan_features = netdev_base_features(vlan_features);
+	enc_features = netdev_base_features(enc_features);
+
 	list_for_each_entry_rcu(port, &team->port_list, list) {
 		vlan_features = netdev_increment_features(vlan_features,
 					port->dev->vlan_features,
···
 						  port->dev->hw_enc_features,
 						  TEAM_ENC_FEATURES);
 
-
 		dst_release_flag &= port->dev->priv_flags;
 		if (port->dev->hard_header_len > max_hard_header_len)
 			max_hard_header_len = port->dev->hard_header_len;
 	}
+done:
 	rcu_read_unlock();
 
 	team->dev->vlan_features = vlan_features;

drivers/net/tun.c

···
 	skb->truesize += skb->data_len;
 
 	for (i = 1; i < it->nr_segs; i++) {
-		const struct iovec *iov = iter_iov(it);
+		const struct iovec *iov = iter_iov(it) + i;
 		size_t fragsz = iov->iov_len;
 		struct page *page;
 		void *frag;

drivers/net/usb/qmi_wwan.c

···
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0195, 4)},	/* Quectel EG95 */
 	{QMI_FIXED_INTF(0x2c7c, 0x0296, 4)},	/* Quectel BG96 */
 	{QMI_QUIRK_SET_DTR(0x2c7c, 0x030e, 4)},	/* Quectel EM05GV2 */
+	{QMI_QUIRK_SET_DTR(0x2c7c, 0x0316, 3)},	/* Quectel RG255C */
 	{QMI_QUIRK_SET_DTR(0x2cb7, 0x0104, 4)},	/* Fibocom NL678 series */
 	{QMI_QUIRK_SET_DTR(0x2cb7, 0x0112, 0)},	/* Fibocom FG132 */
 	{QMI_FIXED_INTF(0x0489, 0xe0b4, 0)},	/* Foxconn T77W968 LTE */

drivers/net/wireless/intel/iwlwifi/cfg/bz.c

···
 
 const char iwl_bz_name[] = "Intel(R) TBD Bz device";
 const char iwl_fm_name[] = "Intel(R) Wi-Fi 7 BE201 320MHz";
+const char iwl_wh_name[] = "Intel(R) Wi-Fi 7 BE211 320MHz";
 const char iwl_gl_name[] = "Intel(R) Wi-Fi 7 BE200 320MHz";
 const char iwl_mtp_name[] = "Intel(R) Wi-Fi 7 BE202 160MHz";
 

drivers/net/wireless/intel/iwlwifi/iwl-config.h

···
 extern const char iwl_ax411_name[];
 extern const char iwl_bz_name[];
 extern const char iwl_fm_name[];
+extern const char iwl_wh_name[];
 extern const char iwl_gl_name[];
 extern const char iwl_mtp_name[];
 extern const char iwl_sc_name[];

drivers/net/wireless/intel/iwlwifi/mvm/d3.c

···
 				    int idx)
 {
 	int i;
+	int n_channels = 0;
 
 	if (fw_has_api(&mvm->fw->ucode_capa,
 		       IWL_UCODE_TLV_API_SCAN_OFFLOAD_CHANS)) {
···
 
 		for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN * 8; i++)
 			if (matches[idx].matching_channels[i / 8] & (BIT(i % 8)))
-				match->channels[match->n_channels++] =
+				match->channels[n_channels++] =
 					mvm->nd_channels[i]->center_freq;
 	} else {
 		struct iwl_scan_offload_profile_match_v1 *matches =
···
 
 		for (i = 0; i < SCAN_OFFLOAD_MATCHING_CHANNELS_LEN_V1 * 8; i++)
 			if (matches[idx].matching_channels[i / 8] & (BIT(i % 8)))
-				match->channels[match->n_channels++] =
+				match->channels[n_channels++] =
 					mvm->nd_channels[i]->center_freq;
 	}
+	/* We may have ended up with fewer channels than we allocated. */
+	match->n_channels = n_channels;
 }
 
 /**
···
 			     GFP_KERNEL);
 	if (!net_detect || !n_matches)
 		goto out_report_nd;
+	net_detect->n_matches = n_matches;
+	n_matches = 0;
 
 	for_each_set_bit(i, &matched_profiles, mvm->n_nd_match_sets) {
 		struct cfg80211_wowlan_nd_match *match;
···
 				GFP_KERNEL);
 		if (!match)
 			goto out_report_nd;
+		match->n_channels = n_channels;
 
-		net_detect->matches[net_detect->n_matches++] = match;
+		net_detect->matches[n_matches++] = match;
 
 		/* We inverted the order of the SSIDs in the scan
 		 * request, so invert the index here.
···
 
 		iwl_mvm_query_set_freqs(mvm, d3_data->nd_results, match, i);
 	}
+	/* We may have fewer matches than we allocated. */
+	net_detect->n_matches = n_matches;
 
 out_report_nd:
 	wakeup.net_detect = net_detect;

drivers/net/wireless/intel/iwlwifi/pcie/drv.c

···
 		      iwlax210_2ax_cfg_so_jf_b0, iwl9462_name),
 
 /* Bz */
-/* FIXME: need to change the naming according to the actual CRF */
 	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
 		      IWL_CFG_MAC_TYPE_BZ, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_HR2, IWL_CFG_ANY, IWL_CFG_ANY,
 		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_cfg_bz, iwl_ax201_name),
+
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_BZ, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_GF, IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_cfg_bz, iwl_ax211_name),
+
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_BZ, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_FM, IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_cfg_bz, iwl_fm_name),
+
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_BZ, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_WH, IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_cfg_bz, iwl_wh_name),
+
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_BZ_W, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_HR2, IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_cfg_bz, iwl_ax201_name),
+
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_BZ_W, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_GF, IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
+		      iwl_cfg_bz, iwl_ax211_name),
+
+	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+		      IWL_CFG_MAC_TYPE_BZ_W, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_FM, IWL_CFG_ANY, IWL_CFG_ANY,
 		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
 		      iwl_cfg_bz, iwl_fm_name),
 
 	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
 		      IWL_CFG_MAC_TYPE_BZ_W, IWL_CFG_ANY,
+		      IWL_CFG_RF_TYPE_WH, IWL_CFG_ANY, IWL_CFG_ANY,
 		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
-		      IWL_CFG_ANY, IWL_CFG_ANY, IWL_CFG_ANY,
-		      iwl_cfg_bz, iwl_fm_name),
+		      iwl_cfg_bz, iwl_wh_name),
 
 /* Ga (Gl) */
 	_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,

drivers/net/wireless/st/cw1200/cw1200_spi.c

···
 			cw1200_core_release(self->core);
 			self->core = NULL;
 		}
+		cw1200_spi_off(self, dev_get_platdata(&func->dev));
 	}
-	cw1200_spi_off(self, dev_get_platdata(&func->dev));
 }
 
 static int __maybe_unused cw1200_spi_suspend(struct device *dev)

drivers/net/wwan/iosm/iosm_ipc_mmio.c

···
 			break;
 
 		msleep(20);
-	} while (retries-- > 0);
+	} while (--retries > 0);
 
 	if (!retries) {
 		dev_err(ipc_mmio->dev, "invalid exec stage %X", stage);

drivers/net/wwan/t7xx/t7xx_state_monitor.c

···
 	fsm_state_notify(ctl->md, state);
 }
 
+static void fsm_release_command(struct kref *ref)
+{
+	struct t7xx_fsm_command *cmd = container_of(ref, typeof(*cmd), refcnt);
+
+	kfree(cmd);
+}
+
 static void fsm_finish_command(struct t7xx_fsm_ctl *ctl, struct t7xx_fsm_command *cmd, int result)
 {
 	if (cmd->flag & FSM_CMD_FLAG_WAIT_FOR_COMPLETION) {
-		*cmd->ret = result;
-		complete_all(cmd->done);
+		cmd->result = result;
+		complete_all(&cmd->done);
 	}
 
-	kfree(cmd);
+	kref_put(&cmd->refcnt, fsm_release_command);
 }
 
 static void fsm_del_kf_event(struct t7xx_fsm_event *event)
···
 
 int t7xx_fsm_append_cmd(struct t7xx_fsm_ctl *ctl, enum t7xx_fsm_cmd_state cmd_id, unsigned int flag)
 {
-	DECLARE_COMPLETION_ONSTACK(done);
 	struct t7xx_fsm_command *cmd;
 	unsigned long flags;
 	int ret;
···
 	INIT_LIST_HEAD(&cmd->entry);
 	cmd->cmd_id = cmd_id;
 	cmd->flag = flag;
+	kref_init(&cmd->refcnt);
 	if (flag & FSM_CMD_FLAG_WAIT_FOR_COMPLETION) {
-		cmd->done = &done;
-		cmd->ret = &ret;
+		init_completion(&cmd->done);
+		kref_get(&cmd->refcnt);
 	}
 
+	kref_get(&cmd->refcnt);
 	spin_lock_irqsave(&ctl->command_lock, flags);
 	list_add_tail(&cmd->entry, &ctl->command_queue);
 	spin_unlock_irqrestore(&ctl->command_lock, flags);
···
 	if (flag & FSM_CMD_FLAG_WAIT_FOR_COMPLETION) {
 		unsigned long wait_ret;
 
-		wait_ret = wait_for_completion_timeout(&done,
+		wait_ret = wait_for_completion_timeout(&cmd->done,
 						       msecs_to_jiffies(FSM_CMD_TIMEOUT_MS));
-		if (!wait_ret)
-			return -ETIMEDOUT;
 
+		ret = wait_ret ? cmd->result : -ETIMEDOUT;
+		kref_put(&cmd->refcnt, fsm_release_command);
 		return ret;
 	}
 

drivers/net/wwan/t7xx/t7xx_state_monitor.h

···
 	struct list_head	entry;
 	enum t7xx_fsm_cmd_state	cmd_id;
 	unsigned int		flag;
-	struct completion	*done;
-	int			*ret;
+	struct completion	done;
+	int			result;
+	struct kref		refcnt;
 };
 
 struct t7xx_fsm_notifier {

drivers/net/xen-netfront.c

···
 static int xennet_close(struct net_device *dev)
 {
 	struct netfront_info *np = netdev_priv(dev);
-	unsigned int num_queues = dev->real_num_tx_queues;
+	unsigned int num_queues = np->queues ? dev->real_num_tx_queues : 0;
 	unsigned int i;
 	struct netfront_queue *queue;
 	netif_tx_stop_all_queues(np->netdev);
···
 static void xennet_destroy_queues(struct netfront_info *info)
 {
 	unsigned int i;
+
+	if (!info->queues)
+		return;
 
 	for (i = 0; i < info->netdev->real_num_tx_queues; i++) {
 		struct netfront_queue *queue = &info->queues[i];

drivers/nvme/host/core.c

···
 	 * or smaller than a sector size yet, so catch this early and don't
 	 * allow block I/O.
 	 */
-	if (head->lba_shift > PAGE_SHIFT || head->lba_shift < SECTOR_SHIFT) {
+	if (blk_validate_block_size(bs)) {
 		bs = (1 << 9);
 		valid = false;
 	}

drivers/nvme/host/nvme.h

···
 	 * MSI (but not MSI-X) interrupts are broken and never fire.
 	 */
 	NVME_QUIRK_BROKEN_MSI			= (1 << 21),
+
+	/*
+	 * Align dma pool segment size to 512 bytes
+	 */
+	NVME_QUIRK_DMAPOOL_ALIGN_512		= (1 << 22),
 };
 
 /*

drivers/nvme/host/pci.c

···
 
 static int nvme_setup_prp_pools(struct nvme_dev *dev)
 {
+	size_t small_align = 256;
+
 	dev->prp_page_pool = dma_pool_create("prp list page", dev->dev,
 						NVME_CTRL_PAGE_SIZE,
 						NVME_CTRL_PAGE_SIZE, 0);
 	if (!dev->prp_page_pool)
 		return -ENOMEM;
 
+	if (dev->ctrl.quirks & NVME_QUIRK_DMAPOOL_ALIGN_512)
+		small_align = 512;
+
 	/* Optimisation for I/Os between 4k and 128k */
 	dev->prp_small_pool = dma_pool_create("prp list 256", dev->dev,
-						256, 256, 0);
+						256, small_align, 0);
 	if (!dev->prp_small_pool) {
 		dma_pool_destroy(dev->prp_page_pool);
 		return -ENOMEM;
···
 	{ PCI_VDEVICE(REDHAT, 0x0010),	/* Qemu emulated controller */
 		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x1217, 0x8760), /* O2 Micro 64GB Steam Deck */
-		.driver_data = NVME_QUIRK_QDEPTH_ONE },
+		.driver_data = NVME_QUIRK_DMAPOOL_ALIGN_512, },
 	{ PCI_DEVICE(0x126f, 0x2262),	/* Silicon Motion generic */
 		.driver_data = NVME_QUIRK_NO_DEEPEST_PS |
 				NVME_QUIRK_BOGUS_NID, },

drivers/nvme/host/tcp.c

···
 	return __nvme_tcp_alloc_io_queues(ctrl);
 }
 
-static void nvme_tcp_destroy_io_queues(struct nvme_ctrl *ctrl, bool remove)
-{
-	nvme_tcp_stop_io_queues(ctrl);
-	if (remove)
-		nvme_remove_io_tag_set(ctrl);
-	nvme_tcp_free_io_queues(ctrl);
-}
-
 static int nvme_tcp_configure_io_queues(struct nvme_ctrl *ctrl, bool new)
 {
 	int ret, nr_queues;
···
 	nvme_sync_io_queues(ctrl);
 	nvme_tcp_stop_io_queues(ctrl);
 	nvme_cancel_tagset(ctrl);
-	if (remove)
+	if (remove) {
 		nvme_unquiesce_io_queues(ctrl);
-	nvme_tcp_destroy_io_queues(ctrl, remove);
+		nvme_remove_io_tag_set(ctrl);
+	}
+	nvme_tcp_free_io_queues(ctrl);
 }
 
 static void nvme_tcp_reconnect_or_remove(struct nvme_ctrl *ctrl,
···
 		nvme_sync_io_queues(ctrl);
 		nvme_tcp_stop_io_queues(ctrl);
 		nvme_cancel_tagset(ctrl);
-		nvme_tcp_destroy_io_queues(ctrl, new);
+		if (new)
+			nvme_remove_io_tag_set(ctrl);
+		nvme_tcp_free_io_queues(ctrl);
 	}
 destroy_admin:
 	nvme_stop_keep_alive(ctrl);

drivers/nvme/target/admin-cmd.c

···
 	unsigned long idx;
 
 	ctrl = req->sq->ctrl;
-	xa_for_each(&ctrl->subsys->namespaces, idx, ns) {
+	nvmet_for_each_enabled_ns(&ctrl->subsys->namespaces, idx, ns) {
 		/* we don't have the right data for file backed ns */
 		if (!ns->bdev)
 			continue;
···
 	u32 count = 0;
 
 	if (!(req->cmd->get_log_page.lsp & NVME_ANA_LOG_RGO)) {
-		xa_for_each(&ctrl->subsys->namespaces, idx, ns)
+		nvmet_for_each_enabled_ns(&ctrl->subsys->namespaces, idx, ns) {
 			if (ns->anagrpid == grpid)
 				desc->nsids[count++] = cpu_to_le32(ns->nsid);
+		}
 	}
 
 	desc->grpid = cpu_to_le32(grpid);
···
 		goto out;
 	}
 
-	xa_for_each(&ctrl->subsys->namespaces, idx, ns) {
+	nvmet_for_each_enabled_ns(&ctrl->subsys->namespaces, idx, ns) {
 		if (ns->nsid <= min_endgid)
 			continue;
 
···
 		goto out;
 	}
 
-	xa_for_each(&ctrl->subsys->namespaces, idx, ns) {
+	nvmet_for_each_enabled_ns(&ctrl->subsys->namespaces, idx, ns) {
 		if (ns->nsid <= min_nsid)
 			continue;
 		if (match_css && req->ns->csi != req->cmd->identify.csi)

drivers/nvme/target/configfs.c

···
 	NULL,
 };
 
-bool nvmet_subsys_nsid_exists(struct nvmet_subsys *subsys, u32 nsid)
-{
-	struct config_item *ns_item;
-	char name[12];
-
-	snprintf(name, sizeof(name), "%u", nsid);
-	mutex_lock(&subsys->namespaces_group.cg_subsys->su_mutex);
-	ns_item = config_group_find_item(&subsys->namespaces_group, name);
-	mutex_unlock(&subsys->namespaces_group.cg_subsys->su_mutex);
-	return ns_item != NULL;
-}
-
 static void nvmet_ns_release(struct config_item *item)
 {
 	struct nvmet_ns *ns = to_nvmet_ns(item);
···
 		const char *page, size_t count)
 {
 	struct list_head *entry;
+	char *old_nqn, *new_nqn;
 	size_t len;
 
 	len = strcspn(page, "\n");
 	if (!len || len > NVMF_NQN_FIELD_LEN - 1)
 		return -EINVAL;
+
+	new_nqn = kstrndup(page, len, GFP_KERNEL);
+	if (!new_nqn)
+		return -ENOMEM;
 
 	down_write(&nvmet_config_sem);
 	list_for_each(entry, &nvmet_subsystems_group.cg_children) {
···
 		if (!strncmp(config_item_name(item), page, len)) {
 			pr_err("duplicate NQN %s\n", config_item_name(item));
 			up_write(&nvmet_config_sem);
+			kfree(new_nqn);
 			return -EINVAL;
 		}
 	}
-	memset(nvmet_disc_subsys->subsysnqn, 0, NVMF_NQN_FIELD_LEN);
-	memcpy(nvmet_disc_subsys->subsysnqn, page, len);
+	old_nqn = nvmet_disc_subsys->subsysnqn;
+	nvmet_disc_subsys->subsysnqn = new_nqn;
 	up_write(&nvmet_config_sem);
 
+	kfree(old_nqn);
 	return len;
 }
 

drivers/nvme/target/core.c

···
 	unsigned long idx;
 	u32 nsid = 0;
 
-	xa_for_each(&subsys->namespaces, idx, cur)
+	nvmet_for_each_enabled_ns(&subsys->namespaces, idx, cur)
 		nsid = cur->nsid;
 
 	return nsid;
···
 	struct nvmet_subsys *subsys = nvmet_req_subsys(req);
 
 	req->ns = xa_load(&subsys->namespaces, nsid);
-	if (unlikely(!req->ns)) {
+	if (unlikely(!req->ns || !req->ns->enabled)) {
 		req->error_loc = offsetof(struct nvme_common_command, nsid);
-		if (nvmet_subsys_nsid_exists(subsys, nsid))
-			return NVME_SC_INTERNAL_PATH_ERROR;
-		return NVME_SC_INVALID_NS | NVME_STATUS_DNR;
+		if (!req->ns) /* ns doesn't exist! */
+			return NVME_SC_INVALID_NS | NVME_STATUS_DNR;
+
+		/* ns exists but it's disabled */
+		req->ns = NULL;
+		return NVME_SC_INTERNAL_PATH_ERROR;
 	}
 
 	percpu_ref_get(&req->ns->ref);
···
 		goto out_unlock;
 
 	ret = -EMFILE;
-	if (subsys->nr_namespaces == NVMET_MAX_NAMESPACES)
-		goto out_unlock;
 
 	ret = nvmet_bdev_ns_enable(ns);
 	if (ret == -ENOTBLK)
···
 	list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry)
 		nvmet_p2pmem_ns_add_p2p(ctrl, ns);
 
-	ret = percpu_ref_init(&ns->ref, nvmet_destroy_namespace,
-				0, GFP_KERNEL);
-	if (ret)
-		goto out_dev_put;
-
-	if (ns->nsid > subsys->max_nsid)
-		subsys->max_nsid = ns->nsid;
-
-	ret = xa_insert(&subsys->namespaces, ns->nsid, ns, GFP_KERNEL);
-	if (ret)
-		goto out_restore_subsys_maxnsid;
-
 	if (ns->pr.enable) {
 		ret = nvmet_pr_init_ns(ns);
 		if (ret)
-			goto out_remove_from_subsys;
+			goto out_dev_put;
 	}
-
-	subsys->nr_namespaces++;
 
 	nvmet_ns_changed(subsys, ns->nsid);
 	ns->enabled = true;
+	xa_set_mark(&subsys->namespaces, ns->nsid, NVMET_NS_ENABLED);
 	ret = 0;
 out_unlock:
 	mutex_unlock(&subsys->lock);
 	return ret;
-
-out_remove_from_subsys:
-	xa_erase(&subsys->namespaces, ns->nsid);
-out_restore_subsys_maxnsid:
-	subsys->max_nsid = nvmet_max_nsid(subsys);
-	percpu_ref_exit(&ns->ref);
 out_dev_put:
 	list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry)
 		pci_dev_put(radix_tree_delete(&ctrl->p2p_ns_map, ns->nsid));
···
 		goto out_unlock;
 
 	ns->enabled = false;
-	xa_erase(&ns->subsys->namespaces, ns->nsid);
-	if (ns->nsid == subsys->max_nsid)
-		subsys->max_nsid = nvmet_max_nsid(subsys);
+	xa_clear_mark(&subsys->namespaces, ns->nsid, NVMET_NS_ENABLED);
 
 	list_for_each_entry(ctrl, &subsys->ctrls, subsys_entry)
 		pci_dev_put(radix_tree_delete(&ctrl->p2p_ns_map, ns->nsid));
+
+	mutex_unlock(&subsys->lock);
+
+	if (ns->pr.enable)
+		nvmet_pr_exit_ns(ns);
+
+	mutex_lock(&subsys->lock);
+	nvmet_ns_changed(subsys, ns->nsid);
+	nvmet_ns_dev_disable(ns);
+out_unlock:
+	mutex_unlock(&subsys->lock);
+}
+
+void nvmet_ns_free(struct nvmet_ns *ns)
+{
+	struct nvmet_subsys *subsys = ns->subsys;
+
+	nvmet_ns_disable(ns);
+
+	mutex_lock(&subsys->lock);
+
+	xa_erase(&subsys->namespaces, ns->nsid);
+	if (ns->nsid == subsys->max_nsid)
+		subsys->max_nsid = nvmet_max_nsid(subsys);
 
 	mutex_unlock(&subsys->lock);
 
···
 	wait_for_completion(&ns->disable_done);
 	percpu_ref_exit(&ns->ref);
 
-	if (ns->pr.enable)
-		nvmet_pr_exit_ns(ns);
-
 	mutex_lock(&subsys->lock);
-
 	subsys->nr_namespaces--;
-	nvmet_ns_changed(subsys, ns->nsid);
-	nvmet_ns_dev_disable(ns);
-out_unlock:
 	mutex_unlock(&subsys->lock);
-}
-
-void nvmet_ns_free(struct nvmet_ns *ns)
-{
-	nvmet_ns_disable(ns);
 
 	down_write(&nvmet_ana_sem);
 	nvmet_ana_group_enabled[ns->anagrpid]--;
···
 {
 	struct nvmet_ns *ns;
 
+	mutex_lock(&subsys->lock);
+
+	if (subsys->nr_namespaces == NVMET_MAX_NAMESPACES)
+		goto out_unlock;
+
 	ns = kzalloc(sizeof(*ns), GFP_KERNEL);
 	if (!ns)
-		return NULL;
+		goto out_unlock;
 
 	init_completion(&ns->disable_done);
 
 	ns->nsid = nsid;
 	ns->subsys = subsys;
+
+	if (percpu_ref_init(&ns->ref, nvmet_destroy_namespace, 0, GFP_KERNEL))
+		goto out_free;
+
+	if (ns->nsid > subsys->max_nsid)
+		subsys->max_nsid = nsid;
+
+	if (xa_insert(&subsys->namespaces, ns->nsid, ns, GFP_KERNEL))
+		goto out_exit;
+
+	subsys->nr_namespaces++;
+
+	mutex_unlock(&subsys->lock);
 
 	down_write(&nvmet_ana_sem);
 	ns->anagrpid = NVMET_DEFAULT_ANA_GRPID;
···
 	ns->csi = NVME_CSI_NVM;
 
 	return ns;
+out_exit:
+	subsys->max_nsid = nvmet_max_nsid(subsys);
+	percpu_ref_exit(&ns->ref);
+out_free:
+	kfree(ns);
+out_unlock:
+	mutex_unlock(&subsys->lock);
+	return NULL;
 }
 
 static void nvmet_update_sq_head(struct nvmet_req *req)
···
 
 	ctrl->p2p_client = get_device(req->p2p_client);
 
-	xa_for_each(&ctrl->subsys->namespaces, idx, ns)
+	nvmet_for_each_enabled_ns(&ctrl->subsys->namespaces, idx, ns)
 		nvmet_p2pmem_ns_add_p2p(ctrl, ns);
 }
 

drivers/nvme/target/io-cmd-bdev.c

···
 	 */
 	id->nsfeat |= 1 << 4;
 	/* NPWG = Namespace Preferred Write Granularity. 0's based */
-	id->npwg = lpp0b;
+	id->npwg = to0based(bdev_io_min(bdev) / bdev_logical_block_size(bdev));
 	/* NPWA = Namespace Preferred Write Alignment. 0's based */
 	id->npwa = id->npwg;
 	/* NPDG = Namespace Preferred Deallocate Granularity. 0's based */

drivers/nvme/target/nvmet.h

···
 
 #define NVMET_DEFAULT_VS		NVME_VS(2, 1, 0)
 
+#define NVMET_NS_ENABLED		XA_MARK_1
 #define NVMET_ASYNC_EVENTS		4
 #define NVMET_ERROR_LOG_SLOTS		128
 #define NVMET_NO_ERROR_LOC		((u16)-1)
···
 #define NVMET_SN_MAX_SIZE		20
 #define NVMET_FR_MAX_SIZE		8
 #define NVMET_PR_LOG_QUEUE_SIZE		64
+
+#define nvmet_for_each_ns(xa, index, entry) \
+	xa_for_each(xa, index, entry)
+
+#define nvmet_for_each_enabled_ns(xa, index, entry) \
+	xa_for_each_marked(xa, index, entry, NVMET_NS_ENABLED)
 
 /*
  * Supported optional AENs:

drivers/nvme/target/pr.c

···
 		goto success;
 	}
 
-	xa_for_each(&ctrl->subsys->namespaces, idx, ns) {
+	nvmet_for_each_enabled_ns(&ctrl->subsys->namespaces, idx, ns) {
 		if (ns->pr.enable)
 			WRITE_ONCE(ns->pr.notify_mask, mask);
 	}
···
 	 * nvmet_pr_init_ns(), see more details in nvmet_ns_enable().
 	 * So just check ns->pr.enable.
 	 */
-	xa_for_each(&subsys->namespaces, idx, ns) {
+	nvmet_for_each_enabled_ns(&subsys->namespaces, idx, ns) {
 		if (ns->pr.enable) {
 			ret = nvmet_pr_alloc_and_insert_pc_ref(ns, ctrl->cntlid,
 							&ctrl->hostid);
···
 	return 0;
 
 free_per_ctrl_refs:
-	xa_for_each(&subsys->namespaces, idx, ns) {
+	nvmet_for_each_enabled_ns(&subsys->namespaces, idx, ns) {
 		if (ns->pr.enable) {
 			pc_ref = xa_erase(&ns->pr_per_ctrl_refs, ctrl->cntlid);
 			if (pc_ref)
···
 	kfifo_free(&ctrl->pr_log_mgr.log_queue);
 	mutex_destroy(&ctrl->pr_log_mgr.lock);
 
-	xa_for_each(&ctrl->subsys->namespaces, idx, ns) {
+	nvmet_for_each_enabled_ns(&ctrl->subsys->namespaces, idx, ns) {
 		if (ns->pr.enable) {
 			pc_ref = xa_erase(&ns->pr_per_ctrl_refs, ctrl->cntlid);
 			if (pc_ref)

drivers/of/address.c

···
 	}
 	if (ranges == NULL || rlen == 0) {
 		offset = of_read_number(addr, na);
-		memset(addr, 0, pna * 4);
+		/* set address to zero, pass flags through */
+		memset(addr + pbus->flag_cells, 0, (pna - pbus->flag_cells) * 4);
 		pr_debug("empty ranges; 1:1 translation\n");
 		goto finish;
 	}
···
 	if (ret < 0)
 		return of_get_parent(np);
 
-	return of_node_get(args.np);
+	return args.np;
 }
 #endif
 

drivers/of/base.c

···
 }
 
 #define EXCLUDED_DEFAULT_CELLS_PLATFORMS ( \
-	IS_ENABLED(CONFIG_SPARC) \
+	IS_ENABLED(CONFIG_SPARC) || \
+	of_find_compatible_node(NULL, NULL, "coreboot") \
 )
 
 int of_bus_n_addr_cells(struct device_node *np)
···
 			map_len--;
 
 			/* Check if not found */
-			if (!new)
+			if (!new) {
+				ret = -EINVAL;
 				goto put;
+			}
 
 			if (!of_device_is_available(new))
 				match = 0;
···
 				goto put;
 
 			/* Check for malformed properties */
-			if (WARN_ON(new_size > MAX_PHANDLE_ARGS))
+			if (WARN_ON(new_size > MAX_PHANDLE_ARGS) ||
+			    map_len < new_size) {
+				ret = -EINVAL;
 				goto put;
-			if (map_len < new_size)
-				goto put;
+			}
 
 			/* Move forward by new node's #<list>-cells amount */
 			map += new_size;
 			map_len -= new_size;
 		}
-		if (!match)
+		if (!match) {
+			ret = -ENOENT;
 			goto put;
+		}
 
 		/* Get the <list>-map-pass-thru property (optional) */
 		pass = of_get_property(cur, pass_name, NULL);

drivers/of/empty_root.dts

···
 /dts-v1/;
 
 / {
-
+	/*
+	 * #address-cells/#size-cells are required properties at root node.
+	 * Use 2 cells for both address cells and size cells in order to fully
+	 * support 64-bit addresses and sizes on systems using this empty root
+	 * node.
+	 */
+	#address-cells = <0x02>;
+	#size-cells = <0x02>;
 };

drivers/of/irq.c

···
 	else
 		np = of_find_node_by_phandle(be32_to_cpup(imap));
 	imap++;
+	len--;
 
 	/* Check if not found */
 	if (!np) {
···
 		return of_irq_parse_oldworld(device, index, out_irq);
 
 	/* Get the reg property (if any) */
+	addr_len = 0;
 	addr = of_get_property(device, "reg", &addr_len);
 
 	/* Prevent out-of-bounds read in case of longer interrupt parent address size */

drivers/of/property.c

···
 DEFINE_SIMPLE_PROP(mboxes, "mboxes", "#mbox-cells")
 DEFINE_SIMPLE_PROP(io_channels, "io-channels", "#io-channel-cells")
 DEFINE_SIMPLE_PROP(io_backends, "io-backends", "#io-backend-cells")
-DEFINE_SIMPLE_PROP(interrupt_parent, "interrupt-parent", NULL)
 DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
 DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
 DEFINE_SIMPLE_PROP(hwlocks, "hwlocks", "#hwlock-cells")
···
 	{ .parse_prop = parse_mboxes, },
 	{ .parse_prop = parse_io_channels, },
 	{ .parse_prop = parse_io_backends, },
-	{ .parse_prop = parse_interrupt_parent, },
 	{ .parse_prop = parse_dmas, .optional = true, },
 	{ .parse_prop = parse_power_domains, },
 	{ .parse_prop = parse_hwlocks, },

drivers/of/unittest-data/tests-address.dtsi

···
 				device_type = "pci";
 				ranges = <0x82000000 0 0xe8000000 0 0xe8000000 0 0x7f00000>,
 					 <0x81000000 0 0x00000000 0 0xefff0000 0 0x0010000>;
+				dma-ranges = <0x43000000 0x10 0x00 0x00 0x00 0x00 0x10000000>;
 				reg = <0x00000000 0xd1070000 0x20000>;
 
 				pci@0,0 {
···
 							#size-cells = <0x01>;
 							ranges = <0xa0000000 0 0 0 0x2000000>,
 								 <0xb0000000 1 0 0 0x1000000>;
+							dma-ranges = <0xc0000000 0x43000000 0x10 0x00 0x10000000>;
 
 							dev@e0000000 {
 								reg = <0xa0001000 0x1000>,

drivers/of/unittest.c

···
 	of_node_put(np);
 }
 
+static void __init of_unittest_pci_empty_dma_ranges(void)
+{
+	struct device_node *np;
+	struct of_pci_range range;
+	struct of_pci_range_parser parser;
+
+	if (!IS_ENABLED(CONFIG_PCI))
+		return;
+
+	np = of_find_node_by_path("/testcase-data/address-tests2/pcie@d1070000/pci@0,0/dev@0,0/local-bus@0");
+	if (!np) {
+		pr_err("missing testcase data\n");
+		return;
+	}
+
+	if (of_pci_dma_range_parser_init(&parser, np)) {
+		pr_err("missing dma-ranges property\n");
+		return;
+	}
+
+	/*
+	 * Get the dma-ranges from the device tree
+	 */
+	for_each_of_pci_range(&parser, &range) {
+		unittest(range.size == 0x10000000,
+			 "for_each_of_pci_range wrong size on node %pOF size=%llx\n",
+			 np, range.size);
+		unittest(range.cpu_addr == 0x00000000,
+			 "for_each_of_pci_range wrong CPU addr (%llx) on node %pOF",
+			 range.cpu_addr, np);
+		unittest(range.pci_addr == 0xc0000000,
+			 "for_each_of_pci_range wrong DMA addr (%llx) on node %pOF",
+			 range.pci_addr, np);
+	}
+
+	of_node_put(np);
+}
+
 static void __init of_unittest_bus_ranges(void)
 {
 	struct device_node *np;
···
 	of_unittest_dma_get_max_cpu_address();
 	of_unittest_parse_dma_ranges();
 	of_unittest_pci_dma_ranges();
+	of_unittest_pci_empty_dma_ranges();
 	of_unittest_bus_ranges();
 	of_unittest_bus_3cell_ranges();
 	of_unittest_reg();

drivers/pci/msi/irqdomain.c

···
 
 	domain = dev_get_msi_domain(&pdev->dev);
 
-	if (!domain || !irq_domain_is_hierarchy(domain))
-		return mode == ALLOW_LEGACY;
+	if (!domain || !irq_domain_is_hierarchy(domain)) {
+		if (IS_ENABLED(CONFIG_PCI_MSI_ARCH_FALLBACKS))
+			return mode == ALLOW_LEGACY;
+		return false;
+	}
 
 	if (!irq_domain_is_msi_parent(domain)) {
 		/*

drivers/pci/msi/msi.c

···
 	if (WARN_ON_ONCE(dev->msi_enabled))
 		return -EINVAL;
 
+	/* Test for the availability of MSI support */
+	if (!pci_msi_domain_supports(dev, 0, ALLOW_LEGACY))
+		return -ENOTSUPP;
+
 	nvec = pci_msi_vec_count(dev);
 	if (nvec < 0)
 		return nvec;

drivers/pci/pci.c

···
 	pcie_capability_read_dword(dev, PCI_EXP_LNKCAP2, &lnkcap2);
 	speeds = lnkcap2 & PCI_EXP_LNKCAP2_SLS;
 
+	/* Ignore speeds higher than Max Link Speed */
+	pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap);
+	speeds &= GENMASK(lnkcap & PCI_EXP_LNKCAP_SLS, 0);
+
 	/* PCIe r3.0-compliant */
 	if (speeds)
 		return speeds;
-
-	pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap);
 
 	/* Synthesize from the Max Link Speed field */
 	if ((lnkcap & PCI_EXP_LNKCAP_SLS) == PCI_EXP_LNKCAP_SLS_5_0GB)

drivers/pci/pcie/portdrv.c

···
 	    (pcie_ports_dpc_native || (services & PCIE_PORT_SERVICE_AER)))
 		services |= PCIE_PORT_SERVICE_DPC;
 
+	/* Enable bandwidth control if more than one speed is supported. */
 	if (pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM ||
 	    pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) {
 		u32 linkcap;
 
 		pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &linkcap);
-		if (linkcap & PCI_EXP_LNKCAP_LBNC)
+		if (linkcap & PCI_EXP_LNKCAP_LBNC &&
+		    hweight8(dev->supported_speeds) > 1)
 			services |= PCIE_PORT_SERVICE_BWCTRL;
 	}
 

drivers/perf/riscv_pmu_sbi.c

···
 {
 	u32 type = event->attr.type;
 	u64 config = event->attr.config;
-	u64 raw_config_val;
-	int ret;
+	int ret = -ENOENT;
 
 	/*
 	 * Ensure we are finished checking standard hardware events for
···
 	case PERF_TYPE_RAW:
 		/*
 		 * As per SBI specification, the upper 16 bits must be unused
-		 * for a raw event.
+		 * for a hardware raw event.
 		 * Bits 63:62 are used to distinguish between raw events
 		 * 00 - Hardware raw event
 		 * 10 - SBI firmware events
 		 * 11 - Risc-V platform specific firmware event
 		 */
-		raw_config_val = config & RISCV_PMU_RAW_EVENT_MASK;
+
 		switch (config >> 62) {
 		case 0:
-			ret = RISCV_PMU_RAW_EVENT_IDX;
-			*econfig = raw_config_val;
+			/* Return error any bits [48-63] is set  as it is not allowed by the spec */
+			if (!(config & ~RISCV_PMU_RAW_EVENT_MASK)) {
+				*econfig = config & RISCV_PMU_RAW_EVENT_MASK;
+				ret = RISCV_PMU_RAW_EVENT_IDX;
+			}
 			break;
 		case 2:
-			ret = (raw_config_val & 0xFFFF) |
-				(SBI_PMU_EVENT_TYPE_FW << 16);
+			ret = (config & 0xFFFF) | (SBI_PMU_EVENT_TYPE_FW << 16);
 			break;
 		case 3:
 			/*
···
 			 * Event data - raw event encoding
 			 */
 			ret = SBI_PMU_EVENT_TYPE_FW << 16 | RISCV_PLAT_FW_EVENT;
-			*econfig = raw_config_val;
+			*econfig = config & RISCV_PMU_PLAT_FW_EVENT_MASK;
+			break;
+		default:
 			break;
 		}
 		break;
 	default:
-		ret = -ENOENT;
 		break;
 	}
 

drivers/phy/broadcom/phy-brcm-usb-init-synopsys.c

···
 	void __iomem *ctrl = params->regs[BRCM_REGS_CTRL];
 
 	USB_CTRL_UNSET(ctrl, USB_PM, XHC_S2_CLK_SWITCH_EN);
+
+	/*
+	 * The PHY might be in a bad state if it is already powered
+	 * up. Toggle the power just in case.
+	 */
+	USB_CTRL_SET(ctrl, USB_PM, USB_PWRDN);
 	USB_CTRL_UNSET(ctrl, USB_PM, USB_PWRDN);
 
 	/* 1 millisecond - for USB clocks to settle down */

drivers/phy/freescale/phy-fsl-samsung-hdmi.c

···
 			 * Fvco = (M * f_ref) / P,
 			 * where f_ref is 24MHz.
 			 */
-			tmp = (u64)_m * 24 * MHZ;
-			do_div(tmp, _p);
+			tmp = div64_ul((u64)_m * 24 * MHZ, _p);
 			if (tmp < 750 * MHZ ||
 			    tmp > 3000 * MHZ)
 				continue;

drivers/phy/mediatek/Kconfig

···
 	depends on ARCH_MEDIATEK || COMPILE_TEST
 	depends on COMMON_CLK
 	depends on OF
+	depends on REGULATOR
 	select GENERIC_PHY
 	help
 	  Support HDMI PHY for Mediatek SoCs.

drivers/phy/phy-core.c

···
 			return phy_provider;
 
 		for_each_child_of_node(phy_provider->children, child)
-			if (child == node)
+			if (child == node) {
+				of_node_put(child);
 				return phy_provider;
+			}
 	}
 
 	return ERR_PTR(-EPROBE_DEFER);
···
 		return ERR_PTR(-ENODEV);
 
 	/* This phy type handled by the usb-phy subsystem for now */
-	if (of_device_is_compatible(args.np, "usb-nop-xceiv"))
-		return ERR_PTR(-ENODEV);
+	if (of_device_is_compatible(args.np, "usb-nop-xceiv")) {
+		phy = ERR_PTR(-ENODEV);
+		goto out_put_node;
+	}
 
 	mutex_lock(&phy_provider_mutex);
 	phy_provider = of_phy_provider_lookup(args.np);
···
 
 out_unlock:
 	mutex_unlock(&phy_provider_mutex);
+out_put_node:
 	of_node_put(args.np);
 
 	return phy;
···
 	if (!phy)
 		return;
 
-	r = devres_destroy(dev, devm_phy_release, devm_phy_match, phy);
+	r = devres_release(dev, devm_phy_release, devm_phy_match, phy);
 	dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n");
 }
 EXPORT_SYMBOL_GPL(devm_phy_put);
···
 {
 	int r;
 
-	r = devres_destroy(dev, devm_phy_consume, devm_phy_match, phy);
+	r = devres_release(dev, devm_phy_consume, devm_phy_match, phy);
 	dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n");
 }
 EXPORT_SYMBOL_GPL(devm_phy_destroy);
···
  * of_phy_provider_unregister to unregister the phy provider.
  */
 void devm_of_phy_provider_unregister(struct device *dev,
-	struct phy_provider *phy_provider)
+				     struct phy_provider *phy_provider)
 {
 	int r;
 
-	r = devres_destroy(dev, devm_phy_provider_release, devm_phy_match,
-		phy_provider);
+	r = devres_release(dev, devm_phy_provider_release, devm_phy_match,
+			   phy_provider);
 	dev_WARN_ONCE(dev, r, "couldn't find PHY provider device resource\n");
 }
 EXPORT_SYMBOL_GPL(devm_of_phy_provider_unregister);

drivers/phy/qualcomm/phy-qcom-qmp-usb.c

···
 	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
 	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
 	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
-	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0a),
 	QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL1, 0x54),
 	QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x0f),
 	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),

drivers/phy/rockchip/phy-rockchip-naneng-combphy.c

···
 
 	priv->ext_refclk = device_property_present(dev, "rockchip,ext-refclk");
 
-	priv->phy_rst = devm_reset_control_array_get_exclusive(dev);
+	priv->phy_rst = devm_reset_control_get(dev, "phy");
 	if (IS_ERR(priv->phy_rst))
 		return dev_err_probe(dev, PTR_ERR(priv->phy_rst), "failed to get phy reset\n");
 

drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c

···
 		return dev_err_probe(dev, PTR_ERR(hdptx->grf),
 				     "Could not get GRF syscon\n");
 
+	platform_set_drvdata(pdev, hdptx);
+
 	ret = devm_pm_runtime_enable(dev);
 	if (ret)
 		return dev_err_probe(dev, ret, "Failed to enable runtime PM\n");
···
 		return dev_err_probe(dev, PTR_ERR(hdptx->phy),
 				     "Failed to create HDMI PHY\n");
 
-	platform_set_drvdata(pdev, hdptx);
 	phy_set_drvdata(hdptx->phy, hdptx);
 	phy_set_bus_width(hdptx->phy, 8);
 

drivers/phy/st/phy-stm32-combophy.c

···
 	u32 max_vswing = imp_lookup[imp_size - 1].vswing[vswing_size - 1];
 	u32 min_vswing = imp_lookup[0].vswing[0];
 	u32 val;
+	u32 regval;
 
 	if (!of_property_read_u32(combophy->dev->of_node, "st,output-micro-ohms", &val)) {
 		if (val < min_imp || val > max_imp) {
···
 			return -EINVAL;
 		}
 
-		for (imp_of = 0; imp_of < ARRAY_SIZE(imp_lookup); imp_of++)
-			if (imp_lookup[imp_of].microohm <= val)
+		regval = 0;
+		for (imp_of = 0; imp_of < ARRAY_SIZE(imp_lookup); imp_of++) {
+			if (imp_lookup[imp_of].microohm <= val) {
+				regval = FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_OHM, imp_of);
 				break;
+			}
+		}
 
 		dev_dbg(combophy->dev, "Set %u micro-ohms output impedance\n",
 			imp_lookup[imp_of].microohm);
 
 		regmap_update_bits(combophy->regmap, SYSCFG_PCIEPRGCR,
 				   STM32MP25_PCIEPRG_IMPCTRL_OHM,
-				   FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_OHM, imp_of));
+				   regval);
 	} else {
 		regmap_read(combophy->regmap, SYSCFG_PCIEPRGCR, &val);
 		imp_of = FIELD_GET(STM32MP25_PCIEPRG_IMPCTRL_OHM, val);
···
 			return -EINVAL;
 		}
 
-		for (vswing_of = 0; vswing_of < ARRAY_SIZE(imp_lookup[imp_of].vswing); vswing_of++)
-			if (imp_lookup[imp_of].vswing[vswing_of] >= val)
+		regval = 0;
+		for (vswing_of = 0; vswing_of < ARRAY_SIZE(imp_lookup[imp_of].vswing); vswing_of++) {
+			if (imp_lookup[imp_of].vswing[vswing_of] >= val) {
+				regval = FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_VSWING, vswing_of);
 				break;
+			}
+		}
 
 		dev_dbg(combophy->dev, "Set %u microvolt swing\n",
 			 imp_lookup[imp_of].vswing[vswing_of]);
 
 		regmap_update_bits(combophy->regmap, SYSCFG_PCIEPRGCR,
 				   STM32MP25_PCIEPRG_IMPCTRL_VSWING,
-				   FIELD_PREP(STM32MP25_PCIEPRG_IMPCTRL_VSWING, vswing_of));
+				   regval);
 	}
 
 	return 0;

drivers/pinctrl/pinctrl-mcp23s08.c

···
 	.num_reg_defaults = ARRAY_SIZE(mcp23x08_defaults),
 	.cache_type = REGCACHE_FLAT,
 	.max_register = MCP_OLAT,
+	.disable_locking = true, /* mcp->lock protects the regmap */
 };
 EXPORT_SYMBOL_GPL(mcp23x08_regmap);
 
···
 	.num_reg_defaults = ARRAY_SIZE(mcp23x17_defaults),
 	.cache_type = REGCACHE_FLAT,
 	.val_format_endian = REGMAP_ENDIAN_LITTLE,
+	.disable_locking = true, /* mcp->lock protects the regmap */
 };
 EXPORT_SYMBOL_GPL(mcp23x17_regmap);
 
···
 
 	switch (param) {
 	case PIN_CONFIG_BIAS_PULL_UP:
+		mutex_lock(&mcp->lock);
 		ret = mcp_read(mcp, MCP_GPPU, &data);
+		mutex_unlock(&mcp->lock);
 		if (ret < 0)
 			return ret;
 		status = (data & BIT(pin)) ? 1 : 0;
···
 
 		switch (param) {
 		case PIN_CONFIG_BIAS_PULL_UP:
+			mutex_lock(&mcp->lock);
 			ret = mcp_set_bit(mcp, MCP_GPPU, pin, arg);
+			mutex_unlock(&mcp->lock);
 			break;
 		default:
 			dev_dbg(mcp->dev, "Invalid config param %04x\n", param);

drivers/platform/chrome/cros_ec_lpc.c

···
 		/* Framework Laptop (12th Gen Intel Core) */
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "12th Gen Intel Core"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Laptop (12th Gen Intel Core)"),
 		},
 		.driver_data = (void *)&framework_laptop_mec_lpc_driver_data,
 	},
···
 		/* Framework Laptop (13th Gen Intel Core) */
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "13th Gen Intel Core"),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Laptop (13th Gen Intel Core)"),
 		},
 		.driver_data = (void *)&framework_laptop_mec_lpc_driver_data,
 	},

drivers/platform/loongarch/Kconfig

···
 
 config LOONGSON_LAPTOP
 	tristate "Generic Loongson-3 Laptop Driver"
-	depends on ACPI
+	depends on ACPI_EC
 	depends on BACKLIGHT_CLASS_DEVICE
 	depends on INPUT
 	depends on MACH_LOONGSON64

drivers/platform/x86/amd/pmc/pmc.c

···
 {
 	struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
 
+	/*
+	 * Must be called only from the same set of dev_pm_ops handlers
+	 * as i8042_pm_suspend() is called: currently just from .suspend.
+	 */
 	if (pdev->disable_8042_wakeup && !disable_workarounds) {
 		int rc = amd_pmc_wa_irq1(pdev);
 
···
 	return 0;
 }
 
-static DEFINE_SIMPLE_DEV_PM_OPS(amd_pmc_pm, amd_pmc_suspend_handler, NULL);
+static const struct dev_pm_ops amd_pmc_pm = {
+	.suspend = amd_pmc_suspend_handler,
+};
 
 static const struct pci_device_id pmc_pci_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, AMD_CPU_ID_PS) },

drivers/platform/x86/dell/alienware-wmi.c

···
 };
 
 static struct quirk_entry quirk_g_series = {
-	.num_zones = 2,
+	.num_zones = 0,
 	.hdmi_mux = 0,
 	.amplifier = 0,
 	.deepslp = 0,
···
 };
 
 static struct quirk_entry quirk_x_series = {
-	.num_zones = 2,
+	.num_zones = 0,
 	.hdmi_mux = 0,
 	.amplifier = 0,
 	.deepslp = 0,
···
 			DMI_MATCH(DMI_PRODUCT_NAME, "ASM201"),
 		},
 		.driver_data = &quirk_asm201,
+	},
+	{
+		.callback = dmi_matched,
+		.ident = "Alienware m16 R1 AMD",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m16 R1 AMD"),
+		},
+		.driver_data = &quirk_x_series,
 	},
 	{
 		.callback = dmi_matched,
···
 static void alienware_zone_exit(struct platform_device *dev)
 {
 	u8 zone;
+
+	if (!quirks->num_zones)
+		return;
 
 	sysfs_remove_group(&dev->dev.kobj, &zone_attribute_group);
 	led_classdev_unregister(&global_led);
···
 			goto fail_prep_thermal_profile;
 	}
 
-	ret = alienware_zone_init(platform_device);
-	if (ret)
-		goto fail_prep_zones;
+	if (quirks->num_zones > 0) {
+		ret = alienware_zone_init(platform_device);
+		if (ret)
+			goto fail_prep_zones;
+	}
 
 	return 0;
 

drivers/platform/x86/hp/hp-wmi.c

···
 	"874A", "8603", "8604", "8748", "886B", "886C", "878A", "878B", "878C",
 	"88C8", "88CB", "8786", "8787", "8788", "88D1", "88D2", "88F4", "88FD",
 	"88F5", "88F6", "88F7", "88FE", "88FF", "8900", "8901", "8902", "8912",
-	"8917", "8918", "8949", "894A", "89EB", "8BAD", "8A42"
+	"8917", "8918", "8949", "894A", "89EB", "8BAD", "8A42", "8A15"
 };
 
 /* DMI Board names of Omen laptops that are specifically set to be thermal
···
  * "balanced" when reaching zero.
  */
 static const char * const omen_timed_thermal_profile_boards[] = {
-	"8BAD", "8A42"
+	"8BAD", "8A42", "8A15"
 };
 
 /* DMI Board names of Victus laptops */

drivers/platform/x86/intel/ifs/core.c

···
 	X86_MATCH(INTEL_GRANITERAPIDS_X, ARRAY_GEN0),
 	X86_MATCH(INTEL_GRANITERAPIDS_D, ARRAY_GEN0),
 	X86_MATCH(INTEL_ATOM_CRESTMONT_X, ARRAY_GEN1),
+	X86_MATCH(INTEL_ATOM_DARKMONT_X, ARRAY_GEN1),
 	{}
 };
 MODULE_DEVICE_TABLE(x86cpu, ifs_cpu_ids);

drivers/platform/x86/intel/pmc/core_ssram.c

···
 		/*
 		 * The secondary PMC BARS (which are behind hidden PCI devices)
 		 * are read from fixed offsets in MMIO of the primary PMC BAR.
+		 * If a device is not present, the value will be 0.
 		 */
 		ssram_base = get_base(tmp_ssram, offset);
+		if (!ssram_base)
+			return 0;
+
 		ssram = ioremap(ssram_base, SSRAM_HDR_SIZE);
 		if (!ssram)
 			return -ENOMEM;

drivers/platform/x86/intel/speed_select_if/isst_if_common.c

···
 static const struct x86_cpu_id isst_cpu_ids[] = {
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT,	SST_HPM_SUPPORTED),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X,	SST_HPM_SUPPORTED),
+	X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X,	SST_HPM_SUPPORTED),
 	X86_MATCH_VFM(INTEL_EMERALDRAPIDS_X,	0),
 	X86_MATCH_VFM(INTEL_GRANITERAPIDS_D,	SST_HPM_SUPPORTED),
 	X86_MATCH_VFM(INTEL_GRANITERAPIDS_X,	SST_HPM_SUPPORTED),

drivers/platform/x86/intel/tpmi_power_domains.c

···
 	X86_MATCH_VFM(INTEL_GRANITERAPIDS_X,	NULL),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT_X,	NULL),
 	X86_MATCH_VFM(INTEL_ATOM_CRESTMONT,	NULL),
+	X86_MATCH_VFM(INTEL_ATOM_DARKMONT_X,	NULL),
 	X86_MATCH_VFM(INTEL_GRANITERAPIDS_D,	NULL),
 	X86_MATCH_VFM(INTEL_PANTHERCOVE_X,	NULL),
 	{}

drivers/platform/x86/intel/vsec.c

···
 #define PCI_DEVICE_ID_INTEL_VSEC_RPL		0xa77d
 #define PCI_DEVICE_ID_INTEL_VSEC_TGL		0x9a0d
 #define PCI_DEVICE_ID_INTEL_VSEC_LNL_M		0x647d
+#define PCI_DEVICE_ID_INTEL_VSEC_PTL		0xb07d
 static const struct pci_device_id intel_vsec_pci_ids[] = {
 	{ PCI_DEVICE_DATA(INTEL, VSEC_ADL, &tgl_info) },
 	{ PCI_DEVICE_DATA(INTEL, VSEC_DG1, &dg1_info) },
···
 	{ PCI_DEVICE_DATA(INTEL, VSEC_RPL, &tgl_info) },
 	{ PCI_DEVICE_DATA(INTEL, VSEC_TGL, &tgl_info) },
 	{ PCI_DEVICE_DATA(INTEL, VSEC_LNL_M, &lnl_info) },
+	{ PCI_DEVICE_DATA(INTEL, VSEC_PTL, &mtl_info) },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, intel_vsec_pci_ids);

drivers/platform/x86/mlx-platform.c

···
 fail_pci_request_regions:
 	pci_disable_device(pci_dev);
 fail_pci_enable_device:
+	pci_dev_put(pci_dev);
 	return err;
 }
 
···
 	iounmap(pci_bridge_addr);
 	pci_release_regions(pci_bridge);
 	pci_disable_device(pci_bridge);
+	pci_dev_put(pci_bridge);
 }
 
 static int

drivers/platform/x86/p2sb.c

···
 };
 
 static struct p2sb_res_cache p2sb_resources[NR_P2SB_RES_CACHE];
+static bool p2sb_hidden_by_bios;
 
 static void p2sb_get_devfn(unsigned int *devfn)
 {
···
 
 static int p2sb_scan_and_cache(struct pci_bus *bus, unsigned int devfn)
 {
+	/*
+	 * The BIOS prevents the P2SB device from being enumerated by the PCI
+	 * subsystem, so we need to unhide and hide it back to lookup the BAR.
+	 */
+	pci_bus_write_config_dword(bus, devfn, P2SBC, 0);
+
 	/* Scan the P2SB device and cache its BAR0 */
 	p2sb_scan_and_cache_devfn(bus, devfn);
 
 	/* On Goldmont p2sb_bar() also gets called for the SPI controller */
 	if (devfn == P2SB_DEVFN_GOLDMONT)
 		p2sb_scan_and_cache_devfn(bus, SPI_DEVFN_GOLDMONT);
+
+	pci_bus_write_config_dword(bus, devfn, P2SBC, P2SBC_HIDE);
 
 	if (!p2sb_valid_resource(&p2sb_resources[PCI_FUNC(devfn)].res))
 		return -ENOENT;
···
 	u32 value = P2SBC_HIDE;
 	struct pci_bus *bus;
 	u16 class;
-	int ret;
+	int ret = 0;
 
 	/* Get devfn for P2SB device itself */
 	p2sb_get_devfn(&devfn_p2sb);
···
 	 */
 	pci_lock_rescan_remove();
 
-	/*
-	 * The BIOS prevents the P2SB device from being enumerated by the PCI
-	 * subsystem, so we need to unhide and hide it back to lookup the BAR.
-	 * Unhide the P2SB device here, if needed.
-	 */
 	pci_bus_read_config_dword(bus, devfn_p2sb, P2SBC, &value);
-	if (value & P2SBC_HIDE)
-		pci_bus_write_config_dword(bus, devfn_p2sb, P2SBC, 0);
+	p2sb_hidden_by_bios = value & P2SBC_HIDE;
 
-	ret = p2sb_scan_and_cache(bus, devfn_p2sb);
-
-	/* Hide the P2SB device, if it was hidden */
-	if (value & P2SBC_HIDE)
-		pci_bus_write_config_dword(bus, devfn_p2sb, P2SBC, P2SBC_HIDE);
+	/*
+	 * If the BIOS does not hide the P2SB device then its resources
+	 * are accesilble. Cache them only if the P2SB device is hidden.
+	 */
+	if (p2sb_hidden_by_bios)
+		ret = p2sb_scan_and_cache(bus, devfn_p2sb);
 
 	pci_unlock_rescan_remove();
+
+	return ret;
+}
+
+static int p2sb_read_from_cache(struct pci_bus *bus, unsigned int devfn,
+				struct resource *mem)
+{
+	struct p2sb_res_cache *cache = &p2sb_resources[PCI_FUNC(devfn)];
+
+	if (cache->bus_dev_id != bus->dev.id)
+		return -ENODEV;
+
+	if (!p2sb_valid_resource(&cache->res))
+		return -ENOENT;
+
+	memcpy(mem, &cache->res, sizeof(*mem));
+
+	return 0;
+}
+
+static int p2sb_read_from_dev(struct pci_bus *bus, unsigned int devfn,
+			      struct resource *mem)
+{
+	struct pci_dev *pdev;
+	int ret = 0;
+
+	pdev = pci_get_slot(bus, devfn);
+	if (!pdev)
+		return -ENODEV;
+
+	if (p2sb_valid_resource(pci_resource_n(pdev, 0)))
+		p2sb_read_bar0(pdev, mem);
+	else
+		ret = -ENOENT;
+
+	pci_dev_put(pdev);
 
 	return ret;
 }
···
  */
 int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
 {
-	struct p2sb_res_cache *cache;
-
 	bus = p2sb_get_bus(bus);
 	if (!bus)
 		return -ENODEV;
···
 	if (!devfn)
 		p2sb_get_devfn(&devfn);
 
-	cache = &p2sb_resources[PCI_FUNC(devfn)];
-	if (cache->bus_dev_id != bus->dev.id)
-		return -ENODEV;
+	if (p2sb_hidden_by_bios)
+		return p2sb_read_from_cache(bus, devfn, mem);
 
-	if (!p2sb_valid_resource(&cache->res))
-		return -ENOENT;
-
-	memcpy(mem, &cache->res, sizeof(*mem));
-	return 0;
+	return p2sb_read_from_dev(bus, devfn, mem);
 }
 EXPORT_SYMBOL_GPL(p2sb_bar);
 

drivers/platform/x86/thinkpad_acpi.c

···
 						   */
 	TP_HKEY_EV_AMT_TOGGLE		= 0x131a, /* Toggle AMT on/off */
 	TP_HKEY_EV_DOUBLETAP_TOGGLE	= 0x131c, /* Toggle trackpoint doubletap on/off */
-	TP_HKEY_EV_PROFILE_TOGGLE	= 0x131f, /* Toggle platform profile */
+	TP_HKEY_EV_PROFILE_TOGGLE	= 0x131f, /* Toggle platform profile in 2024 systems */
+	TP_HKEY_EV_PROFILE_TOGGLE2	= 0x1401, /* Toggle platform profile in 2025 + systems */
 
 	/* Reasons for waking up from S3/S4 */
 	TP_HKEY_EV_WKUP_S3_UNDOCK	= 0x2304, /* undock requested, S3 */
···
 		tp_features.trackpoint_doubletap = !tp_features.trackpoint_doubletap;
 		return true;
 	case TP_HKEY_EV_PROFILE_TOGGLE:
+	case TP_HKEY_EV_PROFILE_TOGGLE2:
 		platform_profile_cycle();
 		return true;
 	}

drivers/platform/x86/touchscreen_dmi.c

···
 	.properties = rwc_nanote_next_props,
 };
 
+static const struct property_entry sary_tab_3_props[] = {
+	PROPERTY_ENTRY_U32("touchscreen-size-x", 1730),
+	PROPERTY_ENTRY_U32("touchscreen-size-y", 1151),
+	PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
+	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
+	PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
+	PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-sary-tab-3.fw"),
+	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+	PROPERTY_ENTRY_BOOL("silead,home-button"),
+	{ }
+};
+
+static const struct ts_dmi_data sary_tab_3_data = {
+	.acpi_name	= "MSSL1680:00",
+	.properties	= sary_tab_3_props,
+};
+
 static const struct property_entry schneider_sct101ctm_props[] = {
 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1715),
 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
···
 			DMI_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."),
 			/* Above matches are too generic, add bios-version match */
 			DMI_MATCH(DMI_BIOS_VERSION, "S8A70R100-V005"),
+		},
+	},
+	{
+		/* SARY Tab 3 */
+		.driver_data = (void *)&sary_tab_3_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "SARY"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C210C"),
+			DMI_MATCH(DMI_PRODUCT_SKU, "TAB3"),
 		},
 	},
 	{

drivers/pmdomain/core.c

···
 	return 0;
 }
 
+static void genpd_provider_release(struct device *dev)
+{
+	/* nothing to be done here */
+}
+
 static int genpd_alloc_data(struct generic_pm_domain *genpd)
 {
 	struct genpd_governor_data *gd = NULL;
···
 
 	genpd->gd = gd;
 	device_initialize(&genpd->dev);
+	genpd->dev.release = genpd_provider_release;
 
 	if (!genpd_is_dev_name_fw(genpd)) {
 		dev_set_name(&genpd->dev, "%s", genpd->name);

drivers/pmdomain/imx/gpcv2.c

···
 		.max_register   = SZ_4K,
 	};
 	struct device *dev = &pdev->dev;
-	struct device_node *pgc_np;
+	struct device_node *pgc_np __free(device_node) =
+		of_get_child_by_name(dev->of_node, "pgc");
 	struct regmap *regmap;
 	void __iomem *base;
 	int ret;
 
-	pgc_np = of_get_child_by_name(dev->of_node, "pgc");
 	if (!pgc_np) {
 		dev_err(dev, "No power domains specified in DT\n");
 		return -EINVAL;

drivers/power/supply/bq24190_charger.c

···
 
 static int bq24296_set_otg_vbus(struct bq24190_dev_info *bdi, bool enable)
 {
+	union power_supply_propval val = { .intval = bdi->charge_type };
 	int ret;
 
 	ret = pm_runtime_resume_and_get(bdi->dev);
···
 
 		ret = bq24190_write_mask(bdi, BQ24190_REG_POC,
 					 BQ24296_REG_POC_OTG_CONFIG_MASK,
-					 BQ24296_REG_POC_CHG_CONFIG_SHIFT,
+					 BQ24296_REG_POC_OTG_CONFIG_SHIFT,
 					 BQ24296_REG_POC_OTG_CONFIG_OTG);
-	} else
+	} else {
 		ret = bq24190_write_mask(bdi, BQ24190_REG_POC,
 					 BQ24296_REG_POC_OTG_CONFIG_MASK,
-					 BQ24296_REG_POC_CHG_CONFIG_SHIFT,
+					 BQ24296_REG_POC_OTG_CONFIG_SHIFT,
 					 BQ24296_REG_POC_OTG_CONFIG_DISABLE);
+		if (ret < 0)
+			goto out;
+
+		ret = bq24190_charger_set_charge_type(bdi, &val);
+	}
 
 out:
 	pm_runtime_mark_last_busy(bdi->dev);

drivers/power/supply/cros_charge-control.c

···
 #include <acpi/battery.h>
 #include <linux/container_of.h>
 #include <linux/dmi.h>
+#include <linux/lockdep.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/platform_data/cros_ec_commands.h>
 #include <linux/platform_data/cros_ec_proto.h>
 #include <linux/platform_device.h>
···
 	struct attribute *attributes[_CROS_CHCTL_ATTR_COUNT];
 	struct attribute_group group;
 
+	struct mutex lock; /* protects fields below and cros_ec */
 	enum power_supply_charge_behaviour current_behaviour;
 	u8 current_start_threshold, current_end_threshold;
 };
···
 static int cros_chctl_configure_ec(struct cros_chctl_priv *priv)
 {
 	struct ec_params_charge_control req = {};
+
+	lockdep_assert_held(&priv->lock);
 
 	req.cmd = EC_CHARGE_CONTROL_CMD_SET;
 
···
 		return -EINVAL;
 
 	if (is_end_threshold) {
-		if (val <= priv->current_start_threshold)
+		/* Start threshold is not exposed, use fixed value */
+		if (priv->cmd_version == 2)
+			priv->current_start_threshold = val == 100 ? 0 : val;
+
+		if (val < priv->current_start_threshold)
 			return -EINVAL;
 		priv->current_end_threshold = val;
 	} else {
-		if (val >= priv->current_end_threshold)
+		if (val > priv->current_end_threshold)
 			return -EINVAL;
 		priv->current_start_threshold = val;
 	}
···
 	struct cros_chctl_priv *priv = cros_chctl_attr_to_priv(&attr->attr,
 							       CROS_CHCTL_ATTR_START_THRESHOLD);
 
+	guard(mutex)(&priv->lock);
 	return sysfs_emit(buf, "%u\n", (unsigned int)priv->current_start_threshold);
 }
 
···
 	struct cros_chctl_priv *priv = cros_chctl_attr_to_priv(&attr->attr,
 							       CROS_CHCTL_ATTR_START_THRESHOLD);
 
+	guard(mutex)(&priv->lock);
 	return cros_chctl_store_threshold(dev, priv, 0, buf, count);
 }
 
···
 	struct cros_chctl_priv *priv = cros_chctl_attr_to_priv(&attr->attr,
 							       CROS_CHCTL_ATTR_END_THRESHOLD);
 
+	guard(mutex)(&priv->lock);
 	return sysfs_emit(buf, "%u\n", (unsigned int)priv->current_end_threshold);
 }
 
···
 	struct cros_chctl_priv *priv = cros_chctl_attr_to_priv(&attr->attr,
 							       CROS_CHCTL_ATTR_END_THRESHOLD);
 
+	guard(mutex)(&priv->lock);
 	return cros_chctl_store_threshold(dev, priv, 1, buf, count);
 }
 
···
 	struct cros_chctl_priv *priv = cros_chctl_attr_to_priv(&attr->attr,
 							       CROS_CHCTL_ATTR_CHARGE_BEHAVIOUR);
 
+	guard(mutex)(&priv->lock);
 	return power_supply_charge_behaviour_show(dev, EC_CHARGE_CONTROL_BEHAVIOURS,
 						  priv->current_behaviour, buf);
 }
···
 	if (ret < 0)
 		return ret;
 
+	guard(mutex)(&priv->lock);
 	priv->current_behaviour = ret;
 
 	ret = cros_chctl_configure_ec(priv);
···
 {
 	struct cros_chctl_priv *priv = cros_chctl_attr_to_priv(attr, n);
 
-	if (priv->cmd_version < 2) {
-		if (n == CROS_CHCTL_ATTR_START_THRESHOLD)
-			return 0;
-		if (n == CROS_CHCTL_ATTR_END_THRESHOLD)
-			return 0;
-	}
+	if (n == CROS_CHCTL_ATTR_START_THRESHOLD && priv->cmd_version < 3)
+		return 0;
+	else if (n == CROS_CHCTL_ATTR_END_THRESHOLD && priv->cmd_version < 2)
+		return 0;
 
 	return attr->mode;
 }
···
 	if (!priv)
 		return -ENOMEM;
 
+	ret = devm_mutex_init(dev, &priv->lock);
+	if (ret)
+		return ret;
+
 	ret = cros_ec_get_cmd_versions(cros_ec, EC_CMD_CHARGE_CONTROL);
 	if (ret < 0)
 		return ret;
···
 	priv->current_end_threshold = 100;
 
 	/* Bring EC into well-known state */
-	ret = cros_chctl_configure_ec(priv);
+	scoped_guard(mutex, &priv->lock)
+		ret = cros_chctl_configure_ec(priv);
 	if (ret < 0)
 		return ret;
 

drivers/power/supply/gpio-charger.c

···
 		if (gpio_charger->current_limit_map[i].limit_ua <= val)
 			break;
 	}
+
+	/*
+	 * If a valid charge current limit isn't found, default to smallest
+	 * current limitation for safety reasons.
+	 */
+	if (i >= gpio_charger->current_limit_map_size)
+		i = gpio_charger->current_limit_map_size - 1;
+
 	mapping = gpio_charger->current_limit_map[i];
 
 	for (i = 0; i < ndescs; i++) {

drivers/pwm/pwm-stm32.c

···
 
 	wfhw->ccer = TIM_CCER_CCxE(ch + 1);
 	if (priv->have_complementary_output)
-		wfhw->ccer = TIM_CCER_CCxNE(ch + 1);
+		wfhw->ccer |= TIM_CCER_CCxNE(ch + 1);
 
 	rate = clk_get_rate(priv->clk);
 

drivers/regulator/of_regulator.c

···
 	if (!ret)
 		constraints->enable_time = pval;
 
-	ret = of_property_read_u32(np, "regulator-uv-survival-time-ms", &pval);
+	ret = of_property_read_u32(np, "regulator-uv-less-critical-window-ms", &pval);
 	if (!ret)
 		constraints->uv_less_critical_window_ms = pval;
 	else

drivers/spi/spi-rockchip-sfc.c

···
 	bool use_dma;
 	u32 max_iosize;
 	u16 version;
+	struct spi_controller *host;
 };
 
 static int rockchip_sfc_reset(struct rockchip_sfc *sfc)
···
 
 	sfc = spi_controller_get_devdata(host);
 	sfc->dev = dev;
+	sfc->host = host;
 
 	sfc->regbase = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sfc->regbase))
···
 
 static void rockchip_sfc_remove(struct platform_device *pdev)
 {
-	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct rockchip_sfc *sfc = platform_get_drvdata(pdev);
+	struct spi_controller *host = sfc->host;
 
 	spi_unregister_controller(host);
 

drivers/staging/fbtft/Kconfig

···
 	tristate "Support for small TFT LCD display modules"
 	depends on FB && SPI
 	depends on FB_DEVICE
+	depends on BACKLIGHT_CLASS_DEVICE
 	depends on GPIOLIB || COMPILE_TEST
 	select FB_BACKLIGHT
 	select FB_SYSMEM_HELPERS_DEFERRED

drivers/staging/gpib/Kconfig

···
 	depends on ISA_BUS || PCI || PCMCIA
 	depends on HAS_IOPORT
 	depends on !X86_PAE
+	depends on PCMCIA || !PCMCIA
+	depends on HAS_IOPORT_MAP
 	select GPIB_COMMON
 	select GPIB_NEC7210
 	help
···
 	depends on HAS_IOPORT
 	depends on ISA_BUS || PCI || PCMCIA
 	depends on !X86_PAE
+	depends on PCMCIA || !PCMCIA
        select GPIB_COMMON
 	select GPIB_NEC7210
        help
···
 config GPIB_INES
        tristate "INES"
 	depends on PCI || ISA_BUS || PCMCIA
+	depends on PCMCIA || !PCMCIA
 	depends on HAS_IOPORT
 	depends on !X86_PAE
        select GPIB_COMMON
···
 	  called cb7210.
 
 config GPIB_PCMCIA
-       bool "PCMCIA/Cardbus support for NI MC and Ines boards"
-       depends on PCCARD && (GPIB_NI_PCI_ISA || GPIB_CB7210 || GPIB_INES)
+       def_bool y
+       depends on PCMCIA && (GPIB_NI_PCI_ISA || GPIB_CB7210 || GPIB_INES)
        help
          Enable PCMCIA/CArdbus support for National Instruments,
 	 measurement computing boards and Ines boards.

drivers/staging/gpib/agilent_82350b/Makefile

···
 
-obj-m += agilent_82350b.o
+obj-$(CONFIG_GPIB_AGILENT_82350B) += agilent_82350b.o

drivers/staging/gpib/agilent_82350b/agilent_82350b.c

···
 							     GPIB_82350A_REGION));
 		dev_dbg(board->gpib_dev, "%s: gpib base address remapped to 0x%p\n",
 			driver_name, a_priv->gpib_base);
-		tms_priv->iobase = a_priv->gpib_base + TMS9914_BASE_REG;
+		tms_priv->mmiobase = a_priv->gpib_base + TMS9914_BASE_REG;
 		a_priv->sram_base = ioremap(pci_resource_start(a_priv->pci_device,
 							       SRAM_82350A_REGION),
 					    pci_resource_len(a_priv->pci_device,
···
 					    pci_resource_len(a_priv->pci_device, GPIB_REGION));
 		dev_dbg(board->gpib_dev, "%s: gpib base address remapped to 0x%p\n",
 			driver_name, a_priv->gpib_base);
-		tms_priv->iobase = a_priv->gpib_base + TMS9914_BASE_REG;
+		tms_priv->mmiobase = a_priv->gpib_base + TMS9914_BASE_REG;
 		a_priv->sram_base = ioremap(pci_resource_start(a_priv->pci_device, SRAM_REGION),
 					    pci_resource_len(a_priv->pci_device, SRAM_REGION));
 		dev_dbg(board->gpib_dev, "%s: sram base address remapped to 0x%p\n",

drivers/staging/gpib/agilent_82357a/Makefile

···
 
-obj-m += agilent_82357a.o
+obj-$(CONFIG_GPIB_AGILENT_82357A) += agilent_82357a.o
 
 

drivers/staging/gpib/cb7210/Makefile

···
 ccflags-$(CONFIG_GPIB_PCMCIA) := -DGPIB_PCMCIA
-obj-m += cb7210.o
+obj-$(CONFIG_GPIB_CB7210) += cb7210.o
 
 

drivers/staging/gpib/cb7210/cb7210.c

···
 	switch (cb_priv->pci_chip) {
 	case PCI_CHIP_AMCC_S5933:
 		cb_priv->amcc_iobase = pci_resource_start(cb_priv->pci_device, 0);
-		nec_priv->iobase = (void *)(pci_resource_start(cb_priv->pci_device, 1));
+		nec_priv->iobase = pci_resource_start(cb_priv->pci_device, 1);
 		cb_priv->fifo_iobase = pci_resource_start(cb_priv->pci_device, 2);
 		break;
 	case PCI_CHIP_QUANCOM:
-		nec_priv->iobase = (void *)(pci_resource_start(cb_priv->pci_device, 0));
-		cb_priv->fifo_iobase = (unsigned long)nec_priv->iobase;
+		nec_priv->iobase = pci_resource_start(cb_priv->pci_device, 0);
+		cb_priv->fifo_iobase = nec_priv->iobase;
 		break;
 	default:
 		pr_err("cb7210: bug! unhandled pci_chip=%i\n", cb_priv->pci_chip);
···
 		return retval;
 	cb_priv = board->private_data;
 	nec_priv = &cb_priv->nec7210_priv;
-	if (request_region((unsigned long)config->ibbase, cb7210_iosize, "cb7210") == 0) {
-		pr_err("gpib: ioports starting at 0x%p are already in use\n", config->ibbase);
+	if (request_region(config->ibbase, cb7210_iosize, "cb7210") == 0) {
+		pr_err("gpib: ioports starting at 0x%u are already in use\n", config->ibbase);
 		return -EIO;
 	}
 	nec_priv->iobase = config->ibbase;
···
 		       (unsigned long)curr_dev->resource[0]->start);
 		return -EIO;
 	}
-	nec_priv->iobase = (void *)(unsigned long)curr_dev->resource[0]->start;
+	nec_priv->iobase = curr_dev->resource[0]->start;
 	cb_priv->fifo_iobase = curr_dev->resource[0]->start;
 
 	if (request_irq(curr_dev->irq, cb7210_interrupt, IRQF_SHARED,

drivers/staging/gpib/cb7210/cb7210.h

···
 	HS_STATUS = 0x8,	/* HS_STATUS register */
 };
 
-static inline unsigned long nec7210_iobase(const struct cb7210_priv *cb_priv)
+static inline u32 nec7210_iobase(const struct cb7210_priv *cb_priv)
 {
-	return (unsigned long)(cb_priv->nec7210_priv.iobase);
+	return cb_priv->nec7210_priv.iobase;
 }
 
 static inline int cb7210_page_in_bits(unsigned int page)

drivers/staging/gpib/cec/Makefile

···
 
-obj-m += cec_gpib.o
+obj-$(CONFIG_GPIB_CEC_PCI) += cec_gpib.o
 

drivers/staging/gpib/cec/cec_gpib.c

···
 
 	cec_priv->plx_iobase = pci_resource_start(cec_priv->pci_device, 1);
 	pr_info(" plx9050 base address 0x%lx\n", cec_priv->plx_iobase);
-	nec_priv->iobase = (void *)(pci_resource_start(cec_priv->pci_device, 3));
-	pr_info(" nec7210 base address 0x%p\n", nec_priv->iobase);
+	nec_priv->iobase = pci_resource_start(cec_priv->pci_device, 3);
+	pr_info(" nec7210 base address 0x%x\n", nec_priv->iobase);
 
 	isr_flags |= IRQF_SHARED;
 	if (request_irq(cec_priv->pci_device->irq, cec_interrupt, isr_flags, "pci-gpib", board)) {

drivers/staging/gpib/common/Makefile

···
 
-obj-m += gpib_common.o
+obj-$(CONFIG_GPIB_COMMON) += gpib_common.o
 
 gpib_common-objs := gpib_os.o iblib.o
 

drivers/staging/gpib/common/gpib_os.c

···
 	return 0;
 }
 
-void writeb_wrapper(unsigned int value, void *address)
-{
-	writeb(value, address);
-};
-EXPORT_SYMBOL(writeb_wrapper);
-
-void writew_wrapper(unsigned int value, void *address)
-{
-	writew(value, address);
-};
-EXPORT_SYMBOL(writew_wrapper);
-
-unsigned int readb_wrapper(void *address)
-{
-	return readb(address);
-};
-EXPORT_SYMBOL(readb_wrapper);
-
-unsigned int readw_wrapper(void *address)
-{
-	return readw(address);
-};
-EXPORT_SYMBOL(readw_wrapper);
-
-#ifdef CONFIG_HAS_IOPORT
-void outb_wrapper(unsigned int value, void *address)
-{
-	outb(value, (unsigned long)(address));
-};
-EXPORT_SYMBOL(outb_wrapper);
-
-void outw_wrapper(unsigned int value, void *address)
-{
-	outw(value, (unsigned long)(address));
-};
-EXPORT_SYMBOL(outw_wrapper);
-
-unsigned int inb_wrapper(void *address)
-{
-	return inb((unsigned long)(address));
-};
-EXPORT_SYMBOL(inb_wrapper);
-
-unsigned int inw_wrapper(void *address)
-{
-	return inw((unsigned long)(address));
-};
-EXPORT_SYMBOL(inw_wrapper);
-#endif
-
 /* this is a function instead of a constant because of Suse
  * defining HZ to be a function call to get_hz()
  */
···
 		return -1;
 	}
 
-	if (pad > MAX_GPIB_PRIMARY_ADDRESS || sad > MAX_GPIB_SECONDARY_ADDRESS) {
+	if (pad > MAX_GPIB_PRIMARY_ADDRESS || sad > MAX_GPIB_SECONDARY_ADDRESS || sad < -1) {
 		pr_err("gpib: bad address for serial poll");
 		return -1;
 	}
···
 
 	if (WARN_ON_ONCE(sizeof(void *) > sizeof(base_addr)))
 		return -EFAULT;
-	config->ibbase = (void *)(unsigned long)(base_addr);
+	config->ibbase = base_addr;
 
 	return 0;
 }

drivers/staging/gpib/eastwood/Makefile

···
 
-obj-m += fluke_gpib.o
+obj-$(CONFIG_GPIB_FLUKE) += fluke_gpib.o
 

drivers/staging/gpib/eastwood/fluke_gpib.c

···
 	}
 	e_priv->gpib_iomem_res = res;
 
-	nec_priv->iobase = ioremap(e_priv->gpib_iomem_res->start,
+	nec_priv->mmiobase = ioremap(e_priv->gpib_iomem_res->start,
 				   resource_size(e_priv->gpib_iomem_res));
-	pr_info("gpib: iobase %lx remapped to %p, length=%d\n",
-		(unsigned long)e_priv->gpib_iomem_res->start,
-		nec_priv->iobase, (int)resource_size(e_priv->gpib_iomem_res));
-	if (!nec_priv->iobase) {
+	pr_info("gpib: mmiobase %llx remapped to %p, length=%d\n",
+		(u64)e_priv->gpib_iomem_res->start,
+		nec_priv->mmiobase, (int)resource_size(e_priv->gpib_iomem_res));
+	if (!nec_priv->mmiobase) {
 		dev_err(&fluke_gpib_pdev->dev, "Could not map I/O memory\n");
 		return -ENOMEM;
 	}
···
 		gpib_free_pseudo_irq(board);
 		nec_priv = &e_priv->nec7210_priv;
 
-		if (nec_priv->iobase) {
+		if (nec_priv->mmiobase) {
 			fluke_paged_write_byte(e_priv, 0, ISR0_IMR0, ISR0_IMR0_PAGE);
 			nec7210_board_reset(nec_priv, board);
 		}

drivers/staging/gpib/eastwood/fluke_gpib.h

···
 {
 	u8 retval;
 
-	retval = readl(nec_priv->iobase + register_num * nec_priv->offset);
+	retval = readl(nec_priv->mmiobase + register_num * nec_priv->offset);
 	return retval;
 }
 
···
 static inline void fluke_write_byte_nolock(struct nec7210_priv *nec_priv, uint8_t data,
 					   int register_num)
 {
-	writel(data, nec_priv->iobase + register_num * nec_priv->offset);
+	writel(data, nec_priv->mmiobase + register_num * nec_priv->offset);
 }
 
 static inline uint8_t fluke_paged_read_byte(struct fluke_priv *e_priv,

drivers/staging/gpib/fmh_gpib/fmh_gpib.c

···
 #include <linux/slab.h>
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("GPIB Driver for fmh_gpib_core");
+MODULE_AUTHOR("Frank Mori Hess <[e-mail]>");
 
 static irqreturn_t fmh_gpib_interrupt(int irq, void *arg);
 static int fmh_gpib_attach_holdoff_all(gpib_board_t *board, const gpib_board_config_t *config);
···
 	}
 	e_priv->gpib_iomem_res = res;
 
-	nec_priv->iobase = ioremap(e_priv->gpib_iomem_res->start,
+	nec_priv->mmiobase = ioremap(e_priv->gpib_iomem_res->start,
 				   resource_size(e_priv->gpib_iomem_res));
-	if (!nec_priv->iobase) {
+	if (!nec_priv->mmiobase) {
 		dev_err(board->dev, "Could not map I/O memory for gpib\n");
 		return -ENOMEM;
 	}
-	dev_info(board->dev, "iobase 0x%lx remapped to %p, length=%ld\n",
-		 (unsigned long)e_priv->gpib_iomem_res->start,
-		 nec_priv->iobase, (unsigned long)resource_size(e_priv->gpib_iomem_res));
+	dev_info(board->dev, "iobase %pr remapped to %p\n",
+		 e_priv->gpib_iomem_res, nec_priv->mmiobase);
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dma_fifos");
 	if (!res) {
···
 			free_irq(e_priv->irq, board);
 		if (e_priv->fifo_base)
 			fifos_write(e_priv, 0, FIFO_CONTROL_STATUS_REG);
-		if (nec_priv->iobase) {
+		if (nec_priv->mmiobase) {
 			write_byte(nec_priv, 0, ISR0_IMR0_REG);
 			nec7210_board_reset(nec_priv, board);
 		}
 		if (e_priv->fifo_base)
 			iounmap(e_priv->fifo_base);
-		if (nec_priv->iobase)
-			iounmap(nec_priv->iobase);
+		if (nec_priv->mmiobase)
+			iounmap(nec_priv->mmiobase);
 		if (e_priv->dma_port_res) {
 			release_mem_region(e_priv->dma_port_res->start,
 					   resource_size(e_priv->dma_port_res));
···
 	e_priv->gpib_iomem_res = &pci_device->resource[gpib_control_status_pci_resource_index];
 	e_priv->dma_port_res =  &pci_device->resource[gpib_fifo_pci_resource_index];
 
-	nec_priv->iobase = ioremap(pci_resource_start(pci_device,
+	nec_priv->mmiobase = ioremap(pci_resource_start(pci_device,
 						      gpib_control_status_pci_resource_index),
 				   pci_resource_len(pci_device,
 						    gpib_control_status_pci_resource_index));
 	dev_info(board->dev, "base address for gpib control/status registers remapped to 0x%p\n",
-		 nec_priv->iobase);
+		 nec_priv->mmiobase);
 
 	if (e_priv->dma_port_res->flags & IORESOURCE_MEM) {
 		e_priv->fifo_base = ioremap(pci_resource_start(pci_device,
···
 			free_irq(e_priv->irq, board);
 		if (e_priv->fifo_base)
 			fifos_write(e_priv, 0, FIFO_CONTROL_STATUS_REG);
-		if (nec_priv->iobase) {
+		if (nec_priv->mmiobase) {
 			write_byte(nec_priv, 0, ISR0_IMR0_REG);
 			nec7210_board_reset(nec_priv, board);
 		}
 		if (e_priv->fifo_base)
 			iounmap(e_priv->fifo_base);
-		if (nec_priv->iobase)
-			iounmap(nec_priv->iobase);
+		if (nec_priv->mmiobase)
+			iounmap(nec_priv->mmiobase);
 		if (e_priv->dma_port_res || e_priv->gpib_iomem_res)
 			pci_release_regions(to_pci_dev(board->dev));
 		if (board->dev)

drivers/staging/gpib/fmh_gpib/fmh_gpib.h

···
 static inline uint8_t gpib_cs_read_byte(struct nec7210_priv *nec_priv,
 					unsigned int register_num)
 {
-	return readb(nec_priv->iobase + register_num * nec_priv->offset);
+	return readb(nec_priv->mmiobase + register_num * nec_priv->offset);
 }
 
 static inline void gpib_cs_write_byte(struct nec7210_priv *nec_priv, uint8_t data,
 				      unsigned int register_num)
 {
-	writeb(data, nec_priv->iobase + register_num * nec_priv->offset);
+	writeb(data, nec_priv->mmiobase + register_num * nec_priv->offset);
 }
 
 static inline uint16_t fifos_read(struct fmh_priv *fmh_priv, int register_num)

drivers/staging/gpib/gpio/Makefile

···
 
-obj-m += gpib_bitbang.o
+obj-$(CONFIG_GPIB_GPIO) += gpib_bitbang.o
 
 

drivers/staging/gpib/gpio/gpib_bitbang.c

···
 	enum listener_function_state listener_state;
 };
 
-inline long usec_diff(struct timespec64 *a, struct timespec64 *b);
+static inline long usec_diff(struct timespec64 *a, struct timespec64 *b);
 static void bb_buffer_print(unsigned char *buffer, size_t length, int cmd, int eoi);
 static void set_data_lines(u8 byte);
 static u8 get_data_lines(void);

drivers/staging/gpib/hp_82335/Makefile

···
 
-obj-m += hp82335.o
+obj-$(CONFIG_GPIB_HP82335) += hp82335.o
 
 

drivers/staging/gpib/hp_82335/hp82335.c

···
  */
 
 #include "hp82335.h"
+#include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/module.h>
···
 {
 	struct tms9914_priv *tms_priv = &hp_priv->tms9914_priv;
 
-	writeb(0, tms_priv->iobase + HPREG_INTR_CLEAR);
+	writeb(0, tms_priv->mmiobase + HPREG_INTR_CLEAR);
 }
 
 int hp82335_attach(gpib_board_t *board, const gpib_board_config_t *config)
···
 	struct hp82335_priv *hp_priv;
 	struct tms9914_priv *tms_priv;
 	int retval;
-	const unsigned long upper_iomem_base = (unsigned long)config->ibbase + hp82335_rom_size;
+	const unsigned long upper_iomem_base = config->ibbase + hp82335_rom_size;
 
 	board->status = 0;
 
···
 	tms_priv->write_byte = hp82335_write_byte;
 	tms_priv->offset = 1;
 
-	switch ((unsigned long)(config->ibbase)) {
+	switch (config->ibbase) {
 	case 0xc4000:
 	case 0xc8000:
 	case 0xcc000:
···
 	case 0xfc000:
 		break;
 	default:
-		pr_err("hp82335: invalid base io address 0x%p\n", config->ibbase);
+		pr_err("hp82335: invalid base io address 0x%u\n", config->ibbase);
 		return -EINVAL;
 	}
 	if (!request_mem_region(upper_iomem_base, hp82335_upper_iomem_size, "hp82335")) {
···
 		return -EBUSY;
 	}
 	hp_priv->raw_iobase = upper_iomem_base;
-	tms_priv->iobase = ioremap(upper_iomem_base, hp82335_upper_iomem_size);
+	tms_priv->mmiobase = ioremap(upper_iomem_base, hp82335_upper_iomem_size);
 	pr_info("hp82335: upper half of 82335 iomem region 0x%lx remapped to 0x%p\n",
-		hp_priv->raw_iobase, tms_priv->iobase);
+		hp_priv->raw_iobase, tms_priv->mmiobase);
 
 	retval = request_irq(config->ibirq, hp82335_interrupt, 0, "hp82335", board);
 	if (retval) {
···
 
 	hp82335_clear_interrupt(hp_priv);
 
-	writeb(INTR_ENABLE, tms_priv->iobase + HPREG_CCR);
+	writeb(INTR_ENABLE, tms_priv->mmiobase + HPREG_CCR);
 
 	tms9914_online(board, tms_priv);
 
···
 		tms_priv = &hp_priv->tms9914_priv;
 		if (hp_priv->irq)
 			free_irq(hp_priv->irq, board);
-		if (tms_priv->iobase) {
-			writeb(0, tms_priv->iobase + HPREG_CCR);
+		if (tms_priv->mmiobase) {
+			writeb(0, tms_priv->mmiobase + HPREG_CCR);
 			tms9914_board_reset(tms_priv);
-			iounmap((void *)tms_priv->iobase);
+			iounmap(tms_priv->mmiobase);
 		}
 		if (hp_priv->raw_iobase)
 			release_mem_region(hp_priv->raw_iobase, hp82335_upper_iomem_size);

drivers/staging/gpib/hp_82341/Makefile

···
 
-obj-m += hp_82341.o
+obj-$(CONFIG_GPIB_HP82341) += hp_82341.o

drivers/staging/gpib/hp_82341/hp_82341.c

···
 
 static uint8_t hp_82341_read_byte(struct tms9914_priv *priv, unsigned int register_num)
 {
-	return inb((unsigned long)(priv->iobase) + register_num);
+	return inb(priv->iobase + register_num);
 }
 
 static void hp_82341_write_byte(struct tms9914_priv *priv, uint8_t data, unsigned int register_num)
 {
-	outb(data, (unsigned long)(priv->iobase) + register_num);
+	outb(data, priv->iobase + register_num);
 }
 
 static int hp_82341_find_isapnp_board(struct pnp_dev **dev)
···
 {
 	struct hp_82341_priv *hp_priv;
 	struct tms9914_priv *tms_priv;
-	unsigned long start_addr;
-	void *iobase;
+	u32 start_addr;
+	u32 iobase;
 	int irq;
 	int i;
 	int retval;
···
 		if (retval < 0)
 			return retval;
 		hp_priv->pnp_dev = dev;
-		iobase = (void *)(pnp_port_start(dev, 0));
+		iobase = pnp_port_start(dev, 0);
 		irq = pnp_irq(dev, 0);
 		hp_priv->hw_version = HW_VERSION_82341D;
 		hp_priv->io_region_offset = 0x8;
···
 		hp_priv->hw_version = HW_VERSION_82341C;
 		hp_priv->io_region_offset = 0x400;
 	}
-	pr_info("hp_82341: base io 0x%p\n", iobase);
+	pr_info("hp_82341: base io 0x%u\n", iobase);
 	for (i = 0; i < hp_82341_num_io_regions; ++i) {
-		start_addr = (unsigned long)(iobase) + i * hp_priv->io_region_offset;
+		start_addr = iobase + i * hp_priv->io_region_offset;
 		if (!request_region(start_addr, hp_82341_region_iosize, "hp_82341")) {
 			pr_err("hp_82341: failed to allocate io ports 0x%lx-0x%lx\n",
 			       start_addr,
···
 		}
 		hp_priv->iobase[i] = start_addr;
 	}
-	tms_priv->iobase = (void *)(hp_priv->iobase[2]);
+	tms_priv->iobase = hp_priv->iobase[2];
 	if (hp_priv->hw_version == HW_VERSION_82341D) {
 		retval = isapnp_cfg_begin(hp_priv->pnp_dev->card->number,
 					  hp_priv->pnp_dev->number);

drivers/staging/gpib/include/gpibP.h

···
 
 #include <linux/fs.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 
 void gpib_register_driver(gpib_interface_t *interface, struct module *mod);
 void gpib_unregister_driver(gpib_interface_t *interface);
···
 extern gpib_board_t board_array[GPIB_MAX_NUM_BOARDS];
 
 extern struct list_head registered_drivers;
-
-#include <linux/io.h>
-
-void writeb_wrapper(unsigned int value, void *address);
-unsigned int readb_wrapper(void *address);
-void outb_wrapper(unsigned int value, void *address);
-unsigned int inb_wrapper(void *address);
-void writew_wrapper(unsigned int value, void *address);
-unsigned int readw_wrapper(void *address);
-void outw_wrapper(unsigned int value, void *address);
-unsigned int inw_wrapper(void *address);
 
 #endif	// _GPIB_P_H
 

drivers/staging/gpib/include/gpib_types.h

···
 	void *init_data;
 	int init_data_length;
 	/* IO base address to use for non-pnp cards (set by core, driver should make local copy) */
-	void *ibbase;
+	u32 ibbase;
+	void __iomem *mmibbase;
 	/* IRQ to use for non-pnp cards (set by core, driver should make local copy) */
 	unsigned int ibirq;
 	/* dma channel to use for non-pnp cards (set by core, driver should make local copy) */

drivers/staging/gpib/include/nec7210.h

···
 
 /* struct used to provide variables local to a nec7210 chip */
 struct nec7210_priv {
-	void *iobase;
+#ifdef CONFIG_HAS_IOPORT
+	u32 iobase;
+#endif
+	void __iomem *mmiobase;
 	unsigned int offset;	// offset between successive nec7210 io addresses
 	unsigned int dma_channel;
 	u8 *dma_buffer;

drivers/staging/gpib/include/tms9914.h

···
 
 /* struct used to provide variables local to a tms9914 chip */
 struct tms9914_priv {
-	void *iobase;
+#ifdef CONFIG_HAS_IOPORT
+	u32 iobase;
+#endif
+	void __iomem *mmiobase;
 	unsigned int offset;	// offset between successive tms9914 io addresses
 	unsigned int dma_channel;
 	// software copy of bits written to interrupt mask registers

drivers/staging/gpib/ines/Makefile

···
 ccflags-$(CONFIG_GPIB_PCMCIA) := -DGPIB_PCMCIA
-obj-m += ines_gpib.o
+obj-$(CONFIG_GPIB_INES) += ines_gpib.o
 
 

drivers/staging/gpib/ines/ines.h

···
 /* inb/outb wrappers */
 static inline unsigned int ines_inb(struct ines_priv *priv, unsigned int register_number)
 {
-	return inb((unsigned long)(priv->nec7210_priv.iobase) +
+	return inb(priv->nec7210_priv.iobase +
 		   register_number * priv->nec7210_priv.offset);
 }
 
 static inline void ines_outb(struct ines_priv *priv, unsigned int value,
 			     unsigned int register_number)
 {
-	outb(value, (unsigned long)(priv->nec7210_priv.iobase) +
+	outb(value, priv->nec7210_priv.iobase +
 	     register_number * priv->nec7210_priv.offset);
 }
 

drivers/staging/gpib/ines/ines_gpib.c

···
 	struct nec7210_priv *nec_priv = &priv->nec7210_priv;
 
 	if (priv->pci_chip_type == PCI_CHIP_QUANCOM) {
-		if ((inb((unsigned long)nec_priv->iobase +
+		if ((inb(nec_priv->iobase +
 			 QUANCOM_IRQ_CONTROL_STATUS_REG) &
 		     QUANCOM_IRQ_ASSERTED_BIT))
-			outb(QUANCOM_IRQ_ENABLE_BIT, (unsigned long)(nec_priv->iobase) +
+			outb(QUANCOM_IRQ_ENABLE_BIT, nec_priv->iobase +
 			     QUANCOM_IRQ_CONTROL_STATUS_REG);
 	}
 
···
 
 	if (pci_request_regions(ines_priv->pci_device, "ines-gpib"))
 		return -1;
-	nec_priv->iobase = (void *)(pci_resource_start(ines_priv->pci_device,
-						       found_id.gpib_region));
+	nec_priv->iobase = pci_resource_start(ines_priv->pci_device,
+					      found_id.gpib_region);
 
 	ines_priv->pci_chip_type = found_id.pci_chip_type;
 	nec_priv->offset = found_id.io_offset;
···
 	}
 	break;
 	case PCI_CHIP_QUANCOM:
-		outb(QUANCOM_IRQ_ENABLE_BIT, (unsigned long)(nec_priv->iobase) +
+		outb(QUANCOM_IRQ_ENABLE_BIT, nec_priv->iobase +
 		     QUANCOM_IRQ_CONTROL_STATUS_REG);
 		break;
 	case PCI_CHIP_QUICKLOGIC5030:
···
 	ines_priv = board->private_data;
 	nec_priv = &ines_priv->nec7210_priv;
 
-	if (!request_region((unsigned long)config->ibbase, ines_isa_iosize, "ines_gpib")) {
-		pr_err("ines_gpib: ioports at 0x%p already in use\n", config->ibbase);
+	if (!request_region(config->ibbase, ines_isa_iosize, "ines_gpib")) {
+		pr_err("ines_gpib: ioports at 0x%x already in use\n", config->ibbase);
 		return -1;
 	}
 	nec_priv->iobase = config->ibbase;
···
 				break;
 			case PCI_CHIP_QUANCOM:
 				if (nec_priv->iobase)
-					outb(0, (unsigned long)(nec_priv->iobase) +
+					outb(0, nec_priv->iobase +
 					     QUANCOM_IRQ_CONTROL_STATUS_REG);
 				break;
 			default:
···
 			free_irq(ines_priv->irq, board);
 		if (nec_priv->iobase) {
 			nec7210_board_reset(nec_priv, board);
-			release_region((unsigned long)(nec_priv->iobase), ines_isa_iosize);
+			release_region(nec_priv->iobase, ines_isa_iosize);
 		}
 	}
 	ines_free_private(board);
···
 		return -1;
 	}
 
-	nec_priv->iobase = (void *)(unsigned long)curr_dev->resource[0]->start;
+	nec_priv->iobase = curr_dev->resource[0]->start;
 
 	nec7210_board_reset(nec_priv, board);
 
···
 			free_irq(ines_priv->irq, board);
 		if (nec_priv->iobase) {
 			nec7210_board_reset(nec_priv, board);
-			release_region((unsigned long)(nec_priv->iobase), ines_pcmcia_iosize);
+			release_region(nec_priv->iobase, ines_pcmcia_iosize);
 		}
 	}
 	ines_free_private(board);

drivers/staging/gpib/lpvo_usb_gpib/Makefile

···
 
-obj-m += lpvo_usb_gpib.o
+obj-$(CONFIG_GPIB_LPVO) += lpvo_usb_gpib.o
 

drivers/staging/gpib/lpvo_usb_gpib/lpvo_usb_gpib.c

···
 #define USB_GPIB_DEBUG_ON    "\nIBDE\xAA\n"
 #define USB_GPIB_SET_LISTEN  "\nIBDT0\n"
 #define USB_GPIB_SET_TALK    "\nIBDT1\n"
-#define USB_GPIB_SET_LINES   "\nIBDC\n"
-#define USB_GPIB_SET_DATA    "\nIBDM\n"
+#define USB_GPIB_SET_LINES   "\nIBDC.\n"
+#define USB_GPIB_SET_DATA    "\nIBDM.\n"
 #define USB_GPIB_READ_LINES  "\nIBD?C\n"
 #define USB_GPIB_READ_DATA   "\nIBD?M\n"
 #define USB_GPIB_READ_BUS    "\nIBD??\n"
···
  *		 (unix time in sec and NANOsec)
  */
 
-inline int usec_diff(struct timespec64 *a, struct timespec64 *b)
+static inline int usec_diff(struct timespec64 *a, struct timespec64 *b)
 {
 	return ((a->tv_sec - b->tv_sec) * 1000000 +
 		(a->tv_nsec - b->tv_nsec) / 1000);
···
 static int usb_gpib_attach(gpib_board_t *board, const gpib_board_config_t *config)
 {
 	int retval, j;
-	int base = (long)config->ibbase;
+	u32 base = config->ibbase;
 	char *device_path;
 	int match;
 	struct usb_device *udev;
···
 			    size_t *bytes_written)
 {
 	int i, retval;
-	char command[6] = "IBc\n";
+	char command[6] = "IBc.\n";
 
 	DIA_LOG(1, "enter %p\n", board);
 
···
 }
 
 /**
- * disable_eos() - Disable END on eos byte (END on EOI only)
+ * usb_gpib_disable_eos() - Disable END on eos byte (END on EOI only)
  *
  * @board:    the gpib_board data area for this gpib interface
  *
···
 }
 
 /**
- * enable_eos() - Enable END for reads when eos byte is received.
+ * usb_gpib_enable_eos() - Enable END for reads when eos byte is received.
  *
  * @board:    the gpib_board data area for this gpib interface
  * @eos_byte: the 'eos' byte
···
 }
 
 /**
- * go_to_standby() - De-assert ATN
+ * usb_gpib_go_to_standby() - De-assert ATN
  *
  * @board:    the gpib_board data area for this gpib interface
  */
···
 }
 
 /**
- * interface_clear() - Assert or de-assert IFC
+ * usb_gpib_interface_clear() - Assert or de-assert IFC
  *
  * @board:    the gpib_board data area for this gpib interface
  * assert:    1: assert IFC;  0: de-assert IFC

drivers/staging/gpib/nec7210/Makefile

···
 
-obj-m += nec7210.o
+obj-$(CONFIG_GPIB_NEC7210) += nec7210.o
 
 

drivers/staging/gpib/nec7210/nec7210.c

···
 /* wrappers for io */
 uint8_t nec7210_ioport_read_byte(struct nec7210_priv *priv, unsigned int register_num)
 {
-	return inb((unsigned long)(priv->iobase) + register_num * priv->offset);
+	return inb(priv->iobase + register_num * priv->offset);
 }
 EXPORT_SYMBOL(nec7210_ioport_read_byte);
 
···
 		 */
 		nec7210_locking_ioport_write_byte(priv, data, register_num);
 	else
-		outb(data, (unsigned long)(priv->iobase) + register_num * priv->offset);
+		outb(data, priv->iobase + register_num * priv->offset);
 }
 EXPORT_SYMBOL(nec7210_ioport_write_byte);
 
···
 	unsigned long flags;
 
 	spin_lock_irqsave(&priv->register_page_lock, flags);
-	retval = inb((unsigned long)(priv->iobase) + register_num * priv->offset);
+	retval = inb(priv->iobase + register_num * priv->offset);
 	spin_unlock_irqrestore(&priv->register_page_lock, flags);
 	return retval;
 }
···
 	spin_lock_irqsave(&priv->register_page_lock, flags);
 	if (register_num == AUXMR)
 		udelay(1);
-	outb(data, (unsigned long)(priv->iobase) + register_num * priv->offset);
+	outb(data, priv->iobase + register_num * priv->offset);
 	spin_unlock_irqrestore(&priv->register_page_lock, flags);
 }
 EXPORT_SYMBOL(nec7210_locking_ioport_write_byte);
···
 
 uint8_t nec7210_iomem_read_byte(struct nec7210_priv *priv, unsigned int register_num)
 {
-	return readb(priv->iobase + register_num * priv->offset);
+	return readb(priv->mmiobase + register_num * priv->offset);
 }
 EXPORT_SYMBOL(nec7210_iomem_read_byte);
 
···
 		 */
 		nec7210_locking_iomem_write_byte(priv, data, register_num);
 	else
-		writeb(data, priv->iobase + register_num * priv->offset);
+		writeb(data, priv->mmiobase + register_num * priv->offset);
 }
 EXPORT_SYMBOL(nec7210_iomem_write_byte);
 
···
 	unsigned long flags;
 
 	spin_lock_irqsave(&priv->register_page_lock, flags);
-	retval = readb(priv->iobase + register_num * priv->offset);
+	retval = readb(priv->mmiobase + register_num * priv->offset);
 	spin_unlock_irqrestore(&priv->register_page_lock, flags);
 	return retval;
 }
···
 	spin_lock_irqsave(&priv->register_page_lock, flags);
 	if (register_num == AUXMR)
 		udelay(1);
-	writeb(data, priv->iobase + register_num * priv->offset);
+	writeb(data, priv->mmiobase + register_num * priv->offset);
 	spin_unlock_irqrestore(&priv->register_page_lock, flags);
 }
 EXPORT_SYMBOL(nec7210_locking_iomem_write_byte);

drivers/staging/gpib/ni_usb/Makefile

···
 
-obj-m += ni_usb_gpib.o
+obj-$(CONFIG_GPIB_NI_USB) += ni_usb_gpib.o
 
 

drivers/staging/gpib/pc2/Makefile

···
 
-obj-m += pc2_gpib.o
+obj-$(CONFIG_GPIB_PC2) += pc2_gpib.o
 
 
 

drivers/staging/gpib/pc2/pc2_gpib.c

···
 	nec_priv = &pc2_priv->nec7210_priv;
 	nec_priv->offset = pc2_reg_offset;
 
-	if (request_region((unsigned long)config->ibbase, pc2_iosize, "pc2") == 0) {
+	if (request_region(config->ibbase, pc2_iosize, "pc2") == 0) {
 		pr_err("gpib: ioports are already in use\n");
 		return -1;
 	}
···
 			free_irq(pc2_priv->irq, board);
 		if (nec_priv->iobase) {
 			nec7210_board_reset(nec_priv, board);
-			release_region((unsigned long)(nec_priv->iobase), pc2_iosize);
+			release_region(nec_priv->iobase, pc2_iosize);
 		}
 		if (nec_priv->dma_buffer) {
 			dma_free_coherent(board->dev, nec_priv->dma_buffer_length,
···
 	nec_priv = &pc2_priv->nec7210_priv;
 	nec_priv->offset = pc2a_reg_offset;
 
-	switch ((unsigned long)(config->ibbase)) {
+	switch (config->ibbase) {
 	case 0x02e1:
 	case 0x22e1:
 	case 0x42e1:
 	case 0x62e1:
 		break;
 	default:
-		pr_err("PCIIa base range invalid, must be one of 0x[0246]2e1, but is 0x%p\n",
+		pr_err("PCIIa base range invalid, must be one of 0x[0246]2e1, but is 0x%d\n",
 		       config->ibbase);
 		return -1;
 	}
···
 	unsigned int err = 0;
 
 	for (i = 0; i < num_registers; i++) {
-		if (check_region((unsigned long)config->ibbase + i * pc2a_reg_offset, 1))
+		if (check_region(config->ibbase + i * pc2a_reg_offset, 1))
 			err++;
 	}
 	if (config->ibirq && check_region(pc2a_clear_intr_iobase + config->ibirq, 1))
···
 	}
 #endif
 	for (i = 0; i < num_registers; i++) {
-		if (!request_region((unsigned long)config->ibbase +
+		if (!request_region(config->ibbase +
 					i * pc2a_reg_offset, 1, "pc2a")) {
 			pr_err("gpib: ioports are already in use");
 			for (j = 0; j < i; j++)
-				release_region((unsigned long)(config->ibbase) +
+				release_region(config->ibbase +
 					j * pc2a_reg_offset, 1);
 			return -1;
 		}
···
 		if (nec_priv->iobase) {
 			nec7210_board_reset(nec_priv, board);
 			for (i = 0; i < num_registers; i++)
-				release_region((unsigned long)nec_priv->iobase +
+				release_region(nec_priv->iobase +
 					       i * pc2a_reg_offset, 1);
 		}
 		if (pc2_priv->clear_intr_addr)

drivers/staging/gpib/tms9914/Makefile

···
 
-obj-m += tms9914.o
+obj-$(CONFIG_GPIB_TMS9914) += tms9914.o
 
 
 

drivers/staging/gpib/tms9914/tms9914.c

···
 // wrapper for inb
 uint8_t tms9914_ioport_read_byte(struct tms9914_priv *priv, unsigned int register_num)
 {
-	return inb((unsigned long)(priv->iobase) + register_num * priv->offset);
+	return inb(priv->iobase + register_num * priv->offset);
 }
 EXPORT_SYMBOL_GPL(tms9914_ioport_read_byte);
 
 // wrapper for outb
 void tms9914_ioport_write_byte(struct tms9914_priv *priv, uint8_t data, unsigned int register_num)
 {
-	outb(data, (unsigned long)(priv->iobase) + register_num * priv->offset);
+	outb(data, priv->iobase + register_num * priv->offset);
 	if (register_num == AUXCR)
 		udelay(1);
 }
···
 // wrapper for readb
 uint8_t tms9914_iomem_read_byte(struct tms9914_priv *priv, unsigned int register_num)
 {
-	return readb(priv->iobase + register_num * priv->offset);
+	return readb(priv->mmiobase + register_num * priv->offset);
 }
 EXPORT_SYMBOL_GPL(tms9914_iomem_read_byte);
 
 // wrapper for writeb
 void tms9914_iomem_write_byte(struct tms9914_priv *priv, uint8_t data, unsigned int register_num)
 {
-	writeb(data, priv->iobase + register_num * priv->offset);
+	writeb(data, priv->mmiobase + register_num * priv->offset);
 	if (register_num == AUXCR)
 		udelay(1);
 }

drivers/staging/gpib/tnt4882/Makefile

···
 ccflags-$(CONFIG_GPIB_PCMCIA) := -DGPIB_PCMCIA
-obj-m += tnt4882.o
+obj-$(CONFIG_GPIB_NI_PCI_ISA) += tnt4882.o
 
 tnt4882-objs := tnt4882_gpib.o mite.o
 

drivers/staging/gpib/tnt4882/mite.c

···
 	}
 	pr_info("\n");
 }
-
-int mite_bytes_transferred(struct mite_struct *mite, int chan)
-{
-	int dar, fcr;
-
-	dar = readl(mite->mite_io_addr + MITE_DAR + CHAN_OFFSET(chan));
-	fcr = readl(mite->mite_io_addr + MITE_FCR + CHAN_OFFSET(chan)) & 0x000000FF;
-	return dar - fcr;
-}
-
-int mite_dma_tcr(struct mite_struct *mite)
-{
-	int tcr;
-	int lkar;
-
-	lkar = readl(mite->mite_io_addr + CHAN_OFFSET(0) + MITE_LKAR);
-	tcr = readl(mite->mite_io_addr + CHAN_OFFSET(0) + MITE_TCR);
-	MDPRINTK("lkar=0x%08x tcr=%d\n", lkar, tcr);
-
-	return tcr;
-}
-
-void mite_dma_disarm(struct mite_struct *mite)
-{
-	int chor;
-
-	/* disarm */
-	chor = CHOR_ABORT;
-	writel(chor, mite->mite_io_addr + CHAN_OFFSET(0) + MITE_CHOR);
-}
-
-void mite_dump_regs(struct mite_struct *mite)
-{
-	void *addr = 0;
-	unsigned long temp = 0;
-
-	pr_info("mite address is  =0x%p\n", mite->mite_io_addr);
-
-	addr = mite->mite_io_addr + MITE_CHOR + CHAN_OFFSET(0);
-	pr_info("mite status[CHOR]at 0x%p =0x%08lx\n", addr, temp = readl(addr));
-	//mite_decode(mite_CHOR_strings,temp);
-	addr = mite->mite_io_addr + MITE_CHCR + CHAN_OFFSET(0);
-	pr_info("mite status[CHCR]at 0x%p =0x%08lx\n", addr, temp = readl(addr));
-	//mite_decode(mite_CHCR_strings,temp);
-	addr = mite->mite_io_addr + MITE_TCR + CHAN_OFFSET(0);
-	pr_info("mite status[TCR] at 0x%p =0x%08x\n", addr, readl(addr));
-	addr = mite->mite_io_addr + MITE_MCR + CHAN_OFFSET(0);
-	pr_info("mite status[MCR] at 0x%p =0x%08lx\n", addr, temp = readl(addr));
-	//mite_decode(mite_MCR_strings,temp);
-	addr = mite->mite_io_addr + MITE_MAR + CHAN_OFFSET(0);
-	pr_info("mite status[MAR] at 0x%p =0x%08x\n", addr, readl(addr));
-	addr = mite->mite_io_addr + MITE_DCR + CHAN_OFFSET(0);
-	pr_info("mite status[DCR] at 0x%p =0x%08lx\n", addr, temp = readl(addr));
-	//mite_decode(mite_CR_strings,temp);
-	addr = mite->mite_io_addr + MITE_DAR + CHAN_OFFSET(0);
-	pr_info("mite status[DAR] at 0x%p =0x%08x\n", addr, readl(addr));
-	addr = mite->mite_io_addr + MITE_LKCR + CHAN_OFFSET(0);
-	pr_info("mite status[LKCR]at 0x%p =0x%08lx\n", addr, temp = readl(addr));
-	//mite_decode(mite_CR_strings,temp);
-	addr = mite->mite_io_addr + MITE_LKAR + CHAN_OFFSET(0);
-	pr_info("mite status[LKAR]at 0x%p =0x%08x\n", addr, readl(addr));
-
-	addr = mite->mite_io_addr + MITE_CHSR + CHAN_OFFSET(0);
-	pr_info("mite status[CHSR]at 0x%p =0x%08lx\n", addr, temp = readl(addr));
-	//mite_decode(mite_CHSR_strings,temp);
-	addr = mite->mite_io_addr + MITE_FCR + CHAN_OFFSET(0);
-	pr_info("mite status[FCR] at 0x%p =0x%08x\n\n", addr, readl(addr));
-}
-

drivers/staging/gpib/tnt4882/mite.h

···
 
 	struct pci_dev *pcidev;
 	unsigned long mite_phys_addr;
-	void *mite_io_addr;
+	void __iomem *mite_io_addr;
 	unsigned long daq_phys_addr;
-	void *daq_io_addr;
+	void __iomem *daq_io_addr;
 
 	int DMA_CheckNearEnd;
 
···
 int mite_setup(struct mite_struct *mite);
 void mite_unsetup(struct mite_struct *mite);
 void mite_list_devices(void);
-
-int mite_dma_tcr(struct mite_struct *mite);
-
-void mite_dma_arm(struct mite_struct *mite);
-void mite_dma_disarm(struct mite_struct *mite);
-
-void mite_dump_regs(struct mite_struct *mite);
-void mite_setregs(struct mite_struct *mite, unsigned long ll_start, int chan, int dir);
-int mite_bytes_transferred(struct mite_struct *mite, int chan);
 
 #define CHAN_OFFSET(x)			(0x100 * (x))
 

drivers/staging/gpib/tnt4882/tnt4882_gpib.c

···
 	unsigned short imr0_bits;
 	unsigned short imr3_bits;
 	unsigned short auxg_bits;	// bits written to auxiliary register G
-	void (*io_writeb)(unsigned int value, void *address);
-	void (*io_writew)(unsigned int value, void *address);
-	unsigned int (*io_readb)(void *address);
-	unsigned int (*io_readw)(void *address);
 };
 
 // interface functions
···
 /* paged io */
 static inline unsigned int tnt_paged_readb(struct tnt4882_priv *priv, unsigned long offset)
 {
-	priv->io_writeb(AUX_PAGEIN, priv->nec7210_priv.iobase + AUXMR * priv->nec7210_priv.offset);
+	iowrite8(AUX_PAGEIN, priv->nec7210_priv.mmiobase + AUXMR * priv->nec7210_priv.offset);
 	udelay(1);
-	return priv->io_readb(priv->nec7210_priv.iobase + offset);
+	return ioread8(priv->nec7210_priv.mmiobase + offset);
 }
 
 static inline void tnt_paged_writeb(struct tnt4882_priv *priv, unsigned int value,
 				    unsigned long offset)
 {
-	priv->io_writeb(AUX_PAGEIN, priv->nec7210_priv.iobase + AUXMR * priv->nec7210_priv.offset);
+	iowrite8(AUX_PAGEIN, priv->nec7210_priv.mmiobase + AUXMR * priv->nec7210_priv.offset);
 	udelay(1);
-	priv->io_writeb(value, priv->nec7210_priv.iobase + offset);
+	iowrite8(value, priv->nec7210_priv.mmiobase + offset);
 }
 
 /* readb/writeb wrappers */
 static inline unsigned short tnt_readb(struct tnt4882_priv *priv, unsigned long offset)
 {
-	void *address = priv->nec7210_priv.iobase + offset;
+	void *address = priv->nec7210_priv.mmiobase + offset;
 	unsigned long flags;
 	unsigned short retval;
 	spinlock_t *register_lock = &priv->nec7210_priv.register_page_lock;
···
 		switch (priv->nec7210_priv.type) {
 		case TNT4882:
 		case TNT5004:
-			retval = priv->io_readb(address);
+			retval = ioread8(address);
 			break;
 		case NAT4882:
 			retval = tnt_paged_readb(priv, offset - tnt_pagein_offset);
···
 		}
 		break;
 	default:
-		retval = priv->io_readb(address);
+		retval = ioread8(address);
 		break;
 	}
 	spin_unlock_irqrestore(register_lock, flags);
···
 
 static inline void tnt_writeb(struct tnt4882_priv *priv, unsigned short value, unsigned long offset)
 {
-	void *address = priv->nec7210_priv.iobase + offset;
+	void *address = priv->nec7210_priv.mmiobase + offset;
 	unsigned long flags;
 	spinlock_t *register_lock = &priv->nec7210_priv.register_page_lock;
 
···
 		switch (priv->nec7210_priv.type) {
 		case TNT4882:
 		case TNT5004:
-			priv->io_writeb(value, address);
+			iowrite8(value, address);
 			break;
 		case NAT4882:
 			tnt_paged_writeb(priv, value, offset - tnt_pagein_offset);
···
 		}
 		break;
 	default:
-		priv->io_writeb(value, address);
+		iowrite8(value, address);
 		break;
 	}
 	spin_unlock_irqrestore(register_lock, flags);
···
 	while (fifo_word_available(tnt_priv) && count + 2 <= num_bytes)	{
 		short word;
 
-		word = tnt_priv->io_readw(nec_priv->iobase + FIFOB);
+		word = ioread16(nec_priv->mmiobase + FIFOB);
 		buffer[count++] = word & 0xff;
 		buffer[count++] = (word >> 8) & 0xff;
 	}
···
 			word = buffer[count++] & 0xff;
 			if (count < length)
 				word |= (buffer[count++] << 8) & 0xff00;
-			tnt_priv->io_writew(word, nec_priv->iobase + FIFOB);
+			iowrite16(word, nec_priv->mmiobase + FIFOB);
 		}
 //  avoid unnecessary HR_NFF interrupts
 //		tnt_priv->imr3_bits |= HR_NFF;
···
 	if (tnt4882_allocate_private(board))
 		return -ENOMEM;
 	tnt_priv = board->private_data;
-	tnt_priv->io_writeb = writeb_wrapper;
-	tnt_priv->io_readb = readb_wrapper;
-	tnt_priv->io_writew = writew_wrapper;
-	tnt_priv->io_readw = readw_wrapper;
 	nec_priv = &tnt_priv->nec7210_priv;
 	nec_priv->type = TNT4882;
 	nec_priv->read_byte = nec7210_locking_iomem_read_byte;
···
 		return retval;
 	}
 
-	nec_priv->iobase = tnt_priv->mite->daq_io_addr;
+	nec_priv->mmiobase = tnt_priv->mite->daq_io_addr;
 
 	// get irq
 	if (request_irq(mite_irq(tnt_priv->mite), tnt4882_interrupt, isr_flags,
···
 	if (tnt_priv) {
 		nec_priv = &tnt_priv->nec7210_priv;
 
-		if (nec_priv->iobase)
+		if (nec_priv->mmiobase)
 			tnt4882_board_reset(tnt_priv, board);
 		if (tnt_priv->irq)
 			free_irq(tnt_priv->irq, board);
···
 	struct tnt4882_priv *tnt_priv;
 	struct nec7210_priv *nec_priv;
 	int isr_flags = 0;
-	void *iobase;
+	u32 iobase;
 	int irq;
 
 	board->status = 0;
···
 	if (tnt4882_allocate_private(board))
 		return -ENOMEM;
 	tnt_priv = board->private_data;
-	tnt_priv->io_writeb = outb_wrapper;
-	tnt_priv->io_readb = inb_wrapper;
-	tnt_priv->io_writew = outw_wrapper;
-	tnt_priv->io_readw = inw_wrapper;
 	nec_priv = &tnt_priv->nec7210_priv;
 	nec_priv->type = chipset;
 	nec_priv->read_byte = nec7210_locking_ioport_read_byte;
···
 		if (retval < 0)
 			return retval;
 		tnt_priv->pnp_dev = dev;
-		iobase = (void *)(pnp_port_start(dev, 0));
+		iobase = pnp_port_start(dev, 0);
 		irq = pnp_irq(dev, 0);
 	} else {
 		iobase = config->ibbase;
 		irq = config->ibirq;
 	}
 	// allocate ioports
-	if (!request_region((unsigned long)(iobase), atgpib_iosize, "atgpib")) {
+	if (!request_region(iobase, atgpib_iosize, "atgpib")) {
 		pr_err("tnt4882: failed to allocate ioports\n");
 		return -1;
 	}
-	nec_priv->iobase = iobase;
+	nec_priv->mmiobase = ioport_map(iobase, atgpib_iosize);
+	if (!nec_priv->mmiobase)
+		return -1;
 
 	// get irq
 	if (request_irq(irq, tnt4882_interrupt, isr_flags, "atgpib", board)) {
···
 			tnt4882_board_reset(tnt_priv, board);
 		if (tnt_priv->irq)
 			free_irq(tnt_priv->irq, board);
+		if (nec_priv->mmiobase)
+			ioport_unmap(nec_priv->mmiobase);
 		if (nec_priv->iobase)
-			release_region((unsigned long)(nec_priv->iobase), atgpib_iosize);
+			release_region(nec_priv->iobase, atgpib_iosize);
 		if (tnt_priv->pnp_dev)
 			pnp_device_detach(tnt_priv->pnp_dev);
 	}
···
 	if (tnt4882_allocate_private(board))
 		return -ENOMEM;
 	tnt_priv = board->private_data;
-	tnt_priv->io_writeb = outb_wrapper;
-	tnt_priv->io_readb = inb_wrapper;
-	tnt_priv->io_writew = outw_wrapper;
-	tnt_priv->io_readw = inw_wrapper;
 	nec_priv = &tnt_priv->nec7210_priv;
 	nec_priv->type = TNT4882;
 	nec_priv->read_byte = nec7210_locking_ioport_read_byte;
···
 		return -EIO;
 	}
 
-	nec_priv->iobase = (void *)(unsigned long)curr_dev->resource[0]->start;
+	nec_priv->mmiobase = ioport_map(curr_dev->resource[0]->start,
+					resource_size(curr_dev->resource[0]));
+	if (!nec_priv->mmiobase)
+		return -1;
 
 	// get irq
 	if (request_irq(curr_dev->irq, tnt4882_interrupt, isr_flags, "tnt4882", board))	{
···
 		nec_priv = &tnt_priv->nec7210_priv;
 		if (tnt_priv->irq)
 			free_irq(tnt_priv->irq, board);
+		if (nec_priv->mmiobase)
+			ioport_unmap(nec_priv->mmiobase);
 		if (nec_priv->iobase) {
 			tnt4882_board_reset(tnt_priv, board);
-			release_region((unsigned long)nec_priv->iobase, pcmcia_gpib_iosize);
+			release_region(nec_priv->iobase, pcmcia_gpib_iosize);
 		}
 	}
 	tnt4882_free_private(board);

drivers/staging/iio/frequency/ad9832.c

···
 static int ad9832_write_phase(struct ad9832_state *st,
 			      unsigned long addr, unsigned long phase)
 {
-	if (phase > BIT(AD9832_PHASE_BITS))
+	if (phase >= BIT(AD9832_PHASE_BITS))
 		return -EINVAL;
 
 	st->phase_data[0] = cpu_to_be16((AD9832_CMD_PHA8BITSW << CMD_SHIFT) |

drivers/staging/iio/frequency/ad9834.c

···
 static int ad9834_write_phase(struct ad9834_state *st,
 			      unsigned long addr, unsigned long phase)
 {
-	if (phase > BIT(AD9834_PHASE_BITS))
+	if (phase >= BIT(AD9834_PHASE_BITS))
 		return -EINVAL;
 	st->data = cpu_to_be16(addr | phase);
 

drivers/thermal/thermal_of.c

···
 				return ERR_PTR(ret);
 			}
 
+			of_node_put(sensor_specs.np);
 			if ((sensor == sensor_specs.np) && id == (sensor_specs.args_count ?
 								  sensor_specs.args[0] : 0)) {
 				pr_debug("sensor %pOFn id=%d belongs to %pOFn\n", sensor, id, child);

drivers/thermal/thermal_thresholds.c

···
 	return NULL;
 }
 
-static bool __thermal_threshold_is_crossed(struct user_threshold *threshold, int temperature,
-					   int last_temperature, int direction,
-					   int *low, int *high)
-{
-
-	if (temperature >= threshold->temperature) {
-		if (threshold->temperature > *low &&
-		    THERMAL_THRESHOLD_WAY_DOWN & threshold->direction)
-			*low = threshold->temperature;
-
-		if (last_temperature < threshold->temperature &&
-		    threshold->direction & direction)
-			return true;
-	} else {
-		if (threshold->temperature < *high && THERMAL_THRESHOLD_WAY_UP
-		    & threshold->direction)
-			*high = threshold->temperature;
-
-		if (last_temperature >= threshold->temperature &&
-		    threshold->direction & direction)
-			return true;
-	}
-
-	return false;
-}
-
 static bool thermal_thresholds_handle_raising(struct list_head *thresholds, int temperature,
-					      int last_temperature, int *low, int *high)
+					      int last_temperature)
 {
 	struct user_threshold *t;
 
 	list_for_each_entry(t, thresholds, list_node) {
-		if (__thermal_threshold_is_crossed(t, temperature, last_temperature,
-						   THERMAL_THRESHOLD_WAY_UP, low, high))
+
+		if (!(t->direction & THERMAL_THRESHOLD_WAY_UP))
+		    continue;
+
+		if (temperature >= t->temperature &&
+		    last_temperature < t->temperature)
 			return true;
 	}
 
···
 }
 
 static bool thermal_thresholds_handle_dropping(struct list_head *thresholds, int temperature,
-					       int last_temperature, int *low, int *high)
+					       int last_temperature)
 {
 	struct user_threshold *t;
 
 	list_for_each_entry_reverse(t, thresholds, list_node) {
-		if (__thermal_threshold_is_crossed(t, temperature, last_temperature,
-						   THERMAL_THRESHOLD_WAY_DOWN, low, high))
+
+		if (!(t->direction & THERMAL_THRESHOLD_WAY_DOWN))
+		    continue;
+
+		if (temperature <= t->temperature &&
+		    last_temperature > t->temperature)
 			return true;
 	}
 
 	return false;
+}
+
+static void thermal_threshold_find_boundaries(struct list_head *thresholds, int temperature,
+					      int *low, int *high)
+{
+	struct user_threshold *t;
+
+	list_for_each_entry(t, thresholds, list_node) {
+		if (temperature < t->temperature &&
+		    (t->direction & THERMAL_THRESHOLD_WAY_UP) &&
+		    *high > t->temperature)
+			*high = t->temperature;
+	}
+
+	list_for_each_entry_reverse(t, thresholds, list_node) {
+		if (temperature > t->temperature &&
+		    (t->direction & THERMAL_THRESHOLD_WAY_DOWN) &&
+		    *low < t->temperature)
+			*low = t->temperature;
+	}
 }
 
 void thermal_thresholds_handle(struct thermal_zone_device *tz, int *low, int *high)
···
 	int last_temperature = tz->last_temperature;
 
 	lockdep_assert_held(&tz->lock);
+
+	thermal_threshold_find_boundaries(thresholds, temperature, low, high);
 
 	/*
 	 * We need a second update in order to detect a threshold being crossed
···
 	 * - decreased : thresholds are crossed the way down
 	 */
 	if (temperature > last_temperature) {
-		if (thermal_thresholds_handle_raising(thresholds, temperature,
-						      last_temperature, low, high))
+		if (thermal_thresholds_handle_raising(thresholds,
+						      temperature, last_temperature))
 			thermal_notify_threshold_up(tz);
 	} else {
-		if (thermal_thresholds_handle_dropping(thresholds, temperature,
-						       last_temperature, low, high))
+		if (thermal_thresholds_handle_dropping(thresholds,
+						       temperature, last_temperature))
 			thermal_notify_threshold_down(tz);
 	}
 }

drivers/thunderbolt/nhi.c

···
 	  .driver_data = (kernel_ulong_t)&icl_nhi_ops },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_LNL_NHI1),
 	  .driver_data = (kernel_ulong_t)&icl_nhi_ops },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_PTL_M_NHI0),
+	  .driver_data = (kernel_ulong_t)&icl_nhi_ops },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_PTL_M_NHI1),
+	  .driver_data = (kernel_ulong_t)&icl_nhi_ops },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_PTL_P_NHI0),
+	  .driver_data = (kernel_ulong_t)&icl_nhi_ops },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_PTL_P_NHI1),
+	  .driver_data = (kernel_ulong_t)&icl_nhi_ops },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_80G_NHI) },
 	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_BARLOW_RIDGE_HOST_40G_NHI) },
 

drivers/thunderbolt/nhi.h

···
 #define PCI_DEVICE_ID_INTEL_RPL_NHI1			0xa76d
 #define PCI_DEVICE_ID_INTEL_LNL_NHI0			0xa833
 #define PCI_DEVICE_ID_INTEL_LNL_NHI1			0xa834
+#define PCI_DEVICE_ID_INTEL_PTL_M_NHI0			0xe333
+#define PCI_DEVICE_ID_INTEL_PTL_M_NHI1			0xe334
+#define PCI_DEVICE_ID_INTEL_PTL_P_NHI0			0xe433
+#define PCI_DEVICE_ID_INTEL_PTL_P_NHI1			0xe434
 
 #define PCI_CLASS_SERIAL_USB_USB4			0x0c0340
 

drivers/thunderbolt/retimer.c

···
 
 err_nvm:
 	dev_dbg(&rt->dev, "NVM upgrade disabled\n");
+	rt->no_nvm_upgrade = true;
 	if (!IS_ERR(nvm))
 		tb_nvm_free(nvm);
 
···
 
 	if (!rt->nvm)
 		ret = -EAGAIN;
-	else if (rt->no_nvm_upgrade)
-		ret = -EOPNOTSUPP;
 	else
 		ret = sysfs_emit(buf, "%#x\n", rt->auth_status);
 
···
 
 	if (!rt->nvm)
 		ret = -EAGAIN;
-	else if (rt->no_nvm_upgrade)
-		ret = -EOPNOTSUPP;
 	else
 		ret = sysfs_emit(buf, "%x.%x\n", rt->nvm->major, rt->nvm->minor);
 
···
 }
 static DEVICE_ATTR_RO(vendor);
 
+static umode_t retimer_is_visible(struct kobject *kobj, struct attribute *attr,
+				  int n)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct tb_retimer *rt = tb_to_retimer(dev);
+
+	if (attr == &dev_attr_nvm_authenticate.attr ||
+	    attr == &dev_attr_nvm_version.attr)
+		return rt->no_nvm_upgrade ? 0 : attr->mode;
+
+	return attr->mode;
+}
+
 static struct attribute *retimer_attrs[] = {
 	&dev_attr_device.attr,
 	&dev_attr_nvm_authenticate.attr,
···
 };
 
 static const struct attribute_group retimer_group = {
+	.is_visible = retimer_is_visible,
 	.attrs = retimer_attrs,
 };
 

drivers/thunderbolt/tb.c

···
 	}
 }
 
+static void tb_switch_enter_redrive(struct tb_switch *sw)
+{
+	struct tb_port *port;
+
+	tb_switch_for_each_port(sw, port)
+		tb_enter_redrive(port);
+}
+
+/*
+ * Called during system and runtime suspend to forcefully exit redrive
+ * mode without querying whether the resource is available.
+ */
+static void tb_switch_exit_redrive(struct tb_switch *sw)
+{
+	struct tb_port *port;
+
+	if (!(sw->quirks & QUIRK_KEEP_POWER_IN_DP_REDRIVE))
+		return;
+
+	tb_switch_for_each_port(sw, port) {
+		if (!tb_port_is_dpin(port))
+			continue;
+
+		if (port->redrive) {
+			port->redrive = false;
+			pm_runtime_put(&sw->dev);
+			tb_port_dbg(port, "exit redrive mode\n");
+		}
+	}
+}
+
 static void tb_dp_resource_unavailable(struct tb *tb, struct tb_port *port)
 {
 	struct tb_port *in, *out;
···
 	tb_create_usb3_tunnels(tb->root_switch);
 	/* Add DP IN resources for the root switch */
 	tb_add_dp_resources(tb->root_switch);
+	tb_switch_enter_redrive(tb->root_switch);
 	/* Make the discovered switches available to the userspace */
 	device_for_each_child(&tb->root_switch->dev, NULL,
 			      tb_scan_finalize_switch);
···
 
 	tb_dbg(tb, "suspending...\n");
 	tb_disconnect_and_release_dp(tb);
+	tb_switch_exit_redrive(tb->root_switch);
 	tb_switch_suspend(tb->root_switch, false);
 	tcm->hotplug_active = false; /* signal tb_handle_hotplug to quit */
 	tb_dbg(tb, "suspend finished\n");
···
 		tb_dbg(tb, "tunnels restarted, sleeping for 100ms\n");
 		msleep(100);
 	}
+	tb_switch_enter_redrive(tb->root_switch);
 	 /* Allow tb_handle_hotplug to progress events */
 	tcm->hotplug_active = true;
 	tb_dbg(tb, "resume finished\n");
···
 	struct tb_cm *tcm = tb_priv(tb);
 
 	mutex_lock(&tb->lock);
+	/*
+	 * The below call only releases DP resources to allow exiting and
+	 * re-entering redrive mode.
+	 */
+	tb_disconnect_and_release_dp(tb);
+	tb_switch_exit_redrive(tb->root_switch);
 	tb_switch_suspend(tb->root_switch, true);
 	tcm->hotplug_active = false;
 	mutex_unlock(&tb->lock);
···
 	tb_restore_children(tb->root_switch);
 	list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list)
 		tb_tunnel_restart(tunnel);
+	tb_switch_enter_redrive(tb->root_switch);
 	tcm->hotplug_active = true;
 	mutex_unlock(&tb->lock);
 

drivers/tty/serial/8250/8250_core.c

···
 			uart->dl_write = up->dl_write;
 
 		if (uart->port.type != PORT_8250_CIR) {
+			if (uart_console_registered(&uart->port))
+				pm_runtime_get_sync(uart->port.dev);
+
 			if (serial8250_isa_config != NULL)
 				serial8250_isa_config(0, &uart->port,
 						&uart->capabilities);

drivers/tty/serial/imx.c

···
 {
 	u32 ucr3;
 
-	uart_port_lock(&sport->port);
+	uart_port_lock_irq(&sport->port);
 
 	ucr3 = imx_uart_readl(sport, UCR3);
 	if (on) {
···
 		imx_uart_writel(sport, ucr1, UCR1);
 	}
 
-	uart_port_unlock(&sport->port);
+	uart_port_unlock_irq(&sport->port);
 }
 
 static int imx_uart_suspend_noirq(struct device *dev)

drivers/tty/serial/stm32-usart.c

···
 	const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;
 	unsigned long flags;
 
-	spin_lock_irqsave(&port->lock, flags);
+	uart_port_lock_irqsave(port, &flags);
 
 	if (break_state)
 		stm32_usart_set_bits(port, ofs->rqr, USART_RQR_SBKRQ);
 	else
 		stm32_usart_clr_bits(port, ofs->rqr, USART_RQR_SBKRQ);
 
-	spin_unlock_irqrestore(&port->lock, flags);
+	uart_port_unlock_irqrestore(port, flags);
 }
 
 static int stm32_usart_startup(struct uart_port *port)

drivers/ufs/core/ufshcd-priv.h

···
 		hba->vops->config_scaling_param(hba, p, data);
 }
 
-static inline void ufshcd_vops_reinit_notify(struct ufs_hba *hba)
-{
-	if (hba->vops && hba->vops->reinit_notify)
-		hba->vops->reinit_notify(hba);
-}
-
 static inline int ufshcd_vops_mcq_config_resource(struct ufs_hba *hba)
 {
 	if (hba->vops && hba->vops->mcq_config_resource)

drivers/ufs/core/ufshcd.c

···
 		ufshcd_device_reset(hba);
 		ufs_put_device_desc(hba);
 		ufshcd_hba_stop(hba);
-		ufshcd_vops_reinit_notify(hba);
 		ret = ufshcd_hba_enable(hba);
 		if (ret) {
 			dev_err(hba->dev, "Host controller enable failed\n");
···
 	}
 
 	/*
-	 * Set the default power management level for runtime and system PM.
+	 * Set the default power management level for runtime and system PM if
+	 * not set by the host controller drivers.
 	 * Default power saving mode is to keep UFS link in Hibern8 state
 	 * and UFS device in sleep state.
 	 */
-	hba->rpm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state(
+	if (!hba->rpm_lvl)
+		hba->rpm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state(
 						UFS_SLEEP_PWR_MODE,
 						UIC_LINK_HIBERN8_STATE);
-	hba->spm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state(
+	if (!hba->spm_lvl)
+		hba->spm_lvl = ufs_get_desired_pm_lvl_for_dev_link_state(
 						UFS_SLEEP_PWR_MODE,
 						UIC_LINK_HIBERN8_STATE);
 

drivers/ufs/host/ufs-qcom.c

···
 	if (ret)
 		return ret;
 
+	if (phy->power_count) {
+		phy_power_off(phy);
+		phy_exit(phy);
+	}
+
 	/* phy initialization - calibrate the phy */
 	ret = phy_init(phy);
 	if (ret) {
···
  */
 static void ufs_qcom_advertise_quirks(struct ufs_hba *hba)
 {
+	const struct ufs_qcom_drvdata *drvdata = of_device_get_match_data(hba->dev);
 	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
 
 	if (host->hw_ver.major == 0x2)
···
 	if (host->hw_ver.major > 0x3)
 		hba->quirks |= UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH;
 
-	if (of_device_is_compatible(hba->dev->of_node, "qcom,sm8550-ufshc") ||
-	    of_device_is_compatible(hba->dev->of_node, "qcom,sm8650-ufshc"))
-		hba->quirks |= UFSHCD_QUIRK_BROKEN_LSDBS_CAP;
+	if (drvdata && drvdata->quirks)
+		hba->quirks |= drvdata->quirks;
 }
 
 static void ufs_qcom_set_phy_gear(struct ufs_qcom_host *host)
···
 	struct device *dev = hba->dev;
 	struct ufs_qcom_host *host;
 	struct ufs_clk_info *clki;
+	const struct ufs_qcom_drvdata *drvdata = of_device_get_match_data(hba->dev);
 
 	host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
 	if (!host)
···
 		/* Failure is non-fatal */
 		dev_warn(dev, "%s: failed to configure the testbus %d\n",
 				__func__, err);
+
+	if (drvdata && drvdata->no_phy_retention)
+		hba->spm_lvl = UFS_PM_LVL_5;
 
 	return 0;
 
···
 }
 #endif
 
-static void ufs_qcom_reinit_notify(struct ufs_hba *hba)
-{
-	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
-
-	phy_power_off(host->generic_phy);
-}
-
 /* Resources */
 static const struct ufshcd_res_info ufs_res_info[RES_MAX] = {
 	{.name = "ufs_mem",},
···
 	.device_reset		= ufs_qcom_device_reset,
 	.config_scaling_param = ufs_qcom_config_scaling_param,
 	.program_key		= ufs_qcom_ice_program_key,
-	.reinit_notify		= ufs_qcom_reinit_notify,
 	.mcq_config_resource	= ufs_qcom_mcq_config_resource,
 	.get_hba_mac		= ufs_qcom_get_hba_mac,
 	.op_runtime_config	= ufs_qcom_op_runtime_config,
···
 		platform_device_msi_free_irqs_all(hba->dev);
 }
 
+static const struct ufs_qcom_drvdata ufs_qcom_sm8550_drvdata = {
+	.quirks = UFSHCD_QUIRK_BROKEN_LSDBS_CAP,
+	.no_phy_retention = true,
+};
+
 static const struct of_device_id ufs_qcom_of_match[] __maybe_unused = {
 	{ .compatible = "qcom,ufshc" },
-	{ .compatible = "qcom,sm8550-ufshc" },
+	{ .compatible = "qcom,sm8550-ufshc", .data = &ufs_qcom_sm8550_drvdata },
+	{ .compatible = "qcom,sm8650-ufshc", .data = &ufs_qcom_sm8550_drvdata },
 	{},
 };
 MODULE_DEVICE_TABLE(of, ufs_qcom_of_match);

drivers/ufs/host/ufs-qcom.h

···
 	bool esi_enabled;
 };
 
+struct ufs_qcom_drvdata {
+	enum ufshcd_quirks quirks;
+	bool no_phy_retention;
+};
+
 static inline u32
 ufs_qcom_get_debug_reg_offset(struct ufs_qcom_host *host, u32 reg)
 {

drivers/usb/chipidea/ci_hdrc_imx.c

···
 		data->pinctrl = devm_pinctrl_get(dev);
 		if (PTR_ERR(data->pinctrl) == -ENODEV)
 			data->pinctrl = NULL;
-		else if (IS_ERR(data->pinctrl))
-			return dev_err_probe(dev, PTR_ERR(data->pinctrl),
+		else if (IS_ERR(data->pinctrl)) {
+			ret = dev_err_probe(dev, PTR_ERR(data->pinctrl),
 					     "pinctrl get failed\n");
+			goto err_put;
+		}
 
 		data->hsic_pad_regulator =
 				devm_regulator_get_optional(dev, "hsic");
 		if (PTR_ERR(data->hsic_pad_regulator) == -ENODEV) {
 			/* no pad regulator is needed */
 			data->hsic_pad_regulator = NULL;
-		} else if (IS_ERR(data->hsic_pad_regulator))
-			return dev_err_probe(dev, PTR_ERR(data->hsic_pad_regulator),
+		} else if (IS_ERR(data->hsic_pad_regulator)) {
+			ret = dev_err_probe(dev, PTR_ERR(data->hsic_pad_regulator),
 					     "Get HSIC pad regulator error\n");
+			goto err_put;
+		}
 
 		if (data->hsic_pad_regulator) {
 			ret = regulator_enable(data->hsic_pad_regulator);
 			if (ret) {
 				dev_err(dev,
 					"Failed to enable HSIC pad regulator\n");
-				return ret;
+				goto err_put;
 			}
 		}
 	}
···
 			dev_err(dev,
 				"pinctrl_hsic_idle lookup failed, err=%ld\n",
 					PTR_ERR(pinctrl_hsic_idle));
-			return PTR_ERR(pinctrl_hsic_idle);
+			ret = PTR_ERR(pinctrl_hsic_idle);
+			goto err_put;
 		}
 
 		ret = pinctrl_select_state(data->pinctrl, pinctrl_hsic_idle);
 		if (ret) {
 			dev_err(dev, "hsic_idle select failed, err=%d\n", ret);
-			return ret;
+			goto err_put;
 		}
 
 		data->pinctrl_hsic_active = pinctrl_lookup_state(data->pinctrl,
···
 			dev_err(dev,
 				"pinctrl_hsic_active lookup failed, err=%ld\n",
 					PTR_ERR(data->pinctrl_hsic_active));
-			return PTR_ERR(data->pinctrl_hsic_active);
+			ret = PTR_ERR(data->pinctrl_hsic_active);
+			goto err_put;
 		}
 	}
 
···
 	if (pdata.flags & CI_HDRC_PMQOS)
 		cpu_latency_qos_remove_request(&data->pm_qos_req);
 	data->ci_pdev = NULL;
+err_put:
+	put_device(data->usbmisc_data->dev);
 	return ret;
 }
 
···
 		if (data->hsic_pad_regulator)
 			regulator_disable(data->hsic_pad_regulator);
 	}
+	put_device(data->usbmisc_data->dev);
 }
 
 static void ci_hdrc_imx_shutdown(struct platform_device *pdev)

drivers/usb/class/usblp.c

···
 	if (protocol < USBLP_FIRST_PROTOCOL || protocol > USBLP_LAST_PROTOCOL)
 		return -EINVAL;
 
+	alts = usblp->protocol[protocol].alt_setting;
+	if (alts < 0)
+		return -EINVAL;
+
 	/* Don't unnecessarily set the interface if there's a single alt. */
 	if (usblp->intf->num_altsetting > 1) {
-		alts = usblp->protocol[protocol].alt_setting;
-		if (alts < 0)
-			return -EINVAL;
 		r = usb_set_interface(usblp->dev, usblp->ifnum, alts);
 		if (r < 0) {
 			printk(KERN_ERR "usblp: can't set desired altsetting %d on interface %d\n",

drivers/usb/core/hub.c

···
 		err = sysfs_create_link(&udev->dev.kobj,
 				&port_dev->dev.kobj, "port");
 		if (err)
-			goto fail;
+			goto out_del_dev;
 
 		err = sysfs_create_link(&port_dev->dev.kobj,
 				&udev->dev.kobj, "device");
 		if (err) {
 			sysfs_remove_link(&udev->dev.kobj, "port");
-			goto fail;
+			goto out_del_dev;
 		}
 
 		if (!test_and_set_bit(port1, hub->child_usage_bits))
···
 	pm_runtime_put_sync_autosuspend(&udev->dev);
 	return err;
 
+out_del_dev:
+	device_del(&udev->dev);
 fail:
 	usb_set_device_state(udev, USB_STATE_NOTATTACHED);
 	pm_runtime_disable(&udev->dev);

drivers/usb/core/port.c

···
 static void usb_port_shutdown(struct device *dev)
 {
 	struct usb_port *port_dev = to_usb_port(dev);
+	struct usb_device *udev = port_dev->child;
 
-	if (port_dev->child) {
-		usb_disable_usb2_hardware_lpm(port_dev->child);
-		usb_unlocked_disable_lpm(port_dev->child);
+	if (udev && !udev->port_is_suspended) {
+		usb_disable_usb2_hardware_lpm(udev);
+		usb_unlocked_disable_lpm(udev);
 	}
 }
 

drivers/usb/dwc3/core.h

···
 #define DWC3_DCTL_TRGTULST_SS_INACT	(DWC3_DCTL_TRGTULST(6))
 
 /* These apply for core versions 1.94a and later */
+#define DWC3_DCTL_NYET_THRES_MASK	(0xf << 20)
 #define DWC3_DCTL_NYET_THRES(n)		(((n) & 0xf) << 20)
 
 #define DWC3_DCTL_KEEP_CONNECT		BIT(19)

drivers/usb/dwc3/dwc3-am62.c

···
 
 	pm_runtime_put_sync(dev);
 	pm_runtime_disable(dev);
+	pm_runtime_dont_use_autosuspend(dev);
 	pm_runtime_set_suspended(dev);
 }
 

drivers/usb/dwc3/gadget.c

···
 		WARN_ONCE(DWC3_VER_IS_PRIOR(DWC3, 240A) && dwc->has_lpm_erratum,
 				"LPM Erratum not available on dwc3 revisions < 2.40a\n");
 
-		if (dwc->has_lpm_erratum && !DWC3_VER_IS_PRIOR(DWC3, 240A))
+		if (dwc->has_lpm_erratum && !DWC3_VER_IS_PRIOR(DWC3, 240A)) {
+			reg &= ~DWC3_DCTL_NYET_THRES_MASK;
 			reg |= DWC3_DCTL_NYET_THRES(dwc->lpm_nyet_threshold);
+		}
 
 		dwc3_gadget_dctl_write_safe(dwc, reg);
 	} else {

drivers/usb/gadget/Kconfig

···
 
 config USB_F_MIDI2
 	tristate
+	select SND_UMP
+	select SND_UMP_LEGACY_RAWMIDI
 
 config USB_F_HID
 	tristate
···
 	depends on USB_CONFIGFS
 	depends on SND
 	select USB_LIBCOMPOSITE
-	select SND_UMP
-	select SND_UMP_LEGACY_RAWMIDI
 	select USB_F_MIDI2
 	help
 	  The MIDI 2.0 function driver provides the generic emulated

drivers/usb/gadget/configfs.c

···
 {
 	struct gadget_string *string = to_gadget_string(item);
 	int size = min(sizeof(string->string), len + 1);
+	ssize_t cpy_len;
 
 	if (len > USB_MAX_STRING_LEN)
 		return -EINVAL;
 
-	return strscpy(string->string, page, size);
+	cpy_len = strscpy(string->string, page, size);
+	if (cpy_len > 0 && string->string[cpy_len - 1] == '\n')
+		string->string[cpy_len - 1] = 0;
+	return len;
 }
 CONFIGFS_ATTR(gadget_string_, s);
 

drivers/usb/gadget/function/f_fs.c

···
 	struct usb_gadget_strings **lang;
 	int first_id;
 
-	if (WARN_ON(ffs->state != FFS_ACTIVE
+	if ((ffs->state != FFS_ACTIVE
 		 || test_and_set_bit(FFS_FL_BOUND, &ffs->flags)))
 		return -EBADFD;
 

drivers/usb/gadget/function/f_uac2.c

···
 		uac2->as_in_alt = 0;
 	}
 
+	std_ac_if_desc.bNumEndpoints = 0;
 	if (FUOUT_EN(uac2_opts) || FUIN_EN(uac2_opts)) {
 		uac2->int_ep = usb_ep_autoconfig(gadget, &fs_ep_int_desc);
 		if (!uac2->int_ep) {

drivers/usb/gadget/function/u_serial.c

···
 	/* REVISIT as above: how best to track this? */
 	port->port_line_coding = gser->port_line_coding;
 
+	/* disable endpoints, aborting down any active I/O */
+	usb_ep_disable(gser->out);
+	usb_ep_disable(gser->in);
+
 	port->port_usb = NULL;
 	gser->ioport = NULL;
 	if (port->port.count > 0) {
···
 	port->suspended = false;
 	spin_unlock(&port->port_lock);
 	spin_unlock_irqrestore(&serial_port_lock, flags);
-
-	/* disable endpoints, aborting down any active I/O */
-	usb_ep_disable(gser->out);
-	usb_ep_disable(gser->in);
 
 	/* finally, free any unused/unusable I/O buffers */
 	spin_lock_irqsave(&port->port_lock, flags);

drivers/usb/host/xhci-mem.c

···
 			goto free_segments;
 	}
 
-	xhci_link_rings(xhci, ring, &new_ring);
+	xhci_link_rings(xhci, &new_ring, ring);
 	trace_xhci_ring_expansion(ring);
 	xhci_dbg_trace(xhci, trace_xhci_dbg_ring_expansion,
 			"ring expansion succeed, now has %d segments",

drivers/usb/host/xhci-plat.c

···
 
 	hcd->tpl_support = of_usb_host_tpl_support(sysdev->of_node);
 
-	if (priv && (priv->quirks & XHCI_SKIP_PHY_INIT))
+	if ((priv && (priv->quirks & XHCI_SKIP_PHY_INIT)) ||
+	    (xhci->quirks & XHCI_SKIP_PHY_INIT))
 		hcd->skip_phy_initialization = 1;
 
 	if (priv && (priv->quirks & XHCI_SG_TRB_CACHE_SIZE_QUIRK))

drivers/usb/host/xhci-ring.c

···
 			 * Keep retrying until the EP starts and stops again, on
 			 * chips where this is known to help. Wait for 100ms.
 			 */
-			if (!(xhci->quirks & XHCI_NEC_HOST))
-				break;
 			if (time_is_before_jiffies(ep->stop_time + msecs_to_jiffies(100)))
 				break;
 			fallthrough;

drivers/usb/serial/cp210x.c

···
 	{ USB_DEVICE(0x19CF, 0x3000) }, /* Parrot NMEA GPS Flight Recorder */
 	{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
 	{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
+	{ USB_DEVICE(0x1B93, 0x1013) }, /* Phoenix Contact UPS Device */
 	{ USB_DEVICE(0x1BA4, 0x0002) },	/* Silicon Labs 358x factory default */
 	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
 	{ USB_DEVICE(0x1D6F, 0x0010) }, /* Seluxit ApS RF Dongle */

drivers/usb/serial/option.c

···
 
 /* MeiG Smart Technology products */
 #define MEIGSMART_VENDOR_ID			0x2dee
-/* MeiG Smart SRM825L based on Qualcomm 315 */
+/* MeiG Smart SRM815/SRM825L based on Qualcomm 315 */
 #define MEIGSMART_PRODUCT_SRM825L		0x4d22
 /* MeiG Smart SLM320 based on UNISOC UIS8910 */
 #define MEIGSMART_PRODUCT_SLM320		0x4d41
+/* MeiG Smart SLM770A based on ASR1803 */
+#define MEIGSMART_PRODUCT_SLM770A		0x4d57
 
 /* Device flags */
 
···
 	  .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff),	/* Telit FN920C04 (MBIM) */
 	  .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c0, 0xff),	/* Telit FE910C04 (rmnet) */
+	  .driver_info = RSVD(0) | NCTRL(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c4, 0xff),	/* Telit FE910C04 (rmnet) */
+	  .driver_info = RSVD(0) | NCTRL(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10c8, 0xff),	/* Telit FE910C04 (rmnet) */
+	  .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
···
 	  .driver_info = NCTRL(2) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7127, 0xff, 0x00, 0x00),
 	  .driver_info = NCTRL(2) | NCTRL(3) | NCTRL(4) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x7129, 0xff, 0x00, 0x00),        /* MediaTek T7XX  */
+	  .driver_info = NCTRL(2) | NCTRL(3) | NCTRL(4) },
 	{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
 	{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MPL200),
 	  .driver_info = RSVD(1) | RSVD(4) },
···
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for Golbal EDU */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0x00, 0x40) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x0116, 0xff, 0xff, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010a, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WRD for WWAN Ready */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010a, 0xff, 0x00, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010a, 0xff, 0xff, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010b, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for WWAN Ready */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010b, 0xff, 0x00, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010b, 0xff, 0xff, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010c, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WRD for WWAN Ready */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010c, 0xff, 0x00, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010c, 0xff, 0xff, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010d, 0xff, 0xff, 0x30) },	/* NetPrisma LCUK54-WWD for WWAN Ready */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010d, 0xff, 0x00, 0x40) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x3731, 0x010d, 0xff, 0xff, 0x40) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
···
 	{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM770A, 0xff, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0530, 0xff),			/* TCL IK512 MBIM */
+	  .driver_info = NCTRL(1) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x1bbb, 0x0640, 0xff),			/* TCL IK512 ECM */
+	  .driver_info = NCTRL(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x2949, 0x8700, 0xff) },			/* Neoway N723-EA */
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);

drivers/usb/storage/unusual_devs.h

···
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_MAX_SECTORS_64 ),
 
+/* Added by Lubomir Rintel <[e-mail]>, a very fine chap */
+UNUSUAL_DEV(  0x0421, 0x06c2, 0x0000, 0x0406,
+		"Nokia",
+		"Nokia 208",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_MAX_SECTORS_64 ),
+
 #ifdef NO_SDDR09
 UNUSUAL_DEV(  0x0436, 0x0005, 0x0100, 0x0100,
 		"Microtech",

drivers/usb/typec/tcpm/maxim_contaminant.c

···
 
 		mv = max_contaminant_read_adc_mv(chip, channel, sleep_msec, raw, true);
 		if (mv < 0)
-			return ret;
+			return mv;
 
 		/* OVP enable */
 		ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL2, CCOVPDIS, 0);
···
 
 	mv = max_contaminant_read_adc_mv(chip, channel, sleep_msec, raw, true);
 	if (mv < 0)
-		return ret;
+		return mv;
 	/* Disable current source */
 	ret = regmap_update_bits(regmap, TCPC_VENDOR_CC_CTRL2, SBURPCTRL, 0);
 	if (ret < 0)

drivers/usb/typec/tcpm/tcpci.c

···
 
 	tcpci->alert_mask = reg;
 
-	return tcpci_write16(tcpci, TCPC_ALERT_MASK, reg);
+	return 0;
 }
 
 irqreturn_t tcpci_irq(struct tcpci *tcpci)
···
 
 	chip->data.set_orientation = err;
 
+	chip->tcpci = tcpci_register_port(&client->dev, &chip->data);
+	if (IS_ERR(chip->tcpci))
+		return PTR_ERR(chip->tcpci);
+
 	err = devm_request_threaded_irq(&client->dev, client->irq, NULL,
 					_tcpci_irq,
 					IRQF_SHARED | IRQF_ONESHOT,
 					dev_name(&client->dev), chip);
 	if (err < 0)
-		return err;
+		goto unregister_port;
 
-	/*
-	 * Disable irq while registering port. If irq is configured as an edge
-	 * irq this allow to keep track and process the irq as soon as it is enabled.
-	 */
-	disable_irq(client->irq);
-	chip->tcpci = tcpci_register_port(&client->dev, &chip->data);
-	enable_irq(client->irq);
+	/* Enable chip interrupts at last */
+	err = tcpci_write16(chip->tcpci, TCPC_ALERT_MASK, chip->tcpci->alert_mask);
+	if (err < 0)
+		goto unregister_port;
 
-	return PTR_ERR_OR_ZERO(chip->tcpci);
+	return 0;
+
+unregister_port:
+	tcpci_unregister_port(chip->tcpci);
+	return err;
 }
 
 static void tcpci_remove(struct i2c_client *client)

drivers/usb/typec/ucsi/ucsi_ccg.c

···
 			UCSI_CMD_CONNECTOR_MASK;
 		if (con_index == 0) {
 			ret = -EINVAL;
-			goto unlock;
+			goto err_put;
 		}
 		con = &uc->ucsi->connector[con_index - 1];
 		ucsi_ccg_update_set_new_cam_cmd(uc, con, &command);
···
 
 	ret = ucsi_sync_control_common(ucsi, command);
 
+err_put:
 	pm_runtime_put_sync(uc->dev);
-unlock:
 	mutex_unlock(&uc->lock);
 
 	return ret;

drivers/usb/typec/ucsi/ucsi_glink.c

···
 	struct pmic_glink_ucsi *ucsi = ucsi_get_drvdata(con->ucsi);
 	int orientation;
 
+	if (!UCSI_CONSTAT(con, CONNECTED)) {
+		typec_set_orientation(con->port, TYPEC_ORIENTATION_NONE);
+		return;
+	}
+
 	if (con->num > PMIC_GLINK_MAX_PORTS ||
 	    !ucsi->port_orientation[con->num - 1])
 		return;

drivers/vfio/pci/vfio_pci_core.c

···
 	unsigned long pfn, pgoff = vmf->pgoff - vma->vm_pgoff;
 	vm_fault_t ret = VM_FAULT_SIGBUS;
 
-	if (order && (vmf->address & ((PAGE_SIZE << order) - 1) ||
+	pfn = vma_to_pfn(vma) + pgoff;
+
+	if (order && (pfn & ((1 << order) - 1) ||
+		      vmf->address & ((PAGE_SIZE << order) - 1) ||
 		      vmf->address + (PAGE_SIZE << order) > vma->vm_end)) {
 		ret = VM_FAULT_FALLBACK;
 		goto out;
 	}
-
-	pfn = vma_to_pfn(vma);
 
 	down_read(&vdev->memory_lock);
 
···
 
 	switch (order) {
 	case 0:
-		ret = vmf_insert_pfn(vma, vmf->address, pfn + pgoff);
+		ret = vmf_insert_pfn(vma, vmf->address, pfn);
 		break;
 #ifdef CONFIG_ARCH_SUPPORTS_PMD_PFNMAP
 	case PMD_ORDER:
-		ret = vmf_insert_pfn_pmd(vmf, __pfn_to_pfn_t(pfn + pgoff,
-							     PFN_DEV), false);
+		ret = vmf_insert_pfn_pmd(vmf,
+					 __pfn_to_pfn_t(pfn, PFN_DEV), false);
 		break;
 #endif
 #ifdef CONFIG_ARCH_SUPPORTS_PUD_PFNMAP
 	case PUD_ORDER:
-		ret = vmf_insert_pfn_pud(vmf, __pfn_to_pfn_t(pfn + pgoff,
-							     PFN_DEV), false);
+		ret = vmf_insert_pfn_pud(vmf,
+					 __pfn_to_pfn_t(pfn, PFN_DEV), false);
 		break;
 #endif
 	default:

drivers/video/fbdev/Kconfig

···
 config FB_ATMEL
 	tristate "AT91 LCD Controller support"
 	depends on FB && OF && HAVE_CLK && HAS_IOMEM
+	depends on BACKLIGHT_CLASS_DEVICE
 	depends on HAVE_FB_ATMEL || COMPILE_TEST
 	select FB_BACKLIGHT
 	select FB_IOMEM_HELPERS
···
 config FB_NVIDIA
 	tristate "nVidia Framebuffer Support"
 	depends on FB && PCI
-	select FB_BACKLIGHT if FB_NVIDIA_BACKLIGHT
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
···
 config FB_NVIDIA_BACKLIGHT
 	bool "Support for backlight control"
 	depends on FB_NVIDIA
+	depends on BACKLIGHT_CLASS_DEVICE=y || BACKLIGHT_CLASS_DEVICE=FB_NVIDIA
+	select FB_BACKLIGHT
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
···
 config FB_RIVA
 	tristate "nVidia Riva support"
 	depends on FB && PCI
-	select FB_BACKLIGHT if FB_RIVA_BACKLIGHT
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
···
 config FB_RIVA_BACKLIGHT
 	bool "Support for backlight control"
 	depends on FB_RIVA
+	depends on BACKLIGHT_CLASS_DEVICE=y || BACKLIGHT_CLASS_DEVICE=FB_RIVA
+	select FB_BACKLIGHT
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
···
 config FB_RADEON
 	tristate "ATI Radeon display support"
 	depends on FB && PCI
-	select FB_BACKLIGHT if FB_RADEON_BACKLIGHT
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
···
 config FB_RADEON_BACKLIGHT
 	bool "Support for backlight control"
 	depends on FB_RADEON
+	depends on BACKLIGHT_CLASS_DEVICE=y || BACKLIGHT_CLASS_DEVICE=FB_RADEON
+	select FB_BACKLIGHT
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
···
 config FB_ATY128
 	tristate "ATI Rage128 display support"
 	depends on FB && PCI
-	select FB_BACKLIGHT if FB_ATY128_BACKLIGHT
 	select FB_IOMEM_HELPERS
 	select FB_MACMODES if PPC_PMAC
 	help
···
 config FB_ATY128_BACKLIGHT
 	bool "Support for backlight control"
 	depends on FB_ATY128
+	depends on BACKLIGHT_CLASS_DEVICE=y || BACKLIGHT_CLASS_DEVICE=FB_ATY128
+	select FB_BACKLIGHT
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
···
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
-	select FB_BACKLIGHT if FB_ATY_BACKLIGHT
 	select FB_IOMEM_FOPS
 	select FB_MACMODES if PPC
 	select FB_ATY_CT if SPARC64 && PCI
···
 config FB_ATY_BACKLIGHT
 	bool "Support for backlight control"
 	depends on FB_ATY
+	depends on BACKLIGHT_CLASS_DEVICE=y || BACKLIGHT_CLASS_DEVICE=FB_ATY
+	select FB_BACKLIGHT
 	default y
 	help
 	  Say Y here if you want to control the backlight of your display.
···
 	depends on FB && HAVE_CLK && HAS_IOMEM
 	depends on SUPERH || COMPILE_TEST
 	depends on FB_DEVICE
+	depends on BACKLIGHT_CLASS_DEVICE
 	select FB_BACKLIGHT
 	select FB_DEFERRED_IO
 	select FB_DMAMEM_HELPERS
···
 	tristate "Solomon SSD1307 framebuffer support"
 	depends on FB && I2C
 	depends on GPIOLIB || COMPILE_TEST
+	depends on BACKLIGHT_CLASS_DEVICE
 	select FB_BACKLIGHT
 	select FB_SYSMEM_HELPERS_DEFERRED
 	help

drivers/video/fbdev/core/Kconfig

···
 	select FB_SYSMEM_HELPERS
 
 config FB_BACKLIGHT
-	tristate
+	bool
 	depends on FB
-	select BACKLIGHT_CLASS_DEVICE
 
 config FB_MODE_HELPERS
 	bool "Enable Video Mode Handling Helpers"

drivers/virt/coco/tdx-guest/tdx-guest.c

···
 	if (!addr)
 		return NULL;
 
-	if (set_memory_decrypted((unsigned long)addr, count)) {
-		free_pages_exact(addr, len);
+	if (set_memory_decrypted((unsigned long)addr, count))
 		return NULL;
-	}
 
 	return addr;
 }

drivers/watchdog/stm32_iwdg.c

···
 	if (!wdt->data->has_early_wakeup)
 		return 0;
 
-	irq = platform_get_irq(pdev, 0);
+	irq = platform_get_irq_optional(pdev, 0);
 	if (irq <= 0)
 		return 0;
 

fs/9p/vfs_addr.c

···
 	int err, len;
 
 	len = p9_client_write(fid, subreq->start, &subreq->io_iter, &err);
+	if (len > 0)
+		__set_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
 	netfs_write_subrequest_terminated(subreq, len ?: err, false);
 }
 
···
 	if (pos + total >= i_size_read(rreq->inode))
 		__set_bit(NETFS_SREQ_HIT_EOF, &subreq->flags);
 
-	if (!err)
+	if (!err) {
 		subreq->transferred += total;
+		__set_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
+	}
 
 	netfs_read_subreq_terminated(subreq, err, false);
 }

fs/afs/addr_prefs.c

···
 
 	do {
 		argc = afs_split_string(&buf, argv, ARRAY_SIZE(argv));
-		if (argc < 0)
-			return argc;
+		if (argc < 0) {
+			ret = argc;
+			goto done;
+		}
 		if (argc < 2)
 			goto inval;
 

fs/afs/afs.h

···
 
 #include <linux/in.h>
 
-#define AFS_MAXCELLNAME		256  	/* Maximum length of a cell name */
+#define AFS_MAXCELLNAME		253  	/* Maximum length of a cell name (DNS limited) */
 #define AFS_MAXVOLNAME		64  	/* Maximum length of a volume name */
 #define AFS_MAXNSERVERS		8   	/* Maximum servers in a basic volume record */
 #define AFS_NMAXNSERVERS	13  	/* Maximum servers in a N/U-class volume record */

fs/afs/afs_vl.h

···
 #define AFS_VL_PORT		7003	/* volume location service port */
 #define VL_SERVICE		52	/* RxRPC service ID for the Volume Location service */
 #define YFS_VL_SERVICE		2503	/* Service ID for AuriStor upgraded VL service */
+#define YFS_VL_MAXCELLNAME	256  	/* Maximum length of a cell name in YFS protocol */
 
 enum AFSVL_Operations {
 	VLGETENTRYBYID		= 503,	/* AFS Get VLDB entry by ID */

fs/afs/vl_alias.c

···
 static int yfs_check_canonical_cell_name(struct afs_cell *cell, struct key *key)
 {
 	struct afs_cell *master;
+	size_t name_len;
 	char *cell_name;
 
 	cell_name = afs_vl_get_cell_name(cell, key);
···
 		return 0;
 	}
 
-	master = afs_lookup_cell(cell->net, cell_name, strlen(cell_name),
-				 NULL, false);
+	name_len = strlen(cell_name);
+	if (!name_len || name_len > AFS_MAXCELLNAME)
+		master = ERR_PTR(-EOPNOTSUPP);
+	else
+		master = afs_lookup_cell(cell->net, cell_name, name_len, NULL, false);
 	kfree(cell_name);
 	if (IS_ERR(master))
 		return PTR_ERR(master);

fs/afs/vlclient.c

···
 			return ret;
 
 		namesz = ntohl(call->tmp);
-		if (namesz > AFS_MAXCELLNAME)
+		if (namesz > YFS_VL_MAXCELLNAME)
 			return afs_protocol_error(call, afs_eproto_cellname_len);
 		paddedsz = (namesz + 3) & ~3;
 		call->count = namesz;

fs/afs/write.c

···
 	if (subreq->debug_index == 3)
 		return netfs_write_subrequest_terminated(subreq, -ENOANO, false);
 
-	if (!test_bit(NETFS_SREQ_RETRYING, &subreq->flags)) {
+	if (!subreq->retry_count) {
 		set_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags);
 		return netfs_write_subrequest_terminated(subreq, -EAGAIN, false);
 	}
···
 	afs_wait_for_operation(op);
 	ret = afs_put_operation(op);
 	switch (ret) {
+	case 0:
+		__set_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
+		break;
 	case -EACCES:
 	case -EPERM:
 	case -ENOKEY:

fs/btrfs/bio.c

···
 		INIT_WORK(&bbio->end_io_work, btrfs_end_bio_work);
 		queue_work(btrfs_end_io_wq(fs_info, bio), &bbio->end_io_work);
 	} else {
-		if (bio_op(bio) == REQ_OP_ZONE_APPEND && !bio->bi_status)
+		if (bio_is_zone_append(bio) && !bio->bi_status)
 			btrfs_record_physical_zoned(bbio);
 		btrfs_bio_end_io(bbio, bbio->bio.bi_status);
 	}
···
 	else
 		bio->bi_status = BLK_STS_OK;
 
-	if (bio_op(bio) == REQ_OP_ZONE_APPEND && !bio->bi_status)
+	if (bio_is_zone_append(bio) && !bio->bi_status)
 		stripe->physical = bio->bi_iter.bi_sector << SECTOR_SHIFT;
 
 	btrfs_bio_end_io(bbio, bbio->bio.bi_status);
···
 	if (bio->bi_status) {
 		atomic_inc(&stripe->bioc->error);
 		btrfs_log_dev_io_error(bio, stripe->dev);
-	} else if (bio_op(bio) == REQ_OP_ZONE_APPEND) {
+	} else if (bio_is_zone_append(bio)) {
 		stripe->physical = bio->bi_iter.bi_sector << SECTOR_SHIFT;
 	}
 
···
 	map_length = min(map_length, bbio->fs_info->max_zone_append_size);
 	sector_offset = bio_split_rw_at(&bbio->bio, &bbio->fs_info->limits,
 					&nr_segs, map_length);
-	if (sector_offset)
-		return sector_offset << SECTOR_SHIFT;
+	if (sector_offset) {
+		/*
+		 * bio_split_rw_at() could split at a size smaller than our
+		 * sectorsize and thus cause unaligned I/Os.  Fix that by
+		 * always rounding down to the nearest boundary.
+		 */
+		return ALIGN_DOWN(sector_offset << SECTOR_SHIFT, bbio->fs_info->sectorsize);
+	}
 	return map_length;
 }
 

fs/btrfs/ctree.c

···
 			goto error_unlock_cow;
 		}
 	}
+
+	trace_btrfs_cow_block(root, buf, cow);
 	if (unlock_orig)
 		btrfs_tree_unlock(buf);
 	free_extent_buffer_stale(buf);
···
 {
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	u64 search_start;
-	int ret;
 
 	if (unlikely(test_bit(BTRFS_ROOT_DELETING, &root->state))) {
 		btrfs_abort_transaction(trans, -EUCLEAN);
···
 	 * Also We don't care about the error, as it's handled internally.
 	 */
 	btrfs_qgroup_trace_subtree_after_cow(trans, root, buf);
-	ret = btrfs_force_cow_block(trans, root, buf, parent, parent_slot,
-				    cow_ret, search_start, 0, nest);
-
-	trace_btrfs_cow_block(root, buf, *cow_ret);
-
-	return ret;
+	return btrfs_force_cow_block(trans, root, buf, parent, parent_slot,
+				     cow_ret, search_start, 0, nest);
 }
 ALLOW_ERROR_INJECTION(btrfs_cow_block, ERRNO);
 

fs/btrfs/ctree.h

···
 }
 
 /*
+ * Return the generation this root started with.
+ *
+ * Every normal root that is created with root->root_key.offset set to it's
+ * originating generation.  If it is a snapshot it is the generation when the
+ * snapshot was created.
+ *
+ * However for TREE_RELOC roots root_key.offset is the objectid of the owning
+ * tree root.  Thankfully we copy the root item of the owning tree root, which
+ * has it's last_snapshot set to what we would have root_key.offset set to, so
+ * return that if this is a TREE_RELOC root.
+ */
+static inline u64 btrfs_root_origin_generation(const struct btrfs_root *root)
+{
+	if (btrfs_root_id(root) == BTRFS_TREE_RELOC_OBJECTID)
+		return btrfs_root_last_snapshot(&root->root_item);
+	return root->root_key.offset;
+}
+
+/*
  * Structure that conveys information about an extent that is going to replace
  * all the extents in a file range.
  */

fs/btrfs/extent-tree.c

···
 	 * reference to it.
 	 */
 	generation = btrfs_node_ptr_generation(eb, slot);
-	if (!wc->update_ref || generation <= root->root_key.offset)
+	if (!wc->update_ref || generation <= btrfs_root_origin_generation(root))
 		return false;
 
 	/*
···
 			goto reada;
 
 		if (wc->stage == UPDATE_BACKREF &&
-		    generation <= root->root_key.offset)
+		    generation <= btrfs_root_origin_generation(root))
 			continue;
 
 		/* We don't lock the tree block, it's OK to be racy here */
···
 	 * for the subtree
 	 */
 	if (wc->stage == UPDATE_BACKREF &&
-	    generation <= root->root_key.offset) {
+	    generation <= btrfs_root_origin_generation(root)) {
 		wc->lookup_info = 1;
 		return 1;
 	}

fs/btrfs/inode.c

···
 }
 
 struct btrfs_encoded_read_private {
-	wait_queue_head_t wait;
+	struct completion done;
 	void *uring_ctx;
-	atomic_t pending;
+	refcount_t pending_refs;
 	blk_status_t status;
 };
 
···
 		 */
 		WRITE_ONCE(priv->status, bbio->bio.bi_status);
 	}
-	if (atomic_dec_and_test(&priv->pending)) {
+	if (refcount_dec_and_test(&priv->pending_refs)) {
 		int err = blk_status_to_errno(READ_ONCE(priv->status));
 
 		if (priv->uring_ctx) {
 			btrfs_uring_read_extent_endio(priv->uring_ctx, err);
 			kfree(priv);
 		} else {
-			wake_up(&priv->wait);
+			complete(&priv->done);
 		}
 	}
 	bio_put(&bbio->bio);
···
 	if (!priv)
 		return -ENOMEM;
 
-	init_waitqueue_head(&priv->wait);
-	atomic_set(&priv->pending, 1);
+	init_completion(&priv->done);
+	refcount_set(&priv->pending_refs, 1);
 	priv->status = 0;
 	priv->uring_ctx = uring_ctx;
 
···
 		size_t bytes = min_t(u64, disk_io_size, PAGE_SIZE);
 
 		if (bio_add_page(&bbio->bio, pages[i], bytes, 0) < bytes) {
-			atomic_inc(&priv->pending);
+			refcount_inc(&priv->pending_refs);
 			btrfs_submit_bbio(bbio, 0);
 
 			bbio = btrfs_bio_alloc(BIO_MAX_VECS, REQ_OP_READ, fs_info,
···
 		disk_io_size -= bytes;
 	} while (disk_io_size);
 
-	atomic_inc(&priv->pending);
+	refcount_inc(&priv->pending_refs);
 	btrfs_submit_bbio(bbio, 0);
 
 	if (uring_ctx) {
-		if (atomic_dec_return(&priv->pending) == 0) {
+		if (refcount_dec_and_test(&priv->pending_refs)) {
 			ret = blk_status_to_errno(READ_ONCE(priv->status));
 			btrfs_uring_read_extent_endio(uring_ctx, ret);
 			kfree(priv);
···
 
 		return -EIOCBQUEUED;
 	} else {
-		if (atomic_dec_return(&priv->pending) != 0)
-			io_wait_event(priv->wait, !atomic_read(&priv->pending));
+		if (!refcount_dec_and_test(&priv->pending_refs))
+			wait_for_completion_io(&priv->done);
 		/* See btrfs_encoded_read_endio() for ordering. */
 		ret = blk_status_to_errno(READ_ONCE(priv->status));
 		kfree(priv);
···
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
 	struct extent_state *cached_state = NULL;
-	struct extent_map *em = NULL;
 	struct btrfs_chunk_map *map = NULL;
 	struct btrfs_device *device = NULL;
 	struct btrfs_swap_info bsi = {
 		.lowest_ppage = (sector_t)-1ULL,
 	};
+	struct btrfs_backref_share_check_ctx *backref_ctx = NULL;
+	struct btrfs_path *path = NULL;
 	int ret = 0;
 	u64 isize;
-	u64 start;
+	u64 prev_extent_end = 0;
+
+	/*
+	 * Acquire the inode's mmap lock to prevent races with memory mapped
+	 * writes, as they could happen after we flush delalloc below and before
+	 * we lock the extent range further below. The inode was already locked
+	 * up in the call chain.
+	 */
+	btrfs_assert_inode_locked(BTRFS_I(inode));
+	down_write(&BTRFS_I(inode)->i_mmap_lock);
 
 	/*
 	 * If the swap file was just created, make sure delalloc is done. If the
···
 	 */
 	ret = btrfs_wait_ordered_range(BTRFS_I(inode), 0, (u64)-1);
 	if (ret)
-		return ret;
+		goto out_unlock_mmap;
 
 	/*
 	 * The inode is locked, so these flags won't change after we check them.
 	 */
 	if (BTRFS_I(inode)->flags & BTRFS_INODE_COMPRESS) {
 		btrfs_warn(fs_info, "swapfile must not be compressed");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_unlock_mmap;
 	}
 	if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW)) {
 		btrfs_warn(fs_info, "swapfile must not be copy-on-write");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_unlock_mmap;
 	}
 	if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) {
 		btrfs_warn(fs_info, "swapfile must not be checksummed");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_unlock_mmap;
+	}
+
+	path = btrfs_alloc_path();
+	backref_ctx = btrfs_alloc_backref_share_check_ctx();
+	if (!path || !backref_ctx) {
+		ret = -ENOMEM;
+		goto out_unlock_mmap;
 	}
 
 	/*
···
 	if (!btrfs_exclop_start(fs_info, BTRFS_EXCLOP_SWAP_ACTIVATE)) {
 		btrfs_warn(fs_info,
 	   "cannot activate swapfile while exclusive operation is running");
-		return -EBUSY;
+		ret = -EBUSY;
+		goto out_unlock_mmap;
 	}
 
 	/*
···
 		btrfs_exclop_finish(fs_info);
 		btrfs_warn(fs_info,
 	   "cannot activate swapfile because snapshot creation is in progress");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out_unlock_mmap;
 	}
 	/*
 	 * Snapshots can create extents which require COW even if NODATACOW is
···
 		btrfs_warn(fs_info,
 		"cannot activate swapfile because subvolume %llu is being deleted",
 			btrfs_root_id(root));
-		return -EPERM;
+		ret = -EPERM;
+		goto out_unlock_mmap;
 	}
 	atomic_inc(&root->nr_swapfiles);
 	spin_unlock(&root->root_item_lock);
···
 	isize = ALIGN_DOWN(inode->i_size, fs_info->sectorsize);
 
 	lock_extent(io_tree, 0, isize - 1, &cached_state);
-	start = 0;
-	while (start < isize) {
-		u64 logical_block_start, physical_block_start;
+	while (prev_extent_end < isize) {
+		struct btrfs_key key;
+		struct extent_buffer *leaf;
+		struct btrfs_file_extent_item *ei;
 		struct btrfs_block_group *bg;
-		u64 len = isize - start;
+		u64 logical_block_start;
+		u64 physical_block_start;
+		u64 extent_gen;
+		u64 disk_bytenr;
+		u64 len;
 
-		em = btrfs_get_extent(BTRFS_I(inode), NULL, start, len);
-		if (IS_ERR(em)) {
-			ret = PTR_ERR(em);
+		key.objectid = btrfs_ino(BTRFS_I(inode));
+		key.type = BTRFS_EXTENT_DATA_KEY;
+		key.offset = prev_extent_end;
+
+		ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
+		if (ret < 0)
 			goto out;
-		}
 
-		if (em->disk_bytenr == EXTENT_MAP_HOLE) {
+		/*
+		 * If key not found it means we have an implicit hole (NO_HOLES
+		 * is enabled).
+		 */
+		if (ret > 0) {
 			btrfs_warn(fs_info, "swapfile must not have holes");
 			ret = -EINVAL;
 			goto out;
 		}
-		if (em->disk_bytenr == EXTENT_MAP_INLINE) {
+
+		leaf = path->nodes[0];
+		ei = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item);
+
+		if (btrfs_file_extent_type(leaf, ei) == BTRFS_FILE_EXTENT_INLINE) {
 			/*
 			 * It's unlikely we'll ever actually find ourselves
 			 * here, as a file small enough to fit inline won't be
···
 			ret = -EINVAL;
 			goto out;
 		}
-		if (extent_map_is_compressed(em)) {
+
+		if (btrfs_file_extent_compression(leaf, ei) != BTRFS_COMPRESS_NONE) {
 			btrfs_warn(fs_info, "swapfile must not be compressed");
 			ret = -EINVAL;
 			goto out;
 		}
 
-		logical_block_start = extent_map_block_start(em) + (start - em->start);
-		len = min(len, em->len - (start - em->start));
-		free_extent_map(em);
-		em = NULL;
+		disk_bytenr = btrfs_file_extent_disk_bytenr(leaf, ei);
+		if (disk_bytenr == 0) {
+			btrfs_warn(fs_info, "swapfile must not have holes");
+			ret = -EINVAL;
+			goto out;
+		}
 
-		ret = can_nocow_extent(inode, start, &len, NULL, false, true);
+		logical_block_start = disk_bytenr + btrfs_file_extent_offset(leaf, ei);
+		extent_gen = btrfs_file_extent_generation(leaf, ei);
+		prev_extent_end = btrfs_file_extent_end(path);
+
+		if (prev_extent_end > isize)
+			len = isize - key.offset;
+		else
+			len = btrfs_file_extent_num_bytes(leaf, ei);
+
+		backref_ctx->curr_leaf_bytenr = leaf->start;
+
+		/*
+		 * Don't need the path anymore, release to avoid deadlocks when
+		 * calling btrfs_is_data_extent_shared() because when joining a
+		 * transaction it can block waiting for the current one's commit
+		 * which in turn may be trying to lock the same leaf to flush
+		 * delayed items for example.
+		 */
+		btrfs_release_path(path);
+
+		ret = btrfs_is_data_extent_shared(BTRFS_I(inode), disk_bytenr,
+						  extent_gen, backref_ctx);
 		if (ret < 0) {
 			goto out;
-		} else if (ret) {
-			ret = 0;
-		} else {
+		} else if (ret > 0) {
 			btrfs_warn(fs_info,
 				   "swapfile must not be copy-on-write");
 			ret = -EINVAL;
···
 
 		physical_block_start = (map->stripes[0].physical +
 					(logical_block_start - map->start));
-		len = min(len, map->chunk_len - (logical_block_start - map->start));
 		btrfs_free_chunk_map(map);
 		map = NULL;
 
···
 				if (ret)
 					goto out;
 			}
-			bsi.start = start;
+			bsi.start = key.offset;
 			bsi.block_start = physical_block_start;
 			bsi.block_len = len;
 		}
 
-		start += len;
+		if (fatal_signal_pending(current)) {
+			ret = -EINTR;
+			goto out;
+		}
+
+		cond_resched();
 	}
 
 	if (bsi.block_len)
 		ret = btrfs_add_swap_extent(sis, &bsi);
 
 out:
-	if (!IS_ERR_OR_NULL(em))
-		free_extent_map(em);
 	if (!IS_ERR_OR_NULL(map))
 		btrfs_free_chunk_map(map);
 
···
 
 	btrfs_exclop_finish(fs_info);
 
+out_unlock_mmap:
+	up_write(&BTRFS_I(inode)->i_mmap_lock);
+	btrfs_free_backref_share_ctx(backref_ctx);
+	btrfs_free_path(path);
 	if (ret)
 		return ret;
 

fs/btrfs/ioctl.c

···
 	return ret;
 }
 
+struct btrfs_uring_encoded_data {
+	struct btrfs_ioctl_encoded_io_args args;
+	struct iovec iovstack[UIO_FASTIOV];
+	struct iovec *iov;
+	struct iov_iter iter;
+};
+
 static int btrfs_uring_encoded_read(struct io_uring_cmd *cmd, unsigned int issue_flags)
 {
 	size_t copy_end_kernel = offsetofend(struct btrfs_ioctl_encoded_io_args, flags);
 	size_t copy_end;
-	struct btrfs_ioctl_encoded_io_args args = { 0 };
 	int ret;
 	u64 disk_bytenr, disk_io_size;
 	struct file *file;
 	struct btrfs_inode *inode;
 	struct btrfs_fs_info *fs_info;
 	struct extent_io_tree *io_tree;
-	struct iovec iovstack[UIO_FASTIOV];
-	struct iovec *iov = iovstack;
-	struct iov_iter iter;
 	loff_t pos;
 	struct kiocb kiocb;
 	struct extent_state *cached_state = NULL;
 	u64 start, lockend;
 	void __user *sqe_addr;
+	struct btrfs_uring_encoded_data *data = io_uring_cmd_get_async_data(cmd)->op_data;
 
 	if (!capable(CAP_SYS_ADMIN)) {
 		ret = -EPERM;
···
 
 	if (issue_flags & IO_URING_F_COMPAT) {
 #if defined(CONFIG_64BIT) && defined(CONFIG_COMPAT)
-		struct btrfs_ioctl_encoded_io_args_32 args32;
-
 		copy_end = offsetofend(struct btrfs_ioctl_encoded_io_args_32, flags);
-		if (copy_from_user(&args32, sqe_addr, copy_end)) {
-			ret = -EFAULT;
-			goto out_acct;
-		}
-		args.iov = compat_ptr(args32.iov);
-		args.iovcnt = args32.iovcnt;
-		args.offset = args32.offset;
-		args.flags = args32.flags;
 #else
 		return -ENOTTY;
 #endif
 	} else {
 		copy_end = copy_end_kernel;
-		if (copy_from_user(&args, sqe_addr, copy_end)) {
-			ret = -EFAULT;
+	}
+
+	if (!data) {
+		data = kzalloc(sizeof(*data), GFP_NOFS);
+		if (!data) {
+			ret = -ENOMEM;
 			goto out_acct;
+		}
+
+		io_uring_cmd_get_async_data(cmd)->op_data = data;
+
+		if (issue_flags & IO_URING_F_COMPAT) {
+#if defined(CONFIG_64BIT) && defined(CONFIG_COMPAT)
+			struct btrfs_ioctl_encoded_io_args_32 args32;
+
+			if (copy_from_user(&args32, sqe_addr, copy_end)) {
+				ret = -EFAULT;
+				goto out_acct;
+			}
+
+			data->args.iov = compat_ptr(args32.iov);
+			data->args.iovcnt = args32.iovcnt;
+			data->args.offset = args32.offset;
+			data->args.flags = args32.flags;
+#endif
+		} else {
+			if (copy_from_user(&data->args, sqe_addr, copy_end)) {
+				ret = -EFAULT;
+				goto out_acct;
+			}
+		}
+
+		if (data->args.flags != 0) {
+			ret = -EINVAL;
+			goto out_acct;
+		}
+
+		data->iov = data->iovstack;
+		ret = import_iovec(ITER_DEST, data->args.iov, data->args.iovcnt,
+				   ARRAY_SIZE(data->iovstack), &data->iov,
+				   &data->iter);
+		if (ret < 0)
+			goto out_acct;
+
+		if (iov_iter_count(&data->iter) == 0) {
+			ret = 0;
+			goto out_free;
 		}
 	}
 
-	if (args.flags != 0)
-		return -EINVAL;
-
-	ret = import_iovec(ITER_DEST, args.iov, args.iovcnt, ARRAY_SIZE(iovstack),
-			   &iov, &iter);
-	if (ret < 0)
-		goto out_acct;
-
-	if (iov_iter_count(&iter) == 0) {
-		ret = 0;
-		goto out_free;
-	}
-
-	pos = args.offset;
-	ret = rw_verify_area(READ, file, &pos, args.len);
+	pos = data->args.offset;
+	ret = rw_verify_area(READ, file, &pos, data->args.len);
 	if (ret < 0)
 		goto out_free;
 
···
 	start = ALIGN_DOWN(pos, fs_info->sectorsize);
 	lockend = start + BTRFS_MAX_UNCOMPRESSED - 1;
 
-	ret = btrfs_encoded_read(&kiocb, &iter, &args, &cached_state,
+	ret = btrfs_encoded_read(&kiocb, &data->iter, &data->args, &cached_state,
 				 &disk_bytenr, &disk_io_size);
 	if (ret < 0 && ret != -EIOCBQUEUED)
 		goto out_free;
 
 	file_accessed(file);
 
-	if (copy_to_user(sqe_addr + copy_end, (const char *)&args + copy_end_kernel,
-			 sizeof(args) - copy_end_kernel)) {
+	if (copy_to_user(sqe_addr + copy_end,
+			 (const char *)&data->args + copy_end_kernel,
+			 sizeof(data->args) - copy_end_kernel)) {
 		if (ret == -EIOCBQUEUED) {
 			unlock_extent(io_tree, start, lockend, &cached_state);
 			btrfs_inode_unlock(inode, BTRFS_ILOCK_SHARED);
···
 	}
 
 	if (ret == -EIOCBQUEUED) {
-		u64 count;
-
-		/*
-		 * If we've optimized things by storing the iovecs on the stack,
-		 * undo this.
-		 */
-		if (!iov) {
-			iov = kmalloc(sizeof(struct iovec) * args.iovcnt, GFP_NOFS);
-			if (!iov) {
-				unlock_extent(io_tree, start, lockend, &cached_state);
-				btrfs_inode_unlock(inode, BTRFS_ILOCK_SHARED);
-				ret = -ENOMEM;
-				goto out_acct;
-			}
-
-			memcpy(iov, iovstack, sizeof(struct iovec) * args.iovcnt);
-		}
-
-		count = min_t(u64, iov_iter_count(&iter), disk_io_size);
+		u64 count = min_t(u64, iov_iter_count(&data->iter), disk_io_size);
 
 		/* Match ioctl by not returning past EOF if uncompressed. */
-		if (!args.compression)
-			count = min_t(u64, count, args.len);
+		if (!data->args.compression)
+			count = min_t(u64, count, data->args.len);
 
-		ret = btrfs_uring_read_extent(&kiocb, &iter, start, lockend,
-					      cached_state, disk_bytenr,
-					      disk_io_size, count,
-					      args.compression, iov, cmd);
+		ret = btrfs_uring_read_extent(&kiocb, &data->iter, start, lockend,
+					      cached_state, disk_bytenr, disk_io_size,
+					      count, data->args.compression,
+					      data->iov, cmd);
 
 		goto out_acct;
 	}
 
 out_free:
-	kfree(iov);
+	kfree(data->iov);
 
 out_acct:
 	if (ret > 0)

fs/btrfs/qgroup.c

···
 	fs_info->qgroup_flags = BTRFS_QGROUP_STATUS_FLAG_ON;
 	if (simple) {
 		fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_SIMPLE_MODE;
+		btrfs_set_fs_incompat(fs_info, SIMPLE_QUOTA);
 		btrfs_set_qgroup_status_enable_gen(leaf, ptr, trans->transid);
 	} else {
 		fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
···
 	spin_lock(&fs_info->qgroup_lock);
 	fs_info->quota_root = quota_root;
 	set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags);
-	if (simple)
-		btrfs_set_fs_incompat(fs_info, SIMPLE_QUOTA);
 	spin_unlock(&fs_info->qgroup_lock);
 
 	/* Skip rescan for simple qgroups. */

fs/btrfs/relocation.c

···
 	const bool use_rst = btrfs_need_stripe_tree_update(fs_info, rc->block_group->flags);
 
 	ASSERT(index <= last_index);
+again:
 	folio = filemap_lock_folio(inode->i_mapping, index);
 	if (IS_ERR(folio)) {
 
···
 		if (!folio_test_uptodate(folio)) {
 			ret = -EIO;
 			goto release_folio;
+		}
+		if (folio->mapping != inode->i_mapping) {
+			folio_unlock(folio);
+			folio_put(folio);
+			goto again;
 		}
 	}
 

fs/btrfs/scrub.c

···
 	u64 extent_gen;
 	int ret;
 
+	if (unlikely(!extent_root)) {
+		btrfs_err(fs_info, "no valid extent root for scrub");
+		return -EUCLEAN;
+	}
 	memset(stripe->sectors, 0, sizeof(struct scrub_sector_verification) *
 				   stripe->nr_sectors);
 	scrub_stripe_reset_bitmaps(stripe);

fs/btrfs/send.c

···
 		unsigned cur_len = min_t(unsigned, len,
 					 PAGE_SIZE - pg_offset);
 
+again:
 		folio = filemap_lock_folio(mapping, index);
 		if (IS_ERR(folio)) {
 			page_cache_sync_readahead(mapping,
···
 				folio_put(folio);
 				ret = -EIO;
 				break;
+			}
+			if (folio->mapping != mapping) {
+				folio_unlock(folio);
+				folio_put(folio);
+				goto again;
 			}
 		}
 

fs/btrfs/sysfs.c

···
 {
 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);
 
-	return sysfs_emit(buf, "%u\n", fs_info->super_copy->nodesize);
+	return sysfs_emit(buf, "%u\n", fs_info->nodesize);
 }
 
 BTRFS_ATTR(, nodesize, btrfs_nodesize_show);
···
 {
 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);
 
-	return sysfs_emit(buf, "%u\n", fs_info->super_copy->sectorsize);
+	return sysfs_emit(buf, "%u\n", fs_info->sectorsize);
 }
 
 BTRFS_ATTR(, sectorsize, btrfs_sectorsize_show);
···
 {
 	struct btrfs_fs_info *fs_info = to_fs_info(kobj);
 
-	return sysfs_emit(buf, "%u\n", fs_info->super_copy->sectorsize);
+	return sysfs_emit(buf, "%u\n", fs_info->sectorsize);
 }
 
 BTRFS_ATTR(, clone_alignment, btrfs_clone_alignment_show);

fs/btrfs/tree-checker.c

···
 					   dref_offset, fs_info->sectorsize);
 				return -EUCLEAN;
 			}
+			if (unlikely(btrfs_extent_data_ref_count(leaf, dref) == 0)) {
+				extent_err(leaf, slot,
+			"invalid data ref count, should have non-zero value");
+				return -EUCLEAN;
+			}
 			inline_refs += btrfs_extent_data_ref_count(leaf, dref);
 			break;
 		/* Contains parent bytenr and ref count */
···
 				extent_err(leaf, slot,
 		"invalid data parent bytenr, have %llu expect aligned to %u",
 					   inline_offset, fs_info->sectorsize);
+				return -EUCLEAN;
+			}
+			if (unlikely(btrfs_shared_data_ref_count(leaf, sref) == 0)) {
+				extent_err(leaf, slot,
+			"invalid shared data ref count, should have non-zero value");
 				return -EUCLEAN;
 			}
 			inline_refs += btrfs_shared_data_ref_count(leaf, sref);
···
 {
 	u32 expect_item_size = 0;
 
-	if (key->type == BTRFS_SHARED_DATA_REF_KEY)
+	if (key->type == BTRFS_SHARED_DATA_REF_KEY) {
+		struct btrfs_shared_data_ref *sref;
+
+		sref = btrfs_item_ptr(leaf, slot, struct btrfs_shared_data_ref);
+		if (unlikely(btrfs_shared_data_ref_count(leaf, sref) == 0)) {
+			extent_err(leaf, slot,
+		"invalid shared data backref count, should have non-zero value");
+			return -EUCLEAN;
+		}
+
 		expect_item_size = sizeof(struct btrfs_shared_data_ref);
+	}
 
 	if (unlikely(btrfs_item_size(leaf, slot) != expect_item_size)) {
 		generic_err(leaf, slot,
···
 			extent_err(leaf, slot,
 	"invalid extent data backref offset, have %llu expect aligned to %u",
 				   offset, leaf->fs_info->sectorsize);
+			return -EUCLEAN;
+		}
+		if (unlikely(btrfs_extent_data_ref_count(leaf, dref) == 0)) {
+			extent_err(leaf, slot,
+	"invalid extent data backref count, should have non-zero value");
 			return -EUCLEAN;
 		}
 	}

fs/btrfs/zlib.c

···
 					copy_page(workspace->buf + i * PAGE_SIZE,
 						  data_in);
 					start += PAGE_SIZE;
-					workspace->strm.avail_in =
-						(in_buf_folios << PAGE_SHIFT);
 				}
 				workspace->strm.next_in = workspace->buf;
+				workspace->strm.avail_in = min(bytes_left,
+							       in_buf_folios << PAGE_SHIFT);
 			} else {
 				unsigned int pg_off;
 				unsigned int cur_len;

fs/btrfs/zoned.c

···
 		     (u64)lim->max_segments << PAGE_SHIFT),
 		fs_info->sectorsize);
 	fs_info->fs_devices->chunk_alloc_policy = BTRFS_CHUNK_ALLOC_ZONED;
-	if (fs_info->max_zone_append_size < fs_info->max_extent_size)
-		fs_info->max_extent_size = fs_info->max_zone_append_size;
+
+	fs_info->max_extent_size = min_not_zero(fs_info->max_extent_size,
+						fs_info->max_zone_append_size);
 
 	/*
 	 * Check mount options here, because we might change fs_info->zoned

fs/cachefiles/daemon.c

···
 #include <linux/namei.h>
 #include <linux/poll.h>
 #include <linux/mount.h>
+#include <linux/security.h>
 #include <linux/statfs.h>
 #include <linux/ctype.h>
 #include <linux/string.h>
···
  */
 static int cachefiles_daemon_secctx(struct cachefiles_cache *cache, char *args)
 {
-	char *secctx;
+	int err;
 
 	_enter(",%s", args);
 
···
 		return -EINVAL;
 	}
 
-	if (cache->secctx) {
+	if (cache->have_secid) {
 		pr_err("Second security context specified\n");
 		return -EINVAL;
 	}
 
-	secctx = kstrdup(args, GFP_KERNEL);
-	if (!secctx)
-		return -ENOMEM;
+	err = security_secctx_to_secid(args, strlen(args), &cache->secid);
+	if (err)
+		return err;
 
-	cache->secctx = secctx;
+	cache->have_secid = true;
 	return 0;
 }
 
···
 	put_cred(cache->cache_cred);
 
 	kfree(cache->rootdirname);
-	kfree(cache->secctx);
 	kfree(cache->tag);
 
 	_leave("");

fs/cachefiles/internal.h

···
 #define CACHEFILES_STATE_CHANGED	3	/* T if state changed (poll trigger) */
 #define CACHEFILES_ONDEMAND_MODE	4	/* T if in on-demand read mode */
 	char				*rootdirname;	/* name of cache root directory */
-	char				*secctx;	/* LSM security context */
 	char				*tag;		/* cache binding tag */
 	refcount_t			unbind_pincount;/* refcount to do daemon unbind */
 	struct xarray			reqs;		/* xarray of pending on-demand requests */
···
 	struct xarray			ondemand_ids;	/* xarray for ondemand_id allocation */
 	u32				ondemand_id_next;
 	u32				msg_id_next;
+	u32				secid;		/* LSM security id */
+	bool				have_secid;	/* whether "secid" was set */
 };
 
 static inline bool cachefiles_in_ondemand_mode(struct cachefiles_cache *cache)

fs/cachefiles/security.c

···
 	struct cred *new;
 	int ret;
 
-	_enter("{%s}", cache->secctx);
+	_enter("{%u}", cache->have_secid ? cache->secid : 0);
 
 	new = prepare_kernel_cred(current);
 	if (!new) {
···
 		goto error;
 	}
 
-	if (cache->secctx) {
-		ret = set_security_override_from_ctx(new, cache->secctx);
+	if (cache->have_secid) {
+		ret = set_security_override(new, cache->secid);
 		if (ret < 0) {
 			put_cred(new);
 			pr_err("Security denies permission to nominate security context: error %d\n",

fs/ceph/file.c

···
 	if (ceph_inode_is_shutdown(inode))
 		return -EIO;
 
-	if (!len)
+	if (!len || !i_size)
 		return 0;
 	/*
 	 * flush any page cache pages in this range.  this
···
 		int num_pages;
 		size_t page_off;
 		bool more;
-		int idx;
+		int idx = 0;
 		size_t left;
 		struct ceph_osd_req_op *op;
 		u64 read_off = off;
···
 			len = read_off + read_len - off;
 		more = len < iov_iter_count(to);
 
+		op = &req->r_ops[0];
+		if (sparse) {
+			extent_cnt = __ceph_sparse_read_ext_count(inode, read_len);
+			ret = ceph_alloc_sparse_ext_map(op, extent_cnt);
+			if (ret) {
+				ceph_osdc_put_request(req);
+				break;
+			}
+		}
+
 		num_pages = calc_pages_for(read_off, read_len);
 		page_off = offset_in_page(off);
 		pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL);
···
 
 		osd_req_op_extent_osd_data_pages(req, 0, pages, read_len,
 						 offset_in_page(read_off),
-						 false, false);
-
-		op = &req->r_ops[0];
-		if (sparse) {
-			extent_cnt = __ceph_sparse_read_ext_count(inode, read_len);
-			ret = ceph_alloc_sparse_ext_map(op, extent_cnt);
-			if (ret) {
-				ceph_osdc_put_request(req);
-				break;
-			}
-		}
+						 false, true);
 
 		ceph_osdc_start_request(osdc, req);
 		ret = ceph_osdc_wait_request(osdc, req);
···
 		else if (ret == -ENOENT)
 			ret = 0;
 
-		if (ret > 0 && IS_ENCRYPTED(inode)) {
+		if (ret < 0) {
+			ceph_osdc_put_request(req);
+			if (ret == -EBLOCKLISTED)
+				fsc->blocklisted = true;
+			break;
+		}
+
+		if (IS_ENCRYPTED(inode)) {
 			int fret;
 
 			fret = ceph_fscrypt_decrypt_extents(inode, pages,
···
 			ret = min_t(ssize_t, fret, len);
 		}
 
-		ceph_osdc_put_request(req);
-
 		/* Short read but not EOF? Zero out the remainder. */
-		if (ret >= 0 && ret < len && (off + ret < i_size)) {
+		if (ret < len && (off + ret < i_size)) {
 			int zlen = min(len - ret, i_size - off - ret);
 			int zoff = page_off + ret;
 
···
 			ret += zlen;
 		}
 
-		idx = 0;
-		if (ret <= 0)
-			left = 0;
-		else if (off + ret > i_size)
-			left = i_size - off;
+		if (off + ret > i_size)
+			left = (i_size > off) ? i_size - off : 0;
 		else
 			left = ret;
+
 		while (left > 0) {
 			size_t plen, copied;
 
···
 				break;
 			}
 		}
-		ceph_release_page_vector(pages, num_pages);
 
-		if (ret < 0) {
-			if (ret == -EBLOCKLISTED)
-				fsc->blocklisted = true;
-			break;
-		}
+		ceph_osdc_put_request(req);
 
 		if (off >= i_size || !more)
 			break;
···
 			break;
 		}
 
+		op = &req->r_ops[0];
+		if (!write && sparse) {
+			extent_cnt = __ceph_sparse_read_ext_count(inode, size);
+			ret = ceph_alloc_sparse_ext_map(op, extent_cnt);
+			if (ret) {
+				ceph_osdc_put_request(req);
+				break;
+			}
+		}
+
 		len = iter_get_bvecs_alloc(iter, size, &bvecs, &num_pages);
 		if (len < 0) {
 			ceph_osdc_put_request(req);
···
 		}
 		if (len != size)
 			osd_req_op_extent_update(req, 0, len);
+
+		osd_req_op_extent_osd_data_bvecs(req, 0, bvecs, num_pages, len);
 
 		/*
 		 * To simplify error handling, allow AIO when IO within i_size
···
 						   PAGE_ALIGN(pos + len) - 1);
 
 			req->r_mtime = mtime;
-		}
-
-		osd_req_op_extent_osd_data_bvecs(req, 0, bvecs, num_pages, len);
-		op = &req->r_ops[0];
-		if (sparse) {
-			extent_cnt = __ceph_sparse_read_ext_count(inode, size);
-			ret = ceph_alloc_sparse_ext_map(op, extent_cnt);
-			if (ret) {
-				ceph_osdc_put_request(req);
-				break;
-			}
 		}
 
 		if (aio_req) {

fs/ceph/mds_client.c

···
 
 	if (pos < 0) {
 		/*
-		 * A rename didn't occur, but somehow we didn't end up where
-		 * we thought we would. Throw a warning and try again.
+		 * The path is longer than PATH_MAX and this function
+		 * cannot ever succeed.  Creating paths that long is
+		 * possible with Ceph, but Linux cannot use them.
 		 */
-		pr_warn_client(cl, "did not end path lookup where expected (pos = %d)\n",
-			       pos);
-		goto retry;
+		return ERR_PTR(-ENAMETOOLONG);
 	}
 
 	*pbase = base;

fs/ceph/super.c

···
 
 	switch (token) {
 	case Opt_snapdirname:
+		if (strlen(param->string) > NAME_MAX)
+			return invalfc(fc, "snapdirname too long");
 		kfree(fsopt->snapdir_name);
 		fsopt->snapdir_name = param->string;
 		param->string = NULL;

fs/debugfs/file.c

···
 }
 EXPORT_SYMBOL_GPL(debugfs_real_fops);
 
-/**
- * debugfs_file_get - mark the beginning of file data access
- * @dentry: the dentry object whose data is being accessed.
- *
- * Up to a matching call to debugfs_file_put(), any successive call
- * into the file removing functions debugfs_remove() and
- * debugfs_remove_recursive() will block. Since associated private
- * file data may only get freed after a successful return of any of
- * the removal functions, you may safely access it after a successful
- * call to debugfs_file_get() without worrying about lifetime issues.
- *
- * If -%EIO is returned, the file has already been removed and thus,
- * it is not safe to access any of its data. If, on the other hand,
- * it is allowed to access the file data, zero is returned.
- */
-int debugfs_file_get(struct dentry *dentry)
+enum dbgfs_get_mode {
+	DBGFS_GET_ALREADY,
+	DBGFS_GET_REGULAR,
+	DBGFS_GET_SHORT,
+};
+
+static int __debugfs_file_get(struct dentry *dentry, enum dbgfs_get_mode mode)
 {
 	struct debugfs_fsdata *fsd;
 	void *d_fsd;
···
 	if (!((unsigned long)d_fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)) {
 		fsd = d_fsd;
 	} else {
+		if (WARN_ON(mode == DBGFS_GET_ALREADY))
+			return -EINVAL;
+
 		fsd = kmalloc(sizeof(*fsd), GFP_KERNEL);
 		if (!fsd)
 			return -ENOMEM;
 
-		if ((unsigned long)d_fsd & DEBUGFS_FSDATA_IS_SHORT_FOPS_BIT) {
+		if (mode == DBGFS_GET_SHORT) {
 			fsd->real_fops = NULL;
 			fsd->short_fops = (void *)((unsigned long)d_fsd &
-						~(DEBUGFS_FSDATA_IS_REAL_FOPS_BIT |
-						  DEBUGFS_FSDATA_IS_SHORT_FOPS_BIT));
+						~DEBUGFS_FSDATA_IS_REAL_FOPS_BIT);
 		} else {
 			fsd->real_fops = (void *)((unsigned long)d_fsd &
 						~DEBUGFS_FSDATA_IS_REAL_FOPS_BIT);
···
 		return -EIO;
 
 	return 0;
+}
+
+/**
+ * debugfs_file_get - mark the beginning of file data access
+ * @dentry: the dentry object whose data is being accessed.
+ *
+ * Up to a matching call to debugfs_file_put(), any successive call
+ * into the file removing functions debugfs_remove() and
+ * debugfs_remove_recursive() will block. Since associated private
+ * file data may only get freed after a successful return of any of
+ * the removal functions, you may safely access it after a successful
+ * call to debugfs_file_get() without worrying about lifetime issues.
+ *
+ * If -%EIO is returned, the file has already been removed and thus,
+ * it is not safe to access any of its data. If, on the other hand,
+ * it is allowed to access the file data, zero is returned.
+ */
+int debugfs_file_get(struct dentry *dentry)
+{
+	return __debugfs_file_get(dentry, DBGFS_GET_ALREADY);
 }
 EXPORT_SYMBOL_GPL(debugfs_file_get);
 
···
 	const struct file_operations *real_fops = NULL;
 	int r;
 
-	r = debugfs_file_get(dentry);
+	r = __debugfs_file_get(dentry, DBGFS_GET_REGULAR);
 	if (r)
 		return r == -EIO ? -ENOENT : r;
 
···
 		proxy_fops->unlocked_ioctl = full_proxy_unlocked_ioctl;
 }
 
-static int full_proxy_open(struct inode *inode, struct file *filp)
+static int full_proxy_open(struct inode *inode, struct file *filp,
+			   enum dbgfs_get_mode mode)
 {
 	struct dentry *dentry = F_DENTRY(filp);
 	const struct file_operations *real_fops;
···
 	struct debugfs_fsdata *fsd;
 	int r;
 
-	r = debugfs_file_get(dentry);
+	r = __debugfs_file_get(dentry, mode);
 	if (r)
 		return r == -EIO ? -ENOENT : r;
 
···
 	return r;
 }
 
+static int full_proxy_open_regular(struct inode *inode, struct file *filp)
+{
+	return full_proxy_open(inode, filp, DBGFS_GET_REGULAR);
+}
+
 const struct file_operations debugfs_full_proxy_file_operations = {
-	.open = full_proxy_open,
+	.open = full_proxy_open_regular,
+};
+
+static int full_proxy_open_short(struct inode *inode, struct file *filp)
+{
+	return full_proxy_open(inode, filp, DBGFS_GET_SHORT);
+}
+
+const struct file_operations debugfs_full_short_proxy_file_operations = {
+	.open = full_proxy_open_short,
 };
 
 ssize_t debugfs_attr_read(struct file *file, char __user *buf,

fs/debugfs/inode.c

···
 		return;
 
 	/* check it wasn't a dir (no fsdata) or automount (no real_fops) */
-	if (fsd && fsd->real_fops) {
+	if (fsd && (fsd->real_fops || fsd->short_fops)) {
 		WARN_ON(!list_empty(&fsd->cancellations));
 		mutex_destroy(&fsd->cancellations_mtx);
 	}
···
 					const struct file_operations *fops)
 {
 	if (WARN_ON((unsigned long)fops &
-		    (DEBUGFS_FSDATA_IS_SHORT_FOPS_BIT |
-		     DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)))
+		    DEBUGFS_FSDATA_IS_REAL_FOPS_BIT))
 		return ERR_PTR(-EINVAL);
 
 	return __debugfs_create_file(name, mode, parent, data,
···
 					 const struct debugfs_short_fops *fops)
 {
 	if (WARN_ON((unsigned long)fops &
-		    (DEBUGFS_FSDATA_IS_SHORT_FOPS_BIT |
-		     DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)))
+		    DEBUGFS_FSDATA_IS_REAL_FOPS_BIT))
 		return ERR_PTR(-EINVAL);
 
 	return __debugfs_create_file(name, mode, parent, data,
-				fops ? &debugfs_full_proxy_file_operations :
+				fops ? &debugfs_full_short_proxy_file_operations :
 					&debugfs_noop_file_operations,
-				(const void *)((unsigned long)fops |
-					       DEBUGFS_FSDATA_IS_SHORT_FOPS_BIT));
+				fops);
 }
 EXPORT_SYMBOL_GPL(debugfs_create_file_short);
 

fs/debugfs/internal.h

···
 extern const struct file_operations debugfs_noop_file_operations;
 extern const struct file_operations debugfs_open_proxy_file_operations;
 extern const struct file_operations debugfs_full_proxy_file_operations;
+extern const struct file_operations debugfs_full_short_proxy_file_operations;
 
 struct debugfs_fsdata {
 	const struct file_operations *real_fops;
···
  * pointer gets its lowest bit set.
  */
 #define DEBUGFS_FSDATA_IS_REAL_FOPS_BIT BIT(0)
-/*
- * A dentry's ->d_fsdata, when pointing to real fops, is with
- * short fops instead of full fops.
- */
-#define DEBUGFS_FSDATA_IS_SHORT_FOPS_BIT BIT(1)
 
 /* Access BITS */
 #define DEBUGFS_ALLOW_API	BIT(0)

fs/erofs/data.c

···
 
 	buf->file = NULL;
 	if (erofs_is_fileio_mode(sbi)) {
-		buf->file = sbi->fdev;		/* some fs like FUSE needs it */
+		buf->file = sbi->dif0.file;	/* some fs like FUSE needs it */
 		buf->mapping = buf->file->f_mapping;
 	} else if (erofs_is_fscache_mode(sb))
-		buf->mapping = sbi->s_fscache->inode->i_mapping;
+		buf->mapping = sbi->dif0.fscache->inode->i_mapping;
 	else
 		buf->mapping = sb->s_bdev->bd_mapping;
 }
···
 }
 
 static void erofs_fill_from_devinfo(struct erofs_map_dev *map,
-				    struct erofs_device_info *dif)
+		struct super_block *sb, struct erofs_device_info *dif)
 {
+	map->m_sb = sb;
+	map->m_dif = dif;
 	map->m_bdev = NULL;
-	map->m_fp = NULL;
-	if (dif->file) {
-		if (S_ISBLK(file_inode(dif->file)->i_mode))
-			map->m_bdev = file_bdev(dif->file);
-		else
-			map->m_fp = dif->file;
-	}
-	map->m_daxdev = dif->dax_dev;
-	map->m_dax_part_off = dif->dax_part_off;
-	map->m_fscache = dif->fscache;
+	if (dif->file && S_ISBLK(file_inode(dif->file)->i_mode))
+		map->m_bdev = file_bdev(dif->file);
 }
 
 int erofs_map_dev(struct super_block *sb, struct erofs_map_dev *map)
···
 	erofs_off_t startoff, length;
 	int id;
 
-	map->m_bdev = sb->s_bdev;
-	map->m_daxdev = EROFS_SB(sb)->dax_dev;
-	map->m_dax_part_off = EROFS_SB(sb)->dax_part_off;
-	map->m_fscache = EROFS_SB(sb)->s_fscache;
-	map->m_fp = EROFS_SB(sb)->fdev;
-
+	erofs_fill_from_devinfo(map, sb, &EROFS_SB(sb)->dif0);
+	map->m_bdev = sb->s_bdev;	/* use s_bdev for the primary device */
 	if (map->m_deviceid) {
 		down_read(&devs->rwsem);
 		dif = idr_find(&devs->tree, map->m_deviceid - 1);
···
 			up_read(&devs->rwsem);
 			return 0;
 		}
-		erofs_fill_from_devinfo(map, dif);
+		erofs_fill_from_devinfo(map, sb, dif);
 		up_read(&devs->rwsem);
 	} else if (devs->extra_devices && !devs->flatdev) {
 		down_read(&devs->rwsem);
···
 			if (map->m_pa >= startoff &&
 			    map->m_pa < startoff + length) {
 				map->m_pa -= startoff;
-				erofs_fill_from_devinfo(map, dif);
+				erofs_fill_from_devinfo(map, sb, dif);
 				break;
 			}
 		}
···
 
 	iomap->offset = map.m_la;
 	if (flags & IOMAP_DAX)
-		iomap->dax_dev = mdev.m_daxdev;
+		iomap->dax_dev = mdev.m_dif->dax_dev;
 	else
 		iomap->bdev = mdev.m_bdev;
 	iomap->length = map.m_llen;
···
 		iomap->type = IOMAP_MAPPED;
 		iomap->addr = mdev.m_pa;
 		if (flags & IOMAP_DAX)
-			iomap->addr += mdev.m_dax_part_off;
+			iomap->addr += mdev.m_dif->dax_part_off;
 	}
 	return 0;
 }

fs/erofs/fileio.c

···
 	struct bio_vec bvecs[BIO_MAX_VECS];
 	struct bio bio;
 	struct kiocb iocb;
+	struct super_block *sb;
 };
 
 struct erofs_fileio {
···
 	rq->iocb.ki_pos = rq->bio.bi_iter.bi_sector << SECTOR_SHIFT;
 	rq->iocb.ki_ioprio = get_current_ioprio();
 	rq->iocb.ki_complete = erofs_fileio_ki_complete;
-	rq->iocb.ki_flags = (rq->iocb.ki_filp->f_mode & FMODE_CAN_ODIRECT) ?
-				IOCB_DIRECT : 0;
+	if (test_opt(&EROFS_SB(rq->sb)->opt, DIRECT_IO) &&
+	    rq->iocb.ki_filp->f_mode & FMODE_CAN_ODIRECT)
+		rq->iocb.ki_flags = IOCB_DIRECT;
 	iov_iter_bvec(&iter, ITER_DEST, rq->bvecs, rq->bio.bi_vcnt,
 		      rq->bio.bi_iter.bi_size);
 	ret = vfs_iocb_iter_read(rq->iocb.ki_filp, &rq->iocb, &iter);
···
 					     GFP_KERNEL | __GFP_NOFAIL);
 
 	bio_init(&rq->bio, NULL, rq->bvecs, BIO_MAX_VECS, REQ_OP_READ);
-	rq->iocb.ki_filp = mdev->m_fp;
+	rq->iocb.ki_filp = mdev->m_dif->file;
+	rq->sb = mdev->m_sb;
 	return rq;
 }
 

fs/erofs/fscache.c

···
 
 	io = kmalloc(sizeof(*io), GFP_KERNEL | __GFP_NOFAIL);
 	bio_init(&io->bio, NULL, io->bvecs, BIO_MAX_VECS, REQ_OP_READ);
-	io->io.private = mdev->m_fscache->cookie;
+	io->io.private = mdev->m_dif->fscache->cookie;
 	io->io.end_io = erofs_fscache_bio_endio;
 	refcount_set(&io->io.ref, 1);
 	return &io->bio;
···
 	if (!io)
 		return -ENOMEM;
 	iov_iter_xarray(&io->iter, ITER_DEST, &mapping->i_pages, pos, count);
-	ret = erofs_fscache_read_io_async(mdev.m_fscache->cookie,
+	ret = erofs_fscache_read_io_async(mdev.m_dif->fscache->cookie,
 			mdev.m_pa + (pos - map.m_la), io);
 	erofs_fscache_req_io_put(io);
 
···
 	if (IS_ERR(fscache))
 		return PTR_ERR(fscache);
 
-	sbi->s_fscache = fscache;
+	sbi->dif0.fscache = fscache;
 	return 0;
 }
 
···
 {
 	struct erofs_sb_info *sbi = EROFS_SB(sb);
 
-	erofs_fscache_unregister_cookie(sbi->s_fscache);
+	erofs_fscache_unregister_cookie(sbi->dif0.fscache);
 
 	if (sbi->domain)
 		erofs_fscache_domain_put(sbi->domain);
 	else
 		fscache_relinquish_volume(sbi->volume, NULL, false);
 
-	sbi->s_fscache = NULL;
+	sbi->dif0.fscache = NULL;
 	sbi->volume = NULL;
 	sbi->domain = NULL;
 }

fs/erofs/internal.h

···
 };
 
 struct erofs_sb_info {
+	struct erofs_device_info dif0;
 	struct erofs_mount_opts opt;	/* options */
 #ifdef CONFIG_EROFS_FS_ZIP
 	/* list for all registered superblocks, mainly for shrinker */
···
 
 	struct erofs_sb_lz4_info lz4;
 #endif	/* CONFIG_EROFS_FS_ZIP */
-	struct file *fdev;
 	struct inode *packed_inode;
 	struct erofs_dev_context *devs;
-	struct dax_device *dax_dev;
-	u64 dax_part_off;
 	u64 total_blocks;
-	u32 primarydevice_blocks;
 
 	u32 meta_blkaddr;
 #ifdef CONFIG_EROFS_FS_XATTR
···
 
 	/* fscache support */
 	struct fscache_volume *volume;
-	struct erofs_fscache *s_fscache;
 	struct erofs_domain *domain;
 	char *fsid;
 	char *domain_id;
···
 #define EROFS_MOUNT_POSIX_ACL		0x00000020
 #define EROFS_MOUNT_DAX_ALWAYS		0x00000040
 #define EROFS_MOUNT_DAX_NEVER		0x00000080
+#define EROFS_MOUNT_DIRECT_IO		0x00000100
 
 #define clear_opt(opt, option)	((opt)->mount_opt &= ~EROFS_MOUNT_##option)
 #define set_opt(opt, option)	((opt)->mount_opt |= EROFS_MOUNT_##option)
···
 
 static inline bool erofs_is_fileio_mode(struct erofs_sb_info *sbi)
 {
-	return IS_ENABLED(CONFIG_EROFS_FS_BACKED_BY_FILE) && sbi->fdev;
+	return IS_ENABLED(CONFIG_EROFS_FS_BACKED_BY_FILE) && sbi->dif0.file;
 }
 
 static inline bool erofs_is_fscache_mode(struct super_block *sb)
···
 };
 
 struct erofs_map_dev {
-	struct erofs_fscache *m_fscache;
+	struct super_block *m_sb;
+	struct erofs_device_info *m_dif;
 	struct block_device *m_bdev;
-	struct dax_device *m_daxdev;
-	struct file *m_fp;
-	u64 m_dax_part_off;
 
 	erofs_off_t m_pa;
 	unsigned int m_deviceid;

fs/erofs/super.c

···
 	struct erofs_device_info *dif;
 	int id, err = 0;
 
-	sbi->total_blocks = sbi->primarydevice_blocks;
+	sbi->total_blocks = sbi->dif0.blocks;
 	if (!erofs_sb_has_device_table(sbi))
 		ondisk_extradevs = 0;
 	else
···
 			  sbi->sb_size);
 		goto out;
 	}
-	sbi->primarydevice_blocks = le32_to_cpu(dsb->blocks);
+	sbi->dif0.blocks = le32_to_cpu(dsb->blocks);
 	sbi->meta_blkaddr = le32_to_cpu(dsb->meta_blkaddr);
 #ifdef CONFIG_EROFS_FS_XATTR
 	sbi->xattr_blkaddr = le32_to_cpu(dsb->xattr_blkaddr);
···
 }
 
 enum {
-	Opt_user_xattr,
-	Opt_acl,
-	Opt_cache_strategy,
-	Opt_dax,
-	Opt_dax_enum,
-	Opt_device,
-	Opt_fsid,
-	Opt_domain_id,
+	Opt_user_xattr, Opt_acl, Opt_cache_strategy, Opt_dax, Opt_dax_enum,
+	Opt_device, Opt_fsid, Opt_domain_id, Opt_directio,
 	Opt_err
 };
 
···
 	fsparam_string("device",	Opt_device),
 	fsparam_string("fsid",		Opt_fsid),
 	fsparam_string("domain_id",	Opt_domain_id),
+	fsparam_flag_no("directio",	Opt_directio),
 	{}
 };
 
···
 		errorfc(fc, "%s option not supported", erofs_fs_parameters[opt].name);
 		break;
 #endif
+	case Opt_directio:
+#ifdef CONFIG_EROFS_FS_BACKED_BY_FILE
+		if (result.boolean)
+			set_opt(&sbi->opt, DIRECT_IO);
+		else
+			clear_opt(&sbi->opt, DIRECT_IO);
+#else
+		errorfc(fc, "%s option not supported", erofs_fs_parameters[opt].name);
+#endif
+		break;
 	default:
 		return -ENOPARAM;
 	}
···
 			return -EINVAL;
 		}
 
-		sbi->dax_dev = fs_dax_get_by_bdev(sb->s_bdev,
-						  &sbi->dax_part_off,
-						  NULL, NULL);
+		sbi->dif0.dax_dev = fs_dax_get_by_bdev(sb->s_bdev,
+				&sbi->dif0.dax_part_off, NULL, NULL);
 	}
 
 	err = erofs_read_superblock(sb);
···
 	}
 
 	if (test_opt(&sbi->opt, DAX_ALWAYS)) {
-		if (!sbi->dax_dev) {
+		if (!sbi->dif0.dax_dev) {
 			errorfc(fc, "DAX unsupported by block device. Turning off DAX.");
 			clear_opt(&sbi->opt, DAX_ALWAYS);
 		} else if (sbi->blkszbits != PAGE_SHIFT) {
···
 			GET_TREE_BDEV_QUIET_LOOKUP : 0);
 #ifdef CONFIG_EROFS_FS_BACKED_BY_FILE
 	if (ret == -ENOTBLK) {
+		struct file *file;
+
 		if (!fc->source)
 			return invalf(fc, "No source specified");
-		sbi->fdev = filp_open(fc->source, O_RDONLY | O_LARGEFILE, 0);
-		if (IS_ERR(sbi->fdev))
-			return PTR_ERR(sbi->fdev);
+		file = filp_open(fc->source, O_RDONLY | O_LARGEFILE, 0);
+		if (IS_ERR(file))
+			return PTR_ERR(file);
+		sbi->dif0.file = file;
 
-		if (S_ISREG(file_inode(sbi->fdev)->i_mode) &&
-		    sbi->fdev->f_mapping->a_ops->read_folio)
+		if (S_ISREG(file_inode(sbi->dif0.file)->i_mode) &&
+		    sbi->dif0.file->f_mapping->a_ops->read_folio)
 			return get_tree_nodev(fc, erofs_fc_fill_super);
-		fput(sbi->fdev);
 	}
 #endif
 	return ret;
···
 	kfree(devs);
 }
 
+static void erofs_sb_free(struct erofs_sb_info *sbi)
+{
+	erofs_free_dev_context(sbi->devs);
+	kfree(sbi->fsid);
+	kfree(sbi->domain_id);
+	if (sbi->dif0.file)
+		fput(sbi->dif0.file);
+	kfree(sbi);
+}
+
 static void erofs_fc_free(struct fs_context *fc)
 {
 	struct erofs_sb_info *sbi = fc->s_fs_info;
 
-	if (!sbi)
-		return;
-
-	erofs_free_dev_context(sbi->devs);
-	kfree(sbi->fsid);
-	kfree(sbi->domain_id);
-	kfree(sbi);
+	if (sbi) /* free here if an error occurs before transferring to sb */
+		erofs_sb_free(sbi);
 }
 
 static const struct fs_context_operations erofs_context_ops = {
···
 {
 	struct erofs_sb_info *sbi = EROFS_SB(sb);
 
-	if ((IS_ENABLED(CONFIG_EROFS_FS_ONDEMAND) && sbi->fsid) || sbi->fdev)
+	if ((IS_ENABLED(CONFIG_EROFS_FS_ONDEMAND) && sbi->fsid) ||
+	    sbi->dif0.file)
 		kill_anon_super(sb);
 	else
 		kill_block_super(sb);
-
-	erofs_free_dev_context(sbi->devs);
-	fs_put_dax(sbi->dax_dev, NULL);
+	fs_put_dax(sbi->dif0.dax_dev, NULL);
 	erofs_fscache_unregister_fs(sb);
-	kfree(sbi->fsid);
-	kfree(sbi->domain_id);
-	if (sbi->fdev)
-		fput(sbi->fdev);
-	kfree(sbi);
+	erofs_sb_free(sbi);
 	sb->s_fs_info = NULL;
 }
 
···
 		seq_puts(seq, ",dax=always");
 	if (test_opt(opt, DAX_NEVER))
 		seq_puts(seq, ",dax=never");
+	if (erofs_is_fileio_mode(sbi) && test_opt(opt, DIRECT_IO))
+		seq_puts(seq, ",directio");
 #ifdef CONFIG_EROFS_FS_ONDEMAND
 	if (sbi->fsid)
 		seq_printf(seq, ",fsid=%s", sbi->fsid);

fs/erofs/zdata.c

···
 			erofs_fscache_submit_bio(bio);
 		else
 			submit_bio(bio);
-		if (memstall)
-			psi_memstall_leave(&pflags);
 	}
+	if (memstall)
+		psi_memstall_leave(&pflags);
 
 	/*
 	 * although background is preferred, no one is pending for submission.

fs/erofs/zutil.c

···
 	struct erofs_sb_info *const sbi = EROFS_SB(sb);
 
 	mutex_lock(&sbi->umount_mutex);
-	/* clean up all remaining pclusters in memory */
-	z_erofs_shrink_scan(sbi, ~0UL);
-
+	while (!xa_empty(&sbi->managed_pslots)) {
+		z_erofs_shrink_scan(sbi, ~0UL);
+		cond_resched();
+	}
 	spin_lock(&erofs_sb_list_lock);
 	list_del(&sbi->list);
 	spin_unlock(&erofs_sb_list_lock);

fs/exfat/dir.c

···
 			type = exfat_get_entry_type(ep);
 			if (type == TYPE_UNUSED) {
 				brelse(bh);
-				break;
+				goto out;
 			}
 
 			if (type != TYPE_FILE && type != TYPE_DIR) {
···
 		}
 	}
 
+out:
 	dir_entry->namebuf.lfn[0] = '\0';
 	*cpos = EXFAT_DEN_TO_B(dentry);
 	return 0;

fs/exfat/fatent.c

···
 
 			if (err)
 				goto dec_used_clus;
+
+			if (num_clusters >= sbi->num_clusters - EXFAT_FIRST_CLUSTER) {
+				/*
+				 * The cluster chain includes a loop, scan the
+				 * bitmap to get the number of used clusters.
+				 */
+				exfat_count_used_clusters(sb, &sbi->used_clusters);
+
+				return 0;
+			}
 		} while (clu != EXFAT_EOF_CLUSTER);
 	}
 

fs/exfat/file.c

···
 	while (pos < new_valid_size) {
 		u32 len;
 		struct folio *folio;
+		unsigned long off;
 
 		len = PAGE_SIZE - (pos & (PAGE_SIZE - 1));
 		if (pos + len > new_valid_size)
···
 		if (err)
 			goto out;
 
+		off = offset_in_folio(folio, pos);
+		folio_zero_new_buffers(folio, off, off + len);
+
 		err = ops->write_end(file, mapping, pos, len, len, folio, NULL);
 		if (err < 0)
 			goto out;
···
 		balance_dirty_pages_ratelimited(mapping);
 		cond_resched();
 	}
+
+	return 0;
 
 out:
 	return err;

fs/exfat/namei.c

···
 
 	while ((dentry = exfat_search_empty_slot(sb, &hint_femp, p_dir,
 					num_entries, es)) < 0) {
-		if (dentry == -EIO)
-			break;
+		if (dentry != -ENOSPC)
+			return dentry;
 
 		if (exfat_check_max_dentries(inode))
 			return -ENOSPC;

fs/file.c

···
 #include <linux/close_range.h>
 #include <linux/file_ref.h>
 #include <net/sock.h>
+#include <linux/init_task.h>
 
 #include "internal.h"
 

fs/fuse/dir.c

···
 		 */
 		if (ff->open_flags & (FOPEN_STREAM | FOPEN_NONSEEKABLE))
 			nonseekable_open(inode, file);
+		if (!(ff->open_flags & FOPEN_KEEP_CACHE))
+			invalidate_inode_pages2(inode->i_mapping);
 	}
 
 	return err;

fs/fuse/file.c

···
 	 */
 	struct page **pages = kzalloc(max_pages * sizeof(struct page *),
 				      GFP_KERNEL);
-	if (!pages)
-		return -ENOMEM;
+	if (!pages) {
+		ret = -ENOMEM;
+		goto out;
+	}
 
 	while (nbytes < *nbytesp && nr_pages < max_pages) {
 		unsigned nfolios, i;
···
 
 		nbytes += ret;
 
-		ret += start;
-		/* Currently, all folios in FUSE are one page */
-		nfolios = DIV_ROUND_UP(ret, PAGE_SIZE);
+		nfolios = DIV_ROUND_UP(ret + start, PAGE_SIZE);
 
-		ap->descs[ap->num_folios].offset = start;
-		fuse_folio_descs_length_init(ap->descs, ap->num_folios, nfolios);
-		for (i = 0; i < nfolios; i++)
-			ap->folios[i + ap->num_folios] = page_folio(pages[i]);
+		for (i = 0; i < nfolios; i++) {
+			struct folio *folio = page_folio(pages[i]);
+			unsigned int offset = start +
+				(folio_page_idx(folio, pages[i]) << PAGE_SHIFT);
+			unsigned int len = min_t(unsigned int, ret, PAGE_SIZE - start);
 
-		ap->num_folios += nfolios;
-		ap->descs[ap->num_folios - 1].length -=
-			(PAGE_SIZE - ret) & (PAGE_SIZE - 1);
+			ap->descs[ap->num_folios].offset = offset;
+			ap->descs[ap->num_folios].length = len;
+			ap->folios[ap->num_folios] = folio;
+			start = 0;
+			ret -= len;
+			ap->num_folios++;
+		}
+
 		nr_pages += nfolios;
 	}
 	kfree(pages);
···
 	else
 		ap->args.out_pages = true;
 
+out:
 	*nbytesp = nbytes;
 
 	return ret < 0 ? ret : 0;

fs/hfs/super.c

···
 		goto bail_no_root;
 	res = hfs_cat_find_brec(sb, HFS_ROOT_CNID, &fd);
 	if (!res) {
-		if (fd.entrylength > sizeof(rec) || fd.entrylength < 0) {
+		if (fd.entrylength != sizeof(rec.dir)) {
 			res =  -EIO;
 			goto bail_hfs_find;
 		}
 		hfs_bnode_read(fd.bnode, &rec, fd.entryoffset, fd.entrylength);
+		if (rec.type != HFS_CDR_DIR)
+			res = -EIO;
 	}
 	if (res)
 		goto bail_hfs_find;

fs/hugetlbfs/inode.c

···
 			error = PTR_ERR(folio);
 			goto out;
 		}
-		folio_zero_user(folio, ALIGN_DOWN(addr, hpage_size));
+		folio_zero_user(folio, addr);
 		__folio_mark_uptodate(folio);
 		error = hugetlb_add_to_page_cache(folio, mapping, index);
 		if (unlikely(error)) {

fs/iomap/buffered-io.c

···
 				start_byte, end_byte, iomap, punch);
 
 		/* move offset to start of next folio in range */
-		start_byte = folio_next_index(folio) << PAGE_SHIFT;
+		start_byte = folio_pos(folio) + folio_size(folio);
 		folio_unlock(folio);
 		folio_put(folio);
 	}
···
  */
 static int iomap_add_to_ioend(struct iomap_writepage_ctx *wpc,
 		struct writeback_control *wbc, struct folio *folio,
-		struct inode *inode, loff_t pos, unsigned len)
+		struct inode *inode, loff_t pos, loff_t end_pos,
+		unsigned len)
 {
 	struct iomap_folio_state *ifs = folio->private;
 	size_t poff = offset_in_folio(folio, pos);
···
 
 	if (ifs)
 		atomic_add(len, &ifs->write_bytes_pending);
+
+	/*
+	 * Clamp io_offset and io_size to the incore EOF so that ondisk
+	 * file size updates in the ioend completion are byte-accurate.
+	 * This avoids recovering files with zeroed tail regions when
+	 * writeback races with appending writes:
+	 *
+	 *    Thread 1:                  Thread 2:
+	 *    ------------               -----------
+	 *    write [A, A+B]
+	 *    update inode size to A+B
+	 *    submit I/O [A, A+BS]
+	 *                               write [A+B, A+B+C]
+	 *                               update inode size to A+B+C
+	 *    <I/O completes, updates disk size to min(A+B+C, A+BS)>
+	 *    <power failure>
+	 *
+	 *  After reboot:
+	 *    1) with A+B+C < A+BS, the file has zero padding in range
+	 *       [A+B, A+B+C]
+	 *
+	 *    |<     Block Size (BS)   >|
+	 *    |DDDDDDDDDDDD0000000000000|
+	 *    ^           ^        ^
+	 *    A          A+B     A+B+C
+	 *                       (EOF)
+	 *
+	 *    2) with A+B+C > A+BS, the file has zero padding in range
+	 *       [A+B, A+BS]
+	 *
+	 *    |<     Block Size (BS)   >|<     Block Size (BS)    >|
+	 *    |DDDDDDDDDDDD0000000000000|00000000000000000000000000|
+	 *    ^           ^             ^           ^
+	 *    A          A+B           A+BS       A+B+C
+	 *                             (EOF)
+	 *
+	 *    D = Valid Data
+	 *    0 = Zero Padding
+	 *
+	 * Note that this defeats the ability to chain the ioends of
+	 * appending writes.
+	 */
 	wpc->ioend->io_size += len;
+	if (wpc->ioend->io_offset + wpc->ioend->io_size > end_pos)
+		wpc->ioend->io_size = end_pos - wpc->ioend->io_offset;
+
 	wbc_account_cgroup_owner(wbc, folio, len);
 	return 0;
 }
 
 static int iomap_writepage_map_blocks(struct iomap_writepage_ctx *wpc,
 		struct writeback_control *wbc, struct folio *folio,
-		struct inode *inode, u64 pos, unsigned dirty_len,
-		unsigned *count)
+		struct inode *inode, u64 pos, u64 end_pos,
+		unsigned dirty_len, unsigned *count)
 {
 	int error;
 
···
 			break;
 		default:
 			error = iomap_add_to_ioend(wpc, wbc, folio, inode, pos,
-					map_len);
+					end_pos, map_len);
 			if (!error)
 				(*count)++;
 			break;
···
 		 *    remaining memory is zeroed when mapped, and writes to that
 		 *    region are not written out to the file.
 		 *
-		 * Also adjust the writeback range to skip all blocks entirely
-		 * beyond i_size.
+		 * Also adjust the end_pos to the end of file and skip writeback
+		 * for all blocks entirely beyond i_size.
 		 */
 		folio_zero_segment(folio, poff, folio_size(folio));
-		*end_pos = round_up(isize, i_blocksize(inode));
+		*end_pos = isize;
 	}
 
 	return true;
···
 	struct inode *inode = folio->mapping->host;
 	u64 pos = folio_pos(folio);
 	u64 end_pos = pos + folio_size(folio);
+	u64 end_aligned = 0;
 	unsigned count = 0;
 	int error = 0;
 	u32 rlen;
···
 	/*
 	 * Walk through the folio to find dirty areas to write back.
 	 */
-	while ((rlen = iomap_find_dirty_range(folio, &pos, end_pos))) {
+	end_aligned = round_up(end_pos, i_blocksize(inode));
+	while ((rlen = iomap_find_dirty_range(folio, &pos, end_aligned))) {
 		error = iomap_writepage_map_blocks(wpc, wbc, folio, inode,
-				pos, rlen, &count);
+				pos, end_pos, rlen, &count);
 		if (error)
 			break;
 		pos += rlen;

fs/jbd2/commit.c

···
 	/*
 	 * If the journal is not located on the file system device,
 	 * then we must flush the file system device before we issue
-	 * the commit record
+	 * the commit record and update the journal tail sequence.
 	 */
-	if (commit_transaction->t_need_data_flush &&
+	if ((commit_transaction->t_need_data_flush || update_tail) &&
 	    (journal->j_fs_dev != journal->j_dev) &&
 	    (journal->j_flags & JBD2_BARRIER))
 		blkdev_issue_flush(journal->j_fs_dev);

fs/jbd2/revoke.c

···
 	set_buffer_jwrite(descriptor);
 	BUFFER_TRACE(descriptor, "write");
 	set_buffer_dirty(descriptor);
-	write_dirty_buffer(descriptor, REQ_SYNC);
+	write_dirty_buffer(descriptor, JBD2_JOURNAL_REQ_FLAGS);
 }
 #endif
 

fs/mount.h

···
 	struct dentry *mnt_mountpoint;
 	struct vfsmount mnt;
 	union {
+		struct rb_node mnt_node; /* node in the ns->mounts rbtree */
 		struct rcu_head mnt_rcu;
 		struct llist_node mnt_llist;
 	};
···
 	struct list_head mnt_child;	/* and going through their mnt_child */
 	struct list_head mnt_instance;	/* mount instance on sb->s_mounts */
 	const char *mnt_devname;	/* Name of device e.g. /dev/dsk/hda1 */
-	union {
-		struct rb_node mnt_node;	/* Under ns->mounts */
-		struct list_head mnt_list;
-	};
+	struct list_head mnt_list;
 	struct list_head mnt_expire;	/* link in fs-specific expiry list */
 	struct list_head mnt_share;	/* circular list of shared mounts */
 	struct list_head mnt_slave_list;/* list of slave mounts */
···
 	return ns->seq == 0;
 }
 
+static inline bool mnt_ns_attached(const struct mount *mnt)
+{
+	return !RB_EMPTY_NODE(&mnt->mnt_node);
+}
+
 static inline void move_from_ns(struct mount *mnt, struct list_head *dt_list)
 {
-	WARN_ON(!(mnt->mnt.mnt_flags & MNT_ONRB));
-	mnt->mnt.mnt_flags &= ~MNT_ONRB;
+	WARN_ON(!mnt_ns_attached(mnt));
 	rb_erase(&mnt->mnt_node, &mnt->mnt_ns->mounts);
+	RB_CLEAR_NODE(&mnt->mnt_node);
 	list_add_tail(&mnt->mnt_list, dt_list);
 }
 

fs/namespace.c

···
 		INIT_HLIST_NODE(&mnt->mnt_mp_list);
 		INIT_LIST_HEAD(&mnt->mnt_umounting);
 		INIT_HLIST_HEAD(&mnt->mnt_stuck_children);
+		RB_CLEAR_NODE(&mnt->mnt_node);
 		mnt->mnt.mnt_idmap = &nop_mnt_idmap;
 	}
 	return mnt;
···
 	struct rb_node **link = &ns->mounts.rb_node;
 	struct rb_node *parent = NULL;
 
-	WARN_ON(mnt->mnt.mnt_flags & MNT_ONRB);
+	WARN_ON(mnt_ns_attached(mnt));
 	mnt->mnt_ns = ns;
 	while (*link) {
 		parent = *link;
···
 	}
 	rb_link_node(&mnt->mnt_node, parent, link);
 	rb_insert_color(&mnt->mnt_node, &ns->mounts);
-	mnt->mnt.mnt_flags |= MNT_ONRB;
 }
 
 /*
···
 	}
 
 	mnt->mnt.mnt_flags = old->mnt.mnt_flags;
-	mnt->mnt.mnt_flags &= ~(MNT_WRITE_HOLD|MNT_MARKED|MNT_INTERNAL|MNT_ONRB);
+	mnt->mnt.mnt_flags &= ~(MNT_WRITE_HOLD|MNT_MARKED|MNT_INTERNAL);
 
 	atomic_inc(&sb->s_active);
 	mnt->mnt.mnt_idmap = mnt_idmap_get(mnt_idmap(&old->mnt));
···
 	/* Gather the mounts to umount */
 	for (p = mnt; p; p = next_mnt(p, mnt)) {
 		p->mnt.mnt_flags |= MNT_UMOUNT;
-		if (p->mnt.mnt_flags & MNT_ONRB)
+		if (mnt_ns_attached(p))
 			move_from_ns(p, &tmp_list);
 		else
 			list_move(&p->mnt_list, &tmp_list);
···
 
 	event++;
 	if (flags & MNT_DETACH) {
-		if (mnt->mnt.mnt_flags & MNT_ONRB ||
-		    !list_empty(&mnt->mnt_list))
+		if (mnt_ns_attached(mnt) || !list_empty(&mnt->mnt_list))
 			umount_tree(mnt, UMOUNT_PROPAGATE);
 		retval = 0;
 	} else {
 		shrink_submounts(mnt);
 		retval = -EBUSY;
 		if (!propagate_mount_busy(mnt, 2)) {
-			if (mnt->mnt.mnt_flags & MNT_ONRB ||
-			    !list_empty(&mnt->mnt_list))
+			if (mnt_ns_attached(mnt) || !list_empty(&mnt->mnt_list))
 				umount_tree(mnt, UMOUNT_PROPAGATE|UMOUNT_SYNC);
 			retval = 0;
 		}
···
 
 static bool is_mnt_ns_file(struct dentry *dentry)
 {
+	struct ns_common *ns;
+
 	/* Is this a proxy for a mount namespace? */
-	return dentry->d_op == &ns_dentry_operations &&
-	       dentry->d_fsdata == &mntns_operations;
+	if (dentry->d_op != &ns_dentry_operations)
+		return false;
+
+	ns = d_inode(dentry)->i_private;
+
+	return ns->ops == &mntns_operations;
 }
 
 struct ns_common *from_mnt_ns(struct mnt_namespace *mnt)

fs/netfs/buffered_read.c

···
 			netfs_stat(&netfs_n_rh_download);
 			if (rreq->netfs_ops->prepare_read) {
 				ret = rreq->netfs_ops->prepare_read(subreq);
-				if (ret < 0) {
-					atomic_dec(&rreq->nr_outstanding);
-					netfs_put_subrequest(subreq, false,
-							     netfs_sreq_trace_put_cancel);
-					break;
-				}
+				if (ret < 0)
+					goto prep_failed;
 				trace_netfs_sreq(subreq, netfs_sreq_trace_prepare);
 			}
 
 			slice = netfs_prepare_read_iterator(subreq);
-			if (slice < 0) {
-				atomic_dec(&rreq->nr_outstanding);
-				netfs_put_subrequest(subreq, false, netfs_sreq_trace_put_cancel);
-				ret = slice;
-				break;
-			}
+			if (slice < 0)
+				goto prep_iter_failed;
 
 			rreq->netfs_ops->issue_read(subreq);
 			goto done;
···
 			trace_netfs_sreq(subreq, netfs_sreq_trace_submit);
 			netfs_stat(&netfs_n_rh_zero);
 			slice = netfs_prepare_read_iterator(subreq);
+			if (slice < 0)
+				goto prep_iter_failed;
 			__set_bit(NETFS_SREQ_CLEAR_TAIL, &subreq->flags);
 			netfs_read_subreq_terminated(subreq, 0, false);
 			goto done;
···
 		if (source == NETFS_READ_FROM_CACHE) {
 			trace_netfs_sreq(subreq, netfs_sreq_trace_submit);
 			slice = netfs_prepare_read_iterator(subreq);
+			if (slice < 0)
+				goto prep_iter_failed;
 			netfs_read_cache_to_pagecache(rreq, subreq);
 			goto done;
 		}
 
 		pr_err("Unexpected read source %u\n", source);
 		WARN_ON_ONCE(1);
+		break;
+
+	prep_iter_failed:
+		ret = slice;
+	prep_failed:
+		subreq->error = ret;
+		atomic_dec(&rreq->nr_outstanding);
+		netfs_put_subrequest(subreq, false, netfs_sreq_trace_put_cancel);
 		break;
 
 	done:

fs/netfs/direct_write.c

···
 		 * allocate a sufficiently large bvec array and may shorten the
 		 * request.
 		 */
-		if (async || user_backed_iter(iter)) {
+		if (user_backed_iter(iter)) {
 			n = netfs_extract_user_iter(iter, len, &wreq->iter, 0);
 			if (n < 0) {
 				ret = n;
···
 			wreq->direct_bv_count = n;
 			wreq->direct_bv_unpin = iov_iter_extract_will_pin(iter);
 		} else {
+			/* If this is a kernel-generated async DIO request,
+			 * assume that any resources the iterator points to
+			 * (eg. a bio_vec array) will persist till the end of
+			 * the op.
+			 */
 			wreq->iter = *iter;
 		}
 
···
 		trace_netfs_rreq(wreq, netfs_rreq_trace_wait_ip);
 		wait_on_bit(&wreq->flags, NETFS_RREQ_IN_PROGRESS,
 			    TASK_UNINTERRUPTIBLE);
-		smp_rmb(); /* Read error/transferred after RIP flag */
 		ret = wreq->error;
 		if (ret == 0) {
 			ret = wreq->transferred;

fs/netfs/read_collect.c

···
 		} else {
 			trace_netfs_folio(folio, netfs_folio_trace_read_done);
 		}
+
+		folioq_clear(folioq, slot);
 	} else {
 		// TODO: Use of PG_private_2 is deprecated.
 		if (test_bit(NETFS_SREQ_COPY_TO_CACHE, &subreq->flags))
 			netfs_pgpriv2_mark_copy_to_cache(subreq, rreq, folioq, slot);
+		else
+			folioq_clear(folioq, slot);
 	}
 
 	if (!test_bit(NETFS_RREQ_DONT_UNLOCK_FOLIOS, &rreq->flags)) {
···
 			folio_unlock(folio);
 		}
 	}
-
-	folioq_clear(folioq, slot);
 }
 
 /*
···
 
 	/* Deal with the trickiest case: that this subreq is in the middle of a
 	 * folio, not touching either edge, but finishes first.  In such a
-	 * case, we donate to the previous subreq, if there is one, so that the
-	 * donation is only handled when that completes - and remove this
-	 * subreq from the list.
+	 * case, we donate to the previous subreq, if there is one and if it is
+	 * contiguous, so that the donation is only handled when that completes
+	 * - and remove this subreq from the list.
 	 *
 	 * If the previous subreq finished first, we will have acquired their
 	 * donation and should be able to unlock folios and/or donate nextwards.
 	 */
 	if (!subreq->consumed &&
 	    !prev_donated &&
-	    !list_is_first(&subreq->rreq_link, &rreq->subrequests)) {
+	    !list_is_first(&subreq->rreq_link, &rreq->subrequests) &&
+	    subreq->start == prev->start + prev->len) {
 		prev = list_prev_entry(subreq, rreq_link);
 		WRITE_ONCE(prev->next_donated, prev->next_donated + subreq->len);
 		subreq->start += subreq->len;
···
 	task_io_account_read(rreq->transferred);
 
 	trace_netfs_rreq(rreq, netfs_rreq_trace_wake_ip);
-	clear_bit_unlock(NETFS_RREQ_IN_PROGRESS, &rreq->flags);
-	wake_up_bit(&rreq->flags, NETFS_RREQ_IN_PROGRESS);
+	clear_and_wake_up_bit(NETFS_RREQ_IN_PROGRESS, &rreq->flags);
 
 	trace_netfs_rreq(rreq, netfs_rreq_trace_done);
 	netfs_clear_subrequests(rreq, false);
···
 	     rreq->origin == NETFS_READPAGE ||
 	     rreq->origin == NETFS_READ_FOR_WRITE)) {
 		netfs_consume_read_data(subreq, was_async);
-		__clear_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags);
+		__set_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
 	}
 }
 EXPORT_SYMBOL(netfs_read_subreq_progress);
···
 		     rreq->origin == NETFS_READPAGE ||
 		     rreq->origin == NETFS_READ_FOR_WRITE)) {
 			netfs_consume_read_data(subreq, was_async);
-			__clear_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags);
+			__set_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
 		}
 		rreq->transferred += subreq->transferred;
 	}
···
 		} else {
 			trace_netfs_sreq(subreq, netfs_sreq_trace_short);
 			if (subreq->transferred > subreq->consumed) {
-				__set_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags);
-				__clear_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags);
-				set_bit(NETFS_RREQ_NEED_RETRY, &rreq->flags);
-			} else if (!__test_and_set_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags)) {
+				/* If we didn't read new data, abandon retry. */
+				if (subreq->retry_count &&
+				    test_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags)) {
+					__set_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags);
+					set_bit(NETFS_RREQ_NEED_RETRY, &rreq->flags);
+				}
+			} else if (test_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags)) {
 				__set_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags);
 				set_bit(NETFS_RREQ_NEED_RETRY, &rreq->flags);
 			} else {

fs/netfs/read_pgpriv2.c

···
 
 	trace_netfs_write(wreq, netfs_write_trace_copy_to_cache);
 	netfs_stat(&netfs_n_wh_copy_to_cache);
+	if (!wreq->io_streams[1].avail) {
+		netfs_put_request(wreq, false, netfs_rreq_trace_put_return);
+		goto couldnt_start;
+	}
 
 	for (;;) {
 		error = netfs_pgpriv2_copy_folio(wreq, folio);

fs/netfs/read_retry.c

···
 	 * up to the first permanently failed one.
 	 */
 	if (!rreq->netfs_ops->prepare_read &&
-	    !test_bit(NETFS_RREQ_COPY_TO_CACHE, &rreq->flags)) {
+	    !rreq->cache_resources.ops) {
 		struct netfs_io_subrequest *subreq;
 
 		list_for_each_entry(subreq, &rreq->subrequests, rreq_link) {
 			if (test_bit(NETFS_SREQ_FAILED, &subreq->flags))
 				break;
 			if (__test_and_clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags)) {
+				__clear_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
+				subreq->retry_count++;
 				netfs_reset_iter(subreq);
 				netfs_reissue_read(rreq, subreq);
 			}
···
 			stream0->sreq_max_len = subreq->len;
 
 			__clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags);
-			__set_bit(NETFS_SREQ_RETRYING, &subreq->flags);
+			__clear_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
+			subreq->retry_count++;
 
 			spin_lock_bh(&rreq->lock);
 			list_add_tail(&subreq->rreq_link, &rreq->subrequests);
···
 			BUG_ON(!len);
 
 			/* Renegotiate max_len (rsize) */
-			if (rreq->netfs_ops->prepare_read(subreq) < 0) {
+			if (rreq->netfs_ops->prepare_read &&
+			    rreq->netfs_ops->prepare_read(subreq) < 0) {
 				trace_netfs_sreq(subreq, netfs_sreq_trace_reprep_failed);
 				__set_bit(NETFS_SREQ_FAILED, &subreq->flags);
 			}
···
 			subreq->error = -ENOMEM;
 		__clear_bit(NETFS_SREQ_FAILED, &subreq->flags);
 		__clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags);
-		__clear_bit(NETFS_SREQ_RETRYING, &subreq->flags);
 	}
 	spin_lock_bh(&rreq->lock);
 	list_splice_tail_init(&queue, &rreq->subrequests);

fs/netfs/write_collect.c

···
 				struct iov_iter source = subreq->io_iter;
 
 				iov_iter_revert(&source, subreq->len - source.count);
-				__set_bit(NETFS_SREQ_RETRYING, &subreq->flags);
 				netfs_get_subrequest(subreq, netfs_sreq_trace_get_resubmit);
 				netfs_reissue_write(stream, subreq, &source);
 			}
···
 			/* Renegotiate max_len (wsize) */
 			trace_netfs_sreq(subreq, netfs_sreq_trace_retry);
 			__clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags);
-			__set_bit(NETFS_SREQ_RETRYING, &subreq->flags);
+			subreq->retry_count++;
 			stream->prepare_write(subreq);
 
 			part = min(len, stream->sreq_max_len);
···
 			subreq->start		= start;
 			subreq->debug_index	= atomic_inc_return(&wreq->subreq_counter);
 			subreq->stream_nr	= to->stream_nr;
-			__set_bit(NETFS_SREQ_RETRYING, &subreq->flags);
+			subreq->retry_count	= 1;
 
 			trace_netfs_sreq_ref(wreq->debug_id, subreq->debug_index,
 					     refcount_read(&subreq->ref),
···
 		goto need_retry;
 	if ((notes & MADE_PROGRESS) && test_bit(NETFS_RREQ_PAUSE, &wreq->flags)) {
 		trace_netfs_rreq(wreq, netfs_rreq_trace_unpause);
-		clear_bit_unlock(NETFS_RREQ_PAUSE, &wreq->flags);
-		wake_up_bit(&wreq->flags, NETFS_RREQ_PAUSE);
+		clear_and_wake_up_bit(NETFS_RREQ_PAUSE, &wreq->flags);
 	}
 
 	if (notes & NEED_REASSESS) {
···
 
 	_debug("finished");
 	trace_netfs_rreq(wreq, netfs_rreq_trace_wake_ip);
-	clear_bit_unlock(NETFS_RREQ_IN_PROGRESS, &wreq->flags);
-	wake_up_bit(&wreq->flags, NETFS_RREQ_IN_PROGRESS);
+	clear_and_wake_up_bit(NETFS_RREQ_IN_PROGRESS, &wreq->flags);
 
 	if (wreq->iocb) {
 		size_t written = min(wreq->transferred, wreq->len);
···
 
 	trace_netfs_sreq(subreq, netfs_sreq_trace_terminated);
 
-	clear_bit_unlock(NETFS_SREQ_IN_PROGRESS, &subreq->flags);
-	wake_up_bit(&subreq->flags, NETFS_SREQ_IN_PROGRESS);
+	clear_and_wake_up_bit(NETFS_SREQ_IN_PROGRESS, &subreq->flags);
 
 	/* If we are at the head of the queue, wake up the collector,
 	 * transferring a ref to it if we were the ones to do so.

fs/netfs/write_issue.c

···
 	iov_iter_advance(source, size);
 	iov_iter_truncate(&subreq->io_iter, size);
 
+	subreq->retry_count++;
+	__clear_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags);
 	__set_bit(NETFS_SREQ_IN_PROGRESS, &subreq->flags);
 	netfs_do_issue_write(stream, subreq);
 }

fs/nfs/fscache.c

···
 static atomic_t nfs_netfs_debug_id;
 static int nfs_netfs_init_request(struct netfs_io_request *rreq, struct file *file)
 {
+	if (!file) {
+		if (WARN_ON_ONCE(rreq->origin != NETFS_PGPRIV2_COPY_TO_CACHE))
+			return -EIO;
+		return 0;
+	}
+
 	rreq->netfs_priv = get_nfs_open_context(nfs_file_open_context(file));
 	rreq->debug_id = atomic_inc_return(&nfs_netfs_debug_id);
 	/* [DEPRECATED] Use PG_private_2 to mark folio being written to the cache. */
···
 
 static void nfs_netfs_free_request(struct netfs_io_request *rreq)
 {
-	put_nfs_open_context(rreq->netfs_priv);
+	if (rreq->netfs_priv)
+		put_nfs_open_context(rreq->netfs_priv);
 }
 
 static struct nfs_netfs_io_data *nfs_netfs_alloc(struct netfs_io_subrequest *sreq)

fs/nfs/pnfs.c

···
 		enum pnfs_iomode *iomode)
 {
 	/* Serialise LAYOUTGET/LAYOUTRETURN */
-	if (atomic_read(&lo->plh_outstanding) != 0)
+	if (atomic_read(&lo->plh_outstanding) != 0 && lo->plh_return_seq == 0)
 		return false;
 	if (test_and_set_bit(NFS_LAYOUT_RETURN_LOCK, &lo->plh_flags))
 		return false;

fs/nfs/super.c

···
 #include "nfs.h"
 #include "netns.h"
 #include "sysfs.h"
+#include "nfs4idmap.h"
 
 #define NFSDBG_FACILITY		NFSDBG_VFS
 

fs/nfsd/export.c

···
 #define	EXPKEY_HASHMAX		(1 << EXPKEY_HASHBITS)
 #define	EXPKEY_HASHMASK		(EXPKEY_HASHMAX -1)
 
-static void expkey_put_work(struct work_struct *work)
+static void expkey_put(struct kref *ref)
 {
-	struct svc_expkey *key =
-		container_of(to_rcu_work(work), struct svc_expkey, ek_rcu_work);
+	struct svc_expkey *key = container_of(ref, struct svc_expkey, h.ref);
 
 	if (test_bit(CACHE_VALID, &key->h.flags) &&
 	    !test_bit(CACHE_NEGATIVE, &key->h.flags))
 		path_put(&key->ek_path);
 	auth_domain_put(key->ek_client);
-	kfree(key);
-}
-
-static void expkey_put(struct kref *ref)
-{
-	struct svc_expkey *key = container_of(ref, struct svc_expkey, h.ref);
-
-	INIT_RCU_WORK(&key->ek_rcu_work, expkey_put_work);
-	queue_rcu_work(system_wq, &key->ek_rcu_work);
+	kfree_rcu(key, ek_rcu);
 }
 
 static int expkey_upcall(struct cache_detail *cd, struct cache_head *h)
···
 					    EXP_STATS_COUNTERS_NUM);
 }
 
-static void svc_export_put_work(struct work_struct *work)
+static void svc_export_put(struct kref *ref)
 {
-	struct svc_export *exp =
-		container_of(to_rcu_work(work), struct svc_export, ex_rcu_work);
-
+	struct svc_export *exp = container_of(ref, struct svc_export, h.ref);
 	path_put(&exp->ex_path);
 	auth_domain_put(exp->ex_client);
 	nfsd4_fslocs_free(&exp->ex_fslocs);
 	export_stats_destroy(exp->ex_stats);
 	kfree(exp->ex_stats);
 	kfree(exp->ex_uuid);
-	kfree(exp);
-}
-
-static void svc_export_put(struct kref *ref)
-{
-	struct svc_export *exp = container_of(ref, struct svc_export, h.ref);
-
-	INIT_RCU_WORK(&exp->ex_rcu_work, svc_export_put_work);
-	queue_rcu_work(system_wq, &exp->ex_rcu_work);
+	kfree_rcu(exp, ex_rcu);
 }
 
 static int svc_export_upcall(struct cache_detail *cd, struct cache_head *h)

fs/nfsd/export.h

···
 	u32			ex_layout_types;
 	struct nfsd4_deviceid_map *ex_devid_map;
 	struct cache_detail	*cd;
-	struct rcu_work		ex_rcu_work;
+	struct rcu_head		ex_rcu;
 	unsigned long		ex_xprtsec_modes;
 	struct export_stats	*ex_stats;
 };
···
 	u32			ek_fsid[6];
 
 	struct path		ek_path;
-	struct rcu_work		ek_rcu_work;
+	struct rcu_head		ek_rcu;
 };
 
 #define EX_ISSYNC(exp)		(!((exp)->ex_flags & NFSEXP_ASYNC))

fs/nfsd/nfs4callback.c

···
 		args.authflavor = clp->cl_cred.cr_flavor;
 		clp->cl_cb_ident = conn->cb_ident;
 	} else {
-		if (!conn->cb_xprt)
+		if (!conn->cb_xprt || !ses)
 			return -EINVAL;
 		clp->cl_cb_session = ses;
 		args.bc_xprt = conn->cb_xprt;
···
 		ses = c->cn_session;
 	}
 	spin_unlock(&clp->cl_lock);
-	if (!c)
-		return;
 
 	err = setup_callback_client(clp, &conn, ses);
 	if (err) {

fs/nfsd/nfs4proc.c

···
 {
 	if (!refcount_dec_and_test(&copy->refcount))
 		return;
-	atomic_dec(&copy->cp_nn->pending_async_copies);
 	kfree(copy->cp_src);
 	kfree(copy);
 }
···
 	set_bit(NFSD4_COPY_F_COMPLETED, &copy->cp_flags);
 	trace_nfsd_copy_async_done(copy);
 	nfsd4_send_cb_offload(copy);
+	atomic_dec(&copy->cp_nn->pending_async_copies);
 	return 0;
 }
 
···
 		/* Arbitrary cap on number of pending async copy operations */
 		if (atomic_inc_return(&nn->pending_async_copies) >
 				(int)rqstp->rq_pool->sp_nrthreads)
-			goto out_err;
+			goto out_dec_async_copy_err;
 		async_copy->cp_src = kmalloc(sizeof(*async_copy->cp_src), GFP_KERNEL);
 		if (!async_copy->cp_src)
-			goto out_err;
+			goto out_dec_async_copy_err;
 		if (!nfs4_init_copy_state(nn, copy))
-			goto out_err;
+			goto out_dec_async_copy_err;
 		memcpy(&result->cb_stateid, &copy->cp_stateid.cs_stid,
 			sizeof(result->cb_stateid));
 		dup_copy_fields(copy, async_copy);
 		async_copy->copy_task = kthread_create(nfsd4_do_async_copy,
 				async_copy, "%s", "copy thread");
 		if (IS_ERR(async_copy->copy_task))
-			goto out_err;
+			goto out_dec_async_copy_err;
 		spin_lock(&async_copy->cp_clp->async_lock);
 		list_add(&async_copy->copies,
 				&async_copy->cp_clp->async_copies);
···
 	trace_nfsd_copy_done(copy, status);
 	release_copy_files(copy);
 	return status;
+out_dec_async_copy_err:
+	if (async_copy)
+		atomic_dec(&nn->pending_async_copies);
 out_err:
 	if (nfsd4_ssc_is_inter(copy)) {
 		/*

fs/nilfs2/btnode.c

···
 	ii->i_flags = 0;
 	memset(&ii->i_bmap_data, 0, sizeof(struct nilfs_bmap));
 	mapping_set_gfp_mask(btnc_inode->i_mapping, GFP_NOFS);
+	btnc_inode->i_mapping->a_ops = &nilfs_buffer_cache_aops;
 }
 
 void nilfs_btnode_cache_clear(struct address_space *btnc)

fs/nilfs2/gcinode.c

···
 
 	inode->i_mode = S_IFREG;
 	mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
-	inode->i_mapping->a_ops = &empty_aops;
+	inode->i_mapping->a_ops = &nilfs_buffer_cache_aops;
 
 	ii->i_flags = 0;
 	nilfs_bmap_init_gc(ii->i_bmap);

fs/nilfs2/inode.c

···
 	.is_partially_uptodate  = block_is_partially_uptodate,
 };
 
+const struct address_space_operations nilfs_buffer_cache_aops = {
+	.invalidate_folio	= block_invalidate_folio,
+};
+
 static int nilfs_insert_inode_locked(struct inode *inode,
 				     struct nilfs_root *root,
 				     unsigned long ino)
···
 	inode = nilfs_iget_locked(sb, root, ino);
 	if (unlikely(!inode))
 		return ERR_PTR(-ENOMEM);
-	if (!(inode->i_state & I_NEW))
+
+	if (!(inode->i_state & I_NEW)) {
+		if (!inode->i_nlink) {
+			iput(inode);
+			return ERR_PTR(-ESTALE);
+		}
 		return inode;
+	}
 
 	err = __nilfs_read_inode(sb, root, ino, inode);
 	if (unlikely(err)) {
···
 	NILFS_I(s_inode)->i_flags = 0;
 	memset(NILFS_I(s_inode)->i_bmap, 0, sizeof(struct nilfs_bmap));
 	mapping_set_gfp_mask(s_inode->i_mapping, GFP_NOFS);
+	s_inode->i_mapping->a_ops = &nilfs_buffer_cache_aops;
 
 	err = nilfs_attach_btree_node_cache(s_inode);
 	if (unlikely(err)) {

fs/nilfs2/namei.c

···
 		inode = NULL;
 	} else {
 		inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino);
+		if (inode == ERR_PTR(-ESTALE)) {
+			nilfs_error(dir->i_sb,
+					"deleted inode referenced: %lu", ino);
+			return ERR_PTR(-EIO);
+		}
 	}
 
 	return d_splice_alias(inode, dentry);

fs/nilfs2/nilfs.h

···
 extern const struct inode_operations nilfs_file_inode_operations;
 extern const struct file_operations nilfs_file_operations;
 extern const struct address_space_operations nilfs_aops;
+extern const struct address_space_operations nilfs_buffer_cache_aops;
 extern const struct inode_operations nilfs_dir_inode_operations;
 extern const struct inode_operations nilfs_special_inode_operations;
 extern const struct inode_operations nilfs_symlink_inode_operations;

fs/notify/fdinfo.c

···
 	size = f->handle_bytes >> 2;
 
 	ret = exportfs_encode_fid(inode, (struct fid *)f->f_handle, &size);
-	if ((ret == FILEID_INVALID) || (ret < 0)) {
-		WARN_ONCE(1, "Can't encode file handler for inotify: %d\n", ret);
+	if ((ret == FILEID_INVALID) || (ret < 0))
 		return;
-	}
 
 	f->handle_type = ret;
 	f->handle_bytes = size * sizeof(u32);

fs/ocfs2/localalloc.c

···
 	start = count = 0;
 	left = le32_to_cpu(alloc->id1.bitmap1.i_total);
 
-	while ((bit_off = ocfs2_find_next_zero_bit(bitmap, left, start)) <
-	       left) {
-		if (bit_off == start) {
+	while (1) {
+		bit_off = ocfs2_find_next_zero_bit(bitmap, left, start);
+		if ((bit_off < left) && (bit_off == start)) {
 			count++;
 			start++;
 			continue;
···
 			}
 		}
 
+		if (bit_off >= left)
+			break;
 		count = 1;
 		start = bit_off + 1;
-	}
-
-	/* clear the contiguous bits until the end boundary */
-	if (count) {
-		blkno = la_start_blk +
-			ocfs2_clusters_to_blocks(osb->sb,
-					start - count);
-
-		trace_ocfs2_sync_local_to_main_free(
-				count, start - count,
-				(unsigned long long)la_start_blk,
-				(unsigned long long)blkno);
-
-		status = ocfs2_release_clusters(handle,
-				main_bm_inode,
-				main_bm_bh, blkno,
-				count);
-		if (status < 0)
-			mlog_errno(status);
 	}
 
 bail:

fs/ocfs2/quota_global.c

···
 	int status = 0;
 
 	trace_ocfs2_get_next_id(from_kqid(&init_user_ns, *qid), type);
-	if (!sb_has_quota_loaded(sb, type)) {
+	if (!sb_has_quota_active(sb, type)) {
 		status = -ESRCH;
 		goto out;
 	}

fs/ocfs2/quota_local.c

···
 	brelse(oinfo->dqi_libh);
 	brelse(oinfo->dqi_lqi_bh);
 	kfree(oinfo);
+	info->dqi_priv = NULL;
 	return status;
 }
 

fs/overlayfs/copy_up.c

···
 	return err;
 }
 
-struct ovl_fh *ovl_encode_real_fh(struct ovl_fs *ofs, struct dentry *real,
+struct ovl_fh *ovl_encode_real_fh(struct ovl_fs *ofs, struct inode *realinode,
 				  bool is_upper)
 {
 	struct ovl_fh *fh;
 	int fh_type, dwords;
 	int buflen = MAX_HANDLE_SZ;
-	uuid_t *uuid = &real->d_sb->s_uuid;
+	uuid_t *uuid = &realinode->i_sb->s_uuid;
 	int err;
 
 	/* Make sure the real fid stays 32bit aligned */
···
 	 * the price or reconnecting the dentry.
 	 */
 	dwords = buflen >> 2;
-	fh_type = exportfs_encode_fh(real, (void *)fh->fb.fid, &dwords, 0);
+	fh_type = exportfs_encode_inode_fh(realinode, (void *)fh->fb.fid,
+					   &dwords, NULL, 0);
 	buflen = (dwords << 2);
 
 	err = -EIO;
-	if (WARN_ON(fh_type < 0) ||
-	    WARN_ON(buflen > MAX_HANDLE_SZ) ||
-	    WARN_ON(fh_type == FILEID_INVALID))
+	if (fh_type < 0 || fh_type == FILEID_INVALID ||
+	    WARN_ON(buflen > MAX_HANDLE_SZ))
 		goto out_err;
 
 	fh->fb.version = OVL_FH_VERSION;
···
 	if (!ovl_can_decode_fh(origin->d_sb))
 		return NULL;
 
-	return ovl_encode_real_fh(ofs, origin, false);
+	return ovl_encode_real_fh(ofs, d_inode(origin), false);
 }
 
 int ovl_set_origin_fh(struct ovl_fs *ofs, const struct ovl_fh *fh,
···
 	const struct ovl_fh *fh;
 	int err;
 
-	fh = ovl_encode_real_fh(ofs, upper, true);
+	fh = ovl_encode_real_fh(ofs, d_inode(upper), true);
 	if (IS_ERR(fh))
 		return PTR_ERR(fh);
 

fs/overlayfs/export.c

···
  *
  * Return 0 for upper file handle, > 0 for lower file handle or < 0 on error.
  */
-static int ovl_check_encode_origin(struct dentry *dentry)
+static int ovl_check_encode_origin(struct inode *inode)
 {
-	struct ovl_fs *ofs = OVL_FS(dentry->d_sb);
+	struct ovl_fs *ofs = OVL_FS(inode->i_sb);
 	bool decodable = ofs->config.nfs_export;
+	struct dentry *dentry;
+	int err;
 
 	/* No upper layer? */
 	if (!ovl_upper_mnt(ofs))
 		return 1;
 
 	/* Lower file handle for non-upper non-decodable */
-	if (!ovl_dentry_upper(dentry) && !decodable)
+	if (!ovl_inode_upper(inode) && !decodable)
 		return 1;
 
 	/* Upper file handle for pure upper */
-	if (!ovl_dentry_lower(dentry))
+	if (!ovl_inode_lower(inode))
 		return 0;
 
 	/*
 	 * Root is never indexed, so if there's an upper layer, encode upper for
 	 * root.
 	 */
-	if (dentry == dentry->d_sb->s_root)
+	if (inode == d_inode(inode->i_sb->s_root))
 		return 0;
 
 	/*
 	 * Upper decodable file handle for non-indexed upper.
 	 */
-	if (ovl_dentry_upper(dentry) && decodable &&
-	    !ovl_test_flag(OVL_INDEX, d_inode(dentry)))
+	if (ovl_inode_upper(inode) && decodable &&
+	    !ovl_test_flag(OVL_INDEX, inode))
 		return 0;
 
 	/*
···
 	 * ovl_connect_layer() will try to make origin's layer "connected" by
 	 * copying up a "connectable" ancestor.
 	 */
-	if (d_is_dir(dentry) && decodable)
-		return ovl_connect_layer(dentry);
+	if (!decodable || !S_ISDIR(inode->i_mode))
+		return 1;
+
+	dentry = d_find_any_alias(inode);
+	if (!dentry)
+		return -ENOENT;
+
+	err = ovl_connect_layer(dentry);
+	dput(dentry);
+	if (err < 0)
+		return err;
 
 	/* Lower file handle for indexed and non-upper dir/non-dir */
 	return 1;
 }
 
-static int ovl_dentry_to_fid(struct ovl_fs *ofs, struct dentry *dentry,
+static int ovl_dentry_to_fid(struct ovl_fs *ofs, struct inode *inode,
 			     u32 *fid, int buflen)
 {
 	struct ovl_fh *fh = NULL;
···
 	 * Check if we should encode a lower or upper file handle and maybe
 	 * copy up an ancestor to make lower file handle connectable.
 	 */
-	err = enc_lower = ovl_check_encode_origin(dentry);
+	err = enc_lower = ovl_check_encode_origin(inode);
 	if (enc_lower < 0)
 		goto fail;
 
 	/* Encode an upper or lower file handle */
-	fh = ovl_encode_real_fh(ofs, enc_lower ? ovl_dentry_lower(dentry) :
-				ovl_dentry_upper(dentry), !enc_lower);
+	fh = ovl_encode_real_fh(ofs, enc_lower ? ovl_inode_lower(inode) :
+				ovl_inode_upper(inode), !enc_lower);
 	if (IS_ERR(fh))
 		return PTR_ERR(fh);
 
···
 	return err;
 
 fail:
-	pr_warn_ratelimited("failed to encode file handle (%pd2, err=%i)\n",
-			    dentry, err);
+	pr_warn_ratelimited("failed to encode file handle (ino=%lu, err=%i)\n",
+			    inode->i_ino, err);
 	goto out;
 }
 
···
 			 struct inode *parent)
 {
 	struct ovl_fs *ofs = OVL_FS(inode->i_sb);
-	struct dentry *dentry;
 	int bytes, buflen = *max_len << 2;
 
 	/* TODO: encode connectable file handles */
 	if (parent)
 		return FILEID_INVALID;
 
-	dentry = d_find_any_alias(inode);
-	if (!dentry)
-		return FILEID_INVALID;
-
-	bytes = ovl_dentry_to_fid(ofs, dentry, fid, buflen);
-	dput(dentry);
+	bytes = ovl_dentry_to_fid(ofs, inode, fid, buflen);
 	if (bytes <= 0)
 		return FILEID_INVALID;
 

fs/overlayfs/namei.c

···
 	struct ovl_fh *fh;
 	int err;
 
-	fh = ovl_encode_real_fh(ofs, real, is_upper);
+	fh = ovl_encode_real_fh(ofs, d_inode(real), is_upper);
 	err = PTR_ERR(fh);
 	if (IS_ERR(fh)) {
 		fh = NULL;
···
 	struct ovl_fh *fh;
 	int err;
 
-	fh = ovl_encode_real_fh(ofs, origin, false);
+	fh = ovl_encode_real_fh(ofs, d_inode(origin), false);
 	if (IS_ERR(fh))
 		return PTR_ERR(fh);
 

fs/overlayfs/overlayfs.h

···
 int ovl_maybe_copy_up(struct dentry *dentry, int flags);
 int ovl_copy_xattr(struct super_block *sb, const struct path *path, struct dentry *new);
 int ovl_set_attr(struct ovl_fs *ofs, struct dentry *upper, struct kstat *stat);
-struct ovl_fh *ovl_encode_real_fh(struct ovl_fs *ofs, struct dentry *real,
+struct ovl_fh *ovl_encode_real_fh(struct ovl_fs *ofs, struct inode *realinode,
 				  bool is_upper);
 struct ovl_fh *ovl_get_origin_fh(struct ovl_fs *ofs, struct dentry *origin);
 int ovl_set_origin_fh(struct ovl_fs *ofs, const struct ovl_fh *fh,

fs/proc/task_mmu.c

···
 		}
 
 		for (; addr != end; addr += PAGE_SIZE, idx++) {
-			unsigned long cur_flags = flags;
+			u64 cur_flags = flags;
 			pagemap_entry_t pme;
 
 			if (folio && (flags & PM_PRESENT) &&

fs/qnx6/inode.c

···
  */
 static const char *qnx6_checkroot(struct super_block *s)
 {
-	static char match_root[2][3] = {".\0\0", "..\0"};
-	int i, error = 0;
+	int error = 0;
 	struct qnx6_dir_entry *dir_entry;
 	struct inode *root = d_inode(s->s_root);
 	struct address_space *mapping = root->i_mapping;
···
 	if (IS_ERR(folio))
 		return "error reading root directory";
 	dir_entry = kmap_local_folio(folio, 0);
-	for (i = 0; i < 2; i++) {
-		/* maximum 3 bytes - due to match_root limitation */
-		if (strncmp(dir_entry[i].de_fname, match_root[i], 3))
-			error = 1;
-	}
+	if (memcmp(dir_entry[0].de_fname, ".", 2) ||
+	    memcmp(dir_entry[1].de_fname, "..", 3))
+		error = 1;
 	folio_release_kmap(folio, dir_entry);
 	if (error)
 		return "error reading root directory.";

fs/smb/client/Kconfig

···
 config CIFS
 	tristate "SMB3 and CIFS support (advanced network filesystem)"
 	depends on INET
-	select NETFS_SUPPORT
 	select NLS
 	select NLS_UCS2_UTILS
 	select CRYPTO

fs/smb/client/cifsfs.c

···
 	cifs_inode = alloc_inode_sb(sb, cifs_inode_cachep, GFP_KERNEL);
 	if (!cifs_inode)
 		return NULL;
-	cifs_inode->cifsAttrs = 0x20;	/* default */
+	cifs_inode->cifsAttrs = ATTR_ARCHIVE;	/* default */
 	cifs_inode->time = 0;
 	/*
 	 * Until the file is open and we have gotten oplock info back from the

fs/smb/client/cifsproto.h

···
 void cifs_free_hash(struct shash_desc **sdesc);
 
 int cifs_try_adding_channels(struct cifs_ses *ses);
-bool is_server_using_iface(struct TCP_Server_Info *server,
-			   struct cifs_server_iface *iface);
 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
 void cifs_ses_mark_for_reconnect(struct cifs_ses *ses);
 

fs/smb/client/cifssmb.c

···
 	}
 
 	if (rdata->result == -ENODATA) {
-		__set_bit(NETFS_SREQ_HIT_EOF, &rdata->subreq.flags);
 		rdata->result = 0;
+		__set_bit(NETFS_SREQ_HIT_EOF, &rdata->subreq.flags);
 	} else {
 		size_t trans = rdata->subreq.transferred + rdata->got_bytes;
 		if (trans < rdata->subreq.len &&
 		    rdata->subreq.start + trans == ictx->remote_i_size) {
-			__set_bit(NETFS_SREQ_HIT_EOF, &rdata->subreq.flags);
 			rdata->result = 0;
+			__set_bit(NETFS_SREQ_HIT_EOF, &rdata->subreq.flags);
+		} else if (rdata->got_bytes > 0) {
+			__set_bit(NETFS_SREQ_MADE_PROGRESS, &rdata->subreq.flags);
 		}
 	}
 
···
 		if (written > wdata->subreq.len)
 			written &= 0xFFFF;
 
-		if (written < wdata->subreq.len)
+		if (written < wdata->subreq.len) {
 			result = -ENOSPC;
-		else
+		} else {
 			result = written;
+			if (written > 0)
+				__set_bit(NETFS_SREQ_MADE_PROGRESS, &wdata->subreq.flags);
+		}
 		break;
 	case MID_REQUEST_SUBMITTED:
 	case MID_RETRY_NEEDED:

fs/smb/client/connect.c

···
 	msleep(125);
 	if (cifs_rdma_enabled(server))
 		smbd_destroy(server);
+
 	if (server->ssocket) {
 		sock_release(server->ssocket);
 		server->ssocket = NULL;
+
+		/* Release netns reference for the socket. */
+		put_net(cifs_net_ns(server));
 	}
 
 	if (!list_empty(&server->pending_mid_q)) {
···
 		 */
 	}
 
+	/* Release netns reference for this server. */
 	put_net(cifs_net_ns(server));
 	kfree(server->leaf_fullpath);
 	kfree(server);
···
 
 	tcp_ses->ops = ctx->ops;
 	tcp_ses->vals = ctx->vals;
+
+	/* Grab netns reference for this server. */
 	cifs_set_net_ns(tcp_ses, get_net(current->nsproxy->net_ns));
 
 	tcp_ses->conn_id = atomic_inc_return(&tcpSesNextId);
···
 out_err_crypto_release:
 	cifs_crypto_secmech_release(tcp_ses);
 
+	/* Release netns reference for this server. */
 	put_net(cifs_net_ns(tcp_ses));
 
 out_err:
···
 			cifs_put_tcp_session(tcp_ses->primary_server, false);
 		kfree(tcp_ses->hostname);
 		kfree(tcp_ses->leaf_fullpath);
-		if (tcp_ses->ssocket)
+		if (tcp_ses->ssocket) {
 			sock_release(tcp_ses->ssocket);
+			put_net(cifs_net_ns(tcp_ses));
+		}
 		kfree(tcp_ses);
 	}
 	return ERR_PTR(rc);
···
 		socket = server->ssocket;
 	} else {
 		struct net *net = cifs_net_ns(server);
-		struct sock *sk;
 
-		rc = __sock_create(net, sfamily, SOCK_STREAM,
-				   IPPROTO_TCP, &server->ssocket, 1);
+		rc = sock_create_kern(net, sfamily, SOCK_STREAM, IPPROTO_TCP, &server->ssocket);
 		if (rc < 0) {
 			cifs_server_dbg(VFS, "Error %d creating socket\n", rc);
 			return rc;
 		}
 
-		sk = server->ssocket->sk;
-		__netns_tracker_free(net, &sk->ns_tracker, false);
-		sk->sk_net_refcnt = 1;
-		get_net_track(net, &sk->ns_tracker, GFP_KERNEL);
-		sock_inuse_add(net, 1);
+		/*
+		 * Grab netns reference for the socket.
+		 *
+		 * It'll be released here, on error, or in clean_demultiplex_info() upon server
+		 * teardown.
+		 */
+		get_net(net);
 
 		/* BB other socket options to set KEEPALIVE, NODELAY? */
 		cifs_dbg(FYI, "Socket created\n");
···
 	}
 
 	rc = bind_socket(server);
-	if (rc < 0)
+	if (rc < 0) {
+		put_net(cifs_net_ns(server));
 		return rc;
+	}
 
 	/*
 	 * Eventually check for other socket options to change from
···
 	if (rc < 0) {
 		cifs_dbg(FYI, "Error %d connecting to server\n", rc);
 		trace_smb3_connect_err(server->hostname, server->conn_id, &server->dstaddr, rc);
+		put_net(cifs_net_ns(server));
 		sock_release(socket);
 		server->ssocket = NULL;
 		return rc;
···
 	trace_smb3_connect_done(server->hostname, server->conn_id, &server->dstaddr);
 	if (sport == htons(RFC1001_PORT))
 		rc = ip_rfc1001_connect(server);
+
+	if (rc < 0)
+		put_net(cifs_net_ns(server));
 
 	return rc;
 }

fs/smb/client/file.c

···
 	}
 
 	/* Get the cached handle as SMB2 close is deferred */
-	rc = cifs_get_readable_path(tcon, full_path, &cfile);
+	if (OPEN_FMODE(file->f_flags) & FMODE_WRITE) {
+		rc = cifs_get_writable_path(tcon, full_path, FIND_WR_FSUID_ONLY, &cfile);
+	} else {
+		rc = cifs_get_readable_path(tcon, full_path, &cfile);
+	}
 	if (rc == 0) {
 		if (file->f_flags == cfile->f_flags) {
 			file->private_data = cfile;

fs/smb/client/namespace.c

···
 	struct smb3_fs_context tmp;
 	char *full_path;
 	struct vfsmount *mnt;
+	struct cifs_sb_info *mntpt_sb;
+	struct cifs_ses *ses;
 
 	if (IS_ROOT(mntpt))
 		return ERR_PTR(-ESTALE);
 
-	cur_ctx = CIFS_SB(mntpt->d_sb)->ctx;
+	mntpt_sb = CIFS_SB(mntpt->d_sb);
+	ses = cifs_sb_master_tcon(mntpt_sb)->ses;
+	cur_ctx = mntpt_sb->ctx;
+
+	/*
+	 * At this point, the root session should be in the mntpt sb. We should
+	 * bring the sb context passwords in sync with the root session's
+	 * passwords. This would help prevent unnecessary retries and password
+	 * swaps for automounts.
+	 */
+	mutex_lock(&ses->session_mutex);
+	rc = smb3_sync_session_ctx_passwords(mntpt_sb, ses);
+	mutex_unlock(&ses->session_mutex);
+
+	if (rc)
+		return ERR_PTR(rc);
 
 	fc = fs_context_for_submount(path->mnt->mnt_sb->s_type, mntpt);
 	if (IS_ERR(fc))

fs/smb/client/sess.c

···
 cifs_ses_add_channel(struct cifs_ses *ses,
 		     struct cifs_server_iface *iface);
 
-bool
-is_server_using_iface(struct TCP_Server_Info *server,
-		      struct cifs_server_iface *iface)
-{
-	struct sockaddr_in *i4 = (struct sockaddr_in *)&iface->sockaddr;
-	struct sockaddr_in6 *i6 = (struct sockaddr_in6 *)&iface->sockaddr;
-	struct sockaddr_in *s4 = (struct sockaddr_in *)&server->dstaddr;
-	struct sockaddr_in6 *s6 = (struct sockaddr_in6 *)&server->dstaddr;
-
-	if (server->dstaddr.ss_family != iface->sockaddr.ss_family)
-		return false;
-	if (server->dstaddr.ss_family == AF_INET) {
-		if (s4->sin_addr.s_addr != i4->sin_addr.s_addr)
-			return false;
-	} else if (server->dstaddr.ss_family == AF_INET6) {
-		if (memcmp(&s6->sin6_addr, &i6->sin6_addr,
-			   sizeof(i6->sin6_addr)) != 0)
-			return false;
-	} else {
-		/* unknown family.. */
-		return false;
-	}
-	return true;
-}
-
 bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface)
 {
 	int i;

fs/smb/client/smb2pdu.c

···
 			__set_bit(NETFS_SREQ_HIT_EOF, &rdata->subreq.flags);
 			rdata->result = 0;
 		}
+		__set_bit(NETFS_SREQ_MADE_PROGRESS, &rdata->subreq.flags);
 	}
 	trace_smb3_rw_credits(rreq_debug_id, subreq_debug_index, rdata->credits.value,
 			      server->credits, server->in_flight,
···
 		if (written > wdata->subreq.len)
 			written &= 0xFFFF;
 
-		if (written < wdata->subreq.len)
+		cifs_stats_bytes_written(tcon, written);
+
+		if (written < wdata->subreq.len) {
 			wdata->result = -ENOSPC;
-		else
+		} else if (written > 0) {
 			wdata->subreq.len = written;
+			__set_bit(NETFS_SREQ_MADE_PROGRESS, &wdata->subreq.flags);
+		}
 		break;
 	case MID_REQUEST_SUBMITTED:
 	case MID_RETRY_NEEDED:
···
 	}
 #endif
 
-	if (test_bit(NETFS_SREQ_RETRYING, &wdata->subreq.flags))
+	if (wdata->subreq.retry_count > 0)
 		smb2_set_replay(server, &rqst);
 
 	cifs_dbg(FYI, "async write at %llu %u bytes iter=%zx\n",
···
 		cifs_dbg(VFS, "Send error in write = %d\n", rc);
 	} else {
 		*nbytes = le32_to_cpu(rsp->DataLength);
+		cifs_stats_bytes_written(io_parms->tcon, *nbytes);
 		trace_smb3_write_done(0, 0, xid,
 				      req->PersistentFileId,
 				      io_parms->tcon->tid,
···
 	req->StructureSize = cpu_to_le16(36);
 	total_len += 12;
 
-	memcpy(req->LeaseKey, lease_key, 16);
+	memcpy(req->LeaseKey, lease_key, SMB2_LEASE_KEY_SIZE);
 	req->LeaseState = lease_state;
 
 	flags |= CIFS_NO_RSP_BUF;

fs/smb/server/connection.c

···
 	atomic_set(&conn->req_running, 0);
 	atomic_set(&conn->r_count, 0);
 	atomic_set(&conn->refcnt, 1);
-	atomic_set(&conn->mux_smb_requests, 0);
 	conn->total_credits = 1;
 	conn->outstanding_credits = 0;
 
···
 	if (conn->ops->get_cmd_val(work) != SMB2_CANCEL_HE)
 		requests_queue = &conn->requests;
 
+	atomic_inc(&conn->req_running);
 	if (requests_queue) {
-		atomic_inc(&conn->req_running);
 		spin_lock(&conn->request_lock);
 		list_add_tail(&work->request_entry, requests_queue);
 		spin_unlock(&conn->request_lock);
···
 {
 	struct ksmbd_conn *conn = work->conn;
 
+	atomic_dec(&conn->req_running);
+	if (waitqueue_active(&conn->req_running_q))
+		wake_up(&conn->req_running_q);
+
 	if (list_empty(&work->request_entry) &&
 	    list_empty(&work->async_request_entry))
 		return;
 
-	atomic_dec(&conn->req_running);
 	spin_lock(&conn->request_lock);
 	list_del_init(&work->request_entry);
 	spin_unlock(&conn->request_lock);
···
 {
 	struct ksmbd_conn *conn = (struct ksmbd_conn *)p;
 	struct ksmbd_transport *t = conn->transport;
-	unsigned int pdu_size, max_allowed_pdu_size;
+	unsigned int pdu_size, max_allowed_pdu_size, max_req;
 	char hdr_buf[4] = {0,};
 	int size;
 
···
 	if (t->ops->prepare && t->ops->prepare(t))
 		goto out;
 
+	max_req = server_conf.max_inflight_req;
 	conn->last_active = jiffies;
 	set_freezable();
 	while (ksmbd_conn_alive(conn)) {
···
 
 		kvfree(conn->request_buf);
 		conn->request_buf = NULL;
+
+recheck:
+		if (atomic_read(&conn->req_running) + 1 > max_req) {
+			wait_event_interruptible(conn->req_running_q,
+				atomic_read(&conn->req_running) < max_req);
+			goto recheck;
+		}
 
 		size = t->ops->read(t, hdr_buf, sizeof(hdr_buf), -1);
 		if (size != sizeof(hdr_buf))

fs/smb/server/connection.h

···
 	__le16				signing_algorithm;
 	bool				binding;
 	atomic_t			refcnt;
-	atomic_t			mux_smb_requests;
 };
 
 struct ksmbd_conn_ops {

fs/smb/server/server.c

···
 
 	ksmbd_conn_try_dequeue_request(work);
 	ksmbd_free_work_struct(work);
-	atomic_dec(&conn->mux_smb_requests);
 	/*
 	 * Checking waitqueue to dropping pending requests on
 	 * disconnection. waitqueue_active is safe because it
···
 	err = ksmbd_init_smb_server(conn);
 	if (err)
 		return 0;
-
-	if (atomic_inc_return(&conn->mux_smb_requests) >= conn->vals->max_credits) {
-		atomic_dec_return(&conn->mux_smb_requests);
-		return -ENOSPC;
-	}
 
 	work = ksmbd_alloc_work_struct();
 	if (!work) {
···
 	server_conf.auth_mechs |= KSMBD_AUTH_KRB5 |
 				KSMBD_AUTH_MSKRB5;
 #endif
+	server_conf.max_inflight_req = SMB2_MAX_CREDITS;
 	return 0;
 }
 

fs/smb/server/server.h

···
 	struct smb_sid		domain_sid;
 	unsigned int		auth_mechs;
 	unsigned int		max_connections;
+	unsigned int		max_inflight_req;
 
 	char			*conf[SERVER_CONF_WORK_GROUP + 1];
 	struct task_struct	*dh_task;

fs/smb/server/smb2pdu.c

···
 	struct smb2_hdr *rsp_hdr;
 	struct ksmbd_work *in_work = ksmbd_alloc_work_struct();
 
+	if (!in_work)
+		return;
+
 	if (allocate_interim_rsp_buf(in_work)) {
 		pr_err("smb_allocate_rsp_buf failed!\n");
 		ksmbd_free_work_struct(in_work);
···
 		return rc;
 	}
 
+	ksmbd_conn_lock(conn);
 	smb2_buf_len = get_rfc1002_len(work->request_buf);
 	smb2_neg_size = offsetof(struct smb2_negotiate_req, Dialects);
 	if (smb2_neg_size > smb2_buf_len) {
···
 	ksmbd_conn_set_need_negotiate(conn);
 
 err_out:
+	ksmbd_conn_unlock(conn);
 	if (rc)
 		rsp->hdr.Status = STATUS_INSUFFICIENT_RESOURCES;
 
···
 		posix_info->DeviceId = cpu_to_le32(ksmbd_kstat->kstat->rdev);
 		posix_info->HardLinks = cpu_to_le32(ksmbd_kstat->kstat->nlink);
 		posix_info->Mode = cpu_to_le32(ksmbd_kstat->kstat->mode & 0777);
+		switch (ksmbd_kstat->kstat->mode & S_IFMT) {
+		case S_IFDIR:
+			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_DIR << POSIX_FILETYPE_SHIFT);
+			break;
+		case S_IFLNK:
+			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_SYMLINK << POSIX_FILETYPE_SHIFT);
+			break;
+		case S_IFCHR:
+			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_CHARDEV << POSIX_FILETYPE_SHIFT);
+			break;
+		case S_IFBLK:
+			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_BLKDEV << POSIX_FILETYPE_SHIFT);
+			break;
+		case S_IFIFO:
+			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_FIFO << POSIX_FILETYPE_SHIFT);
+			break;
+		case S_IFSOCK:
+			posix_info->Mode |= cpu_to_le32(POSIX_TYPE_SOCKET << POSIX_FILETYPE_SHIFT);
+		}
+
 		posix_info->Inode = cpu_to_le64(ksmbd_kstat->kstat->ino);
 		posix_info->DosAttributes =
 			S_ISDIR(ksmbd_kstat->kstat->mode) ?
···
 	file_info->AllocationSize = cpu_to_le64(stat.blocks << 9);
 	file_info->HardLinks = cpu_to_le32(stat.nlink);
 	file_info->Mode = cpu_to_le32(stat.mode & 0777);
+	switch (stat.mode & S_IFMT) {
+	case S_IFDIR:
+		file_info->Mode |= cpu_to_le32(POSIX_TYPE_DIR << POSIX_FILETYPE_SHIFT);
+		break;
+	case S_IFLNK:
+		file_info->Mode |= cpu_to_le32(POSIX_TYPE_SYMLINK << POSIX_FILETYPE_SHIFT);
+		break;
+	case S_IFCHR:
+		file_info->Mode |= cpu_to_le32(POSIX_TYPE_CHARDEV << POSIX_FILETYPE_SHIFT);
+		break;
+	case S_IFBLK:
+		file_info->Mode |= cpu_to_le32(POSIX_TYPE_BLKDEV << POSIX_FILETYPE_SHIFT);
+		break;
+	case S_IFIFO:
+		file_info->Mode |= cpu_to_le32(POSIX_TYPE_FIFO << POSIX_FILETYPE_SHIFT);
+		break;
+	case S_IFSOCK:
+		file_info->Mode |= cpu_to_le32(POSIX_TYPE_SOCKET << POSIX_FILETYPE_SHIFT);
+	}
+
 	file_info->DeviceId = cpu_to_le32(stat.rdev);
 
 	/*

fs/smb/server/smb2pdu.h

···
 	return buf + 4;
 }
 
+#define POSIX_TYPE_FILE		0
+#define POSIX_TYPE_DIR		1
+#define POSIX_TYPE_SYMLINK	2
+#define POSIX_TYPE_CHARDEV	3
+#define POSIX_TYPE_BLKDEV	4
+#define POSIX_TYPE_FIFO		5
+#define POSIX_TYPE_SOCKET	6
+
+#define POSIX_FILETYPE_SHIFT	12
+
 #endif	/* _SMB2PDU_H */

fs/smb/server/transport_ipc.c

···
 		init_smb2_max_write_size(req->smb2_max_write);
 	if (req->smb2_max_trans)
 		init_smb2_max_trans_size(req->smb2_max_trans);
-	if (req->smb2_max_credits)
+	if (req->smb2_max_credits) {
 		init_smb2_max_credits(req->smb2_max_credits);
+		server_conf.max_inflight_req =
+			req->smb2_max_credits;
+	}
 	if (req->smbd_max_io_size)
 		init_smbd_max_io_size(req->smbd_max_io_size);
 

fs/smb/server/transport_rdma.c

···
 
 		ibdev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_UNKNOWN);
 		if (ibdev) {
-			if (rdma_frwr_is_supported(&ibdev->attrs))
-				rdma_capable = true;
+			rdma_capable = rdma_frwr_is_supported(&ibdev->attrs);
 			ib_device_put(ibdev);
 		}
 	}

fs/smb/server/vfs.c

···
 					      filepath,
 					      flags,
 					      path);
+			if (!is_last)
+				next[0] = '/';
 			if (err)
 				goto out2;
 			else if (is_last)
···
 			path_put(parent_path);
 			*parent_path = *path;
 
-			next[0] = '/';
 			remain_len -= filename_len + 1;
 		}
 

fs/xfs/libxfs/xfs_rtgroup.h

···
 }
 
 # define xfs_rtgroup_extents(mp, rgno)		(0)
-# define xfs_update_last_rtgroup_size(mp, rgno)	(-EOPNOTSUPP)
+# define xfs_update_last_rtgroup_size(mp, rgno)	(0)
 # define xfs_rtgroup_lock(rtg, gf)		((void)0)
 # define xfs_rtgroup_unlock(rtg, gf)		((void)0)
 # define xfs_rtgroup_trans_join(tp, rtg, gf)	((void)0)

fs/xfs/xfs_dquot.c

···
 	}
 	spin_unlock(&qlip->qli_lock);
 	if (bp) {
+		xfs_buf_lock(bp);
 		list_del_init(&qlip->qli_item.li_bio_list);
-		xfs_buf_rele(bp);
+		xfs_buf_relse(bp);
 	}
 }
 

include/clocksource/hyperv_timer.h

···
 extern unsigned long hv_get_tsc_pfn(void);
 extern struct ms_hyperv_tsc_page *hv_get_tsc_page(void);
 
+extern void hv_adj_sched_clock_offset(u64 offset);
+
 static __always_inline bool
 hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg,
 		     u64 *cur_tsc, u64 *time)

include/kvm/arm_pmu.h

···
 void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu);
 void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu);
 void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu);
-void kvm_pmu_disable_counter_mask(struct kvm_vcpu *vcpu, u64 val);
-void kvm_pmu_enable_counter_mask(struct kvm_vcpu *vcpu, u64 val);
+void kvm_pmu_reprogram_counter_mask(struct kvm_vcpu *vcpu, u64 val);
 void kvm_pmu_flush_hwstate(struct kvm_vcpu *vcpu);
 void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu);
 bool kvm_pmu_should_notify_user(struct kvm_vcpu *vcpu);
···
 static inline void kvm_pmu_vcpu_init(struct kvm_vcpu *vcpu) {}
 static inline void kvm_pmu_vcpu_reset(struct kvm_vcpu *vcpu) {}
 static inline void kvm_pmu_vcpu_destroy(struct kvm_vcpu *vcpu) {}
-static inline void kvm_pmu_disable_counter_mask(struct kvm_vcpu *vcpu, u64 val) {}
-static inline void kvm_pmu_enable_counter_mask(struct kvm_vcpu *vcpu, u64 val) {}
+static inline void kvm_pmu_reprogram_counter_mask(struct kvm_vcpu *vcpu, u64 val) {}
 static inline void kvm_pmu_flush_hwstate(struct kvm_vcpu *vcpu) {}
 static inline void kvm_pmu_sync_hwstate(struct kvm_vcpu *vcpu) {}
 static inline bool kvm_pmu_should_notify_user(struct kvm_vcpu *vcpu)

include/linux/alloc_tag.h

···
 #else /* CONFIG_MEM_ALLOC_PROFILING_DEBUG */
 
 static inline bool is_codetag_empty(union codetag_ref *ref) { return false; }
-static inline void set_codetag_empty(union codetag_ref *ref) {}
+
+static inline void set_codetag_empty(union codetag_ref *ref)
+{
+	if (ref)
+		ref->ct = NULL;
+}
 
 #endif /* CONFIG_MEM_ALLOC_PROFILING_DEBUG */
 
···
 #ifdef CONFIG_MEM_ALLOC_PROFILING_DEBUG
 static inline void alloc_tag_add_check(union codetag_ref *ref, struct alloc_tag *tag)
 {
-	WARN_ONCE(ref && ref->ct,
+	WARN_ONCE(ref && ref->ct && !is_codetag_empty(ref),
 		  "alloc_tag was not cleared (got tag for %s:%u)\n",
 		  ref->ct->filename, ref->ct->lineno);
 

include/linux/arm_ffa.h

···
 	return dev_get_drvdata(&fdev->dev);
 }
 
+struct ffa_partition_info;
+
 #if IS_REACHABLE(CONFIG_ARM_FFA_TRANSPORT)
-struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id,
-				       const struct ffa_ops *ops);
+struct ffa_device *
+ffa_device_register(const struct ffa_partition_info *part_info,
+		    const struct ffa_ops *ops);
 void ffa_device_unregister(struct ffa_device *ffa_dev);
 int ffa_driver_register(struct ffa_driver *driver, struct module *owner,
 			const char *mod_name);
···
 bool ffa_device_is_valid(struct ffa_device *ffa_dev);
 
 #else
-static inline
-struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id,
-				       const struct ffa_ops *ops)
+static inline struct ffa_device *
+ffa_device_register(const struct ffa_partition_info *part_info,
+		    const struct ffa_ops *ops)
 {
 	return NULL;
 }

include/linux/bus/stm32_firewall_device.h

···
 #else /* CONFIG_STM32_FIREWALL */
 
 int stm32_firewall_get_firewall(struct device_node *np, struct stm32_firewall *firewall,
-				unsigned int nb_firewall);
+				unsigned int nb_firewall)
 {
 	return -ENODEV;
 }

include/linux/cacheinfo.h

···
 
 #ifndef CONFIG_ARCH_HAS_CPU_CACHE_ALIASING
 #define cpu_dcache_is_aliasing()	false
+#define cpu_icache_is_aliasing()	cpu_dcache_is_aliasing()
 #else
 #include <asm/cachetype.h>
+
+#ifndef cpu_icache_is_aliasing
+#define cpu_icache_is_aliasing()	cpu_dcache_is_aliasing()
+#endif
+
 #endif
 
 #endif /* _LINUX_CACHEINFO_H */

include/linux/compiler.h

···
 
 #endif /* __KERNEL__ */
 
-/*
- * Force the compiler to emit 'sym' as a symbol, so that we can reference
- * it from inline assembler. Necessary in case 'sym' could be inlined
- * otherwise, or eliminated entirely due to lack of references that are
- * visible to the compiler.
- */
-#define ___ADDRESSABLE(sym, __attrs) \
-	static void * __used __attrs \
-	__UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)(uintptr_t)&sym;
-#define __ADDRESSABLE(sym) \
-	___ADDRESSABLE(sym, __section(".discard.addressable"))
-
 /**
  * offset_to_ptr - convert a relative memory offset to an absolute pointer
  * @off:	the address of the 32-bit offset value
···
 }
 
 #endif /* __ASSEMBLY__ */
+
+#ifdef CONFIG_64BIT
+#define ARCH_SEL(a,b) a
+#else
+#define ARCH_SEL(a,b) b
+#endif
+
+/*
+ * Force the compiler to emit 'sym' as a symbol, so that we can reference
+ * it from inline assembler. Necessary in case 'sym' could be inlined
+ * otherwise, or eliminated entirely due to lack of references that are
+ * visible to the compiler.
+ */
+#define ___ADDRESSABLE(sym, __attrs)						\
+	static void * __used __attrs						\
+	__UNIQUE_ID(__PASTE(__addressable_,sym)) = (void *)(uintptr_t)&sym;
+
+#define __ADDRESSABLE(sym) \
+	___ADDRESSABLE(sym, __section(".discard.addressable"))
+
+#define __ADDRESSABLE_ASM(sym)						\
+	.pushsection .discard.addressable,"aw";				\
+	.align ARCH_SEL(8,4);						\
+	ARCH_SEL(.quad, .long) __stringify(sym);			\
+	.popsection;
+
+#define __ADDRESSABLE_ASM_STR(sym) __stringify(__ADDRESSABLE_ASM(sym))
 
 #ifdef __CHECKER__
 #define __BUILD_BUG_ON_ZERO_MSG(e, msg) (0)

include/linux/dmaengine.h

···
 	DMA_TRANS_NONE,
 };
 
-/**
+/*
  * Interleaved Transfer Request
  * ----------------------------
  * A chunk is collection of contiguous bytes to be transferred.
···
 };
 
 /**
- * enum pq_check_flags - result of async_{xor,pq}_zero_sum operations
+ * enum sum_check_flags - result of async_{xor,pq}_zero_sum operations
  * @SUM_CHECK_P_RESULT - 1 if xor zero sum error, 0 otherwise
  * @SUM_CHECK_Q_RESULT - 1 if reed-solomon zero sum error, 0 otherwise
  */
···
  *	pointer to the engine's metadata area
  *   4. Read out the metadata from the pointer
  *
- * Note: the two mode is not compatible and clients must use one mode for a
+ * Warning: the two modes are not compatible and clients must use one mode for a
  * descriptor.
  */
 enum dma_desc_metadata_mode {
···
  * @phys: physical address of the descriptor
  * @chan: target channel for this operation
  * @tx_submit: accept the descriptor, assign ordered cookie and mark the
+ * @desc_free: driver's callback function to free a resusable descriptor
+ *	after completion
  * descriptor pending. To be pushed on .issue_pending() call
  * @callback: routine to call after this operation is complete
+ * @callback_result: error result from a DMA transaction
  * @callback_param: general parameter to pass to the callback routine
+ * @unmap: hook for generic DMA unmap data
  * @desc_metadata_mode: core managed metadata mode to protect mixed use of
  *	DESC_METADATA_CLIENT or DESC_METADATA_ENGINE. Otherwise
  *	DESC_METADATA_NONE
···
  * @device_prep_dma_memset: prepares a memset operation
  * @device_prep_dma_memset_sg: prepares a memset operation over a scatter list
  * @device_prep_dma_interrupt: prepares an end of chain interrupt operation
+ * @device_prep_peripheral_dma_vec: prepares a scatter-gather DMA transfer,
+ *	where the address and size of each segment is located in one entry of
+ *	the dma_vec array.
  * @device_prep_slave_sg: prepares a slave dma operation
  * @device_prep_dma_cyclic: prepare a cyclic dma operation suitable for audio.
  *	The function takes a buffer of size buf_len. The callback function will

include/linux/fortify-string.h

···
 	return false;
 }
 
+/*
+ * To work around what seems to be an optimizer bug, the macro arguments
+ * need to have const copies or the values end up changed by the time they
+ * reach fortify_warn_once(). See commit 6f7630b1b5bc ("fortify: Capture
+ * __bos() results in const temp vars") for more details.
+ */
 #define __fortify_memcpy_chk(p, q, size, p_size, q_size,		\
 			     p_size_field, q_size_field, op) ({		\
 	const size_t __fortify_size = (size_t)(size);			\
···
 	const size_t __q_size = (q_size);				\
 	const size_t __p_size_field = (p_size_field);			\
 	const size_t __q_size_field = (q_size_field);			\
+	/* Keep a mutable version of the size for the final copy. */	\
+	size_t __copy_size = __fortify_size;				\
 	fortify_warn_once(fortify_memcpy_chk(__fortify_size, __p_size,	\
 				     __q_size, __p_size_field,		\
 				     __q_size_field, FORTIFY_FUNC_ ##op), \
···
 		  __fortify_size,					\
 		  "field \"" #p "\" at " FILE_LINE,			\
 		  __p_size_field);					\
-	__underlying_##op(p, q, __fortify_size);			\
+	/* Hide only the run-time size from value range tracking to */	\
+	/* silence compile-time false positive bounds warnings. */	\
+	if (!__builtin_constant_p(__copy_size))				\
+		OPTIMIZER_HIDE_VAR(__copy_size);			\
+	__underlying_##op(p, q, __copy_size);				\
 })
 
 /*

include/linux/highmem.h

···
 struct folio *vma_alloc_zeroed_movable_folio(struct vm_area_struct *vma,
 				   unsigned long vaddr)
 {
-	return vma_alloc_folio(GFP_HIGHUSER_MOVABLE | __GFP_ZERO, 0, vma, vaddr);
+	struct folio *folio;
+
+	folio = vma_alloc_folio(GFP_HIGHUSER_MOVABLE, 0, vma, vaddr);
+	if (folio && user_alloc_needs_zeroing())
+		clear_user_highpage(&folio->page, vaddr);
+
+	return folio;
 }
 #endif
 

include/linux/hyperv.h

···
 	void *channel;
 	void (*util_cb)(void *);
 	int (*util_init)(struct hv_util_service *);
+	int (*util_init_transport)(void);
 	void (*util_deinit)(void);
 	int (*util_pre_suspend)(void);
 	int (*util_pre_resume)(void);

include/linux/if_vlan.h

···
  * vlan_get_protocol - get protocol EtherType.
  * @skb: skbuff to query
  * @type: first vlan protocol
+ * @mac_offset: MAC offset
  * @depth: buffer to store length of eth and vlan tags in bytes
  *
  * Returns the EtherType of the packet, regardless of whether it is
  * vlan encapsulated (normal or hardware accelerated) or not.
  */
-static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type,
-					 int *depth)
+static inline __be16 __vlan_get_protocol_offset(const struct sk_buff *skb,
+						__be16 type,
+						int mac_offset,
+						int *depth)
 {
 	unsigned int vlan_depth = skb->mac_len, parse_depth = VLAN_MAX_DEPTH;
 
···
 		do {
 			struct vlan_hdr vhdr, *vh;
 
-			vh = skb_header_pointer(skb, vlan_depth, sizeof(vhdr), &vhdr);
+			vh = skb_header_pointer(skb, mac_offset + vlan_depth,
+						sizeof(vhdr), &vhdr);
 			if (unlikely(!vh || !--parse_depth))
 				return 0;
 
···
 		*depth = vlan_depth;
 
 	return type;
+}
+
+static inline __be16 __vlan_get_protocol(const struct sk_buff *skb, __be16 type,
+					 int *depth)
+{
+	return __vlan_get_protocol_offset(skb, type, 0, depth);
 }
 
 /**

include/linux/io_uring.h

···
 
 static inline void io_uring_files_cancel(void)
 {
-	if (current->io_uring) {
-		io_uring_unreg_ringfd();
+	if (current->io_uring)
 		__io_uring_cancel(false);
-	}
 }
 static inline void io_uring_task_cancel(void)
 {

include/linux/io_uring/cmd.h

···
 	u8		pdu[32]; /* available inline for free use */
 };
 
+struct io_uring_cmd_data {
+	struct io_uring_sqe	sqes[2];
+	void			*op_data;
+};
+
 static inline const void *io_uring_sqe_cmd(const struct io_uring_sqe *sqe)
 {
 	return sqe->cmd;
···
 static inline struct task_struct *io_uring_cmd_get_task(struct io_uring_cmd *cmd)
 {
 	return cmd_to_io_kiocb(cmd)->tctx->task;
+}
+
+static inline struct io_uring_cmd_data *io_uring_cmd_get_async_data(struct io_uring_cmd *cmd)
+{
+	return cmd_to_io_kiocb(cmd)->async_data;
 }
 
 #endif /* _LINUX_IO_URING_CMD_H */

include/linux/io_uring_types.h

···
 
 	/* timeouts */
 	struct {
-		spinlock_t		timeout_lock;
+		raw_spinlock_t		timeout_lock;
 		struct list_head	timeout_list;
 		struct list_head	ltimeout_list;
 		unsigned		cq_last_tm_flush;

include/linux/iomap.h

···
 	u16			io_type;
 	u16			io_flags;	/* IOMAP_F_* */
 	struct inode		*io_inode;	/* file being written to */
-	size_t			io_size;	/* size of the extent */
+	size_t			io_size;	/* size of data within eof */
 	loff_t			io_offset;	/* offset in the file */
 	sector_t		io_sector;	/* start sector of ioend */
 	struct bio		io_bio;		/* MUST BE LAST! */

include/linux/memfd.h

···
 #ifdef CONFIG_MEMFD_CREATE
 extern long memfd_fcntl(struct file *file, unsigned int cmd, unsigned int arg);
 struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx);
+unsigned int *memfd_file_seals_ptr(struct file *file);
 #else
 static inline long memfd_fcntl(struct file *f, unsigned int c, unsigned int a)
 {
···
 {
 	return ERR_PTR(-EINVAL);
 }
+
+static inline unsigned int *memfd_file_seals_ptr(struct file *file)
+{
+	return NULL;
+}
 #endif
+
+/* Retrieve memfd seals associated with the file, if any. */
+static inline unsigned int memfd_file_seals(struct file *file)
+{
+	unsigned int *sealsp = memfd_file_seals_ptr(file);
+
+	return sealsp ? *sealsp : 0;
+}
 
 #endif /* __LINUX_MEMFD_H */

include/linux/mlx5/driver.h

···
 	 * creation/deletion on drivers rescan. Unset during device attach.
 	 */
 	MLX5_PRIV_FLAGS_DETACH = 1 << 2,
+	MLX5_PRIV_FLAGS_SWITCH_LEGACY = 1 << 3,
 };
 
 struct mlx5_adev {
···
 static inline bool mlx5_core_is_vf(const struct mlx5_core_dev *dev)
 {
 	return dev->coredev_type == MLX5_COREDEV_VF;
+}
+
+static inline bool mlx5_core_same_coredev_type(const struct mlx5_core_dev *dev1,
+					       const struct mlx5_core_dev *dev2)
+{
+	return dev1->coredev_type == dev2->coredev_type;
 }
 
 static inline bool mlx5_core_is_ecpf(const struct mlx5_core_dev *dev)

include/linux/mlx5/mlx5_ifc.h

···
 	u8	   migration_in_chunks[0x1];
 	u8	   reserved_at_d1[0x1];
 	u8	   sf_eq_usage[0x1];
-	u8	   reserved_at_d3[0xd];
+	u8	   reserved_at_d3[0x5];
+	u8	   multiplane[0x1];
+	u8	   reserved_at_d9[0x7];
 
 	u8	   cross_vhca_object_to_object_supported[0x20];
 

include/linux/mm.h

···
 #include <linux/kasan.h>
 #include <linux/memremap.h>
 #include <linux/slab.h>
+#include <linux/cacheinfo.h>
 
 struct mempolicy;
 struct anon_vma;
···
 	lruvec_stat_sub_folio(folio, NR_PAGETABLE);
 }
 
-pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp);
+pte_t *___pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp);
+static inline pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr,
+			pmd_t *pmdvalp)
+{
+	pte_t *pte;
+
+	__cond_lock(RCU, pte = ___pte_offset_map(pmd, addr, pmdvalp));
+	return pte;
+}
 static inline pte_t *pte_offset_map(pmd_t *pmd, unsigned long addr)
 {
 	return __pte_offset_map(pmd, addr, NULL);
···
 {
 	pte_t *pte;
 
-	__cond_lock(*ptlp, pte = __pte_offset_map_lock(mm, pmd, addr, ptlp));
+	__cond_lock(RCU, __cond_lock(*ptlp,
+			pte = __pte_offset_map_lock(mm, pmd, addr, ptlp)));
 	return pte;
 }
 
···
 	if (!pmd_ptlock_init(ptdesc))
 		return false;
 	__folio_set_pgtable(folio);
+	ptdesc_pmd_pts_init(ptdesc);
 	lruvec_stat_add_folio(folio, NR_PAGETABLE);
 	return true;
 }
···
 static inline void mem_dump_obj(void *object) {}
 #endif
 
+static inline bool is_write_sealed(int seals)
+{
+	return seals & (F_SEAL_WRITE | F_SEAL_FUTURE_WRITE);
+}
+
+/**
+ * is_readonly_sealed - Checks whether write-sealed but mapped read-only,
+ *                      in which case writes should be disallowing moving
+ *                      forwards.
+ * @seals: the seals to check
+ * @vm_flags: the VMA flags to check
+ *
+ * Returns whether readonly sealed, in which case writess should be disallowed
+ * going forward.
+ */
+static inline bool is_readonly_sealed(int seals, vm_flags_t vm_flags)
+{
+	/*
+	 * Since an F_SEAL_[FUTURE_]WRITE sealed memfd can be mapped as
+	 * MAP_SHARED and read-only, take care to not allow mprotect to
+	 * revert protections on such mappings. Do this only for shared
+	 * mappings. For private mappings, don't need to mask
+	 * VM_MAYWRITE as we still want them to be COW-writable.
+	 */
+	if (is_write_sealed(seals) &&
+	    ((vm_flags & (VM_SHARED | VM_WRITE)) == VM_SHARED))
+		return true;
+
+	return false;
+}
+
 /**
  * seal_check_write - Check for F_SEAL_WRITE or F_SEAL_FUTURE_WRITE flags and
  *                    handle them.
···
  */
 static inline int seal_check_write(int seals, struct vm_area_struct *vma)
 {
-	if (seals & (F_SEAL_WRITE | F_SEAL_FUTURE_WRITE)) {
-		/*
-		 * New PROT_WRITE and MAP_SHARED mmaps are not allowed when
-		 * write seals are active.
-		 */
-		if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
-			return -EPERM;
+	if (!is_write_sealed(seals))
+		return 0;
 
-		/*
-		 * Since an F_SEAL_[FUTURE_]WRITE sealed memfd can be mapped as
-		 * MAP_SHARED and read-only, take care to not allow mprotect to
-		 * revert protections on such mappings. Do this only for shared
-		 * mappings. For private mappings, don't need to mask
-		 * VM_MAYWRITE as we still want them to be COW-writable.
-		 */
-		if (vma->vm_flags & VM_SHARED)
-			vm_flags_clear(vma, VM_MAYWRITE);
-	}
+	/*
+	 * New PROT_WRITE and MAP_SHARED mmaps are not allowed when
+	 * write seals are active.
+	 */
+	if ((vma->vm_flags & VM_SHARED) && (vma->vm_flags & VM_WRITE))
+		return -EPERM;
 
 	return 0;
 }
···
 	return 0;
 }
 #endif
+
+/*
+ * user_alloc_needs_zeroing checks if a user folio from page allocator needs to
+ * be zeroed or not.
+ */
+static inline bool user_alloc_needs_zeroing(void)
+{
+	/*
+	 * for user folios, arch with cache aliasing requires cache flush and
+	 * arc changes folio->flags to make icache coherent with dcache, so
+	 * always return false to make caller use
+	 * clear_user_page()/clear_user_highpage().
+	 */
+	return cpu_dcache_is_aliasing() || cpu_icache_is_aliasing() ||
+	       !static_branch_maybe(CONFIG_INIT_ON_ALLOC_DEFAULT_ON,
+				   &init_on_alloc);
+}
 
 int arch_get_shadow_stack_status(struct task_struct *t, unsigned long __user *status);
 int arch_set_shadow_stack_status(struct task_struct *t, unsigned long status);

include/linux/mm_types.h

···
  * @pt_index:         Used for s390 gmap.
  * @pt_mm:            Used for x86 pgds.
  * @pt_frag_refcount: For fragmented page table tracking. Powerpc only.
+ * @pt_share_count:   Used for HugeTLB PMD page table share count.
  * @_pt_pad_2:        Padding to ensure proper alignment.
  * @ptl:              Lock for the page table.
  * @__page_type:      Same as page->page_type. Unused for page tables.
···
 		pgoff_t pt_index;
 		struct mm_struct *pt_mm;
 		atomic_t pt_frag_refcount;
+#ifdef CONFIG_HUGETLB_PMD_PAGE_TABLE_SHARING
+		atomic_t pt_share_count;
+#endif
 	};
 
 	union {
···
 #define page_ptdesc(p)			(_Generic((p),			\
 	const struct page *:		(const struct ptdesc *)(p),	\
 	struct page *:			(struct ptdesc *)(p)))
+
+#ifdef CONFIG_HUGETLB_PMD_PAGE_TABLE_SHARING
+static inline void ptdesc_pmd_pts_init(struct ptdesc *ptdesc)
+{
+	atomic_set(&ptdesc->pt_share_count, 0);
+}
+
+static inline void ptdesc_pmd_pts_inc(struct ptdesc *ptdesc)
+{
+	atomic_inc(&ptdesc->pt_share_count);
+}
+
+static inline void ptdesc_pmd_pts_dec(struct ptdesc *ptdesc)
+{
+	atomic_dec(&ptdesc->pt_share_count);
+}
+
+static inline int ptdesc_pmd_pts_count(struct ptdesc *ptdesc)
+{
+	return atomic_read(&ptdesc->pt_share_count);
+}
+#else
+static inline void ptdesc_pmd_pts_init(struct ptdesc *ptdesc)
+{
+}
+#endif
 
 /*
  * Used for sizing the vmemmap region on some architectures

include/linux/mount.h

···
 #define MNT_ATIME_MASK (MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME )
 
 #define MNT_INTERNAL_FLAGS (MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | \
-			    MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED | MNT_ONRB)
+			    MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED)
 
 #define MNT_INTERNAL	0x4000
 
···
 #define MNT_SYNC_UMOUNT		0x2000000
 #define MNT_MARKED		0x4000000
 #define MNT_UMOUNT		0x8000000
-#define MNT_ONRB		0x10000000
 
 struct vfsmount {
 	struct dentry *mnt_root;	/* root of the mounted tree */

include/linux/netfs.h

···
 	short			error;		/* 0 or error that occurred */
 	unsigned short		debug_index;	/* Index in list (for debugging output) */
 	unsigned int		nr_segs;	/* Number of segs in io_iter */
+	u8			retry_count;	/* The number of retries (0 on initial pass) */
 	enum netfs_io_source	source;		/* Where to read from/write to */
 	unsigned char		stream_nr;	/* I/O stream this belongs to */
 	unsigned char		curr_folioq_slot; /* Folio currently being read */
···
 #define NETFS_SREQ_COPY_TO_CACHE	0	/* Set if should copy the data to the cache */
 #define NETFS_SREQ_CLEAR_TAIL		1	/* Set if the rest of the read should be cleared */
 #define NETFS_SREQ_SEEK_DATA_READ	3	/* Set if ->read() should SEEK_DATA first */
-#define NETFS_SREQ_NO_PROGRESS		4	/* Set if we didn't manage to read any data */
+#define NETFS_SREQ_MADE_PROGRESS	4	/* Set if we transferred at least some data */
 #define NETFS_SREQ_ONDEMAND		5	/* Set if it's from on-demand read mode */
 #define NETFS_SREQ_BOUNDARY		6	/* Set if ends on hard boundary (eg. ceph object) */
 #define NETFS_SREQ_HIT_EOF		7	/* Set if short due to EOF */
 #define NETFS_SREQ_IN_PROGRESS		8	/* Unlocked when the subrequest completes */
 #define NETFS_SREQ_NEED_RETRY		9	/* Set if the filesystem requests a retry */
-#define NETFS_SREQ_RETRYING		10	/* Set if we're retrying */
-#define NETFS_SREQ_FAILED		11	/* Set if the subreq failed unretryably */
+#define NETFS_SREQ_FAILED		10	/* Set if the subreq failed unretryably */
 };
 
 enum netfs_io_origin {
···
 	size_t			prev_donated;	/* Fallback for subreq->prev_donated */
 	refcount_t		ref;
 	unsigned long		flags;
-#define NETFS_RREQ_COPY_TO_CACHE	1	/* Need to write to the cache */
 #define NETFS_RREQ_NO_UNLOCK_FOLIO	2	/* Don't unlock no_unlock_folio on completion */
 #define NETFS_RREQ_DONT_UNLOCK_FOLIOS	3	/* Don't unlock the folios on completion */
 #define NETFS_RREQ_FAILED		4	/* The request failed */

include/linux/page-flags.h

···
 	ClearPageHead(page);
 }
 FOLIO_FLAG(large_rmappable, FOLIO_SECOND_PAGE)
-FOLIO_TEST_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
-/*
- * PG_partially_mapped is protected by deferred_split split_queue_lock,
- * so its safe to use non-atomic set/clear.
- */
-__FOLIO_SET_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
-__FOLIO_CLEAR_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
+FOLIO_FLAG(partially_mapped, FOLIO_SECOND_PAGE)
 #else
 FOLIO_FLAG_FALSE(large_rmappable)
-FOLIO_TEST_FLAG_FALSE(partially_mapped)
-__FOLIO_SET_FLAG_NOOP(partially_mapped)
-__FOLIO_CLEAR_FLAG_NOOP(partially_mapped)
+FOLIO_FLAG_FALSE(partially_mapped)
 #endif
 
 #define PG_head_mask ((1UL << PG_head))

include/linux/percpu-defs.h

···
 } while (0)
 
 #define PERCPU_PTR(__p)							\
-({									\
-	unsigned long __pcpu_ptr = (__force unsigned long)(__p);	\
-	(typeof(*(__p)) __force __kernel *)(__pcpu_ptr);		\
-})
+	(typeof(*(__p)) __force __kernel *)((__force unsigned long)(__p))
 
 #ifdef CONFIG_SMP
 

include/linux/platform_data/amd_qdma.h

···
  * @max_mm_channels: Maximum number of MM DMA channels in each direction
  * @device_map: DMA slave map
  * @irq_index: The index of first IRQ
+ * @dma_dev: The device pointer for dma operations
  */
 struct qdma_platdata {
 	u32			max_mm_channels;
 	u32			irq_index;
 	struct dma_slave_map	*device_map;
+	struct device		*dma_dev;
 };
 
 #endif /* _PLATDATA_AMD_QDMA_H */

include/linux/poll.h

···
 
 struct poll_table_struct;
 
-/* 
+/*
  * structures and helpers for f_op->poll implementations
  */
 typedef void (*poll_queue_proc)(struct file *, wait_queue_head_t *, struct poll_table_struct *);
 
 /*
- * Do not touch the structure directly, use the access functions
- * poll_does_not_wait() and poll_requested_events() instead.
+ * Do not touch the structure directly, use the access function
+ * poll_requested_events() instead.
  */
 typedef struct poll_table_struct {
 	poll_queue_proc _qproc;
···
 
 static inline void poll_wait(struct file * filp, wait_queue_head_t * wait_address, poll_table *p)
 {
-	if (p && p->_qproc && wait_address)
+	if (p && p->_qproc) {
 		p->_qproc(filp, wait_address, p);
-}
-
-/*
- * Return true if it is guaranteed that poll will not wait. This is the case
- * if the poll() of another file descriptor in the set got an event, so there
- * is no need for waiting.
- */
-static inline bool poll_does_not_wait(const poll_table *p)
-{
-	return p == NULL || p->_qproc == NULL;
+		/*
+		 * This memory barrier is paired in the wq_has_sleeper().
+		 * See the comment above prepare_to_wait(), we need to
+		 * ensure that subsequent tests in this thread can't be
+		 * reordered with __add_wait_queue() in _qproc() paths.
+		 */
+		smp_mb();
+	}
 }
 
 /*

include/linux/regulator/consumer.h

···
 void regulator_put(struct regulator *regulator);
 void devm_regulator_put(struct regulator *regulator);
 
-#if IS_ENABLED(CONFIG_OF)
-struct regulator *__must_check of_regulator_get_optional(struct device *dev,
-							 struct device_node *node,
-							 const char *id);
-struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
-							      struct device_node *node,
-							      const char *id);
-#else
-static inline struct regulator *__must_check of_regulator_get_optional(struct device *dev,
-								       struct device_node *node,
-								       const char *id)
-{
-	return ERR_PTR(-ENODEV);
-}
-
-static inline struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
-									    struct device_node *node,
-									    const char *id)
-{
-	return ERR_PTR(-ENODEV);
-}
-#endif
-
 int regulator_register_supply_alias(struct device *dev, const char *id,
 				    struct device *alias_dev,
 				    const char *alias_id);
···
 
 int __must_check regulator_bulk_get(struct device *dev, int num_consumers,
 				    struct regulator_bulk_data *consumers);
-int __must_check of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
-					   struct regulator_bulk_data **consumers);
 int __must_check devm_regulator_bulk_get(struct device *dev, int num_consumers,
 					 struct regulator_bulk_data *consumers);
 void devm_regulator_bulk_put(struct regulator_bulk_data *consumers);
···
 	return ERR_PTR(-ENODEV);
 }
 
-static inline struct regulator *__must_check of_regulator_get_optional(struct device *dev,
-								       struct device_node *node,
-								       const char *id)
-{
-	return ERR_PTR(-ENODEV);
-}
-
-static inline struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
-									    struct device_node *node,
-									    const char *id)
-{
-	return ERR_PTR(-ENODEV);
-}
-
 static inline void regulator_put(struct regulator *regulator)
 {
 }
···
 
 static inline int devm_regulator_bulk_get(struct device *dev, int num_consumers,
 					  struct regulator_bulk_data *consumers)
-{
-	return 0;
-}
-
-static inline int of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
-					    struct regulator_bulk_data **consumers)
 {
 	return 0;
 }
···
 {
 	return false;
 }
+#endif
+
+#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_REGULATOR)
+struct regulator *__must_check of_regulator_get_optional(struct device *dev,
+							 struct device_node *node,
+							 const char *id);
+struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
+							      struct device_node *node,
+							      const char *id);
+int __must_check of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
+					   struct regulator_bulk_data **consumers);
+#else
+static inline struct regulator *__must_check of_regulator_get_optional(struct device *dev,
+								       struct device_node *node,
+								       const char *id)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline struct regulator *__must_check devm_of_regulator_get_optional(struct device *dev,
+									    struct device_node *node,
+									    const char *id)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline int of_regulator_bulk_get_all(struct device *dev, struct device_node *np,
+					    struct regulator_bulk_data **consumers)
+{
+	return 0;
+}
+
 #endif
 
 static inline int regulator_set_voltage_triplet(struct regulator *regulator,

include/linux/sched.h

···
 	 * We're lying here, but rather than expose a completely new task state
 	 * to userspace, we can make this appear as if the task has gone through
 	 * a regular rt_mutex_lock() call.
+	 * Report frozen tasks as uninterruptible.
 	 */
-	if (tsk_state & TASK_RTLOCK_WAIT)
+	if ((tsk_state & TASK_RTLOCK_WAIT) || (tsk_state & TASK_FROZEN))
 		state = TASK_UNINTERRUPTIBLE;
 
 	return fls(state);

include/linux/skmsg.h

···
 	kfree_skb(skb);
 }
 
-static inline void sk_psock_queue_msg(struct sk_psock *psock,
+static inline bool sk_psock_queue_msg(struct sk_psock *psock,
 				      struct sk_msg *msg)
 {
+	bool ret;
+
 	spin_lock_bh(&psock->ingress_lock);
-	if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED))
+	if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED)) {
 		list_add_tail(&msg->list, &psock->ingress_msg);
-	else {
+		ret = true;
+	} else {
 		sk_msg_free(psock->sk, msg);
 		kfree(msg);
+		ret = false;
 	}
 	spin_unlock_bh(&psock->ingress_lock);
+	return ret;
 }
 
 static inline struct sk_msg *sk_psock_dequeue_msg(struct sk_psock *psock)

include/linux/static_call.h

···
 
 #ifdef CONFIG_HAVE_STATIC_CALL_INLINE
 
+extern int static_call_initialized;
+
 extern int __init static_call_init(void);
 
 extern void static_call_force_reinit(void);
···
 
 #elif defined(CONFIG_HAVE_STATIC_CALL)
 
+#define static_call_initialized 0
+
 static inline int static_call_init(void) { return 0; }
 
 #define DEFINE_STATIC_CALL(name, _func)					\
···
 	EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name))
 
 #else /* Generic implementation */
+
+#define static_call_initialized 0
 
 static inline int static_call_init(void) { return 0; }
 

include/linux/trace_events.h

···
 			const char *name;
 			const int  size;
 			const int  align;
-			const int  is_signed;
+			const unsigned int is_signed:1;
+			unsigned int needs_test:1;
 			const int  filter_type;
 			const int  len;
 		};
···
 	TRACE_EVENT_FL_EPROBE_BIT,
 	TRACE_EVENT_FL_FPROBE_BIT,
 	TRACE_EVENT_FL_CUSTOM_BIT,
+	TRACE_EVENT_FL_TEST_STR_BIT,
 };
 
 /*
···
  *  CUSTOM        - Event is a custom event (to be attached to an exsiting tracepoint)
  *                   This is set when the custom event has not been attached
  *                   to a tracepoint yet, then it is cleared when it is.
+ *  TEST_STR      - The event has a "%s" that points to a string outside the event
  */
 enum {
 	TRACE_EVENT_FL_CAP_ANY		= (1 << TRACE_EVENT_FL_CAP_ANY_BIT),
···
 	TRACE_EVENT_FL_EPROBE		= (1 << TRACE_EVENT_FL_EPROBE_BIT),
 	TRACE_EVENT_FL_FPROBE		= (1 << TRACE_EVENT_FL_FPROBE_BIT),
 	TRACE_EVENT_FL_CUSTOM		= (1 << TRACE_EVENT_FL_CUSTOM_BIT),
+	TRACE_EVENT_FL_TEST_STR		= (1 << TRACE_EVENT_FL_TEST_STR_BIT),
 };
 
 #define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE)
···
 	struct list_head	list;
 	struct trace_event_class *class;
 	union {
-		char			*name;
+		const char		*name;
 		/* Set TRACE_EVENT_FL_TRACEPOINT flag when using "tp" */
 		struct tracepoint	*tp;
 	};

include/linux/vermagic.h

···
 #else
 #define MODULE_VERMAGIC_SMP ""
 #endif
-#ifdef CONFIG_PREEMPT_BUILD
-#define MODULE_VERMAGIC_PREEMPT "preempt "
-#elif defined(CONFIG_PREEMPT_RT)
+#ifdef CONFIG_PREEMPT_RT
 #define MODULE_VERMAGIC_PREEMPT "preempt_rt "
+#elif defined(CONFIG_PREEMPT_BUILD)
+#define MODULE_VERMAGIC_PREEMPT "preempt "
 #else
 #define MODULE_VERMAGIC_PREEMPT ""
 #endif

include/linux/vmstat.h

···
 
 static inline const char *lru_list_name(enum lru_list lru)
 {
-	return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
+	return node_stat_name(NR_LRU_BASE + (enum node_stat_item)lru) + 3; // skip "nr_"
 }
 
 #if defined(CONFIG_VM_EVENT_COUNTERS) || defined(CONFIG_MEMCG)

include/net/inet_connection_sock.h

···
 
 static inline int inet_csk_reqsk_queue_is_full(const struct sock *sk)
 {
-	return inet_csk_reqsk_queue_len(sk) >= READ_ONCE(sk->sk_max_ack_backlog);
+	return inet_csk_reqsk_queue_len(sk) > READ_ONCE(sk->sk_max_ack_backlog);
 }
 
 bool inet_csk_reqsk_queue_drop(struct sock *sk, struct request_sock *req);

include/net/netfilter/nf_tables.h

···
 /**
  *	struct nft_set_ext - set extensions
  *
- *	@genmask: generation mask
+ *	@genmask: generation mask, but also flags (see NFT_SET_ELEM_DEAD_BIT)
  *	@offset: offsets of individual extension types
  *	@data: beginning of extension data
+ *
+ *	This structure must be aligned to word size, otherwise atomic bitops
+ *	on genmask field can cause alignment failure on some archs.
  */
 struct nft_set_ext {
 	u8	genmask;
 	u8	offset[NFT_SET_EXT_NUM];
 	char	data[];
-};
+} __aligned(BITS_PER_LONG / 8);
 
 static inline void nft_set_ext_prepare(struct nft_set_ext_tmpl *tmpl)
 {

include/net/sock.h

···
 }
 
 static inline bool
-sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)
+__sk_rmem_schedule(struct sock *sk, int size, bool pfmemalloc)
 {
 	int delta;
 
···
 		return true;
 	delta = size - sk->sk_forward_alloc;
 	return delta <= 0 || __sk_mem_schedule(sk, delta, SK_MEM_RECV) ||
-		skb_pfmemalloc(skb);
+	       pfmemalloc;
+}
+
+static inline bool
+sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)
+{
+	return __sk_rmem_schedule(sk, size, skb_pfmemalloc(skb));
 }
 
 static inline int sk_unused_reserved_mem(const struct sock *sk)
···
 }
 
 /**
- * sock_poll_wait - place memory barrier behind the poll_wait call.
+ * sock_poll_wait - wrapper for the poll_wait call.
  * @filp:           file
  * @sock:           socket to wait on
  * @p:              poll_table
···
 static inline void sock_poll_wait(struct file *filp, struct socket *sock,
 				  poll_table *p)
 {
-	if (!poll_does_not_wait(p)) {
-		poll_wait(filp, &sock->wq.wait, p);
-		/* We need to be sure we are in sync with the
-		 * socket flags modification.
-		 *
-		 * This memory barrier is paired in the wq_has_sleeper.
-		 */
-		smp_mb();
-	}
+	/* Provides a barrier we need to be sure we are in sync
+	 * with the socket flags modification.
+	 *
+	 * This memory barrier is paired in the wq_has_sleeper.
+	 */
+	poll_wait(filp, &sock->wq.wait, p);
 }
 
 static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk)

include/uapi/linux/mptcp_pm.h

···
 /**
  * enum mptcp_event_type
  * @MPTCP_EVENT_UNSPEC: unused event
- * @MPTCP_EVENT_CREATED: token, family, saddr4 | saddr6, daddr4 | daddr6,
- *   sport, dport A new MPTCP connection has been created. It is the good time
- *   to allocate memory and send ADD_ADDR if needed. Depending on the
+ * @MPTCP_EVENT_CREATED: A new MPTCP connection has been created. It is the
+ *   good time to allocate memory and send ADD_ADDR if needed. Depending on the
  *   traffic-patterns it can take a long time until the MPTCP_EVENT_ESTABLISHED
- *   is sent.
- * @MPTCP_EVENT_ESTABLISHED: token, family, saddr4 | saddr6, daddr4 | daddr6,
- *   sport, dport A MPTCP connection is established (can start new subflows).
- * @MPTCP_EVENT_CLOSED: token A MPTCP connection has stopped.
- * @MPTCP_EVENT_ANNOUNCED: token, rem_id, family, daddr4 | daddr6 [, dport] A
- *   new address has been announced by the peer.
- * @MPTCP_EVENT_REMOVED: token, rem_id An address has been lost by the peer.
- * @MPTCP_EVENT_SUB_ESTABLISHED: token, family, loc_id, rem_id, saddr4 |
- *   saddr6, daddr4 | daddr6, sport, dport, backup, if_idx [, error] A new
- *   subflow has been established. 'error' should not be set.
- * @MPTCP_EVENT_SUB_CLOSED: token, family, loc_id, rem_id, saddr4 | saddr6,
- *   daddr4 | daddr6, sport, dport, backup, if_idx [, error] A subflow has been
- *   closed. An error (copy of sk_err) could be set if an error has been
- *   detected for this subflow.
- * @MPTCP_EVENT_SUB_PRIORITY: token, family, loc_id, rem_id, saddr4 | saddr6,
- *   daddr4 | daddr6, sport, dport, backup, if_idx [, error] The priority of a
- *   subflow has changed. 'error' should not be set.
- * @MPTCP_EVENT_LISTENER_CREATED: family, sport, saddr4 | saddr6 A new PM
- *   listener is created.
- * @MPTCP_EVENT_LISTENER_CLOSED: family, sport, saddr4 | saddr6 A PM listener
- *   is closed.
+ *   is sent. Attributes: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ *   sport, dport, server-side.
+ * @MPTCP_EVENT_ESTABLISHED: A MPTCP connection is established (can start new
+ *   subflows). Attributes: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ *   sport, dport, server-side.
+ * @MPTCP_EVENT_CLOSED: A MPTCP connection has stopped. Attribute: token.
+ * @MPTCP_EVENT_ANNOUNCED: A new address has been announced by the peer.
+ *   Attributes: token, rem_id, family, daddr4 | daddr6 [, dport].
+ * @MPTCP_EVENT_REMOVED: An address has been lost by the peer. Attributes:
+ *   token, rem_id.
+ * @MPTCP_EVENT_SUB_ESTABLISHED: A new subflow has been established. 'error'
+ *   should not be set. Attributes: token, family, loc_id, rem_id, saddr4 |
+ *   saddr6, daddr4 | daddr6, sport, dport, backup, if_idx [, error].
+ * @MPTCP_EVENT_SUB_CLOSED: A subflow has been closed. An error (copy of
+ *   sk_err) could be set if an error has been detected for this subflow.
+ *   Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
+ *   daddr6, sport, dport, backup, if_idx [, error].
+ * @MPTCP_EVENT_SUB_PRIORITY: The priority of a subflow has changed. 'error'
+ *   should not be set. Attributes: token, family, loc_id, rem_id, saddr4 |
+ *   saddr6, daddr4 | daddr6, sport, dport, backup, if_idx [, error].
+ * @MPTCP_EVENT_LISTENER_CREATED: A new PM listener is created. Attributes:
+ *   family, sport, saddr4 | saddr6.
+ * @MPTCP_EVENT_LISTENER_CLOSED: A PM listener is closed. Attributes: family,
+ *   sport, saddr4 | saddr6.
  */
 enum mptcp_event_type {
 	MPTCP_EVENT_UNSPEC,

include/uapi/linux/stddef.h

···
 #define __always_inline inline
 #endif
 
+/* Not all C++ standards support type declarations inside an anonymous union */
+#ifndef __cplusplus
+#define __struct_group_tag(TAG)		TAG
+#else
+#define __struct_group_tag(TAG)
+#endif
+
 /**
  * __struct_group() - Create a mirrored named and anonyomous struct
  *
···
  * and size: one anonymous and one named. The former's members can be used
  * normally without sub-struct naming, and the latter can be used to
  * reason about the start, end, and size of the group of struct members.
- * The named struct can also be explicitly tagged for layer reuse, as well
- * as both having struct attributes appended.
+ * The named struct can also be explicitly tagged for layer reuse (C only),
+ * as well as both having struct attributes appended.
  */
 #define __struct_group(TAG, NAME, ATTRS, MEMBERS...) \
 	union { \
 		struct { MEMBERS } ATTRS; \
-		struct TAG { MEMBERS } ATTRS NAME; \
+		struct __struct_group_tag(TAG) { MEMBERS } ATTRS NAME; \
 	} ATTRS
 
 #ifdef __cplusplus

include/uapi/linux/thermal.h

···
 #define _UAPI_LINUX_THERMAL_H
 
 #define THERMAL_NAME_LENGTH	20
-#define THERMAL_THRESHOLD_WAY_UP	BIT(0)
-#define THERMAL_THRESHOLD_WAY_DOWN	BIT(1)
+#define THERMAL_THRESHOLD_WAY_UP	0x1
+#define THERMAL_THRESHOLD_WAY_DOWN	0x2
 
 enum thermal_device_mode {
 	THERMAL_DEVICE_DISABLED = 0,

include/ufs/ufshcd.h

···
  * @program_key: program or evict an inline encryption key
  * @fill_crypto_prdt: initialize crypto-related fields in the PRDT
  * @event_notify: called to notify important events
- * @reinit_notify: called to notify reinit of UFSHCD during max gear switch
  * @mcq_config_resource: called to configure MCQ platform resources
  * @get_hba_mac: reports maximum number of outstanding commands supported by
  *	the controller. Should be implemented for UFSHCI 4.0 or later
···
 				    void *prdt, unsigned int num_segments);
 	void	(*event_notify)(struct ufs_hba *hba,
 				enum ufs_event_type evt, void *data);
-	void	(*reinit_notify)(struct ufs_hba *);
 	int	(*mcq_config_resource)(struct ufs_hba *hba);
 	int	(*get_hba_mac)(struct ufs_hba *hba);
 	int	(*op_runtime_config)(struct ufs_hba *hba);

io_uring/eventfd.c

···
 	kfree(ev_fd);
 }
 
+static void io_eventfd_put(struct io_ev_fd *ev_fd)
+{
+	if (refcount_dec_and_test(&ev_fd->refs))
+		call_rcu(&ev_fd->rcu, io_eventfd_free);
+}
+
 static void io_eventfd_do_signal(struct rcu_head *rcu)
 {
 	struct io_ev_fd *ev_fd = container_of(rcu, struct io_ev_fd, rcu);
 
 	eventfd_signal_mask(ev_fd->cq_ev_fd, EPOLL_URING_WAKE);
-
-	if (refcount_dec_and_test(&ev_fd->refs))
-		io_eventfd_free(rcu);
-}
-
-static void io_eventfd_put(struct io_ev_fd *ev_fd)
-{
-	if (refcount_dec_and_test(&ev_fd->refs))
-		call_rcu(&ev_fd->rcu, io_eventfd_free);
+	io_eventfd_put(ev_fd);
 }
 
 static void io_eventfd_release(struct io_ev_fd *ev_fd, bool put_ref)

io_uring/io_uring.c

···
 		struct io_ring_ctx *ctx = head->ctx;
 
 		/* protect against races with linked timeouts */
-		spin_lock_irq(&ctx->timeout_lock);
+		raw_spin_lock_irq(&ctx->timeout_lock);
 		matched = io_match_linked(head);
-		spin_unlock_irq(&ctx->timeout_lock);
+		raw_spin_unlock_irq(&ctx->timeout_lock);
 	} else {
 		matched = io_match_linked(head);
 	}
···
 	ret |= io_alloc_cache_init(&ctx->rw_cache, IO_ALLOC_CACHE_MAX,
 			    sizeof(struct io_async_rw));
 	ret |= io_alloc_cache_init(&ctx->uring_cache, IO_ALLOC_CACHE_MAX,
-			    sizeof(struct uring_cache));
+			    sizeof(struct io_uring_cmd_data));
 	spin_lock_init(&ctx->msg_lock);
 	ret |= io_alloc_cache_init(&ctx->msg_cache, IO_ALLOC_CACHE_MAX,
 			    sizeof(struct io_kiocb));
···
 	init_waitqueue_head(&ctx->cq_wait);
 	init_waitqueue_head(&ctx->poll_wq);
 	spin_lock_init(&ctx->completion_lock);
-	spin_lock_init(&ctx->timeout_lock);
+	raw_spin_lock_init(&ctx->timeout_lock);
 	INIT_WQ_LIST(&ctx->iopoll_list);
 	INIT_LIST_HEAD(&ctx->io_buffers_comp);
 	INIT_LIST_HEAD(&ctx->defer_list);
···
 	if (req->flags & REQ_F_LINK_TIMEOUT) {
 		struct io_ring_ctx *ctx = req->ctx;
 
-		spin_lock_irq(&ctx->timeout_lock);
+		raw_spin_lock_irq(&ctx->timeout_lock);
 		io_for_each_link(cur, req)
 			io_prep_async_work(cur);
-		spin_unlock_irq(&ctx->timeout_lock);
+		raw_spin_unlock_irq(&ctx->timeout_lock);
 	} else {
 		io_for_each_link(cur, req)
 			io_prep_async_work(cur);
···
 	struct io_uring_task *tctx = req->tctx;
 
 	BUG_ON(!tctx);
-	BUG_ON(!tctx->io_wq);
+
+	if ((current->flags & PF_KTHREAD) || !tctx->io_wq) {
+		io_req_task_queue_fail(req, -ECANCELED);
+		return;
+	}
 
 	/* init ->work of the whole link before punting */
 	io_prep_async_link(req);
···
 
 	/* SQPOLL doesn't need the task_work added, it'll run it itself */
 	if (ctx->flags & IORING_SETUP_SQPOLL) {
-		struct io_sq_data *sqd = ctx->sq_data;
-
-		if (sqd->thread)
-			__set_notify_signal(sqd->thread);
+		__set_notify_signal(tctx->task);
 		return;
 	}
 
···
 
 	if (unlikely(!ctx->poll_activated))
 		io_activate_pollwq(ctx);
-
-	poll_wait(file, &ctx->poll_wq, wait);
 	/*
-	 * synchronizes with barrier from wq_has_sleeper call in
-	 * io_commit_cqring
+	 * provides mb() which pairs with barrier from wq_has_sleeper
+	 * call in io_commit_cqring
 	 */
-	smp_rmb();
+	poll_wait(file, &ctx->poll_wq, wait);
+
 	if (!io_sqring_full(ctx))
 		mask |= EPOLLOUT | EPOLLWRNORM;
 
···
 
 void __io_uring_cancel(bool cancel_all)
 {
+	io_uring_unreg_ringfd();
 	io_uring_cancel_generic(cancel_all, NULL);
 }
 

io_uring/io_uring.h

···
 #if defined(CONFIG_PROVE_LOCKING)
 	lockdep_assert(in_task());
 
+	if (ctx->flags & IORING_SETUP_DEFER_TASKRUN)
+		lockdep_assert_held(&ctx->uring_lock);
+
 	if (ctx->flags & IORING_SETUP_IOPOLL) {
 		lockdep_assert_held(&ctx->uring_lock);
 	} else if (!ctx->task_complete) {
···
 		 * Not from an SQE, as those cannot be submitted, but via
 		 * updating tagged resources.
 		 */
-		if (percpu_ref_is_dying(&ctx->refs))
-			lockdep_assert(current_work());
-		else
+		if (!percpu_ref_is_dying(&ctx->refs))
 			lockdep_assert(current == ctx->submitter_task);
 	}
 #endif

io_uring/kbuf.c

···
 	struct io_uring_buf_ring *br = bl->buf_ring;
 	__u16 tail, head = bl->head;
 	struct io_uring_buf *buf;
+	void __user *ret;
 
 	tail = smp_load_acquire(&br->tail);
 	if (unlikely(tail == head))
···
 	req->flags |= REQ_F_BUFFER_RING | REQ_F_BUFFERS_COMMIT;
 	req->buf_list = bl;
 	req->buf_index = buf->bid;
+	ret = u64_to_user_ptr(buf->addr);
 
 	if (issue_flags & IO_URING_F_UNLOCKED || !io_file_can_poll(req)) {
 		/*
···
 		io_kbuf_commit(req, bl, *len, 1);
 		req->buf_list = NULL;
 	}
-	return u64_to_user_ptr(buf->addr);
+	return ret;
 }
 
 void __user *io_buffer_select(struct io_kiocb *req, size_t *len,

io_uring/net.c

···
 	if (req->opcode == IORING_OP_RECV) {
 		kmsg->msg.msg_name = NULL;
 		kmsg->msg.msg_namelen = 0;
+		kmsg->msg.msg_inq = 0;
 		kmsg->msg.msg_control = NULL;
 		kmsg->msg.msg_get_inq = 1;
 		kmsg->msg.msg_controllen = 0;

io_uring/opdef.c

···
 #include <linux/fs.h>
 #include <linux/file.h>
 #include <linux/io_uring.h>
+#include <linux/io_uring/cmd.h>
 
 #include "io_uring.h"
 #include "opdef.h"
···
 		.plug			= 1,
 		.iopoll			= 1,
 		.iopoll_queue		= 1,
-		.async_size		= 2 * sizeof(struct io_uring_sqe),
+		.async_size		= sizeof(struct io_uring_cmd_data),
 		.prep			= io_uring_cmd_prep,
 		.issue			= io_uring_cmd,
 	},

io_uring/register.c

···
 	if (ctx->flags & IORING_SETUP_SINGLE_ISSUER &&
 	    current != ctx->submitter_task)
 		return -EEXIST;
+	/* limited to DEFER_TASKRUN for now */
+	if (!(ctx->flags & IORING_SETUP_DEFER_TASKRUN))
+		return -EINVAL;
 	if (copy_from_user(&p, arg, sizeof(p)))
 		return -EFAULT;
 	if (p.flags & ~RESIZE_FLAGS)

io_uring/rw.c

···
 		io_kbuf_recycle(req, issue_flags);
 		if (ret < 0)
 			req_set_fail(req);
+	} else if (!(req->flags & REQ_F_APOLL_MULTISHOT)) {
+		cflags = io_put_kbuf(req, ret, issue_flags);
 	} else {
 		/*
 		 * Any successful return value will keep the multishot read

io_uring/sqpoll.c

···
 	DEFINE_WAIT(wait);
 
 	/* offload context creation failed, just exit */
-	if (!current->io_uring)
+	if (!current->io_uring) {
+		mutex_lock(&sqd->lock);
+		sqd->thread = NULL;
+		mutex_unlock(&sqd->lock);
 		goto err_out;
+	}
 
 	snprintf(buf, sizeof(buf), "iou-sqp-%d", sqd->task_pid);
 	set_task_comm(current, buf);
···
 __cold int io_sq_offload_create(struct io_ring_ctx *ctx,
 				struct io_uring_params *p)
 {
+	struct task_struct *task_to_put = NULL;
 	int ret;
 
 	/* Retain compatibility with failing for an invalid attach attempt */
···
 		}
 
 		sqd->thread = tsk;
+		task_to_put = get_task_struct(tsk);
 		ret = io_uring_alloc_task_context(tsk, ctx);
 		wake_up_new_task(tsk);
 		if (ret)
···
 		goto err;
 	}
 
+	if (task_to_put)
+		put_task_struct(task_to_put);
 	return 0;
 err_sqpoll:
 	complete(&ctx->sq_data->exited);
 err:
 	io_sq_thread_finish(ctx);
+	if (task_to_put)
+		put_task_struct(task_to_put);
 	return ret;
 }
 

io_uring/timeout.c

···
 	if (!io_timeout_finish(timeout, data)) {
 		if (io_req_post_cqe(req, -ETIME, IORING_CQE_F_MORE)) {
 			/* re-arm timer */
-			spin_lock_irq(&ctx->timeout_lock);
+			raw_spin_lock_irq(&ctx->timeout_lock);
 			list_add(&timeout->list, ctx->timeout_list.prev);
 			hrtimer_start(&data->timer, timespec64_to_ktime(data->ts), data->mode);
-			spin_unlock_irq(&ctx->timeout_lock);
+			raw_spin_unlock_irq(&ctx->timeout_lock);
 			return;
 		}
 	}
···
 	io_req_task_complete(req, ts);
 }
 
-static bool io_kill_timeout(struct io_kiocb *req, int status)
+static __cold bool io_flush_killed_timeouts(struct list_head *list, int err)
+{
+	if (list_empty(list))
+		return false;
+
+	while (!list_empty(list)) {
+		struct io_timeout *timeout;
+		struct io_kiocb *req;
+
+		timeout = list_first_entry(list, struct io_timeout, list);
+		list_del_init(&timeout->list);
+		req = cmd_to_io_kiocb(timeout);
+		if (err)
+			req_set_fail(req);
+		io_req_queue_tw_complete(req, err);
+	}
+
+	return true;
+}
+
+static void io_kill_timeout(struct io_kiocb *req, struct list_head *list)
 	__must_hold(&req->ctx->timeout_lock)
 {
 	struct io_timeout_data *io = req->async_data;
···
 	if (hrtimer_try_to_cancel(&io->timer) != -1) {
 		struct io_timeout *timeout = io_kiocb_to_cmd(req, struct io_timeout);
 
-		if (status)
-			req_set_fail(req);
 		atomic_set(&req->ctx->cq_timeouts,
 			atomic_read(&req->ctx->cq_timeouts) + 1);
-		list_del_init(&timeout->list);
-		io_req_queue_tw_complete(req, status);
-		return true;
+		list_move_tail(&timeout->list, list);
 	}
-	return false;
 }
 
 __cold void io_flush_timeouts(struct io_ring_ctx *ctx)
 {
-	u32 seq;
 	struct io_timeout *timeout, *tmp;
+	LIST_HEAD(list);
+	u32 seq;
 
-	spin_lock_irq(&ctx->timeout_lock);
+	raw_spin_lock_irq(&ctx->timeout_lock);
 	seq = ctx->cached_cq_tail - atomic_read(&ctx->cq_timeouts);
 
 	list_for_each_entry_safe(timeout, tmp, &ctx->timeout_list, list) {
···
 		if (events_got < events_needed)
 			break;
 
-		io_kill_timeout(req, 0);
+		io_kill_timeout(req, &list);
 	}
 	ctx->cq_last_tm_flush = seq;
-	spin_unlock_irq(&ctx->timeout_lock);
+	raw_spin_unlock_irq(&ctx->timeout_lock);
+	io_flush_killed_timeouts(&list, 0);
 }
 
 static void io_req_tw_fail_links(struct io_kiocb *link, struct io_tw_state *ts)
···
 	} else if (req->flags & REQ_F_LINK_TIMEOUT) {
 		struct io_ring_ctx *ctx = req->ctx;
 
-		spin_lock_irq(&ctx->timeout_lock);
+		raw_spin_lock_irq(&ctx->timeout_lock);
 		link = io_disarm_linked_timeout(req);
-		spin_unlock_irq(&ctx->timeout_lock);
+		raw_spin_unlock_irq(&ctx->timeout_lock);
 		if (link)
 			io_req_queue_tw_complete(link, -ECANCELED);
 	}
···
 	struct io_ring_ctx *ctx = req->ctx;
 	unsigned long flags;
 
-	spin_lock_irqsave(&ctx->timeout_lock, flags);
+	raw_spin_lock_irqsave(&ctx->timeout_lock, flags);
 	list_del_init(&timeout->list);
 	atomic_set(&req->ctx->cq_timeouts,
 		atomic_read(&req->ctx->cq_timeouts) + 1);
-	spin_unlock_irqrestore(&ctx->timeout_lock, flags);
+	raw_spin_unlock_irqrestore(&ctx->timeout_lock, flags);
 
 	if (!(data->flags & IORING_TIMEOUT_ETIME_SUCCESS))
 		req_set_fail(req);
···
 {
 	struct io_kiocb *req;
 
-	spin_lock_irq(&ctx->timeout_lock);
+	raw_spin_lock_irq(&ctx->timeout_lock);
 	req = io_timeout_extract(ctx, cd);
-	spin_unlock_irq(&ctx->timeout_lock);
+	raw_spin_unlock_irq(&ctx->timeout_lock);
 
 	if (IS_ERR(req))
 		return PTR_ERR(req);
···
 	struct io_ring_ctx *ctx = req->ctx;
 	unsigned long flags;
 
-	spin_lock_irqsave(&ctx->timeout_lock, flags);
+	raw_spin_lock_irqsave(&ctx->timeout_lock, flags);
 	prev = timeout->head;
 	timeout->head = NULL;
 
···
 	}
 	list_del(&timeout->list);
 	timeout->prev = prev;
-	spin_unlock_irqrestore(&ctx->timeout_lock, flags);
+	raw_spin_unlock_irqrestore(&ctx->timeout_lock, flags);
 
 	req->io_task_work.func = io_req_task_link_timeout;
 	io_req_task_work_add(req);
···
 
 	timeout->off = 0; /* noseq */
 	data = req->async_data;
+	data->ts = *ts;
+
 	list_add_tail(&timeout->list, &ctx->timeout_list);
 	hrtimer_init(&data->timer, io_timeout_get_clock(data), mode);
 	data->timer.function = io_timeout_fn;
-	hrtimer_start(&data->timer, timespec64_to_ktime(*ts), mode);
+	hrtimer_start(&data->timer, timespec64_to_ktime(data->ts), mode);
 	return 0;
 }
 
···
 	} else {
 		enum hrtimer_mode mode = io_translate_timeout_mode(tr->flags);
 
-		spin_lock_irq(&ctx->timeout_lock);
+		raw_spin_lock_irq(&ctx->timeout_lock);
 		if (tr->ltimeout)
 			ret = io_linked_timeout_update(ctx, tr->addr, &tr->ts, mode);
 		else
 			ret = io_timeout_update(ctx, tr->addr, &tr->ts, mode);
-		spin_unlock_irq(&ctx->timeout_lock);
+		raw_spin_unlock_irq(&ctx->timeout_lock);
 	}
 
 	if (ret < 0)
···
 	struct list_head *entry;
 	u32 tail, off = timeout->off;
 
-	spin_lock_irq(&ctx->timeout_lock);
+	raw_spin_lock_irq(&ctx->timeout_lock);
 
 	/*
 	 * sqe->off holds how many events that need to occur for this
···
 	list_add(&timeout->list, entry);
 	data->timer.function = io_timeout_fn;
 	hrtimer_start(&data->timer, timespec64_to_ktime(data->ts), data->mode);
-	spin_unlock_irq(&ctx->timeout_lock);
+	raw_spin_unlock_irq(&ctx->timeout_lock);
 	return IOU_ISSUE_SKIP_COMPLETE;
 }
 
···
 	struct io_timeout *timeout = io_kiocb_to_cmd(req, struct io_timeout);
 	struct io_ring_ctx *ctx = req->ctx;
 
-	spin_lock_irq(&ctx->timeout_lock);
+	raw_spin_lock_irq(&ctx->timeout_lock);
 	/*
 	 * If the back reference is NULL, then our linked request finished
 	 * before we got a chance to setup the timer
···
 				data->mode);
 		list_add_tail(&timeout->list, &ctx->ltimeout_list);
 	}
-	spin_unlock_irq(&ctx->timeout_lock);
+	raw_spin_unlock_irq(&ctx->timeout_lock);
 	/* drop submission reference */
 	io_put_req(req);
 }
···
 			     bool cancel_all)
 {
 	struct io_timeout *timeout, *tmp;
-	int canceled = 0;
+	LIST_HEAD(list);
 
 	/*
 	 * completion_lock is needed for io_match_task(). Take it before
 	 * timeout_lockfirst to keep locking ordering.
 	 */
 	spin_lock(&ctx->completion_lock);
-	spin_lock_irq(&ctx->timeout_lock);
+	raw_spin_lock_irq(&ctx->timeout_lock);
 	list_for_each_entry_safe(timeout, tmp, &ctx->timeout_list, list) {
 		struct io_kiocb *req = cmd_to_io_kiocb(timeout);
 
-		if (io_match_task(req, tctx, cancel_all) &&
-		    io_kill_timeout(req, -ECANCELED))
-			canceled++;
+		if (io_match_task(req, tctx, cancel_all))
+			io_kill_timeout(req, &list);
 	}
-	spin_unlock_irq(&ctx->timeout_lock);
+	raw_spin_unlock_irq(&ctx->timeout_lock);
 	spin_unlock(&ctx->completion_lock);
-	return canceled != 0;
+
+	return io_flush_killed_timeouts(&list, -ECANCELED);
 }

io_uring/uring_cmd.c

···
 #include "rsrc.h"
 #include "uring_cmd.h"
 
-static struct uring_cache *io_uring_async_get(struct io_kiocb *req)
+static struct io_uring_cmd_data *io_uring_async_get(struct io_kiocb *req)
 {
 	struct io_ring_ctx *ctx = req->ctx;
-	struct uring_cache *cache;
+	struct io_uring_cmd_data *cache;
 
 	cache = io_alloc_cache_get(&ctx->uring_cache);
 	if (cache) {
+		cache->op_data = NULL;
 		req->flags |= REQ_F_ASYNC_DATA;
 		req->async_data = cache;
 		return cache;
 	}
-	if (!io_alloc_async_data(req))
-		return req->async_data;
+	if (!io_alloc_async_data(req)) {
+		cache = req->async_data;
+		cache->op_data = NULL;
+		return cache;
+	}
 	return NULL;
 }
 
 static void io_req_uring_cleanup(struct io_kiocb *req, unsigned int issue_flags)
 {
 	struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd);
-	struct uring_cache *cache = req->async_data;
+	struct io_uring_cmd_data *cache = req->async_data;
+
+	if (cache->op_data) {
+		kfree(cache->op_data);
+		cache->op_data = NULL;
+	}
 
 	if (issue_flags & IO_URING_F_UNLOCKED)
 		return;
···
 				   const struct io_uring_sqe *sqe)
 {
 	struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd);
-	struct uring_cache *cache;
+	struct io_uring_cmd_data *cache;
 
 	cache = io_uring_async_get(req);
 	if (unlikely(!cache))
···
 
 	ret = file->f_op->uring_cmd(ioucmd, issue_flags);
 	if (ret == -EAGAIN) {
-		struct uring_cache *cache = req->async_data;
+		struct io_uring_cmd_data *cache = req->async_data;
 
 		if (ioucmd->sqe != (void *) cache)
 			memcpy(cache, ioucmd->sqe, uring_sqe_size(req->ctx));

io_uring/uring_cmd.h

···
 // SPDX-License-Identifier: GPL-2.0
 
-struct uring_cache {
-	struct io_uring_sqe sqes[2];
-};
-
 int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags);
 int io_uring_cmd_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
 

kernel/bpf/verifier.c

···
 			 * changed in some incompatible and hard to support
 			 * way, it's fine to back out this inlining logic
 			 */
+#ifdef CONFIG_SMP
 			insn_buf[0] = BPF_MOV32_IMM(BPF_REG_0, (u32)(unsigned long)&pcpu_hot.cpu_number);
 			insn_buf[1] = BPF_MOV64_PERCPU_REG(BPF_REG_0, BPF_REG_0);
 			insn_buf[2] = BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, 0);
 			cnt = 3;
-
+#else
+			insn_buf[0] = BPF_ALU32_REG(BPF_XOR, BPF_REG_0, BPF_REG_0);
+			cnt = 1;
+#endif
 			new_prog = bpf_patch_insn_data(env, i + delta, insn_buf, cnt);
 			if (!new_prog)
 				return -ENOMEM;

kernel/cgroup/cpuset.c

···
 
 /*
  * There are two global locks guarding cpuset structures - cpuset_mutex and
- * callback_lock. We also require taking task_lock() when dereferencing a
- * task's cpuset pointer. See "The task_lock() exception", at the end of this
- * comment.  The cpuset code uses only cpuset_mutex. Other kernel subsystems
- * can use cpuset_lock()/cpuset_unlock() to prevent change to cpuset
+ * callback_lock. The cpuset code uses only cpuset_mutex. Other kernel
+ * subsystems can use cpuset_lock()/cpuset_unlock() to prevent change to cpuset
  * structures. Note that cpuset_mutex needs to be a mutex as it is used in
  * paths that rely on priority inheritance (e.g. scheduler - on RT) for
  * correctness.
···
  * The cpuset_common_seq_show() handlers only hold callback_lock across
  * small pieces of code, such as when reading out possibly multi-word
  * cpumasks and nodemasks.
- *
- * Accessing a task's cpuset should be done in accordance with the
- * guidelines for accessing subsystem state in kernel/cgroup.c
  */
 
 static DEFINE_MUTEX(cpuset_mutex);
···
 	 */
 	if (cgrpv2) {
 		for (i = 0; i < ndoms; i++) {
-			cpumask_copy(doms[i], csa[i]->effective_cpus);
+			/*
+			 * The top cpuset may contain some boot time isolated
+			 * CPUs that need to be excluded from the sched domain.
+			 */
+			if (csa[i] == &top_cpuset)
+				cpumask_and(doms[i], csa[i]->effective_cpus,
+					    housekeeping_cpumask(HK_TYPE_DOMAIN));
+			else
+				cpumask_copy(doms[i], csa[i]->effective_cpus);
 			if (dattr)
 				dattr[i] = SD_ATTR_INIT;
 		}
···
 	int retval = -ENODEV;
 
 	buf = strstrip(buf);
-
-	/*
-	 * CPU or memory hotunplug may leave @cs w/o any execution
-	 * resources, in which case the hotplug code asynchronously updates
-	 * configuration and transfers all tasks to the nearest ancestor
-	 * which can execute.
-	 *
-	 * As writes to "cpus" or "mems" may restore @cs's execution
-	 * resources, wait for the previously scheduled operations before
-	 * proceeding, so that we don't end up keep removing tasks added
-	 * after execution capability is restored.
-	 *
-	 * cpuset_handle_hotplug may call back into cgroup core asynchronously
-	 * via cgroup_transfer_tasks() and waiting for it from a cgroupfs
-	 * operation like this one can lead to a deadlock through kernfs
-	 * active_ref protection.  Let's break the protection.  Losing the
-	 * protection is okay as we check whether @cs is online after
-	 * grabbing cpuset_mutex anyway.  This only happens on the legacy
-	 * hierarchies.
-	 */
-	css_get(&cs->css);
-	kernfs_break_active_protection(of->kn);
-
 	cpus_read_lock();
 	mutex_lock(&cpuset_mutex);
 	if (!is_cpuset_online(cs))
···
 out_unlock:
 	mutex_unlock(&cpuset_mutex);
 	cpus_read_unlock();
-	kernfs_unbreak_active_protection(of->kn);
-	css_put(&cs->css);
 	flush_workqueue(cpuset_migrate_mm_wq);
 	return retval ?: nbytes;
 }

kernel/events/uprobes.c

···
 	if (!utask)
 		return;
 
+	t->utask = NULL;
 	WARN_ON_ONCE(utask->active_uprobe || utask->xol_vaddr);
 
 	timer_delete_sync(&utask->ri_timer);
···
 		ri = free_ret_instance(ri, true /* cleanup_hprobe */);
 
 	kfree(utask);
-	t->utask = NULL;
 }
 
 #define RI_TIMER_PERIOD (HZ / 10) /* 100 ms */

kernel/fork.c

···
 	LIST_HEAD(uf);
 	VMA_ITERATOR(vmi, mm, 0);
 
-	uprobe_start_dup_mmap();
-	if (mmap_write_lock_killable(oldmm)) {
-		retval = -EINTR;
-		goto fail_uprobe_end;
-	}
+	if (mmap_write_lock_killable(oldmm))
+		return -EINTR;
 	flush_cache_dup_mm(oldmm);
 	uprobe_dup_mmap(oldmm, mm);
 	/*
···
 		dup_userfaultfd_complete(&uf);
 	else
 		dup_userfaultfd_fail(&uf);
-fail_uprobe_end:
-	uprobe_end_dup_mmap();
 	return retval;
 
 fail_nomem_anon_vma_fork:
···
 	if (!mm_init(mm, tsk, mm->user_ns))
 		goto fail_nomem;
 
+	uprobe_start_dup_mmap();
 	err = dup_mmap(mm, oldmm);
 	if (err)
 		goto free_pt;
+	uprobe_end_dup_mmap();
 
 	mm->hiwater_rss = get_mm_rss(mm);
 	mm->hiwater_vm = mm->total_vm;
···
 	mm->binfmt = NULL;
 	mm_init_owner(mm, NULL);
 	mmput(mm);
+	if (err)
+		uprobe_end_dup_mmap();
 
 fail_nomem:
 	return NULL;

kernel/gen_kheaders.sh

···
 
 # Create archive and try to normalize metadata for reproducibility.
 tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \
+    --exclude=".__afs*" --exclude=".nfs*" \
     --owner=0 --group=0 --sort=name --numeric-owner --mode=u=rw,go=r,a+X \
     -I $XZ -cf $tarfile -C $cpio_dir/ . > /dev/null
 

kernel/kcov.c

···
  * Unlike in_serving_softirq(), this function returns false when called during
  * a hardirq or an NMI that happened in the softirq context.
  */
-static inline bool in_softirq_really(void)
+static __always_inline bool in_softirq_really(void)
 {
 	return in_serving_softirq() && !in_hardirq() && !in_nmi();
 }

kernel/locking/rtmutex.c

···
 	 */
 	get_task_struct(owner);
 
+	preempt_disable();
 	raw_spin_unlock_irq(&lock->wait_lock);
+	/* wake up any tasks on the wake_q before calling rt_mutex_adjust_prio_chain */
+	wake_up_q(wake_q);
+	wake_q_init(wake_q);
+	preempt_enable();
+
 
 	res = rt_mutex_adjust_prio_chain(owner, chwalk, lock,
 					 next_lock, waiter, task);
···
  *			 or TASK_UNINTERRUPTIBLE)
  * @timeout:		 the pre-initialized and started timer, or NULL for none
  * @waiter:		 the pre-initialized rt_mutex_waiter
+ * @wake_q:		 wake_q of tasks to wake when we drop the lock->wait_lock
  *
  * Must be called with lock->wait_lock held and interrupts disabled
  */
···
 					   struct ww_acquire_ctx *ww_ctx,
 					   unsigned int state,
 					   struct hrtimer_sleeper *timeout,
-					   struct rt_mutex_waiter *waiter)
+					   struct rt_mutex_waiter *waiter,
+					   struct wake_q_head *wake_q)
 	__releases(&lock->wait_lock) __acquires(&lock->wait_lock)
 {
 	struct rt_mutex *rtm = container_of(lock, struct rt_mutex, rtmutex);
···
 			owner = rt_mutex_owner(lock);
 		else
 			owner = NULL;
+		preempt_disable();
 		raw_spin_unlock_irq(&lock->wait_lock);
+		if (wake_q) {
+			wake_up_q(wake_q);
+			wake_q_init(wake_q);
+		}
+		preempt_enable();
 
 		if (!owner || !rtmutex_spin_on_owner(lock, waiter, owner))
 			rt_mutex_schedule();
···
 
 	ret = task_blocks_on_rt_mutex(lock, waiter, current, ww_ctx, chwalk, wake_q);
 	if (likely(!ret))
-		ret = rt_mutex_slowlock_block(lock, ww_ctx, state, NULL, waiter);
+		ret = rt_mutex_slowlock_block(lock, ww_ctx, state, NULL, waiter, wake_q);
 
 	if (likely(!ret)) {
 		/* acquired the lock */

kernel/locking/rtmutex_api.c

···
 	raw_spin_lock_irq(&lock->wait_lock);
 	/* sleep on the mutex */
 	set_current_state(TASK_INTERRUPTIBLE);
-	ret = rt_mutex_slowlock_block(lock, NULL, TASK_INTERRUPTIBLE, to, waiter);
+	ret = rt_mutex_slowlock_block(lock, NULL, TASK_INTERRUPTIBLE, to, waiter, NULL);
 	/*
 	 * try_to_take_rt_mutex() sets the waiter bit unconditionally. We might
 	 * have to fix that up.

kernel/sched/ext.c

···
 {
 	struct scx_dsp_ctx *dspc = this_cpu_ptr(scx_dsp_ctx);
 	bool prev_on_scx = prev->sched_class == &ext_sched_class;
+	bool prev_on_rq = prev->scx.flags & SCX_TASK_QUEUED;
 	int nr_loops = SCX_DSP_MAX_LOOPS;
 
 	lockdep_assert_rq_held(rq);
···
 		 * See scx_ops_disable_workfn() for the explanation on the
 		 * bypassing test.
 		 */
-		if ((prev->scx.flags & SCX_TASK_QUEUED) &&
-		    prev->scx.slice && !scx_rq_bypassing(rq)) {
+		if (prev_on_rq && prev->scx.slice && !scx_rq_bypassing(rq)) {
 			rq->scx.flags |= SCX_RQ_BAL_KEEP;
 			goto has_tasks;
 		}
···
 
 		flush_dispatch_buf(rq);
 
+		if (prev_on_rq && prev->scx.slice) {
+			rq->scx.flags |= SCX_RQ_BAL_KEEP;
+			goto has_tasks;
+		}
 		if (rq->scx.local_dsq.nr)
 			goto has_tasks;
 		if (consume_global_dsq(rq))
···
 	 * Didn't find another task to run. Keep running @prev unless
 	 * %SCX_OPS_ENQ_LAST is in effect.
 	 */
-	if ((prev->scx.flags & SCX_TASK_QUEUED) &&
-	    (!static_branch_unlikely(&scx_ops_enq_last) ||
+	if (prev_on_rq && (!static_branch_unlikely(&scx_ops_enq_last) ||
 	     scx_rq_bypassing(rq))) {
 		rq->scx.flags |= SCX_RQ_BAL_KEEP;
 		goto has_tasks;
···
 		 */
 		if (p->scx.slice && !scx_rq_bypassing(rq)) {
 			dispatch_enqueue(&rq->scx.local_dsq, p, SCX_ENQ_HEAD);
-			return;
+			goto switch_class;
 		}
 
 		/*
···
 		}
 	}
 
+switch_class:
 	if (next && next->sched_class != &ext_sched_class)
 		switch_class(rq, next);
 }
···
 	cpumask_copy(idle_masks.smt, cpu_online_mask);
 }
 
-void __scx_update_idle(struct rq *rq, bool idle)
+static void update_builtin_idle(int cpu, bool idle)
 {
-	int cpu = cpu_of(rq);
-
-	if (SCX_HAS_OP(update_idle) && !scx_rq_bypassing(rq)) {
-		SCX_CALL_OP(SCX_KF_REST, update_idle, cpu_of(rq), idle);
-		if (!static_branch_unlikely(&scx_builtin_idle_enabled))
-			return;
-	}
-
 	if (idle)
 		cpumask_set_cpu(cpu, idle_masks.cpu);
 	else
···
 		}
 	}
 #endif
+}
+
+/*
+ * Update the idle state of a CPU to @idle.
+ *
+ * If @do_notify is true, ops.update_idle() is invoked to notify the scx
+ * scheduler of an actual idle state transition (idle to busy or vice
+ * versa). If @do_notify is false, only the idle state in the idle masks is
+ * refreshed without invoking ops.update_idle().
+ *
+ * This distinction is necessary, because an idle CPU can be "reserved" and
+ * awakened via scx_bpf_pick_idle_cpu() + scx_bpf_kick_cpu(), marking it as
+ * busy even if no tasks are dispatched. In this case, the CPU may return
+ * to idle without a true state transition. Refreshing the idle masks
+ * without invoking ops.update_idle() ensures accurate idle state tracking
+ * while avoiding unnecessary updates and maintaining balanced state
+ * transitions.
+ */
+void __scx_update_idle(struct rq *rq, bool idle, bool do_notify)
+{
+	int cpu = cpu_of(rq);
+
+	lockdep_assert_rq_held(rq);
+
+	/*
+	 * Trigger ops.update_idle() only when transitioning from a task to
+	 * the idle thread and vice versa.
+	 *
+	 * Idle transitions are indicated by do_notify being set to true,
+	 * managed by put_prev_task_idle()/set_next_task_idle().
+	 */
+	if (SCX_HAS_OP(update_idle) && do_notify && !scx_rq_bypassing(rq))
+		SCX_CALL_OP(SCX_KF_REST, update_idle, cpu_of(rq), idle);
+
+	/*
+	 * Update the idle masks:
+	 * - for real idle transitions (do_notify == true)
+	 * - for idle-to-idle transitions (indicated by the previous task
+	 *   being the idle thread, managed by pick_task_idle())
+	 *
+	 * Skip updating idle masks if the previous task is not the idle
+	 * thread, since set_next_task_idle() has already handled it when
+	 * transitioning from a task to the idle thread (calling this
+	 * function with do_notify == true).
+	 *
+	 * In this way we can avoid updating the idle masks twice,
+	 * unnecessarily.
+	 */
+	if (static_branch_likely(&scx_builtin_idle_enabled))
+		if (do_notify || is_idle_task(rq->curr))
+			update_builtin_idle(cpu, idle);
 }
 
 static void handle_hotplug(struct rq *rq, bool online)
···
 	 */
 	for_each_possible_cpu(cpu) {
 		struct rq *rq = cpu_rq(cpu);
-		struct rq_flags rf;
 		struct task_struct *p, *n;
 
-		rq_lock(rq, &rf);
+		raw_spin_rq_lock(rq);
 
 		if (bypass) {
 			WARN_ON_ONCE(rq->scx.flags & SCX_RQ_BYPASSING);
···
 		 * sees scx_rq_bypassing() before moving tasks to SCX.
 		 */
 		if (!scx_enabled()) {
-			rq_unlock_irqrestore(rq, &rf);
+			raw_spin_rq_unlock(rq);
 			continue;
 		}
 
···
 			sched_enq_and_set_task(&ctx);
 		}
 
-		rq_unlock(rq, &rf);
-
 		/* resched to restore ticks and idle state */
-		resched_cpu(cpu);
+		if (cpu_online(cpu) || cpu == smp_processor_id())
+			resched_curr(rq);
+
+		raw_spin_rq_unlock(rq);
 	}
 
 	atomic_dec(&scx_ops_breather_depth);
···
 		return -ENOENT;
 
 	INIT_LIST_HEAD(&kit->cursor.node);
-	kit->cursor.flags |= SCX_DSQ_LNODE_ITER_CURSOR | flags;
+	kit->cursor.flags = SCX_DSQ_LNODE_ITER_CURSOR | flags;
 	kit->cursor.priv = READ_ONCE(kit->dsq->seq);
 
 	return 0;

kernel/sched/ext.h

···
 #endif	/* CONFIG_SCHED_CLASS_EXT */
 
 #if defined(CONFIG_SCHED_CLASS_EXT) && defined(CONFIG_SMP)
-void __scx_update_idle(struct rq *rq, bool idle);
+void __scx_update_idle(struct rq *rq, bool idle, bool do_notify);
 
-static inline void scx_update_idle(struct rq *rq, bool idle)
+static inline void scx_update_idle(struct rq *rq, bool idle, bool do_notify)
 {
 	if (scx_enabled())
-		__scx_update_idle(rq, idle);
+		__scx_update_idle(rq, idle, do_notify);
 }
 #else
-static inline void scx_update_idle(struct rq *rq, bool idle) {}
+static inline void scx_update_idle(struct rq *rq, bool idle, bool do_notify) {}
 #endif
 
 #ifdef CONFIG_CGROUP_SCHED

kernel/sched/idle.c

···
 static void put_prev_task_idle(struct rq *rq, struct task_struct *prev, struct task_struct *next)
 {
 	dl_server_update_idle_time(rq, prev);
-	scx_update_idle(rq, false);
+	scx_update_idle(rq, false, true);
 }
 
 static void set_next_task_idle(struct rq *rq, struct task_struct *next, bool first)
 {
 	update_idle_core(rq);
-	scx_update_idle(rq, true);
+	scx_update_idle(rq, true, true);
 	schedstat_inc(rq->sched_goidle);
 	next->se.exec_start = rq_clock_task(rq);
 }
 
 struct task_struct *pick_task_idle(struct rq *rq)
 {
+	scx_update_idle(rq, true, false);
 	return rq->idle;
 }
 

kernel/static_call_inline.c

···
 extern struct static_call_tramp_key __start_static_call_tramp_key[],
 				    __stop_static_call_tramp_key[];
 
-static int static_call_initialized;
+int static_call_initialized;
 
 /*
  * Must be called before early_initcall() to be effective.

kernel/trace/fgraph.c

···
 #endif
 	{
 		for_each_set_bit(i, &bitmap, sizeof(bitmap) * BITS_PER_BYTE) {
-			struct fgraph_ops *gops = fgraph_array[i];
+			struct fgraph_ops *gops = READ_ONCE(fgraph_array[i]);
 
 			if (gops == &fgraph_stub)
 				continue;
···
 static int start_graph_tracing(void)
 {
 	unsigned long **ret_stack_list;
-	int ret;
+	int ret, cpu;
 
 	ret_stack_list = kcalloc(FTRACE_RETSTACK_ALLOC_SIZE,
 				 sizeof(*ret_stack_list), GFP_KERNEL);
 
 	if (!ret_stack_list)
 		return -ENOMEM;
+
+	/* The cpu_boot init_task->ret_stack will never be freed */
+	for_each_online_cpu(cpu) {
+		if (!idle_task(cpu)->ret_stack)
+			ftrace_graph_init_idle_task(idle_task(cpu), cpu);
+	}
 
 	do {
 		ret = alloc_retstack_tasklist(ret_stack_list);

kernel/trace/ftrace.c

···
 }
 
 static struct fgraph_ops fprofiler_ops = {
-	.ops = {
-		.flags = FTRACE_OPS_FL_INITIALIZED,
-		INIT_OPS_HASH(fprofiler_ops.ops)
-	},
 	.entryfunc = &profile_graph_entry,
 	.retfunc = &profile_graph_return,
 };
 
 static int register_ftrace_profiler(void)
 {
+	ftrace_ops_set_global_filter(&fprofiler_ops.ops);
 	return register_ftrace_graph(&fprofiler_ops);
 }
 
···
 #else
 static struct ftrace_ops ftrace_profile_ops __read_mostly = {
 	.func		= function_profile_call,
-	.flags		= FTRACE_OPS_FL_INITIALIZED,
-	INIT_OPS_HASH(ftrace_profile_ops)
 };
 
 static int register_ftrace_profiler(void)
 {
+	ftrace_ops_set_global_filter(&ftrace_profile_ops);
 	return register_ftrace_function(&ftrace_profile_ops);
 }
 

kernel/trace/ring_buffer.c

···
 	lockdep_assert_held(&cpu_buffer->mapping_lock);
 
 	nr_subbufs = cpu_buffer->nr_pages + 1; /* + reader-subbuf */
-	nr_pages = ((nr_subbufs + 1) << subbuf_order) - pgoff; /* + meta-page */
+	nr_pages = ((nr_subbufs + 1) << subbuf_order); /* + meta-page */
+	if (nr_pages <= pgoff)
+		return -EINVAL;
+
+	nr_pages -= pgoff;
 
 	nr_vma_pages = vma_pages(vma);
 	if (!nr_vma_pages || nr_vma_pages > nr_pages)

kernel/trace/trace.c

···
 }
 
 /* Returns true if the string is safe to dereference from an event */
-static bool trace_safe_str(struct trace_iterator *iter, const char *str,
-			   bool star, int len)
+static bool trace_safe_str(struct trace_iterator *iter, const char *str)
 {
 	unsigned long addr = (unsigned long)str;
 	struct trace_event *trace_event;
 	struct trace_event_call *event;
-
-	/* Ignore strings with no length */
-	if (star && !len)
-		return true;
 
 	/* OK if part of the event data */
 	if ((addr >= (unsigned long)iter->ent) &&
···
 	return false;
 }
 
-static DEFINE_STATIC_KEY_FALSE(trace_no_verify);
-
-static int test_can_verify_check(const char *fmt, ...)
-{
-	char buf[16];
-	va_list ap;
-	int ret;
-
-	/*
-	 * The verifier is dependent on vsnprintf() modifies the va_list
-	 * passed to it, where it is sent as a reference. Some architectures
-	 * (like x86_32) passes it by value, which means that vsnprintf()
-	 * does not modify the va_list passed to it, and the verifier
-	 * would then need to be able to understand all the values that
-	 * vsnprintf can use. If it is passed by value, then the verifier
-	 * is disabled.
-	 */
-	va_start(ap, fmt);
-	vsnprintf(buf, 16, "%d", ap);
-	ret = va_arg(ap, int);
-	va_end(ap);
-
-	return ret;
-}
-
-static void test_can_verify(void)
-{
-	if (!test_can_verify_check("%d %d", 0, 1)) {
-		pr_info("trace event string verifier disabled\n");
-		static_branch_inc(&trace_no_verify);
-	}
-}
-
 /**
- * trace_check_vprintf - Check dereferenced strings while writing to the seq buffer
+ * ignore_event - Check dereferenced fields while writing to the seq buffer
  * @iter: The iterator that holds the seq buffer and the event being printed
- * @fmt: The format used to print the event
- * @ap: The va_list holding the data to print from @fmt.
  *
- * This writes the data into the @iter->seq buffer using the data from
- * @fmt and @ap. If the format has a %s, then the source of the string
- * is examined to make sure it is safe to print, otherwise it will
- * warn and print "[UNSAFE MEMORY]" in place of the dereferenced string
- * pointer.
+ * At boot up, test_event_printk() will flag any event that dereferences
+ * a string with "%s" that does exist in the ring buffer. It may still
+ * be valid, as the string may point to a static string in the kernel
+ * rodata that never gets freed. But if the string pointer is pointing
+ * to something that was allocated, there's a chance that it can be freed
+ * by the time the user reads the trace. This would cause a bad memory
+ * access by the kernel and possibly crash the system.
+ *
+ * This function will check if the event has any fields flagged as needing
+ * to be checked at runtime and perform those checks.
+ *
+ * If it is found that a field is unsafe, it will write into the @iter->seq
+ * a message stating what was found to be unsafe.
+ *
+ * @return: true if the event is unsafe and should be ignored,
+ *          false otherwise.
  */
-void trace_check_vprintf(struct trace_iterator *iter, const char *fmt,
-			 va_list ap)
+bool ignore_event(struct trace_iterator *iter)
 {
-	long text_delta = 0;
-	long data_delta = 0;
-	const char *p = fmt;
-	const char *str;
-	bool good;
-	int i, j;
+	struct ftrace_event_field *field;
+	struct trace_event *trace_event;
+	struct trace_event_call *event;
+	struct list_head *head;
+	struct trace_seq *seq;
+	const void *ptr;
 
-	if (WARN_ON_ONCE(!fmt))
-		return;
+	trace_event = ftrace_find_event(iter->ent->type);
 
-	if (static_branch_unlikely(&trace_no_verify))
-		goto print;
+	seq = &iter->seq;
 
-	/*
-	 * When the kernel is booted with the tp_printk command line
-	 * parameter, trace events go directly through to printk().
-	 * It also is checked by this function, but it does not
-	 * have an associated trace_array (tr) for it.
-	 */
-	if (iter->tr) {
-		text_delta = iter->tr->text_delta;
-		data_delta = iter->tr->data_delta;
+	if (!trace_event) {
+		trace_seq_printf(seq, "EVENT ID %d NOT FOUND?\n", iter->ent->type);
+		return true;
 	}
 
-	/* Don't bother checking when doing a ftrace_dump() */
-	if (iter->fmt == static_fmt_buf)
-		goto print;
+	event = container_of(trace_event, struct trace_event_call, event);
+	if (!(event->flags & TRACE_EVENT_FL_TEST_STR))
+		return false;
 
-	while (*p) {
-		bool star = false;
-		int len = 0;
+	head = trace_get_fields(event);
+	if (!head) {
+		trace_seq_printf(seq, "FIELDS FOR EVENT '%s' NOT FOUND?\n",
+				 trace_event_name(event));
+		return true;
+	}
 
-		j = 0;
+	/* Offsets are from the iter->ent that points to the raw event */
+	ptr = iter->ent;
 
-		/*
-		 * We only care about %s and variants
-		 * as well as %p[sS] if delta is non-zero
-		 */
-		for (i = 0; p[i]; i++) {
-			if (i + 1 >= iter->fmt_size) {
-				/*
-				 * If we can't expand the copy buffer,
-				 * just print it.
-				 */
-				if (!trace_iter_expand_format(iter))
-					goto print;
-			}
+	list_for_each_entry(field, head, link) {
+		const char *str;
+		bool good;
 
-			if (p[i] == '\\' && p[i+1]) {
-				i++;
-				continue;
-			}
-			if (p[i] == '%') {
-				/* Need to test cases like %08.*s */
-				for (j = 1; p[i+j]; j++) {
-					if (isdigit(p[i+j]) ||
-					    p[i+j] == '.')
-						continue;
-					if (p[i+j] == '*') {
-						star = true;
-						continue;
-					}
-					break;
-				}
-				if (p[i+j] == 's')
-					break;
-
-				if (text_delta && p[i+1] == 'p' &&
-				    ((p[i+2] == 's' || p[i+2] == 'S')))
-					break;
-
-				star = false;
-			}
-			j = 0;
-		}
-		/* If no %s found then just print normally */
-		if (!p[i])
-			break;
-
-		/* Copy up to the %s, and print that */
-		strncpy(iter->fmt, p, i);
-		iter->fmt[i] = '\0';
-		trace_seq_vprintf(&iter->seq, iter->fmt, ap);
-
-		/* Add delta to %pS pointers */
-		if (p[i+1] == 'p') {
-			unsigned long addr;
-			char fmt[4];
-
-			fmt[0] = '%';
-			fmt[1] = 'p';
-			fmt[2] = p[i+2]; /* Either %ps or %pS */
-			fmt[3] = '\0';
-
-			addr = va_arg(ap, unsigned long);
-			addr += text_delta;
-			trace_seq_printf(&iter->seq, fmt, (void *)addr);
-
-			p += i + 3;
+		if (!field->needs_test)
 			continue;
-		}
 
-		/*
-		 * If iter->seq is full, the above call no longer guarantees
-		 * that ap is in sync with fmt processing, and further calls
-		 * to va_arg() can return wrong positional arguments.
-		 *
-		 * Ensure that ap is no longer used in this case.
-		 */
-		if (iter->seq.full) {
-			p = "";
-			break;
-		}
+		str = *(const char **)(ptr + field->offset);
 
-		if (star)
-			len = va_arg(ap, int);
-
-		/* The ap now points to the string data of the %s */
-		str = va_arg(ap, const char *);
-
-		good = trace_safe_str(iter, str, star, len);
-
-		/* Could be from the last boot */
-		if (data_delta && !good) {
-			str += data_delta;
-			good = trace_safe_str(iter, str, star, len);
-		}
+		good = trace_safe_str(iter, str);
 
 		/*
 		 * If you hit this warning, it is likely that the
···
 		 * instead. See samples/trace_events/trace-events-sample.h
 		 * for reference.
 		 */
-		if (WARN_ONCE(!good, "fmt: '%s' current_buffer: '%s'",
-			      fmt, seq_buf_str(&iter->seq.seq))) {
-			int ret;
-
-			/* Try to safely read the string */
-			if (star) {
-				if (len + 1 > iter->fmt_size)
-					len = iter->fmt_size - 1;
-				if (len < 0)
-					len = 0;
-				ret = copy_from_kernel_nofault(iter->fmt, str, len);
-				iter->fmt[len] = 0;
-				star = false;
-			} else {
-				ret = strncpy_from_kernel_nofault(iter->fmt, str,
-								  iter->fmt_size);
-			}
-			if (ret < 0)
-				trace_seq_printf(&iter->seq, "(0x%px)", str);
-			else
-				trace_seq_printf(&iter->seq, "(0x%px:%s)",
-						 str, iter->fmt);
-			str = "[UNSAFE-MEMORY]";
-			strcpy(iter->fmt, "%s");
-		} else {
-			strncpy(iter->fmt, p + i, j + 1);
-			iter->fmt[j+1] = '\0';
+		if (WARN_ONCE(!good, "event '%s' has unsafe pointer field '%s'",
+			      trace_event_name(event), field->name)) {
+			trace_seq_printf(seq, "EVENT %s: HAS UNSAFE POINTER FIELD '%s'\n",
+					 trace_event_name(event), field->name);
+			return true;
 		}
-		if (star)
-			trace_seq_printf(&iter->seq, iter->fmt, len, str);
-		else
-			trace_seq_printf(&iter->seq, iter->fmt, str);
-
-		p += i + j + 1;
 	}
- print:
-	if (*p)
-		trace_seq_vprintf(&iter->seq, p, ap);
+	return false;
 }
 
 const char *trace_event_format(struct trace_iterator *iter, const char *fmt)
···
 	if (event) {
 		if (tr->trace_flags & TRACE_ITER_FIELDS)
 			return print_event_fields(iter, event);
+		/*
+		 * For TRACE_EVENT() events, the print_fmt is not
+		 * safe to use if the array has delta offsets
+		 * Force printing via the fields.
+		 */
+		if ((tr->text_delta || tr->data_delta) &&
+		    event->type > __TRACE_LAST_TYPE)
+			return print_event_fields(iter, event);
+
 		return event->funcs->trace(iter, sym_flags, event);
 	}
 
···
 	struct trace_array *tr = file_inode(filp)->i_private;
 	cpumask_var_t tracing_cpumask_new;
 	int err;
+
+	if (count == 0 || count > KMALLOC_MAX_SIZE)
+		return -EINVAL;
 
 	if (!zalloc_cpumask_var(&tracing_cpumask_new, GFP_KERNEL))
 		return -ENOMEM;
···
 	apply_trace_boot_options();
 
 	register_snapshot_cmd();
-
-	test_can_verify();
 
 	return 0;
 

kernel/trace/trace.h

···
 
 bool trace_is_tracepoint_string(const char *str);
 const char *trace_event_format(struct trace_iterator *iter, const char *fmt);
-void trace_check_vprintf(struct trace_iterator *iter, const char *fmt,
-			 va_list ap) __printf(2, 0);
 char *trace_iter_expand_format(struct trace_iterator *iter);
+bool ignore_event(struct trace_iterator *iter);
 
 int trace_empty(struct trace_iterator *iter);
 
···
 	int			filter_type;
 	int			offset;
 	int			size;
-	int			is_signed;
+	unsigned int		is_signed:1;
+	unsigned int		needs_test:1;
 	int			len;
 };
 

kernel/trace/trace_events.c

···
 	}
 
 static struct ftrace_event_field *
-__find_event_field(struct list_head *head, char *name)
+__find_event_field(struct list_head *head, const char *name)
 {
 	struct ftrace_event_field *field;
 
···
 
 static int __trace_define_field(struct list_head *head, const char *type,
 				const char *name, int offset, int size,
-				int is_signed, int filter_type, int len)
+				int is_signed, int filter_type, int len,
+				int need_test)
 {
 	struct ftrace_event_field *field;
 
···
 	field->offset = offset;
 	field->size = size;
 	field->is_signed = is_signed;
+	field->needs_test = need_test;
 	field->len = len;
 
 	list_add(&field->link, head);
···
 
 	head = trace_get_fields(call);
 	return __trace_define_field(head, type, name, offset, size,
-				    is_signed, filter_type, 0);
+				    is_signed, filter_type, 0, 0);
 }
 EXPORT_SYMBOL_GPL(trace_define_field);
 
 static int trace_define_field_ext(struct trace_event_call *call, const char *type,
 		       const char *name, int offset, int size, int is_signed,
-		       int filter_type, int len)
+		       int filter_type, int len, int need_test)
 {
 	struct list_head *head;
 
···
 
 	head = trace_get_fields(call);
 	return __trace_define_field(head, type, name, offset, size,
-				    is_signed, filter_type, len);
+				    is_signed, filter_type, len, need_test);
 }
 
 #define __generic_field(type, item, filter_type)			\
 	ret = __trace_define_field(&ftrace_generic_fields, #type,	\
 				   #item, 0, 0, is_signed_type(type),	\
-				   filter_type, 0);			\
+				   filter_type, 0, 0);			\
 	if (ret)							\
 		return ret;
 
···
 				   "common_" #item,			\
 				   offsetof(typeof(ent), item),		\
 				   sizeof(ent.item),			\
-				   is_signed_type(type), FILTER_OTHER, 0);	\
+				   is_signed_type(type), FILTER_OTHER,	\
+				   0, 0);				\
 	if (ret)							\
 		return ret;
 
···
 	return tail->offset + tail->size;
 }
 
-/*
- * Check if the referenced field is an array and return true,
- * as arrays are OK to dereference.
- */
-static bool test_field(const char *fmt, struct trace_event_call *call)
+
+static struct trace_event_fields *find_event_field(const char *fmt,
+						   struct trace_event_call *call)
 {
 	struct trace_event_fields *field = call->class->fields_array;
-	const char *array_descriptor;
 	const char *p = fmt;
 	int len;
 
 	if (!(len = str_has_prefix(fmt, "REC->")))
-		return false;
+		return NULL;
 	fmt += len;
 	for (p = fmt; *p; p++) {
 		if (!isalnum(*p) && *p != '_')
···
 	len = p - fmt;
 
 	for (; field->type; field++) {
-		if (strncmp(field->name, fmt, len) ||
-		    field->name[len])
+		if (strncmp(field->name, fmt, len) || field->name[len])
 			continue;
-		array_descriptor = strchr(field->type, '[');
-		/* This is an array and is OK to dereference. */
-		return array_descriptor != NULL;
+
+		return field;
+	}
+	return NULL;
+}
+
+/*
+ * Check if the referenced field is an array and return true,
+ * as arrays are OK to dereference.
+ */
+static bool test_field(const char *fmt, struct trace_event_call *call)
+{
+	struct trace_event_fields *field;
+
+	field = find_event_field(fmt, call);
+	if (!field)
+		return false;
+
+	/* This is an array and is OK to dereference. */
+	return strchr(field->type, '[') != NULL;
+}
+
+/* Look for a string within an argument */
+static bool find_print_string(const char *arg, const char *str, const char *end)
+{
+	const char *r;
+
+	r = strstr(arg, str);
+	return r && r < end;
+}
+
+/* Return true if the argument pointer is safe */
+static bool process_pointer(const char *fmt, int len, struct trace_event_call *call)
+{
+	const char *r, *e, *a;
+
+	e = fmt + len;
+
+	/* Find the REC-> in the argument */
+	r = strstr(fmt, "REC->");
+	if (r && r < e) {
+		/*
+		 * Addresses of events on the buffer, or an array on the buffer is
+		 * OK to dereference. There's ways to fool this, but
+		 * this is to catch common mistakes, not malicious code.
+		 */
+		a = strchr(fmt, '&');
+		if ((a && (a < r)) || test_field(r, call))
+			return true;
+	} else if (find_print_string(fmt, "__get_dynamic_array(", e)) {
+		return true;
+	} else if (find_print_string(fmt, "__get_rel_dynamic_array(", e)) {
+		return true;
+	} else if (find_print_string(fmt, "__get_dynamic_array_len(", e)) {
+		return true;
+	} else if (find_print_string(fmt, "__get_rel_dynamic_array_len(", e)) {
+		return true;
+	} else if (find_print_string(fmt, "__get_sockaddr(", e)) {
+		return true;
+	} else if (find_print_string(fmt, "__get_rel_sockaddr(", e)) {
+		return true;
 	}
 	return false;
+}
+
+/* Return true if the string is safe */
+static bool process_string(const char *fmt, int len, struct trace_event_call *call)
+{
+	struct trace_event_fields *field;
+	const char *r, *e, *s;
+
+	e = fmt + len;
+
+	/*
+	 * There are several helper functions that return strings.
+	 * If the argument contains a function, then assume its field is valid.
+	 * It is considered that the argument has a function if it has:
+	 *   alphanumeric or '_' before a parenthesis.
+	 */
+	s = fmt;
+	do {
+		r = strstr(s, "(");
+		if (!r || r >= e)
+			break;
+		for (int i = 1; r - i >= s; i++) {
+			char ch = *(r - i);
+			if (isspace(ch))
+				continue;
+			if (isalnum(ch) || ch == '_')
+				return true;
+			/* Anything else, this isn't a function */
+			break;
+		}
+		/* A function could be wrapped in parethesis, try the next one */
+		s = r + 1;
+	} while (s < e);
+
+	/*
+	 * Check for arrays. If the argument has: foo[REC->val]
+	 * then it is very likely that foo is an array of strings
+	 * that are safe to use.
+	 */
+	r = strstr(s, "[");
+	if (r && r < e) {
+		r = strstr(r, "REC->");
+		if (r && r < e)
+			return true;
+	}
+
+	/*
+	 * If there's any strings in the argument consider this arg OK as it
+	 * could be: REC->field ? "foo" : "bar" and we don't want to get into
+	 * verifying that logic here.
+	 */
+	if (find_print_string(fmt, "\"", e))
+		return true;
+
+	/* Dereferenced strings are also valid like any other pointer */
+	if (process_pointer(fmt, len, call))
+		return true;
+
+	/* Make sure the field is found */
+	field = find_event_field(fmt, call);
+	if (!field)
+		return false;
+
+	/* Test this field's string before printing the event */
+	call->flags |= TRACE_EVENT_FL_TEST_STR;
+	field->needs_test = 1;
+
+	return true;
 }
 
 /*
···
 static void test_event_printk(struct trace_event_call *call)
 {
 	u64 dereference_flags = 0;
+	u64 string_flags = 0;
 	bool first = true;
-	const char *fmt, *c, *r, *a;
+	const char *fmt;
 	int parens = 0;
 	char in_quote = 0;
 	int start_arg = 0;
 	int arg = 0;
-	int i;
+	int i, e;
 
 	fmt = call->print_fmt;
 
···
 						star = true;
 						continue;
 					}
-					if ((fmt[i + j] == 's') && star)
-						arg++;
+					if ((fmt[i + j] == 's')) {
+						if (star)
+							arg++;
+						if (WARN_ONCE(arg == 63,
+							      "Too many args for event: %s",
+							      trace_event_name(call)))
+							return;
+						dereference_flags |= 1ULL << arg;
+						string_flags |= 1ULL << arg;
+					}
 					break;
 				}
 				break;
···
 		case ',':
 			if (in_quote || parens)
 				continue;
+			e = i;
 			i++;
 			while (isspace(fmt[i]))
 				i++;
-			start_arg = i;
-			if (!(dereference_flags & (1ULL << arg)))
-				goto next_arg;
 
-			/* Find the REC-> in the argument */
-			c = strchr(fmt + i, ',');
-			r = strstr(fmt + i, "REC->");
-			if (r && (!c || r < c)) {
-				/*
-				 * Addresses of events on the buffer,
-				 * or an array on the buffer is
-				 * OK to dereference.
-				 * There's ways to fool this, but
-				 * this is to catch common mistakes,
-				 * not malicious code.
-				 */
-				a = strchr(fmt + i, '&');
-				if ((a && (a < r)) || test_field(r, call))
-					dereference_flags &= ~(1ULL << arg);
-			} else if ((r = strstr(fmt + i, "__get_dynamic_array(")) &&
-				   (!c || r < c)) {
-				dereference_flags &= ~(1ULL << arg);
-			} else if ((r = strstr(fmt + i, "__get_sockaddr(")) &&
-				   (!c || r < c)) {
-				dereference_flags &= ~(1ULL << arg);
+			/*
+			 * If start_arg is zero, then this is the start of the
+			 * first argument. The processing of the argument happens
+			 * when the end of the argument is found, as it needs to
+			 * handle paranthesis and such.
+			 */
+			if (!start_arg) {
+				start_arg = i;
+				/* Balance out the i++ in the for loop */
+				i--;
+				continue;
 			}
 
-		next_arg:
-			i--;
+			if (dereference_flags & (1ULL << arg)) {
+				if (string_flags & (1ULL << arg)) {
+					if (process_string(fmt + start_arg, e - start_arg, call))
+						dereference_flags &= ~(1ULL << arg);
+				} else if (process_pointer(fmt + start_arg, e - start_arg, call))
+					dereference_flags &= ~(1ULL << arg);
+			}
+
+			start_arg = i;
 			arg++;
+			/* Balance out the i++ in the for loop */
+			i--;
 		}
+	}
+
+	if (dereference_flags & (1ULL << arg)) {
+		if (string_flags & (1ULL << arg)) {
+			if (process_string(fmt + start_arg, i - start_arg, call))
+				dereference_flags &= ~(1ULL << arg);
+		} else if (process_pointer(fmt + start_arg, i - start_arg, call))
+			dereference_flags &= ~(1ULL << arg);
 	}
 
 	/*
···
 			ret = trace_define_field_ext(call, field->type, field->name,
 						 offset, field->size,
 						 field->is_signed, field->filter_type,
-						 field->len);
+						 field->len, field->needs_test);
 			if (WARN_ON_ONCE(ret)) {
 				pr_err("error code is %d\n", ret);
 				break;

kernel/trace/trace_functions.c

···
 	tracing_reset_online_cpus(&tr->array_buffer);
 }
 
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+/* fregs are guaranteed not to be NULL if HAVE_DYNAMIC_FTRACE_WITH_ARGS is set */
+#if defined(CONFIG_FUNCTION_GRAPH_TRACER) && defined(CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS)
 static __always_inline unsigned long
 function_get_true_parent_ip(unsigned long parent_ip, struct ftrace_regs *fregs)
 {

kernel/trace/trace_kprobe.c

···
 
 static struct notifier_block trace_kprobe_module_nb = {
 	.notifier_call = trace_kprobe_module_callback,
-	.priority = 1	/* Invoked after kprobe module callback */
+	.priority = 2	/* Invoked after kprobe and jump_label module callback */
 };
 static int trace_kprobe_register_module_notifier(void)
 {
···
 		}
 		/* a symbol specified */
 		symbol = kstrdup(argv[1], GFP_KERNEL);
-		if (!symbol)
-			return -ENOMEM;
+		if (!symbol) {
+			ret = -ENOMEM;
+			goto error;
+		}
 
 		tmp = strchr(symbol, '%');
 		if (tmp) {

kernel/trace/trace_output.c

···
 
 void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...)
 {
+	struct trace_seq *s = &iter->seq;
 	va_list ap;
 
+	if (ignore_event(iter))
+		return;
+
 	va_start(ap, fmt);
-	trace_check_vprintf(iter, trace_event_format(iter, fmt), ap);
+	trace_seq_vprintf(s, trace_event_format(iter, fmt), ap);
 	va_end(ap);
 }
 EXPORT_SYMBOL(trace_event_printf);

kernel/workqueue.c

···
 		return;
 	}
 
+	WARN_ON_ONCE(cpu != WORK_CPU_UNBOUND && !cpu_online(cpu));
 	dwork->wq = wq;
 	dwork->cpu = cpu;
 	timer->expires = jiffies + delay;
···
  * @wq: workqueue to use
  * @dwork: work to queue
  * @delay: number of jiffies to wait before queueing
+ *
+ * We queue the delayed_work to a specific CPU, for non-zero delays the
+ * caller must ensure it is online and can't go away. Callers that fail
+ * to ensure this, may get @dwork->timer queued to an offlined CPU and
+ * this will prevent queueing of @dwork->work unless the offlined CPU
+ * becomes online again.
  *
  * Return: %false if @work was already on a queue, %true otherwise.  If
  * @delay is zero and @dwork is idle, it will be scheduled for immediate
···
  * check_flush_dependency - check for flush dependency sanity
  * @target_wq: workqueue being flushed
  * @target_work: work item being flushed (NULL for workqueue flushes)
+ * @from_cancel: are we called from the work cancel path
  *
  * %current is trying to flush the whole @target_wq or @target_work on it.
- * If @target_wq doesn't have %WQ_MEM_RECLAIM, verify that %current is not
- * reclaiming memory or running on a workqueue which doesn't have
- * %WQ_MEM_RECLAIM as that can break forward-progress guarantee leading to
- * a deadlock.
+ * If this is not the cancel path (which implies work being flushed is either
+ * already running, or will not be at all), check if @target_wq doesn't have
+ * %WQ_MEM_RECLAIM and verify that %current is not reclaiming memory or running
+ * on a workqueue which doesn't have %WQ_MEM_RECLAIM as that can break forward-
+ * progress guarantee leading to a deadlock.
  */
 static void check_flush_dependency(struct workqueue_struct *target_wq,
-				   struct work_struct *target_work)
+				   struct work_struct *target_work,
+				   bool from_cancel)
 {
-	work_func_t target_func = target_work ? target_work->func : NULL;
+	work_func_t target_func;
 	struct worker *worker;
 
-	if (target_wq->flags & WQ_MEM_RECLAIM)
+	if (from_cancel || target_wq->flags & WQ_MEM_RECLAIM)
 		return;
 
 	worker = current_wq_worker();
+	target_func = target_work ? target_work->func : NULL;
 
 	WARN_ONCE(current->flags & PF_MEMALLOC,
 		  "workqueue: PF_MEMALLOC task %d(%s) is flushing !WQ_MEM_RECLAIM %s:%ps",
···
 		list_add_tail(&this_flusher.list, &wq->flusher_overflow);
 	}
 
-	check_flush_dependency(wq, NULL);
+	check_flush_dependency(wq, NULL, false);
 
 	mutex_unlock(&wq->mutex);
 
···
 	}
 
 	wq = pwq->wq;
-	check_flush_dependency(wq, work);
+	check_flush_dependency(wq, work, from_cancel);
 
 	insert_wq_barrier(pwq, barr, work, worker);
 	raw_spin_unlock_irq(&pool->lock);
···
 	} while (activated);
 }
 
+__printf(1, 0)
 static struct workqueue_struct *__alloc_workqueue(const char *fmt,
 						  unsigned int flags,
 						  int max_active, va_list args)

lib/alloc_tag.c

···
 		return;
 	}
 
+	/*
+	 * Clear tag references to avoid debug warning when using
+	 * __alloc_tag_ref_set() with non-empty reference.
+	 */
+	set_codetag_empty(&ref_old);
+	set_codetag_empty(&ref_new);
+
 	/* swap tags */
 	__alloc_tag_ref_set(&ref_old, tag_new);
 	update_page_tag_ref(handle_old, &ref_old);
···
 
 static int vm_module_tags_populate(void)
 {
-	unsigned long phys_size = vm_module_tags->nr_pages << PAGE_SHIFT;
+	unsigned long phys_end = ALIGN_DOWN(module_tags.start_addr, PAGE_SIZE) +
+				 (vm_module_tags->nr_pages << PAGE_SHIFT);
+	unsigned long new_end = module_tags.start_addr + module_tags.size;
 
-	if (phys_size < module_tags.size) {
+	if (phys_end < new_end) {
 		struct page **next_page = vm_module_tags->pages + vm_module_tags->nr_pages;
-		unsigned long addr = module_tags.start_addr + phys_size;
+		unsigned long old_shadow_end = ALIGN(phys_end, MODULE_ALIGN);
+		unsigned long new_shadow_end = ALIGN(new_end, MODULE_ALIGN);
 		unsigned long more_pages;
 		unsigned long nr;
 
-		more_pages = ALIGN(module_tags.size - phys_size, PAGE_SIZE) >> PAGE_SHIFT;
+		more_pages = ALIGN(new_end - phys_end, PAGE_SIZE) >> PAGE_SHIFT;
 		nr = alloc_pages_bulk_array_node(GFP_KERNEL | __GFP_NOWARN,
 						 NUMA_NO_NODE, more_pages, next_page);
 		if (nr < more_pages ||
-		    vmap_pages_range(addr, addr + (nr << PAGE_SHIFT), PAGE_KERNEL,
+		    vmap_pages_range(phys_end, phys_end + (nr << PAGE_SHIFT), PAGE_KERNEL,
 				     next_page, PAGE_SHIFT) < 0) {
 			/* Clean up and error out */
 			for (int i = 0; i < nr; i++)
 				__free_page(next_page[i]);
 			return -ENOMEM;
 		}
+
 		vm_module_tags->nr_pages += nr;
+
+		/*
+		 * Kasan allocates 1 byte of shadow for every 8 bytes of data.
+		 * When kasan_alloc_module_shadow allocates shadow memory,
+		 * its unit of allocation is a page.
+		 * Therefore, here we need to align to MODULE_ALIGN.
+		 */
+		if (old_shadow_end < new_shadow_end)
+			kasan_alloc_module_shadow((void *)old_shadow_end,
+						  new_shadow_end - old_shadow_end,
+						  GFP_KERNEL);
 	}
+
+	/*
+	 * Mark the pages as accessible, now that they are mapped.
+	 * With hardware tag-based KASAN, marking is skipped for
+	 * non-VM_ALLOC mappings, see __kasan_unpoison_vmalloc().
+	 */
+	kasan_unpoison_vmalloc((void *)module_tags.start_addr,
+				new_end - module_tags.start_addr,
+				KASAN_VMALLOC_PROT_NORMAL);
 
 	return 0;
 }

lib/maple_tree.c

···
 		ret = 1;
 	}
 	if (ret < 0 && range_lo > min) {
+		mas_reset(mas);
 		ret = mas_empty_area(mas, min, range_hi, 1);
 		if (ret == 0)
 			ret = 1;

mm/damon/core.c

···
 				NUMA_NO_NODE);
 		if (!new_scheme)
 			return -ENOMEM;
+		err = damos_commit(new_scheme, src_scheme);
+		if (err) {
+			damon_destroy_scheme(new_scheme);
+			return err;
+		}
 		damon_add_scheme(dst, new_scheme);
 	}
 	return 0;
···
 			return -ENOMEM;
 		err = damon_commit_target(new_target, false,
 				src_target, damon_target_has_pid(src));
-		if (err)
+		if (err) {
+			damon_destroy_target(new_target);
 			return err;
+		}
+		damon_add_target(dst, new_target);
 	}
 	return 0;
 }

mm/filemap.c

···
  *    ->private_lock		(zap_pte_range->block_dirty_folio)
  */
 
-static void mapping_set_update(struct xa_state *xas,
-		struct address_space *mapping)
-{
-	if (dax_mapping(mapping) || shmem_mapping(mapping))
-		return;
-	xas_set_update(xas, workingset_update_node);
-	xas_set_lru(xas, &shadow_nodes);
-}
-
 static void page_cache_delete(struct address_space *mapping,
 				   struct folio *folio, void *shadow)
 {

mm/huge_memory.c

···
 	folio_throttle_swaprate(folio, gfp);
 
        /*
-	* When a folio is not zeroed during allocation (__GFP_ZERO not used),
-	* folio_zero_user() is used to make sure that the page corresponding
-	* to the faulting address will be hot in the cache after zeroing.
+	* When a folio is not zeroed during allocation (__GFP_ZERO not used)
+	* or user folios require special handling, folio_zero_user() is used to
+	* make sure that the page corresponding to the faulting address will be
+	* hot in the cache after zeroing.
 	*/
-	if (!alloc_zeroed())
+	if (user_alloc_needs_zeroing())
 		folio_zero_user(folio, addr);
 	/*
 	 * The memory barrier inside __folio_mark_uptodate makes sure that
···
 		    !list_empty(&folio->_deferred_list)) {
 			ds_queue->split_queue_len--;
 			if (folio_test_partially_mapped(folio)) {
-				__folio_clear_partially_mapped(folio);
+				folio_clear_partially_mapped(folio);
 				mod_mthp_stat(folio_order(folio),
 					      MTHP_STAT_NR_ANON_PARTIALLY_MAPPED, -1);
 			}
···
 	if (!list_empty(&folio->_deferred_list)) {
 		ds_queue->split_queue_len--;
 		if (folio_test_partially_mapped(folio)) {
-			__folio_clear_partially_mapped(folio);
+			folio_clear_partially_mapped(folio);
 			mod_mthp_stat(folio_order(folio),
 				      MTHP_STAT_NR_ANON_PARTIALLY_MAPPED, -1);
 		}
···
 	spin_lock_irqsave(&ds_queue->split_queue_lock, flags);
 	if (partially_mapped) {
 		if (!folio_test_partially_mapped(folio)) {
-			__folio_set_partially_mapped(folio);
+			folio_set_partially_mapped(folio);
 			if (folio_test_pmd_mappable(folio))
 				count_vm_event(THP_DEFERRED_SPLIT_PAGE);
 			count_mthp_stat(folio_order(folio), MTHP_STAT_SPLIT_DEFERRED);
···
 		} else {
 			/* We lost race with folio_put() */
 			if (folio_test_partially_mapped(folio)) {
-				__folio_clear_partially_mapped(folio);
+				folio_clear_partially_mapped(folio);
 				mod_mthp_stat(folio_order(folio),
 					      MTHP_STAT_NR_ANON_PARTIALLY_MAPPED, -1);
 			}
···
 		size_t input_len = strlen(input_buf);
 
 		tok = strsep(&buf, ",");
-		if (tok) {
+		if (tok && buf) {
 			strscpy(file_path, tok);
 		} else {
 			ret = -EINVAL;

mm/hugetlb.c

···
 					break;
 				}
 				ret = copy_user_large_folio(new_folio, pte_folio,
-						ALIGN_DOWN(addr, sz), dst_vma);
+							    addr, dst_vma);
 				folio_put(pte_folio);
 				if (ret) {
 					folio_put(new_folio);
···
 			*foliop = NULL;
 			goto out;
 		}
-		ret = copy_user_large_folio(folio, *foliop,
-					    ALIGN_DOWN(dst_addr, size), dst_vma);
+		ret = copy_user_large_folio(folio, *foliop, dst_addr, dst_vma);
 		folio_put(*foliop);
 		*foliop = NULL;
 		if (ret) {
···
 			spte = hugetlb_walk(svma, saddr,
 					    vma_mmu_pagesize(svma));
 			if (spte) {
-				get_page(virt_to_page(spte));
+				ptdesc_pmd_pts_inc(virt_to_ptdesc(spte));
 				break;
 			}
 		}
···
 				(pmd_t *)((unsigned long)spte & PAGE_MASK));
 		mm_inc_nr_pmds(mm);
 	} else {
-		put_page(virt_to_page(spte));
+		ptdesc_pmd_pts_dec(virt_to_ptdesc(spte));
 	}
 	spin_unlock(&mm->page_table_lock);
 out:
···
 /*
  * unmap huge page backed by shared pte.
  *
- * Hugetlb pte page is ref counted at the time of mapping.  If pte is shared
- * indicated by page_count > 1, unmap is achieved by clearing pud and
- * decrementing the ref count. If count == 1, the pte page is not shared.
- *
  * Called with page table lock held.
  *
  * returns: 1 successfully unmapped a shared pte page
···
 int huge_pmd_unshare(struct mm_struct *mm, struct vm_area_struct *vma,
 					unsigned long addr, pte_t *ptep)
 {
+	unsigned long sz = huge_page_size(hstate_vma(vma));
 	pgd_t *pgd = pgd_offset(mm, addr);
 	p4d_t *p4d = p4d_offset(pgd, addr);
 	pud_t *pud = pud_offset(p4d, addr);
 
 	i_mmap_assert_write_locked(vma->vm_file->f_mapping);
 	hugetlb_vma_assert_locked(vma);
-	BUG_ON(page_count(virt_to_page(ptep)) == 0);
-	if (page_count(virt_to_page(ptep)) == 1)
+	if (sz != PMD_SIZE)
+		return 0;
+	if (!ptdesc_pmd_pts_count(virt_to_ptdesc(ptep)))
 		return 0;
 
 	pud_clear(pud);
-	put_page(virt_to_page(ptep));
+	ptdesc_pmd_pts_dec(virt_to_ptdesc(ptep));
 	mm_dec_nr_pmds(mm);
 	return 1;
 }

mm/internal.h

···
 void touch_pmd(struct vm_area_struct *vma, unsigned long addr,
 	       pmd_t *pmd, bool write);
 
-static inline bool alloc_zeroed(void)
-{
-	return static_branch_maybe(CONFIG_INIT_ON_ALLOC_DEFAULT_ON,
-			&init_on_alloc);
-}
-
 /*
  * Parses a string with mem suffixes into its order. Useful to parse kernel
  * parameters.
···
 /* Only track the nodes of mappings with shadow entries */
 void workingset_update_node(struct xa_node *node);
 extern struct list_lru shadow_nodes;
+#define mapping_set_update(xas, mapping) do {			\
+	if (!dax_mapping(mapping) && !shmem_mapping(mapping)) {	\
+		xas_set_update(xas, workingset_update_node);	\
+		xas_set_lru(xas, &shadow_nodes);		\
+	}							\
+} while (0)
 
 /* mremap.c */
 unsigned long move_page_tables(struct vm_area_struct *vma,

mm/khugepaged.c

···
 #include <linux/rcupdate_wait.h>
 #include <linux/swapops.h>
 #include <linux/shmem_fs.h>
+#include <linux/dax.h>
 #include <linux/ksm.h>
 
 #include <asm/tlb.h>
···
 	result = alloc_charge_folio(&new_folio, mm, cc);
 	if (result != SCAN_SUCCEED)
 		goto out;
+
+	mapping_set_update(&xas, mapping);
 
 	__folio_set_locked(new_folio);
 	if (is_shmem)

mm/kmemleak.c

···
 
 	for (i = 0; i < nr_entries; i++) {
 		void *ptr = (void *)entries[i];
-		warn_or_seq_printf(seq, "    [<%pK>] %pS\n", ptr, ptr);
+		warn_or_seq_printf(seq, "    %pS\n", ptr);
 	}
 }
 

mm/list_lru.c

···
 			spin_lock(&l->lock);
 		nr_items = READ_ONCE(l->nr_items);
 		if (likely(nr_items != LONG_MIN)) {
-			WARN_ON(nr_items < 0);
 			rcu_read_unlock();
 			return l;
 		}
···
 
 	list_splice_init(&src->list, &dst->list);
 	if (src->nr_items) {
+		WARN_ON(src->nr_items < 0);
 		dst->nr_items += src->nr_items;
 		set_shrinker_bit(dst_memcg, nid, lru_shrinker_id(lru));
 	}

mm/memfd.c

···
 	return error;
 }
 
-static unsigned int *memfd_file_seals_ptr(struct file *file)
+unsigned int *memfd_file_seals_ptr(struct file *file)
 {
 	if (shmem_file(file))
 		return &SHMEM_I(file_inode(file))->seals;

mm/memory.c

···
 			folio_throttle_swaprate(folio, gfp);
 			/*
 			 * When a folio is not zeroed during allocation
-			 * (__GFP_ZERO not used), folio_zero_user() is used
-			 * to make sure that the page corresponding to the
-			 * faulting address will be hot in the cache after
-			 * zeroing.
+			 * (__GFP_ZERO not used) or user folios require special
+			 * handling, folio_zero_user() is used to make sure
+			 * that the page corresponding to the faulting address
+			 * will be hot in the cache after zeroing.
 			 */
-			if (!alloc_zeroed())
+			if (user_alloc_needs_zeroing())
 				folio_zero_user(folio, vmf->address);
 			return folio;
 		}
···
 	return 0;
 }
 
-static void clear_gigantic_page(struct folio *folio, unsigned long addr,
+static void clear_gigantic_page(struct folio *folio, unsigned long addr_hint,
 				unsigned int nr_pages)
 {
+	unsigned long addr = ALIGN_DOWN(addr_hint, folio_size(folio));
 	int i;
 
 	might_sleep();
···
 }
 
 static int copy_user_gigantic_page(struct folio *dst, struct folio *src,
-				   unsigned long addr,
+				   unsigned long addr_hint,
 				   struct vm_area_struct *vma,
 				   unsigned int nr_pages)
 {
-	int i;
+	unsigned long addr = ALIGN_DOWN(addr_hint, folio_size(dst));
 	struct page *dst_page;
 	struct page *src_page;
+	int i;
 
 	for (i = 0; i < nr_pages; i++) {
 		dst_page = folio_page(dst, i);

mm/mmap.c

···
 #include <linux/oom.h>
 #include <linux/sched/mm.h>
 #include <linux/ksm.h>
+#include <linux/memfd.h>
 
 #include <linux/uaccess.h>
 #include <asm/cacheflush.h>
···
 
 	if (file) {
 		struct inode *inode = file_inode(file);
+		unsigned int seals = memfd_file_seals(file);
 		unsigned long flags_mask;
 
 		if (!file_mmap_ok(file, inode, pgoff, len))
···
 			vm_flags |= VM_SHARED | VM_MAYSHARE;
 			if (!(file->f_mode & FMODE_WRITE))
 				vm_flags &= ~(VM_MAYWRITE | VM_SHARED);
+			else if (is_readonly_sealed(seals, vm_flags))
+				vm_flags &= ~VM_MAYWRITE;
 			fallthrough;
 		case MAP_PRIVATE:
 			if (!(file->f_mode & FMODE_READ))
···
 
 	if (get_area) {
 		addr = get_area(file, addr, len, pgoff, flags);
-	} else if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)
+	} else if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) && !file
 		   && !addr /* no hint */
 		   && IS_ALIGNED(len, PMD_SIZE)) {
 		/* Ensures that larger anonymous mappings are THP aligned. */

mm/page_alloc.c

···
 	if (order > pageblock_order)
 		order = pageblock_order;
 
-	while (pfn != end) {
+	do {
 		int mt = get_pfnblock_migratetype(page, pfn);
 
 		__free_one_page(page, pfn, zone, order, mt, fpi);
 		pfn += 1 << order;
+		if (pfn == end)
+			break;
 		page = pfn_to_page(pfn);
-	}
+	} while (1);
 }
 
 static void free_one_page(struct zone *zone, struct page *page,

mm/pgtable-generic.c

···
 static void pmdp_get_lockless_end(unsigned long irqflags) { }
 #endif
 
-pte_t *__pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp)
+pte_t *___pte_offset_map(pmd_t *pmd, unsigned long addr, pmd_t *pmdvalp)
 {
 	unsigned long irqflags;
 	pmd_t pmdval;

mm/readahead.c

···
 			1UL << order);
 	if (index == expected) {
 		ra->start += ra->size;
-		ra->size = get_next_ra_size(ra, max_pages);
+		/*
+		 * In the case of MADV_HUGEPAGE, the actual size might exceed
+		 * the readahead window.
+		 */
+		ra->size = max(ra->size, get_next_ra_size(ra, max_pages));
 		ra->async_size = ra->size;
 		goto readit;
 	}

mm/shmem.c

···
 }
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 
+static void shmem_update_stats(struct folio *folio, int nr_pages)
+{
+	if (folio_test_pmd_mappable(folio))
+		__lruvec_stat_mod_folio(folio, NR_SHMEM_THPS, nr_pages);
+	__lruvec_stat_mod_folio(folio, NR_FILE_PAGES, nr_pages);
+	__lruvec_stat_mod_folio(folio, NR_SHMEM, nr_pages);
+}
+
 /*
  * Somewhat like filemap_add_folio, but error if expected item has gone.
  */
···
 		xas_store(&xas, folio);
 		if (xas_error(&xas))
 			goto unlock;
-		if (folio_test_pmd_mappable(folio))
-			__lruvec_stat_mod_folio(folio, NR_SHMEM_THPS, nr);
-		__lruvec_stat_mod_folio(folio, NR_FILE_PAGES, nr);
-		__lruvec_stat_mod_folio(folio, NR_SHMEM, nr);
+		shmem_update_stats(folio, nr);
 		mapping->nrpages += nr;
 unlock:
 		xas_unlock_irq(&xas);
···
 	error = shmem_replace_entry(mapping, folio->index, folio, radswap);
 	folio->mapping = NULL;
 	mapping->nrpages -= nr;
-	__lruvec_stat_mod_folio(folio, NR_FILE_PAGES, -nr);
-	__lruvec_stat_mod_folio(folio, NR_SHMEM, -nr);
+	shmem_update_stats(folio, -nr);
 	xa_unlock_irq(&mapping->i_pages);
 	folio_put_refs(folio, nr);
 	BUG_ON(error);
···
 			    !shmem_falloc->waitq &&
 			    index >= shmem_falloc->start &&
 			    index < shmem_falloc->next)
-				shmem_falloc->nr_unswapped++;
+				shmem_falloc->nr_unswapped += nr_pages;
 			else
 				shmem_falloc = NULL;
 			spin_unlock(&inode->i_lock);
···
 	unsigned long mask = READ_ONCE(huge_shmem_orders_always);
 	unsigned long within_size_orders = READ_ONCE(huge_shmem_orders_within_size);
 	unsigned long vm_flags = vma ? vma->vm_flags : 0;
+	pgoff_t aligned_index;
 	bool global_huge;
 	loff_t i_size;
 	int order;
···
 	/* Allow mTHP that will be fully within i_size. */
 	order = highest_order(within_size_orders);
 	while (within_size_orders) {
-		index = round_up(index + 1, order);
+		aligned_index = round_up(index + 1, 1 << order);
 		i_size = round_up(i_size_read(inode), PAGE_SIZE);
-		if (i_size >> PAGE_SHIFT >= index) {
+		if (i_size >> PAGE_SHIFT >= aligned_index) {
 			mask |= within_size_orders;
 			break;
 		}
···
 	}
 	if (!error) {
 		mem_cgroup_replace_folio(old, new);
-		__lruvec_stat_mod_folio(new, NR_FILE_PAGES, nr_pages);
-		__lruvec_stat_mod_folio(new, NR_SHMEM, nr_pages);
-		__lruvec_stat_mod_folio(old, NR_FILE_PAGES, -nr_pages);
-		__lruvec_stat_mod_folio(old, NR_SHMEM, -nr_pages);
+		shmem_update_stats(new, nr_pages);
+		shmem_update_stats(old, -nr_pages);
 	}
 	xa_unlock_irq(&swap_mapping->i_pages);
 

mm/util.c

···
 {
 	char *p;
 
-	/*
-	 * Always use GFP_KERNEL, since copy_from_user() can sleep and
-	 * cause pagefault, which makes it pointless to use GFP_NOFS
-	 * or GFP_ATOMIC.
-	 */
-	p = kmalloc_track_caller(len + 1, GFP_KERNEL);
+	p = kmem_buckets_alloc_track_caller(user_buckets, len + 1, GFP_USER | __GFP_NOWARN);
 	if (!p)
 		return ERR_PTR(-ENOMEM);
 

mm/vma.c

···
 
 	/* If flags changed, we might be able to merge, so try again. */
 	if (map.retry_merge) {
+		struct vm_area_struct *merged;
 		VMG_MMAP_STATE(vmg, &map, vma);
 
 		vma_iter_config(map.vmi, map.addr, map.end);
-		vma_merge_existing_range(&vmg);
+		merged = vma_merge_existing_range(&vmg);
+		if (merged)
+			vma = merged;
 	}
 
 	__mmap_complete(&map, vma);

mm/vmalloc.c

···
 		struct page *page = vm->pages[i];
 
 		BUG_ON(!page);
-		mod_memcg_page_state(page, MEMCG_VMALLOC, -1);
+		if (!(vm->flags & VM_MAP_PUT_PAGES))
+			mod_memcg_page_state(page, MEMCG_VMALLOC, -1);
 		/*
 		 * High-order allocs for huge vmallocs are split, so
 		 * can be freed as an array of order-0 allocations
···
 		__free_page(page);
 		cond_resched();
 	}
-	atomic_long_sub(vm->nr_pages, &nr_vmalloc_pages);
+	if (!(vm->flags & VM_MAP_PUT_PAGES))
+		atomic_long_sub(vm->nr_pages, &nr_vmalloc_pages);
 	kvfree(vm->pages);
 	kfree(vm);
 }

mm/vmscan.c

···
 	if (can_reclaim_anon_pages(NULL, zone_to_nid(zone), NULL))
 		nr += zone_page_state_snapshot(zone, NR_ZONE_INACTIVE_ANON) +
 			zone_page_state_snapshot(zone, NR_ZONE_ACTIVE_ANON);
-
+	/*
+	 * If there are no reclaimable file-backed or anonymous pages,
+	 * ensure zones with sufficient free pages are not skipped.
+	 * This prevents zones like DMA32 from being ignored in reclaim
+	 * scenarios where they can still help alleviate memory pressure.
+	 */
+	if (nr == 0)
+		nr = zone_page_state_snapshot(zone, NR_FREE_PAGES);
 	return nr;
 }
 

mm/zswap.c

···
 	return 0;
 }
 
+/* Prevent CPU hotplug from freeing up the per-CPU acomp_ctx resources */
+static struct crypto_acomp_ctx *acomp_ctx_get_cpu(struct crypto_acomp_ctx __percpu *acomp_ctx)
+{
+	cpus_read_lock();
+	return raw_cpu_ptr(acomp_ctx);
+}
+
+static void acomp_ctx_put_cpu(void)
+{
+	cpus_read_unlock();
+}
+
 static bool zswap_compress(struct page *page, struct zswap_entry *entry,
 			   struct zswap_pool *pool)
 {
···
 	gfp_t gfp;
 	u8 *dst;
 
-	acomp_ctx = raw_cpu_ptr(pool->acomp_ctx);
-
+	acomp_ctx = acomp_ctx_get_cpu(pool->acomp_ctx);
 	mutex_lock(&acomp_ctx->mutex);
 
 	dst = acomp_ctx->buffer;
···
 		zswap_reject_alloc_fail++;
 
 	mutex_unlock(&acomp_ctx->mutex);
+	acomp_ctx_put_cpu();
 	return comp_ret == 0 && alloc_ret == 0;
 }
 
···
 	struct crypto_acomp_ctx *acomp_ctx;
 	u8 *src;
 
-	acomp_ctx = raw_cpu_ptr(entry->pool->acomp_ctx);
+	acomp_ctx = acomp_ctx_get_cpu(entry->pool->acomp_ctx);
 	mutex_lock(&acomp_ctx->mutex);
 
 	src = zpool_map_handle(zpool, entry->handle, ZPOOL_MM_RO);
···
 
 	if (src != acomp_ctx->buffer)
 		zpool_unmap_handle(zpool, entry->handle);
+	acomp_ctx_put_cpu();
 }
 
 /*********************************

net/802/psnap.c

···
 		goto drop;
 
 	rcu_read_lock();
-	proto = find_snap_client(skb_transport_header(skb));
+	proto = find_snap_client(skb->data);
 	if (proto) {
 		/* Pass the frame on. */
-		skb->transport_header += 5;
 		skb_pull_rcsum(skb, 5);
+		skb_reset_transport_header(skb);
 		rc = proto->rcvfunc(skb, dev, &snap_packet_type, orig_dev);
 	}
 	rcu_read_unlock();

net/bluetooth/hci_sync.c

···
 
 static int hci_set_random_addr_sync(struct hci_dev *hdev, bdaddr_t *rpa)
 {
-	/* If we're advertising or initiating an LE connection we can't
-	 * go ahead and change the random address at this time. This is
-	 * because the eventual initiator address used for the
+	/* If a random_addr has been set we're advertising or initiating an LE
+	 * connection we can't go ahead and change the random address at this
+	 * time. This is because the eventual initiator address used for the
 	 * subsequently created connection will be undefined (some
 	 * controllers use the new address and others the one we had
 	 * when the operation started).
···
 	 * In this kind of scenario skip the update and let the random
 	 * address be updated at the next cycle.
 	 */
-	if (hci_dev_test_flag(hdev, HCI_LE_ADV) ||
-	    hci_lookup_le_connect(hdev)) {
+	if (bacmp(&hdev->random_addr, BDADDR_ANY) &&
+	    (hci_dev_test_flag(hdev, HCI_LE_ADV) ||
+	    hci_lookup_le_connect(hdev))) {
 		bt_dev_dbg(hdev, "Deferring random address update");
 		hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
 		return 0;

net/bluetooth/mgmt.c

···
 	mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
 }
 
+static void add_device_complete(struct hci_dev *hdev, void *data, int err)
+{
+	struct mgmt_pending_cmd *cmd = data;
+	struct mgmt_cp_add_device *cp = cmd->param;
+
+	if (!err) {
+		device_added(cmd->sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+			     cp->action);
+		device_flags_changed(NULL, hdev, &cp->addr.bdaddr,
+				     cp->addr.type, hdev->conn_flags,
+				     PTR_UINT(cmd->user_data));
+	}
+
+	mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_ADD_DEVICE,
+			  mgmt_status(err), &cp->addr, sizeof(cp->addr));
+	mgmt_pending_free(cmd);
+}
+
 static int add_device_sync(struct hci_dev *hdev, void *data)
 {
 	return hci_update_passive_scan_sync(hdev);
···
 static int add_device(struct sock *sk, struct hci_dev *hdev,
 		      void *data, u16 len)
 {
+	struct mgmt_pending_cmd *cmd;
 	struct mgmt_cp_add_device *cp = data;
 	u8 auto_conn, addr_type;
 	struct hci_conn_params *params;
···
 			current_flags = params->flags;
 	}
 
-	err = hci_cmd_sync_queue(hdev, add_device_sync, NULL, NULL);
-	if (err < 0)
+	cmd = mgmt_pending_new(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
+	if (!cmd) {
+		err = -ENOMEM;
 		goto unlock;
+	}
+
+	cmd->user_data = UINT_PTR(current_flags);
+
+	err = hci_cmd_sync_queue(hdev, add_device_sync, cmd,
+				 add_device_complete);
+	if (err < 0) {
+		err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
+					MGMT_STATUS_FAILED, &cp->addr,
+					sizeof(cp->addr));
+		mgmt_pending_free(cmd);
+	}
+
+	goto unlock;
 
 added:
 	device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);

net/bluetooth/rfcomm/tty.c

···
 			    struct device_attribute *attr, char *buf)
 {
 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
-	return sprintf(buf, "%pMR\n", &dev->dst);
+	return sysfs_emit(buf, "%pMR\n", &dev->dst);
 }
 
 static ssize_t channel_show(struct device *tty_dev,
 			    struct device_attribute *attr, char *buf)
 {
 	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
-	return sprintf(buf, "%d\n", dev->channel);
+	return sysfs_emit(buf, "%d\n", dev->channel);
 }
 
 static DEVICE_ATTR_RO(address);

net/ceph/osd_client.c

···
 
 int __ceph_alloc_sparse_ext_map(struct ceph_osd_req_op *op, int cnt)
 {
+	WARN_ON(op->op != CEPH_OSD_OP_SPARSE_READ);
+
 	op->extent.sparse_ext_cnt = cnt;
 	op->extent.sparse_ext = kmalloc_array(cnt,
 					      sizeof(*op->extent.sparse_ext),

net/core/dev.c

···
 }
 EXPORT_SYMBOL_GPL(dev_fill_forward_path);
 
+/* must be called under rcu_read_lock(), as we dont take a reference */
+static struct napi_struct *napi_by_id(unsigned int napi_id)
+{
+	unsigned int hash = napi_id % HASH_SIZE(napi_hash);
+	struct napi_struct *napi;
+
+	hlist_for_each_entry_rcu(napi, &napi_hash[hash], napi_hash_node)
+		if (napi->napi_id == napi_id)
+			return napi;
+
+	return NULL;
+}
+
+/* must be called under rcu_read_lock(), as we dont take a reference */
+struct napi_struct *netdev_napi_by_id(struct net *net, unsigned int napi_id)
+{
+	struct napi_struct *napi;
+
+	napi = napi_by_id(napi_id);
+	if (!napi)
+		return NULL;
+
+	if (WARN_ON_ONCE(!napi->dev))
+		return NULL;
+	if (!net_eq(net, dev_net(napi->dev)))
+		return NULL;
+
+	return napi;
+}
+
 /**
  *	__dev_get_by_name	- find a device by its name
  *	@net: the applicable net namespace
···
 
 	if (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) {
 		if (vlan_get_protocol(skb) == htons(ETH_P_IPV6) &&
-		    skb_network_header_len(skb) != sizeof(struct ipv6hdr))
+		    skb_network_header_len(skb) != sizeof(struct ipv6hdr) &&
+		    !ipv6_has_hopopt_jumbo(skb))
 			goto sw_checksum;
+
 		switch (skb->csum_offset) {
 		case offsetof(struct tcphdr, check):
 		case offsetof(struct udphdr, check):
···
 	return ret;
 }
 EXPORT_SYMBOL(napi_complete_done);
-
-/* must be called under rcu_read_lock(), as we dont take a reference */
-struct napi_struct *napi_by_id(unsigned int napi_id)
-{
-	unsigned int hash = napi_id % HASH_SIZE(napi_hash);
-	struct napi_struct *napi;
-
-	hlist_for_each_entry_rcu(napi, &napi_hash[hash], napi_hash_node)
-		if (napi->napi_id == napi_id)
-			return napi;
-
-	return NULL;
-}
 
 static void skb_defer_free_flush(struct softnet_data *sd)
 {

net/core/dev.h

···
 
 extern int netdev_flow_limit_table_len;
 
+struct napi_struct *netdev_napi_by_id(struct net *net, unsigned int napi_id);
+
 #ifdef CONFIG_PROC_FS
 int __init dev_proc_init(void);
 #else
···
 static inline void xdp_do_check_flushed(struct napi_struct *napi) { }
 #endif
 
-struct napi_struct *napi_by_id(unsigned int napi_id);
 void kick_defer_list_purge(struct softnet_data *sd, unsigned int cpu);
 
 #define XMIT_RECURSION_LIMIT	8

net/core/filter.c

···
 
 static u32 __bpf_skb_min_len(const struct sk_buff *skb)
 {
-	u32 min_len = skb_network_offset(skb);
+	int offset = skb_network_offset(skb);
+	u32 min_len = 0;
 
-	if (skb_transport_header_was_set(skb))
-		min_len = skb_transport_offset(skb);
-	if (skb->ip_summed == CHECKSUM_PARTIAL)
-		min_len = skb_checksum_start_offset(skb) +
-			  skb->csum_offset + sizeof(__sum16);
+	if (offset > 0)
+		min_len = offset;
+	if (skb_transport_header_was_set(skb)) {
+		offset = skb_transport_offset(skb);
+		if (offset > 0)
+			min_len = offset;
+	}
+	if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		offset = skb_checksum_start_offset(skb) +
+			 skb->csum_offset + sizeof(__sum16);
+		if (offset > 0)
+			min_len = offset;
+	}
 	return min_len;
 }
 

net/core/link_watch.c

···
 	 * first check whether lower is indeed the source of its down state.
 	 */
 	if (!netif_carrier_ok(dev)) {
-		int iflink = dev_get_iflink(dev);
 		struct net_device *peer;
+		int iflink;
 
 		/* If called from netdev_run_todo()/linkwatch_sync_dev(),
 		 * dev_net(dev) can be already freed, and RTNL is not held.
 		 */
-		if (dev->reg_state == NETREG_UNREGISTERED ||
-		    iflink == dev->ifindex)
+		if (dev->reg_state <= NETREG_REGISTERED)
+			iflink = dev_get_iflink(dev);
+		else
+			iflink = dev->ifindex;
+
+		if (iflink == dev->ifindex)
 			return IF_OPER_DOWN;
 
 		ASSERT_RTNL();

net/core/netdev-genl.c

···
 	void *hdr;
 	pid_t pid;
 
-	if (WARN_ON_ONCE(!napi->dev))
-		return -EINVAL;
 	if (!(napi->dev->flags & IFF_UP))
 		return 0;
 
···
 	if (!hdr)
 		return -EMSGSIZE;
 
-	if (napi->napi_id >= MIN_NAPI_ID &&
-	    nla_put_u32(rsp, NETDEV_A_NAPI_ID, napi->napi_id))
+	if (nla_put_u32(rsp, NETDEV_A_NAPI_ID, napi->napi_id))
 		goto nla_put_failure;
 
 	if (nla_put_u32(rsp, NETDEV_A_NAPI_IFINDEX, napi->dev->ifindex))
···
 	rtnl_lock();
 	rcu_read_lock();
 
-	napi = napi_by_id(napi_id);
+	napi = netdev_napi_by_id(genl_info_net(info), napi_id);
 	if (napi) {
 		err = netdev_nl_napi_fill_one(rsp, napi, info);
 	} else {
···
 	rcu_read_unlock();
 	rtnl_unlock();
 
-	if (err)
+	if (err) {
 		goto err_free_msg;
+	} else if (!rsp->len) {
+		err = -ENOENT;
+		goto err_free_msg;
+	}
 
 	return genlmsg_reply(rsp, info);
 
···
 		return err;
 
 	list_for_each_entry(napi, &netdev->napi_list, dev_list) {
+		if (napi->napi_id < MIN_NAPI_ID)
+			continue;
 		if (ctx->napi_id && napi->napi_id >= ctx->napi_id)
 			continue;
 
···
 	rtnl_lock();
 	rcu_read_lock();
 
-	napi = napi_by_id(napi_id);
+	napi = netdev_napi_by_id(genl_info_net(info), napi_id);
 	if (napi) {
 		err = netdev_nl_napi_set_config(napi, info);
 	} else {
···
 netdev_nl_queue_fill(struct sk_buff *rsp, struct net_device *netdev, u32 q_idx,
 		     u32 q_type, const struct genl_info *info)
 {
-	int err = 0;
+	int err;
 
 	if (!(netdev->flags & IFF_UP))
-		return err;
+		return -ENOENT;
 
 	err = netdev_nl_queue_validate(netdev, q_idx, q_type);
 	if (err)
···
 			 struct netdev_nl_dump_ctx *ctx)
 {
 	int err = 0;
-	int i;
 
 	if (!(netdev->flags & IFF_UP))
 		return err;
 
-	for (i = ctx->rxq_idx; i < netdev->real_num_rx_queues;) {
-		err = netdev_nl_queue_fill_one(rsp, netdev, i,
+	for (; ctx->rxq_idx < netdev->real_num_rx_queues; ctx->rxq_idx++) {
+		err = netdev_nl_queue_fill_one(rsp, netdev, ctx->rxq_idx,
 					       NETDEV_QUEUE_TYPE_RX, info);
 		if (err)
 			return err;
-		ctx->rxq_idx = i++;
 	}
-	for (i = ctx->txq_idx; i < netdev->real_num_tx_queues;) {
-		err = netdev_nl_queue_fill_one(rsp, netdev, i,
+	for (; ctx->txq_idx < netdev->real_num_tx_queues; ctx->txq_idx++) {
+		err = netdev_nl_queue_fill_one(rsp, netdev, ctx->txq_idx,
 					       NETDEV_QUEUE_TYPE_TX, info);
 		if (err)
 			return err;
-		ctx->txq_idx = i++;
 	}
 
 	return err;
···
 					    i, info);
 		if (err)
 			return err;
-		ctx->rxq_idx = i++;
+		ctx->rxq_idx = ++i;
 	}
 	i = ctx->txq_idx;
 	while (ops->get_queue_stats_tx && i < netdev->real_num_tx_queues) {
···
 					    i, info);
 		if (err)
 			return err;
-		ctx->txq_idx = i++;
+		ctx->txq_idx = ++i;
 	}
 
 	ctx->rxq_idx = 0;

net/core/rtnetlink.c

···
 }
 
 static struct net *rtnl_get_peer_net(const struct rtnl_link_ops *ops,
+				     struct nlattr *tbp[],
 				     struct nlattr *data[],
 				     struct netlink_ext_ack *extack)
 {
···
 	int err;
 
 	if (!data || !data[ops->peer_type])
-		return NULL;
+		return rtnl_link_get_net_ifla(tbp);
 
 	err = rtnl_nla_parse_ifinfomsg(tb, data[ops->peer_type], extack);
 	if (err < 0)
···
 		}
 
 		if (ops->peer_type) {
-			peer_net = rtnl_get_peer_net(ops, data, extack);
+			peer_net = rtnl_get_peer_net(ops, tb, data, extack);
 			if (IS_ERR(peer_net)) {
 				ret = PTR_ERR(peer_net);
 				goto put_ops;

net/core/skmsg.c

···
 			     struct sk_msg *msg, u32 bytes)
 {
 	int ret = -ENOSPC, i = msg->sg.curr;
+	u32 copy, buf_size, copied = 0;
 	struct scatterlist *sge;
-	u32 copy, buf_size;
 	void *to;
 
 	do {
···
 			goto out;
 		}
 		bytes -= copy;
+		copied += copy;
 		if (!bytes)
 			break;
 		msg->sg.copybreak = 0;
···
 	} while (i != msg->sg.end);
 out:
 	msg->sg.curr = i;
-	return ret;
+	return (ret < 0) ? ret : copied;
 }
 EXPORT_SYMBOL_GPL(sk_msg_memcopy_from_iter);
 
···
 			if (likely(!peek)) {
 				sge->offset += copy;
 				sge->length -= copy;
-				if (!msg_rx->skb)
+				if (!msg_rx->skb) {
 					sk_mem_uncharge(sk, copy);
+					atomic_sub(copy, &sk->sk_rmem_alloc);
+				}
 				msg_rx->sg.size -= copy;
 
 				if (!sge->length) {
···
 
 	list_for_each_entry_safe(msg, tmp, &psock->ingress_msg, list) {
 		list_del(&msg->list);
+		if (!msg->skb)
+			atomic_sub(msg->sg.size, &psock->sk->sk_rmem_alloc);
 		sk_msg_free(psock->sk, msg);
 		kfree(msg);
 	}

net/core/sock.c

···
 		sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE);
 		break;
 	case SO_REUSEPORT:
-		sk->sk_reuseport = valbool;
+		if (valbool && !sk_is_inet(sk))
+			ret = -EOPNOTSUPP;
+		else
+			sk->sk_reuseport = valbool;
 		break;
 	case SO_DONTROUTE:
 		sock_valbool_flag(sk, SOCK_LOCALROUTE, valbool);

net/dsa/tag.h

···
  * dsa_software_vlan_untag: Software VLAN untagging in DSA receive path
  * @skb: Pointer to socket buffer (packet)
  *
- * Receive path method for switches which cannot avoid tagging all packets
- * towards the CPU port. Called when ds->untag_bridge_pvid (legacy) or
- * ds->untag_vlan_aware_bridge_pvid is set to true.
+ * Receive path method for switches which send some packets as VLAN-tagged
+ * towards the CPU port (generally from VLAN-aware bridge ports) even when the
+ * packet was not tagged on the wire. Called when ds->untag_bridge_pvid
+ * (legacy) or ds->untag_vlan_aware_bridge_pvid is set to true.
  *
  * As a side effect of this method, any VLAN tag from the skb head is moved
  * to hwaccel.
···
 {
 	struct dsa_port *dp = dsa_user_to_port(skb->dev);
 	struct net_device *br = dsa_port_bridge_dev_get(dp);
-	u16 vid;
+	u16 vid, proto;
+	int err;
 
 	/* software untagging for standalone ports not yet necessary */
 	if (!br)
 		return skb;
 
+	err = br_vlan_get_proto(br, &proto);
+	if (err)
+		return skb;
+
 	/* Move VLAN tag from data to hwaccel */
-	if (!skb_vlan_tag_present(skb)) {
+	if (!skb_vlan_tag_present(skb) && skb->protocol == htons(proto)) {
 		skb = skb_vlan_untag(skb);
 		if (!skb)
 			return NULL;

net/ipv4/ip_tunnel.c

···
 
 		ip_tunnel_init_flow(&fl4, iph->protocol, iph->daddr,
 				    iph->saddr, tunnel->parms.o_key,
-				    iph->tos & INET_DSCP_MASK, dev_net(dev),
+				    iph->tos & INET_DSCP_MASK, tunnel->net,
 				    tunnel->parms.link, tunnel->fwmark, 0, 0);
 		rt = ip_route_output_key(tunnel->net, &fl4);
 
···
 	}
 	ip_tunnel_init_flow(&fl4, proto, key->u.ipv4.dst, key->u.ipv4.src,
 			    tunnel_id_to_key32(key->tun_id),
-			    tos & INET_DSCP_MASK, dev_net(dev), 0, skb->mark,
+			    tos & INET_DSCP_MASK, tunnel->net, 0, skb->mark,
 			    skb_get_hash(skb), key->flow_flags);
 
 	if (!tunnel_hlen)
···
 
 	ip_tunnel_init_flow(&fl4, protocol, dst, tnl_params->saddr,
 			    tunnel->parms.o_key, tos & INET_DSCP_MASK,
-			    dev_net(dev), READ_ONCE(tunnel->parms.link),
+			    tunnel->net, READ_ONCE(tunnel->parms.link),
 			    tunnel->fwmark, skb_get_hash(skb), 0);
 
 	if (ip_tunnel_encap(skb, &tunnel->encap, &protocol, &fl4) < 0)

net/ipv4/tcp_bpf.c

···
 		sge = sk_msg_elem(msg, i);
 		size = (apply && apply_bytes < sge->length) ?
 			apply_bytes : sge->length;
-		if (!sk_wmem_schedule(sk, size)) {
+		if (!__sk_rmem_schedule(sk, size, false)) {
 			if (!copied)
 				ret = -ENOMEM;
 			break;
 		}
 
 		sk_mem_charge(sk, size);
+		atomic_add(size, &sk->sk_rmem_alloc);
 		sk_msg_xfer(tmp, msg, i, size);
 		copied += size;
 		if (sge->length)
···
 
 	if (!ret) {
 		msg->sg.start = i;
-		sk_psock_queue_msg(psock, tmp);
+		if (!sk_psock_queue_msg(psock, tmp))
+			atomic_sub(copied, &sk->sk_rmem_alloc);
 		sk_psock_data_ready(sk, psock);
 	} else {
 		sk_msg_free(sk, tmp);
···
 static int tcp_bpf_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
 {
 	struct sk_msg tmp, *msg_tx = NULL;
-	int copied = 0, err = 0;
+	int copied = 0, err = 0, ret = 0;
 	struct sk_psock *psock;
 	long timeo;
 	int flags;
···
 			copy = msg_tx->sg.size - osize;
 		}
 
-		err = sk_msg_memcopy_from_iter(sk, &msg->msg_iter, msg_tx,
+		ret = sk_msg_memcopy_from_iter(sk, &msg->msg_iter, msg_tx,
 					       copy);
-		if (err < 0) {
+		if (ret < 0) {
 			sk_msg_trim(sk, msg_tx, osize);
 			goto out_err;
 		}
 
-		copied += copy;
+		copied += ret;
 		if (psock->cork_bytes) {
 			if (size > psock->cork_bytes)
 				psock->cork_bytes = 0;

net/ipv4/tcp_input.c

···
 			if (unlikely(!inet_csk_reqsk_queue_hash_add(sk, req,
 								    req->timeout))) {
 				reqsk_free(req);
+				dst_release(dst);
 				return 0;
 			}
 

net/ipv4/tcp_ipv4.c

···
 	sock_net_set(ctl_sk, net);
 	if (sk) {
 		ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
-				   inet_twsk(sk)->tw_mark : sk->sk_mark;
+				   inet_twsk(sk)->tw_mark : READ_ONCE(sk->sk_mark);
 		ctl_sk->sk_priority = (sk->sk_state == TCP_TIME_WAIT) ?
 				   inet_twsk(sk)->tw_priority : READ_ONCE(sk->sk_priority);
 		transmit_time = tcp_transmit_time(sk);

net/ipv6/ila/ila_xlat.c

···
 	},
 };
 
+static DEFINE_MUTEX(ila_mutex);
+
 static int ila_add_mapping(struct net *net, struct ila_xlat_params *xp)
 {
 	struct ila_net *ilan = net_generic(net, ila_net_id);
···
 	spinlock_t *lock = ila_get_lock(ilan, xp->ip.locator_match);
 	int err = 0, order;
 
-	if (!ilan->xlat.hooks_registered) {
+	if (!READ_ONCE(ilan->xlat.hooks_registered)) {
 		/* We defer registering net hooks in the namespace until the
 		 * first mapping is added.
 		 */
-		err = nf_register_net_hooks(net, ila_nf_hook_ops,
-					    ARRAY_SIZE(ila_nf_hook_ops));
+		mutex_lock(&ila_mutex);
+		if (!ilan->xlat.hooks_registered) {
+			err = nf_register_net_hooks(net, ila_nf_hook_ops,
+						ARRAY_SIZE(ila_nf_hook_ops));
+			if (!err)
+				WRITE_ONCE(ilan->xlat.hooks_registered, true);
+		}
+		mutex_unlock(&ila_mutex);
 		if (err)
 			return err;
-
-		ilan->xlat.hooks_registered = true;
 	}
 
 	ila = kzalloc(sizeof(*ila), GFP_KERNEL);

net/llc/llc_input.c

···
 	if (unlikely(!pskb_may_pull(skb, llc_len)))
 		return 0;
 
-	skb->transport_header += llc_len;
 	skb_pull(skb, llc_len);
+	skb_reset_transport_header(skb);
 	if (skb->protocol == htons(ETH_P_802_2)) {
 		__be16 pdulen;
 		s32 data_size;

net/mac802154/iface.c

···
 	ASSERT_RTNL();
 
 	mutex_lock(&sdata->local->iflist_mtx);
+	if (list_empty(&sdata->local->interfaces)) {
+		mutex_unlock(&sdata->local->iflist_mtx);
+		return;
+	}
 	list_del_rcu(&sdata->list);
 	mutex_unlock(&sdata->local->iflist_mtx);
 

net/mctp/route.c

···
 	msk = NULL;
 	rc = -EINVAL;
 
-	/* we may be receiving a locally-routed packet; drop source sk
-	 * accounting
+	/* We may be receiving a locally-routed packet; drop source sk
+	 * accounting.
+	 *
+	 * From here, we will either queue the skb - either to a frag_queue, or
+	 * to a receiving socket. When that succeeds, we clear the skb pointer;
+	 * a non-NULL skb on exit will be otherwise unowned, and hence
+	 * kfree_skb()-ed.
 	 */
 	skb_orphan(skb);
 
···
 		 * pending key.
 		 */
 		if (flags & MCTP_HDR_FLAG_EOM) {
-			sock_queue_rcv_skb(&msk->sk, skb);
+			rc = sock_queue_rcv_skb(&msk->sk, skb);
+			if (!rc)
+				skb = NULL;
 			if (key) {
 				/* we've hit a pending reassembly; not much we
 				 * can do but drop it
···
 						   MCTP_TRACE_KEY_REPLIED);
 				key = NULL;
 			}
-			rc = 0;
 			goto out_unlock;
 		}
 
···
 			 * this function.
 			 */
 			rc = mctp_key_add(key, msk);
-			if (!rc)
+			if (!rc) {
 				trace_mctp_key_acquire(key);
+				skb = NULL;
+			}
 
 			/* we don't need to release key->lock on exit, so
 			 * clean up here and suppress the unlock via
···
 				key = NULL;
 			} else {
 				rc = mctp_frag_queue(key, skb);
+				if (!rc)
+					skb = NULL;
 			}
 		}
 
···
 		else
 			rc = mctp_frag_queue(key, skb);
 
+		if (rc)
+			goto out_unlock;
+
+		/* we've queued; the queue owns the skb now */
+		skb = NULL;
+
 		/* end of message? deliver to socket, and we're done with
 		 * the reassembly/response key
 		 */
-		if (!rc && flags & MCTP_HDR_FLAG_EOM) {
-			sock_queue_rcv_skb(key->sk, key->reasm_head);
-			key->reasm_head = NULL;
+		if (flags & MCTP_HDR_FLAG_EOM) {
+			rc = sock_queue_rcv_skb(key->sk, key->reasm_head);
+			if (!rc)
+				key->reasm_head = NULL;
 			__mctp_key_done_in(key, net, f, MCTP_TRACE_KEY_REPLIED);
 			key = NULL;
 		}
···
 	if (any_key)
 		mctp_key_unref(any_key);
 out:
-	if (rc)
-		kfree_skb(skb);
+	kfree_skb(skb);
 	return rc;
 }
 

net/mctp/test/route-test.c

···
 	mctp_test_route_input_multiple_nets_key_fini(test, &t2);
 }
 
+/* Input route to socket, using a single-packet message, where sock delivery
+ * fails. Ensure we're handling the failure appropriately.
+ */
+static void mctp_test_route_input_sk_fail_single(struct kunit *test)
+{
+	const struct mctp_hdr hdr = RX_HDR(1, 10, 8, FL_S | FL_E | FL_TO);
+	struct mctp_test_route *rt;
+	struct mctp_test_dev *dev;
+	struct socket *sock;
+	struct sk_buff *skb;
+	int rc;
+
+	__mctp_route_test_init(test, &dev, &rt, &sock, MCTP_NET_ANY);
+
+	/* No rcvbuf space, so delivery should fail. __sock_set_rcvbuf will
+	 * clamp the minimum to SOCK_MIN_RCVBUF, so we open-code this.
+	 */
+	lock_sock(sock->sk);
+	WRITE_ONCE(sock->sk->sk_rcvbuf, 0);
+	release_sock(sock->sk);
+
+	skb = mctp_test_create_skb(&hdr, 10);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, skb);
+	skb_get(skb);
+
+	mctp_test_skb_set_dev(skb, dev);
+
+	/* do route input, which should fail */
+	rc = mctp_route_input(&rt->rt, skb);
+	KUNIT_EXPECT_NE(test, rc, 0);
+
+	/* we should hold the only reference to skb */
+	KUNIT_EXPECT_EQ(test, refcount_read(&skb->users), 1);
+	kfree_skb(skb);
+
+	__mctp_route_test_fini(test, dev, rt, sock);
+}
+
+/* Input route to socket, using a fragmented message, where sock delivery fails.
+ */
+static void mctp_test_route_input_sk_fail_frag(struct kunit *test)
+{
+	const struct mctp_hdr hdrs[2] = { RX_FRAG(FL_S, 0), RX_FRAG(FL_E, 1) };
+	struct mctp_test_route *rt;
+	struct mctp_test_dev *dev;
+	struct sk_buff *skbs[2];
+	struct socket *sock;
+	unsigned int i;
+	int rc;
+
+	__mctp_route_test_init(test, &dev, &rt, &sock, MCTP_NET_ANY);
+
+	lock_sock(sock->sk);
+	WRITE_ONCE(sock->sk->sk_rcvbuf, 0);
+	release_sock(sock->sk);
+
+	for (i = 0; i < ARRAY_SIZE(skbs); i++) {
+		skbs[i] = mctp_test_create_skb(&hdrs[i], 10);
+		KUNIT_ASSERT_NOT_ERR_OR_NULL(test, skbs[i]);
+		skb_get(skbs[i]);
+
+		mctp_test_skb_set_dev(skbs[i], dev);
+	}
+
+	/* first route input should succeed, we're only queueing to the
+	 * frag list
+	 */
+	rc = mctp_route_input(&rt->rt, skbs[0]);
+	KUNIT_EXPECT_EQ(test, rc, 0);
+
+	/* final route input should fail to deliver to the socket */
+	rc = mctp_route_input(&rt->rt, skbs[1]);
+	KUNIT_EXPECT_NE(test, rc, 0);
+
+	/* we should hold the only reference to both skbs */
+	KUNIT_EXPECT_EQ(test, refcount_read(&skbs[0]->users), 1);
+	kfree_skb(skbs[0]);
+
+	KUNIT_EXPECT_EQ(test, refcount_read(&skbs[1]->users), 1);
+	kfree_skb(skbs[1]);
+
+	__mctp_route_test_fini(test, dev, rt, sock);
+}
+
 #if IS_ENABLED(CONFIG_MCTP_FLOWS)
 
 static void mctp_test_flow_init(struct kunit *test,
···
 			 mctp_route_input_sk_reasm_gen_params),
 	KUNIT_CASE_PARAM(mctp_test_route_input_sk_keys,
 			 mctp_route_input_sk_keys_gen_params),
+	KUNIT_CASE(mctp_test_route_input_sk_fail_single),
+	KUNIT_CASE(mctp_test_route_input_sk_fail_frag),
 	KUNIT_CASE(mctp_test_route_input_multiple_nets_bind),
 	KUNIT_CASE(mctp_test_route_input_multiple_nets_key),
 	KUNIT_CASE(mctp_test_packet_flow),

net/mptcp/ctrl.c

···
 }
 
 #ifdef CONFIG_SYSCTL
-static int mptcp_set_scheduler(const struct net *net, const char *name)
+static int mptcp_set_scheduler(char *scheduler, const char *name)
 {
-	struct mptcp_pernet *pernet = mptcp_get_pernet(net);
 	struct mptcp_sched_ops *sched;
 	int ret = 0;
 
 	rcu_read_lock();
 	sched = mptcp_sched_find(name);
 	if (sched)
-		strscpy(pernet->scheduler, name, MPTCP_SCHED_NAME_MAX);
+		strscpy(scheduler, name, MPTCP_SCHED_NAME_MAX);
 	else
 		ret = -ENOENT;
 	rcu_read_unlock();
···
 static int proc_scheduler(const struct ctl_table *ctl, int write,
 			  void *buffer, size_t *lenp, loff_t *ppos)
 {
-	const struct net *net = current->nsproxy->net_ns;
+	char (*scheduler)[MPTCP_SCHED_NAME_MAX] = ctl->data;
 	char val[MPTCP_SCHED_NAME_MAX];
 	struct ctl_table tbl = {
 		.data = val,
···
 	};
 	int ret;
 
-	strscpy(val, mptcp_get_scheduler(net), MPTCP_SCHED_NAME_MAX);
+	strscpy(val, *scheduler, MPTCP_SCHED_NAME_MAX);
 
 	ret = proc_dostring(&tbl, write, buffer, lenp, ppos);
 	if (write && ret == 0)
-		ret = mptcp_set_scheduler(net, val);
+		ret = mptcp_set_scheduler(*scheduler, val);
 
 	return ret;
 }
···
 					 int write, void *buffer, size_t *lenp,
 					 loff_t *ppos)
 {
-	struct mptcp_pernet *pernet = mptcp_get_pernet(current->nsproxy->net_ns);
+	struct mptcp_pernet *pernet = container_of(table->data,
+						   struct mptcp_pernet,
+						   blackhole_timeout);
 	int ret;
 
 	ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
···
 	{
 		.procname = "available_schedulers",
 		.maxlen	= MPTCP_SCHED_BUF_MAX,
-		.mode = 0644,
+		.mode = 0444,
 		.proc_handler = proc_available_schedulers,
 	},
 	{

net/mptcp/options.c

···
 		    &echo, &drop_other_suboptions))
 		return false;
 
+	/*
+	 * Later on, mptcp_write_options() will enforce mutually exclusion with
+	 * DSS, bail out if such option is set and we can't drop it.
+	 */
 	if (drop_other_suboptions)
 		remaining += opt_size;
+	else if (opts->suboptions & OPTION_MPTCP_DSS)
+		return false;
+
 	len = mptcp_add_addr_len(opts->addr.family, echo, !!opts->addr.port);
 	if (remaining < len)
 		return false;

net/mptcp/protocol.c

···
 	int delta;
 
 	if (MPTCP_SKB_CB(from)->offset ||
+	    ((to->len + from->len) > (sk->sk_rcvbuf >> 3)) ||
 	    !skb_try_coalesce(to, from, &fragstolen, &delta))
 		return false;
 
···
 		mptcp_subflow_send_ack(mptcp_subflow_tcp_sock(subflow));
 }
 
-static void mptcp_subflow_cleanup_rbuf(struct sock *ssk)
+static void mptcp_subflow_cleanup_rbuf(struct sock *ssk, int copied)
 {
 	bool slow;
 
 	slow = lock_sock_fast(ssk);
 	if (tcp_can_send_ack(ssk))
-		tcp_cleanup_rbuf(ssk, 1);
+		tcp_cleanup_rbuf(ssk, copied);
 	unlock_sock_fast(ssk, slow);
 }
 
···
 			      (ICSK_ACK_PUSHED2 | ICSK_ACK_PUSHED)));
 }
 
-static void mptcp_cleanup_rbuf(struct mptcp_sock *msk)
+static void mptcp_cleanup_rbuf(struct mptcp_sock *msk, int copied)
 {
 	int old_space = READ_ONCE(msk->old_wspace);
 	struct mptcp_subflow_context *subflow;
···
 	int space =  __mptcp_space(sk);
 	bool cleanup, rx_empty;
 
-	cleanup = (space > 0) && (space >= (old_space << 1));
-	rx_empty = !__mptcp_rmem(sk);
+	cleanup = (space > 0) && (space >= (old_space << 1)) && copied;
+	rx_empty = !__mptcp_rmem(sk) && copied;
 
 	mptcp_for_each_subflow(msk, subflow) {
 		struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
 
 		if (cleanup || mptcp_subflow_could_cleanup(ssk, rx_empty))
-			mptcp_subflow_cleanup_rbuf(ssk);
+			mptcp_subflow_cleanup_rbuf(ssk, copied);
 	}
 }
 
···
 	goto out;
 }
 
+static void mptcp_rcv_space_adjust(struct mptcp_sock *msk, int copied);
+
 static int __mptcp_recvmsg_mskq(struct mptcp_sock *msk,
 				struct msghdr *msg,
 				size_t len, int flags,
···
 			break;
 	}
 
+	mptcp_rcv_space_adjust(msk, copied);
 	return copied;
 }
 
···
 
 		copied += bytes_read;
 
-		/* be sure to advertise window change */
-		mptcp_cleanup_rbuf(msk);
-
 		if (skb_queue_empty(&msk->receive_queue) && __mptcp_move_skbs(msk))
 			continue;
 
···
 		}
 
 		pr_debug("block timeout %ld\n", timeo);
-		mptcp_rcv_space_adjust(msk, copied);
+		mptcp_cleanup_rbuf(msk, copied);
 		err = sk_wait_data(sk, &timeo, NULL);
 		if (err < 0) {
 			err = copied ? : err;
···
 		}
 	}
 
-	mptcp_rcv_space_adjust(msk, copied);
+	mptcp_cleanup_rbuf(msk, copied);
 
 out_err:
 	if (cmsg_flags && copied >= 0) {

net/netfilter/ipset/ip_set_list_set.c

···
 	return true;
 }
 
+static struct lock_class_key list_set_lockdep_key;
+
 static int
 list_set_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
 		u32 flags)
···
 	if (size < IP_SET_LIST_MIN_SIZE)
 		size = IP_SET_LIST_MIN_SIZE;
 
+	lockdep_set_class(&set->lock, &list_set_lockdep_key);
 	set->variant = &set_variant;
 	set->dsize = ip_set_elem_len(set, tb, sizeof(struct set_elem),
 				     __alignof__(struct set_elem));

net/netfilter/ipvs/ip_vs_conn.c

···
 	max_avail -= 2;		/* ~4 in hash row */
 	max_avail -= 1;		/* IPVS up to 1/2 of mem */
 	max_avail -= order_base_2(sizeof(struct ip_vs_conn));
-	max = clamp(max, min, max_avail);
-	ip_vs_conn_tab_bits = clamp_val(ip_vs_conn_tab_bits, min, max);
+	max = clamp(max_avail, min, max);
+	ip_vs_conn_tab_bits = clamp(ip_vs_conn_tab_bits, min, max);
 	ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
 	ip_vs_conn_tab_mask = ip_vs_conn_tab_size - 1;
 

net/netfilter/nf_conntrack_core.c

···
 	struct hlist_nulls_head *hash;
 	unsigned int nr_slots, i;
 
-	if (*sizep > (UINT_MAX / sizeof(struct hlist_nulls_head)))
+	if (*sizep > (INT_MAX / sizeof(struct hlist_nulls_head)))
 		return NULL;
 
 	BUILD_BUG_ON(sizeof(struct hlist_nulls_head) != sizeof(struct hlist_head));
 	nr_slots = *sizep = roundup(*sizep, PAGE_SIZE / sizeof(struct hlist_nulls_head));
+
+	if (nr_slots > (INT_MAX / sizeof(struct hlist_nulls_head)))
+		return NULL;
 
 	hash = kvcalloc(nr_slots, sizeof(struct hlist_nulls_head), GFP_KERNEL);
 

net/netfilter/nf_tables_api.c

···
 }
 
 static void __nft_unregister_flowtable_net_hooks(struct net *net,
+						 struct nft_flowtable *flowtable,
 						 struct list_head *hook_list,
 					         bool release_netdev)
 {
···
 
 	list_for_each_entry_safe(hook, next, hook_list, list) {
 		nf_unregister_net_hook(net, &hook->ops);
+		flowtable->data.type->setup(&flowtable->data, hook->ops.dev,
+					    FLOW_BLOCK_UNBIND);
 		if (release_netdev) {
 			list_del(&hook->list);
 			kfree_rcu(hook, rcu);
···
 }
 
 static void nft_unregister_flowtable_net_hooks(struct net *net,
+					       struct nft_flowtable *flowtable,
 					       struct list_head *hook_list)
 {
-	__nft_unregister_flowtable_net_hooks(net, hook_list, false);
+	__nft_unregister_flowtable_net_hooks(net, flowtable, hook_list, false);
 }
 
 static int nft_register_flowtable_net_hooks(struct net *net,
···
 
 	flowtable->data.type->free(&flowtable->data);
 	list_for_each_entry_safe(hook, next, &flowtable->hook_list, list) {
-		flowtable->data.type->setup(&flowtable->data, hook->ops.dev,
-					    FLOW_BLOCK_UNBIND);
 		list_del_rcu(&hook->list);
 		kfree_rcu(hook, rcu);
 	}
···
 							   &nft_trans_flowtable_hooks(trans),
 							   trans->msg_type);
 				nft_unregister_flowtable_net_hooks(net,
+								   nft_trans_flowtable(trans),
 								   &nft_trans_flowtable_hooks(trans));
 			} else {
 				list_del_rcu(&nft_trans_flowtable(trans)->list);
···
 							   NULL,
 							   trans->msg_type);
 				nft_unregister_flowtable_net_hooks(net,
+						nft_trans_flowtable(trans),
 						&nft_trans_flowtable(trans)->hook_list);
 			}
 			break;
···
 		case NFT_MSG_NEWFLOWTABLE:
 			if (nft_trans_flowtable_update(trans)) {
 				nft_unregister_flowtable_net_hooks(net,
+						nft_trans_flowtable(trans),
 						&nft_trans_flowtable_hooks(trans));
 			} else {
 				nft_use_dec_restore(&table->use);
 				list_del_rcu(&nft_trans_flowtable(trans)->list);
 				nft_unregister_flowtable_net_hooks(net,
+						nft_trans_flowtable(trans),
 						&nft_trans_flowtable(trans)->hook_list);
 			}
 			break;
···
 	list_for_each_entry(chain, &table->chains, list)
 		__nf_tables_unregister_hook(net, table, chain, true);
 	list_for_each_entry(flowtable, &table->flowtables, list)
-		__nft_unregister_flowtable_net_hooks(net, &flowtable->hook_list,
+		__nft_unregister_flowtable_net_hooks(net, flowtable,
+						     &flowtable->hook_list,
 						     true);
 }
 

net/netrom/nr_route.c

···
 	int ret;
 	struct sk_buff *skbn;
 
+	/*
+	 * Reject malformed packets early. Check that it contains at least 2
+	 * addresses and 1 byte more for Time-To-Live
+	 */
+	if (skb->len < 2 * sizeof(ax25_address) + 1)
+		return 0;
 
 	nr_src  = (ax25_address *)(skb->data + 0);
 	nr_dest = (ax25_address *)(skb->data + 7);

net/packet/af_packet.c

···
 	return packet_lookup_frame(po, rb, rb->head, status);
 }
 
-static u16 vlan_get_tci(struct sk_buff *skb, struct net_device *dev)
+static u16 vlan_get_tci(const struct sk_buff *skb, struct net_device *dev)
 {
-	u8 *skb_orig_data = skb->data;
-	int skb_orig_len = skb->len;
 	struct vlan_hdr vhdr, *vh;
 	unsigned int header_len;
 
···
 	else
 		return 0;
 
-	skb_push(skb, skb->data - skb_mac_header(skb));
-	vh = skb_header_pointer(skb, header_len, sizeof(vhdr), &vhdr);
-	if (skb_orig_data != skb->data) {
-		skb->data = skb_orig_data;
-		skb->len = skb_orig_len;
-	}
+	vh = skb_header_pointer(skb, skb_mac_offset(skb) + header_len,
+				sizeof(vhdr), &vhdr);
 	if (unlikely(!vh))
 		return 0;
 
 	return ntohs(vh->h_vlan_TCI);
 }
 
-static __be16 vlan_get_protocol_dgram(struct sk_buff *skb)
+static __be16 vlan_get_protocol_dgram(const struct sk_buff *skb)
 {
 	__be16 proto = skb->protocol;
 
-	if (unlikely(eth_type_vlan(proto))) {
-		u8 *skb_orig_data = skb->data;
-		int skb_orig_len = skb->len;
-
-		skb_push(skb, skb->data - skb_mac_header(skb));
-		proto = __vlan_get_protocol(skb, proto, NULL);
-		if (skb_orig_data != skb->data) {
-			skb->data = skb_orig_data;
-			skb->len = skb_orig_len;
-		}
-	}
+	if (unlikely(eth_type_vlan(proto)))
+		proto = __vlan_get_protocol_offset(skb, proto,
+						   skb_mac_offset(skb), NULL);
 
 	return proto;
 }

net/psample/psample.c

···
 		   nla_total_size_64bit(sizeof(u64)) +	/* timestamp */
 		   nla_total_size(sizeof(u16)) +	/* protocol */
 		   (md->user_cookie_len ?
-		    nla_total_size(md->user_cookie_len) : 0); /* user cookie */
+		    nla_total_size(md->user_cookie_len) : 0) + /* user cookie */
+		   (md->rate_as_probability ?
+		    nla_total_size(0) : 0);	/* rate as probability */
 
 #ifdef CONFIG_INET
 	tun_info = skb_tunnel_info(skb);
···
 		    md->user_cookie))
 		goto error;
 
-	if (md->rate_as_probability)
-		nla_put_flag(nl_skb, PSAMPLE_ATTR_SAMPLE_PROBABILITY);
+	if (md->rate_as_probability &&
+	    nla_put_flag(nl_skb, PSAMPLE_ATTR_SAMPLE_PROBABILITY))
+		goto error;
 
 	genlmsg_end(nl_skb, data);
 	genlmsg_multicast_netns(&psample_nl_family, group->net, nl_skb, 0,

net/rds/tcp.c

···
 
 static struct kmem_cache *rds_tcp_conn_slab;
 
-static int rds_tcp_skbuf_handler(const struct ctl_table *ctl, int write,
-				 void *buffer, size_t *lenp, loff_t *fpos);
+static int rds_tcp_sndbuf_handler(const struct ctl_table *ctl, int write,
+				  void *buffer, size_t *lenp, loff_t *fpos);
+static int rds_tcp_rcvbuf_handler(const struct ctl_table *ctl, int write,
+				  void *buffer, size_t *lenp, loff_t *fpos);
 
 static int rds_tcp_min_sndbuf = SOCK_MIN_SNDBUF;
 static int rds_tcp_min_rcvbuf = SOCK_MIN_RCVBUF;
···
 		/* data is per-net pointer */
 		.maxlen         = sizeof(int),
 		.mode           = 0644,
-		.proc_handler   = rds_tcp_skbuf_handler,
+		.proc_handler   = rds_tcp_sndbuf_handler,
 		.extra1		= &rds_tcp_min_sndbuf,
 	},
 #define	RDS_TCP_RCVBUF	1
···
 		/* data is per-net pointer */
 		.maxlen         = sizeof(int),
 		.mode           = 0644,
-		.proc_handler   = rds_tcp_skbuf_handler,
+		.proc_handler   = rds_tcp_rcvbuf_handler,
 		.extra1		= &rds_tcp_min_rcvbuf,
 	},
 };
···
 	spin_unlock_irq(&rds_tcp_conn_lock);
 }
 
-static int rds_tcp_skbuf_handler(const struct ctl_table *ctl, int write,
+static int rds_tcp_skbuf_handler(struct rds_tcp_net *rtn,
+				 const struct ctl_table *ctl, int write,
 				 void *buffer, size_t *lenp, loff_t *fpos)
 {
-	struct net *net = current->nsproxy->net_ns;
 	int err;
 
 	err = proc_dointvec_minmax(ctl, write, buffer, lenp, fpos);
···
 			*(int *)(ctl->extra1));
 		return err;
 	}
-	if (write)
+
+	if (write && rtn->rds_tcp_listen_sock && rtn->rds_tcp_listen_sock->sk) {
+		struct net *net = sock_net(rtn->rds_tcp_listen_sock->sk);
+
 		rds_tcp_sysctl_reset(net);
+	}
+
 	return 0;
+}
+
+static int rds_tcp_sndbuf_handler(const struct ctl_table *ctl, int write,
+				  void *buffer, size_t *lenp, loff_t *fpos)
+{
+	struct rds_tcp_net *rtn = container_of(ctl->data, struct rds_tcp_net,
+					       sndbuf_size);
+
+	return rds_tcp_skbuf_handler(rtn, ctl, write, buffer, lenp, fpos);
+}
+
+static int rds_tcp_rcvbuf_handler(const struct ctl_table *ctl, int write,
+				  void *buffer, size_t *lenp, loff_t *fpos)
+{
+	struct rds_tcp_net *rtn = container_of(ctl->data, struct rds_tcp_net,
+					       rcvbuf_size);
+
+	return rds_tcp_skbuf_handler(rtn, ctl, write, buffer, lenp, fpos);
 }
 
 static void rds_tcp_exit(void)

net/sched/cls_flow.c

···
 	[TCA_FLOW_KEYS]		= { .type = NLA_U32 },
 	[TCA_FLOW_MODE]		= { .type = NLA_U32 },
 	[TCA_FLOW_BASECLASS]	= { .type = NLA_U32 },
-	[TCA_FLOW_RSHIFT]	= { .type = NLA_U32 },
+	[TCA_FLOW_RSHIFT]	= NLA_POLICY_MAX(NLA_U32,
+						 31 /* BITS_PER_U32 - 1 */),
 	[TCA_FLOW_ADDEND]	= { .type = NLA_U32 },
 	[TCA_FLOW_MASK]		= { .type = NLA_U32 },
 	[TCA_FLOW_XOR]		= { .type = NLA_U32 },

net/sched/sch_cake.c

···
 	return (flow_mode & CAKE_FLOW_DUAL_DST) == CAKE_FLOW_DUAL_DST;
 }
 
+static void cake_dec_srchost_bulk_flow_count(struct cake_tin_data *q,
+					     struct cake_flow *flow,
+					     int flow_mode)
+{
+	if (likely(cake_dsrc(flow_mode) &&
+		   q->hosts[flow->srchost].srchost_bulk_flow_count))
+		q->hosts[flow->srchost].srchost_bulk_flow_count--;
+}
+
+static void cake_inc_srchost_bulk_flow_count(struct cake_tin_data *q,
+					     struct cake_flow *flow,
+					     int flow_mode)
+{
+	if (likely(cake_dsrc(flow_mode) &&
+		   q->hosts[flow->srchost].srchost_bulk_flow_count < CAKE_QUEUES))
+		q->hosts[flow->srchost].srchost_bulk_flow_count++;
+}
+
+static void cake_dec_dsthost_bulk_flow_count(struct cake_tin_data *q,
+					     struct cake_flow *flow,
+					     int flow_mode)
+{
+	if (likely(cake_ddst(flow_mode) &&
+		   q->hosts[flow->dsthost].dsthost_bulk_flow_count))
+		q->hosts[flow->dsthost].dsthost_bulk_flow_count--;
+}
+
+static void cake_inc_dsthost_bulk_flow_count(struct cake_tin_data *q,
+					     struct cake_flow *flow,
+					     int flow_mode)
+{
+	if (likely(cake_ddst(flow_mode) &&
+		   q->hosts[flow->dsthost].dsthost_bulk_flow_count < CAKE_QUEUES))
+		q->hosts[flow->dsthost].dsthost_bulk_flow_count++;
+}
+
+static u16 cake_get_flow_quantum(struct cake_tin_data *q,
+				 struct cake_flow *flow,
+				 int flow_mode)
+{
+	u16 host_load = 1;
+
+	if (cake_dsrc(flow_mode))
+		host_load = max(host_load,
+				q->hosts[flow->srchost].srchost_bulk_flow_count);
+
+	if (cake_ddst(flow_mode))
+		host_load = max(host_load,
+				q->hosts[flow->dsthost].dsthost_bulk_flow_count);
+
+	/* The get_random_u16() is a way to apply dithering to avoid
+	 * accumulating roundoff errors
+	 */
+	return (q->flow_quantum * quantum_div[host_load] +
+		get_random_u16()) >> 16;
+}
+
 static u32 cake_hash(struct cake_tin_data *q, const struct sk_buff *skb,
 		     int flow_mode, u16 flow_override, u16 host_override)
 {
···
 		allocate_dst = cake_ddst(flow_mode);
 
 		if (q->flows[outer_hash + k].set == CAKE_SET_BULK) {
-			if (allocate_src)
-				q->hosts[q->flows[reduced_hash].srchost].srchost_bulk_flow_count--;
-			if (allocate_dst)
-				q->hosts[q->flows[reduced_hash].dsthost].dsthost_bulk_flow_count--;
+			cake_dec_srchost_bulk_flow_count(q, &q->flows[outer_hash + k], flow_mode);
+			cake_dec_dsthost_bulk_flow_count(q, &q->flows[outer_hash + k], flow_mode);
 		}
 found:
 		/* reserve queue for future packets in same flow */
···
 			q->hosts[outer_hash + k].srchost_tag = srchost_hash;
 found_src:
 			srchost_idx = outer_hash + k;
-			if (q->flows[reduced_hash].set == CAKE_SET_BULK)
-				q->hosts[srchost_idx].srchost_bulk_flow_count++;
 			q->flows[reduced_hash].srchost = srchost_idx;
+
+			if (q->flows[reduced_hash].set == CAKE_SET_BULK)
+				cake_inc_srchost_bulk_flow_count(q, &q->flows[reduced_hash], flow_mode);
 		}
 
 		if (allocate_dst) {
···
 			q->hosts[outer_hash + k].dsthost_tag = dsthost_hash;
 found_dst:
 			dsthost_idx = outer_hash + k;
-			if (q->flows[reduced_hash].set == CAKE_SET_BULK)
-				q->hosts[dsthost_idx].dsthost_bulk_flow_count++;
 			q->flows[reduced_hash].dsthost = dsthost_idx;
+
+			if (q->flows[reduced_hash].set == CAKE_SET_BULK)
+				cake_inc_dsthost_bulk_flow_count(q, &q->flows[reduced_hash], flow_mode);
 		}
 	}
 
···
 
 	/* flowchain */
 	if (!flow->set || flow->set == CAKE_SET_DECAYING) {
-		struct cake_host *srchost = &b->hosts[flow->srchost];
-		struct cake_host *dsthost = &b->hosts[flow->dsthost];
-		u16 host_load = 1;
-
 		if (!flow->set) {
 			list_add_tail(&flow->flowchain, &b->new_flows);
 		} else {
···
 		flow->set = CAKE_SET_SPARSE;
 		b->sparse_flow_count++;
 
-		if (cake_dsrc(q->flow_mode))
-			host_load = max(host_load, srchost->srchost_bulk_flow_count);
-
-		if (cake_ddst(q->flow_mode))
-			host_load = max(host_load, dsthost->dsthost_bulk_flow_count);
-
-		flow->deficit = (b->flow_quantum *
-				 quantum_div[host_load]) >> 16;
+		flow->deficit = cake_get_flow_quantum(b, flow, q->flow_mode);
 	} else if (flow->set == CAKE_SET_SPARSE_WAIT) {
-		struct cake_host *srchost = &b->hosts[flow->srchost];
-		struct cake_host *dsthost = &b->hosts[flow->dsthost];
-
 		/* this flow was empty, accounted as a sparse flow, but actually
 		 * in the bulk rotation.
 		 */
···
 		b->sparse_flow_count--;
 		b->bulk_flow_count++;
 
-		if (cake_dsrc(q->flow_mode))
-			srchost->srchost_bulk_flow_count++;
-
-		if (cake_ddst(q->flow_mode))
-			dsthost->dsthost_bulk_flow_count++;
-
+		cake_inc_srchost_bulk_flow_count(b, flow, q->flow_mode);
+		cake_inc_dsthost_bulk_flow_count(b, flow, q->flow_mode);
 	}
 
 	if (q->buffer_used > q->buffer_max_used)
···
 {
 	struct cake_sched_data *q = qdisc_priv(sch);
 	struct cake_tin_data *b = &q->tins[q->cur_tin];
-	struct cake_host *srchost, *dsthost;
 	ktime_t now = ktime_get();
 	struct cake_flow *flow;
 	struct list_head *head;
 	bool first_flow = true;
 	struct sk_buff *skb;
-	u16 host_load;
 	u64 delay;
 	u32 len;
 
···
 	q->cur_flow = flow - b->flows;
 	first_flow = false;
 
-	/* triple isolation (modified DRR++) */
-	srchost = &b->hosts[flow->srchost];
-	dsthost = &b->hosts[flow->dsthost];
-	host_load = 1;
-
 	/* flow isolation (DRR++) */
 	if (flow->deficit <= 0) {
 		/* Keep all flows with deficits out of the sparse and decaying
···
 				b->sparse_flow_count--;
 				b->bulk_flow_count++;
 
-				if (cake_dsrc(q->flow_mode))
-					srchost->srchost_bulk_flow_count++;
-
-				if (cake_ddst(q->flow_mode))
-					dsthost->dsthost_bulk_flow_count++;
+				cake_inc_srchost_bulk_flow_count(b, flow, q->flow_mode);
+				cake_inc_dsthost_bulk_flow_count(b, flow, q->flow_mode);
 
 				flow->set = CAKE_SET_BULK;
 			} else {
···
 			}
 		}
 
-		if (cake_dsrc(q->flow_mode))
-			host_load = max(host_load, srchost->srchost_bulk_flow_count);
-
-		if (cake_ddst(q->flow_mode))
-			host_load = max(host_load, dsthost->dsthost_bulk_flow_count);
-
-		WARN_ON(host_load > CAKE_QUEUES);
-
-		/* The get_random_u16() is a way to apply dithering to avoid
-		 * accumulating roundoff errors
-		 */
-		flow->deficit += (b->flow_quantum * quantum_div[host_load] +
-				  get_random_u16()) >> 16;
+		flow->deficit += cake_get_flow_quantum(b, flow, q->flow_mode);
 		list_move_tail(&flow->flowchain, &b->old_flows);
 
 		goto retry;
···
 				if (flow->set == CAKE_SET_BULK) {
 					b->bulk_flow_count--;
 
-					if (cake_dsrc(q->flow_mode))
-						srchost->srchost_bulk_flow_count--;
-
-					if (cake_ddst(q->flow_mode))
-						dsthost->dsthost_bulk_flow_count--;
+					cake_dec_srchost_bulk_flow_count(b, flow, q->flow_mode);
+					cake_dec_dsthost_bulk_flow_count(b, flow, q->flow_mode);
 
 					b->decaying_flow_count++;
 				} else if (flow->set == CAKE_SET_SPARSE ||
···
 				else if (flow->set == CAKE_SET_BULK) {
 					b->bulk_flow_count--;
 
-					if (cake_dsrc(q->flow_mode))
-						srchost->srchost_bulk_flow_count--;
-
-					if (cake_ddst(q->flow_mode))
-						dsthost->dsthost_bulk_flow_count--;
-
+					cake_dec_srchost_bulk_flow_count(b, flow, q->flow_mode);
+					cake_dec_dsthost_bulk_flow_count(b, flow, q->flow_mode);
 				} else
 					b->decaying_flow_count--;
 

net/sctp/associola.c

···
 		= 5 * asoc->rto_max;
 
 	asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = asoc->sackdelay;
-	asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] = sp->autoclose * HZ;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
+		(unsigned long)sp->autoclose * HZ;
 
 	/* Initializes the timers */
 	for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i)

net/sctp/sysctl.c

···
 static int proc_sctp_do_hmac_alg(const struct ctl_table *ctl, int write,
 				 void *buffer, size_t *lenp, loff_t *ppos)
 {
-	struct net *net = current->nsproxy->net_ns;
+	struct net *net = container_of(ctl->data, struct net,
+				       sctp.sctp_hmac_alg);
 	struct ctl_table tbl;
 	bool changed = false;
 	char *none = "none";
···
 static int proc_sctp_do_rto_min(const struct ctl_table *ctl, int write,
 				void *buffer, size_t *lenp, loff_t *ppos)
 {
-	struct net *net = current->nsproxy->net_ns;
+	struct net *net = container_of(ctl->data, struct net, sctp.rto_min);
 	unsigned int min = *(unsigned int *) ctl->extra1;
 	unsigned int max = *(unsigned int *) ctl->extra2;
 	struct ctl_table tbl;
···
 static int proc_sctp_do_rto_max(const struct ctl_table *ctl, int write,
 				void *buffer, size_t *lenp, loff_t *ppos)
 {
-	struct net *net = current->nsproxy->net_ns;
+	struct net *net = container_of(ctl->data, struct net, sctp.rto_max);
 	unsigned int min = *(unsigned int *) ctl->extra1;
 	unsigned int max = *(unsigned int *) ctl->extra2;
 	struct ctl_table tbl;
···
 static int proc_sctp_do_auth(const struct ctl_table *ctl, int write,
 			     void *buffer, size_t *lenp, loff_t *ppos)
 {
-	struct net *net = current->nsproxy->net_ns;
+	struct net *net = container_of(ctl->data, struct net, sctp.auth_enable);
 	struct ctl_table tbl;
 	int new_value, ret;
 
···
 static int proc_sctp_do_udp_port(const struct ctl_table *ctl, int write,
 				 void *buffer, size_t *lenp, loff_t *ppos)
 {
-	struct net *net = current->nsproxy->net_ns;
+	struct net *net = container_of(ctl->data, struct net, sctp.udp_port);
 	unsigned int min = *(unsigned int *)ctl->extra1;
 	unsigned int max = *(unsigned int *)ctl->extra2;
 	struct ctl_table tbl;
···
 static int proc_sctp_do_probe_interval(const struct ctl_table *ctl, int write,
 				       void *buffer, size_t *lenp, loff_t *ppos)
 {
-	struct net *net = current->nsproxy->net_ns;
+	struct net *net = container_of(ctl->data, struct net,
+				       sctp.probe_interval);
 	struct ctl_table tbl;
 	int ret, new_value;
 

net/smc/af_smc.c

···
 	if (pclc->hdr.typev1 == SMC_TYPE_N)
 		return 0;
 	pclc_prfx = smc_clc_proposal_get_prefix(pclc);
+	if (!pclc_prfx)
+		return -EPROTO;
 	if (smc_clc_prfx_match(newclcsock, pclc_prfx))
 		return SMC_CLC_DECL_DIFFPREFIX;
 
···
 	pclc_smcd = smc_get_clc_msg_smcd(pclc);
 	smc_v2_ext = smc_get_clc_v2_ext(pclc);
 	smcd_v2_ext = smc_get_clc_smcd_v2_ext(smc_v2_ext);
+	if (!pclc_smcd || !smc_v2_ext || !smcd_v2_ext)
+		goto not_found;
 
 	mutex_lock(&smcd_dev_list.mutex);
 	if (pclc_smcd->ism.chid) {
···
 	int rc = 0;
 
 	/* check if ISM V1 is available */
-	if (!(ini->smcd_version & SMC_V1) || !smcd_indicated(ini->smc_type_v1))
+	if (!(ini->smcd_version & SMC_V1) ||
+	    !smcd_indicated(ini->smc_type_v1) ||
+	    !pclc_smcd)
 		goto not_found;
 	ini->is_smcd = true; /* prepare ISM check */
 	ini->ism_peer_gid[0].gid = ntohll(pclc_smcd->ism.gid);
···
 		goto not_found;
 
 	smc_v2_ext = smc_get_clc_v2_ext(pclc);
-	if (!smc_clc_match_eid(ini->negotiated_eid, smc_v2_ext, NULL, NULL))
+	if (!smc_v2_ext ||
+	    !smc_clc_match_eid(ini->negotiated_eid, smc_v2_ext, NULL, NULL))
 		goto not_found;
 
 	/* prepare RDMA check */
···
 			} else {
 				sk_set_bit(SOCKWQ_ASYNC_NOSPACE, sk);
 				set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
+
+				if (sk->sk_state != SMC_INIT) {
+					/* Race breaker the same way as tcp_poll(). */
+					smp_mb__after_atomic();
+					if (atomic_read(&smc->conn.sndbuf_space))
+						mask |= EPOLLOUT | EPOLLWRNORM;
+				}
 			}
 			if (atomic_read(&smc->conn.bytes_to_rcv))
 				mask |= EPOLLIN | EPOLLRDNORM;

net/smc/smc_clc.c

···
 	struct smc_clc_msg_hdr *hdr = &pclc->hdr;
 	struct smc_clc_v2_extension *v2_ext;
 
-	v2_ext = smc_get_clc_v2_ext(pclc);
 	pclc_prfx = smc_clc_proposal_get_prefix(pclc);
+	if (!pclc_prfx ||
+	    pclc_prfx->ipv6_prefixes_cnt > SMC_CLC_MAX_V6_PREFIX)
+		return false;
+
 	if (hdr->version == SMC_V1) {
 		if (hdr->typev1 == SMC_TYPE_N)
 			return false;
···
 			sizeof(struct smc_clc_msg_trail))
 			return false;
 	} else {
+		v2_ext = smc_get_clc_v2_ext(pclc);
+		if ((hdr->typev2 != SMC_TYPE_N &&
+		     (!v2_ext || v2_ext->hdr.eid_cnt > SMC_CLC_MAX_UEID)) ||
+		    (smcd_indicated(hdr->typev2) &&
+		     v2_ext->hdr.ism_gid_cnt > SMCD_CLC_MAX_V2_GID_ENTRIES))
+			return false;
+
 		if (ntohs(hdr->length) !=
 			sizeof(*pclc) +
 			sizeof(struct smc_clc_msg_smcd) +
···
 						SMC_CLC_RECV_BUF_LEN : datlen;
 		iov_iter_kvec(&msg.msg_iter, ITER_DEST, &vec, 1, recvlen);
 		len = sock_recvmsg(smc->clcsock, &msg, krflags);
+		if (len < recvlen) {
+			smc->sk.sk_err = EPROTO;
+			reason_code = -EPROTO;
+			goto out;
+		}
 		datlen -= len;
 	}
 	if (clcm->type == SMC_CLC_DECLINE) {

net/smc/smc_clc.h

···
 static inline struct smc_clc_msg_proposal_prefix *
 smc_clc_proposal_get_prefix(struct smc_clc_msg_proposal *pclc)
 {
+	u16 offset = ntohs(pclc->iparea_offset);
+
+	if (offset > sizeof(struct smc_clc_msg_smcd))
+		return NULL;
 	return (struct smc_clc_msg_proposal_prefix *)
-	       ((u8 *)pclc + sizeof(*pclc) + ntohs(pclc->iparea_offset));
+	       ((u8 *)pclc + sizeof(*pclc) + offset);
 }
 
 static inline bool smcr_indicated(int smc_type)
···
 smc_get_clc_v2_ext(struct smc_clc_msg_proposal *prop)
 {
 	struct smc_clc_msg_smcd *prop_smcd = smc_get_clc_msg_smcd(prop);
+	u16 max_offset;
 
-	if (!prop_smcd || !ntohs(prop_smcd->v2_ext_offset))
+	max_offset = offsetof(struct smc_clc_msg_proposal_area, pclc_v2_ext) -
+		     offsetof(struct smc_clc_msg_proposal_area, pclc_smcd) -
+		     offsetofend(struct smc_clc_msg_smcd, v2_ext_offset);
+
+	if (!prop_smcd || !ntohs(prop_smcd->v2_ext_offset) ||
+	    ntohs(prop_smcd->v2_ext_offset) > max_offset)
 		return NULL;
 
 	return (struct smc_clc_v2_extension *)
···
 static inline struct smc_clc_smcd_v2_extension *
 smc_get_clc_smcd_v2_ext(struct smc_clc_v2_extension *prop_v2ext)
 {
+	u16 max_offset = offsetof(struct smc_clc_msg_proposal_area, pclc_smcd_v2_ext) -
+		offsetof(struct smc_clc_msg_proposal_area, pclc_v2_ext) -
+		offsetof(struct smc_clc_v2_extension, hdr) -
+		offsetofend(struct smc_clnt_opts_area_hdr, smcd_v2_ext_offset);
+
 	if (!prop_v2ext)
 		return NULL;
-	if (!ntohs(prop_v2ext->hdr.smcd_v2_ext_offset))
+	if (!ntohs(prop_v2ext->hdr.smcd_v2_ext_offset) ||
+	    ntohs(prop_v2ext->hdr.smcd_v2_ext_offset) > max_offset)
 		return NULL;
 
 	return (struct smc_clc_smcd_v2_extension *)

net/smc/smc_core.c

···
 {
 	if (smc_link_downing(&lnk->state)) {
 		trace_smcr_link_down(lnk, __builtin_return_address(0));
-		schedule_work(&lnk->link_down_wrk);
+		smcr_link_hold(lnk); /* smcr_link_put in link_down_wrk */
+		if (!schedule_work(&lnk->link_down_wrk))
+			smcr_link_put(lnk);
 	}
 }
 
···
 	struct smc_link_group *lgr = link->lgr;
 
 	if (list_empty(&lgr->list))
-		return;
+		goto out;
 	wake_up_all(&lgr->llc_msg_waiter);
 	down_write(&lgr->llc_conf_mutex);
 	smcr_link_down(link);
 	up_write(&lgr->llc_conf_mutex);
+
+out:
+	smcr_link_put(link); /* smcr_link_hold by schedulers of link_down_work */
 }
 
 static int smc_vlan_by_tcpsk_walk(struct net_device *lower_dev,

net/tls/tls_sw.c

···
 
 tx_err:
 	if (rc < 0 && rc != -EAGAIN)
-		tls_err_abort(sk, -EBADMSG);
+		tls_err_abort(sk, rc);
 
 	return rc;
 }

rust/kernel/net/phy.rs

···
 /// ];
 /// #[cfg(MODULE)]
 /// #[no_mangle]
-/// static __mod_mdio__phydev_device_table: [::kernel::bindings::mdio_device_id; 2] = _DEVICE_TABLE;
+/// static __mod_device_table__mdio__phydev: [::kernel::bindings::mdio_device_id; 2] = _DEVICE_TABLE;
 /// ```
 #[macro_export]
 macro_rules! module_phy_driver {
···
 
         #[cfg(MODULE)]
         #[no_mangle]
-        static __mod_mdio__phydev_device_table: [$crate::bindings::mdio_device_id;
+        static __mod_device_table__mdio__phydev: [$crate::bindings::mdio_device_id;
             $crate::module_phy_driver!(@count_devices $($dev),+) + 1] = _DEVICE_TABLE;
     };
 

rust/kernel/workqueue.rs

···
     impl{T} HasWork<Self> for ClosureWork<T> { self.work }
 }
 
-// SAFETY: TODO.
+// SAFETY: The `__enqueue` implementation in RawWorkItem uses a `work_struct` initialized with the
+// `run` method of this trait as the function pointer because:
+//   - `__enqueue` gets the `work_struct` from the `Work` field, using `T::raw_get_work`.
+//   - The only safe way to create a `Work` object is through `Work::new`.
+//   - `Work::new` makes sure that `T::Pointer::run` is passed to `init_work_with_key`.
+//   - Finally `Work` and `RawWorkItem` guarantee that the correct `Work` field
+//     will be used because of the ID const generic bound. This makes sure that `T::raw_get_work`
+//     uses the correct offset for the `Work` field, and `Work::new` picks the correct
+//     implementation of `WorkItemPointer` for `Arc<T>`.
 unsafe impl<T, const ID: u64> WorkItemPointer<ID> for Arc<T>
 where
     T: WorkItem<ID, Pointer = Self>,
···
     }
 }
 
-// SAFETY: TODO.
+// SAFETY: The `work_struct` raw pointer is guaranteed to be valid for the duration of the call to
+// the closure because we get it from an `Arc`, which means that the ref count will be at least 1,
+// and we don't drop the `Arc` ourselves. If `queue_work_on` returns true, it is further guaranteed
+// to be valid until a call to the function pointer in `work_struct` because we leak the memory it
+// points to, and only reclaim it if the closure returns false, or in `WorkItemPointer::run`, which
+// is what the function pointer in the `work_struct` must be pointing to, according to the safety
+// requirements of `WorkItemPointer`.
 unsafe impl<T, const ID: u64> RawWorkItem<ID> for Arc<T>
 where
     T: WorkItem<ID, Pointer = Self>,

scripts/mksysmap

···
 #  (do not forget a space before each pattern)
 
 # local symbols for ARM, MIPS, etc.
-/ \\$/d
+/ \$/d
 
 # local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc.
 / \.L/d
···
 / __pi_\.L/d
 
 # arm64 local symbols in non-VHE KVM namespace
-/ __kvm_nvhe_\\$/d
+/ __kvm_nvhe_\$/d
 / __kvm_nvhe_\.L/d
 
 # lld arm/aarch64/mips thunks

scripts/mod/file2alias.c

···
  * based at address m.
  */
 #define DEF_FIELD(m, devid, f) \
-	typeof(((struct devid *)0)->f) f = TO_NATIVE(*(typeof(f) *)((m) + OFF_##devid##_##f))
+	typeof(((struct devid *)0)->f) f = \
+		get_unaligned_native((typeof(f) *)((m) + OFF_##devid##_##f))
 
 /* Define a variable f that holds the address of field f of struct devid
  * based at address m.  Due to the way typeof works, for a field of type
···
 static void do_pcmcia_entry(struct module *mod, void *symval)
 {
 	char alias[256] = {};
-	unsigned int i;
+
 	DEF_FIELD(symval, pcmcia_device_id, match_flags);
 	DEF_FIELD(symval, pcmcia_device_id, manf_id);
 	DEF_FIELD(symval, pcmcia_device_id, card_id);
···
 	DEF_FIELD(symval, pcmcia_device_id, function);
 	DEF_FIELD(symval, pcmcia_device_id, device_no);
 	DEF_FIELD_ADDR(symval, pcmcia_device_id, prod_id_hash);
-
-	for (i=0; i<4; i++) {
-		(*prod_id_hash)[i] = TO_NATIVE((*prod_id_hash)[i]);
-	}
 
 	ADD(alias, "m", match_flags & PCMCIA_DEV_ID_MATCH_MANF_ID,
 	    manf_id);
···
 	    function);
 	ADD(alias, "pfn", match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO,
 	    device_no);
-	ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1, (*prod_id_hash)[0]);
-	ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2, (*prod_id_hash)[1]);
-	ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3, (*prod_id_hash)[2]);
-	ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4, (*prod_id_hash)[3]);
+	ADD(alias, "pa", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID1,
+	    get_unaligned_native(*prod_id_hash + 0));
+	ADD(alias, "pb", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID2,
+	    get_unaligned_native(*prod_id_hash + 1));
+	ADD(alias, "pc", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID3,
+	    get_unaligned_native(*prod_id_hash + 2));
+	ADD(alias, "pd", match_flags & PCMCIA_DEV_ID_MATCH_PROD_ID4,
+	    get_unaligned_native(*prod_id_hash + 3));
 
 	module_alias_printf(mod, true, "pcmcia:%s", alias);
 }
···
 {
 	unsigned int i;
 
-	for (i = min / BITS_PER_LONG; i < max / BITS_PER_LONG + 1; i++)
-		arr[i] = TO_NATIVE(arr[i]);
-	for (i = min; i < max; i++)
-		if (arr[i / BITS_PER_LONG] & (1ULL << (i%BITS_PER_LONG)))
+	for (i = min; i <= max; i++)
+		if (get_unaligned_native(arr + i / BITS_PER_LONG) &
+		    (1ULL << (i % BITS_PER_LONG)))
 			sprintf(alias + strlen(alias), "%X,*", i);
 }
 
···
  * Each byte of the guid will be represented by two hex characters
  * in the name.
  */
-
 static void do_vmbus_entry(struct module *mod, void *symval)
 {
-	int i;
 	DEF_FIELD_ADDR(symval, hv_vmbus_device_id, guid);
-	char guid_name[(sizeof(*guid) + 1) * 2];
+	char guid_name[sizeof(*guid) * 2 + 1];
 
-	for (i = 0; i < (sizeof(*guid) * 2); i += 2)
-		sprintf(&guid_name[i], "%02x", TO_NATIVE((guid->b)[i/2]));
+	for (int i = 0; i < sizeof(*guid); i++)
+		sprintf(&guid_name[i * 2], "%02x", guid->b[i]);
 
 	module_alias_printf(mod, false, "vmbus:%s", guid_name);
 }

scripts/mod/modpost.c

···
 /* A list of all modules we processed */
 LIST_HEAD(modules);
 
-static struct module *find_module(const char *modname)
+static struct module *find_module(const char *filename, const char *modname)
 {
 	struct module *mod;
 
 	list_for_each_entry(mod, &modules, list) {
-		if (strcmp(mod->name, modname) == 0)
+		if (!strcmp(mod->dump_file, filename) &&
+		    !strcmp(mod->name, modname))
 			return mod;
 	}
 	return NULL;
···
 {
 	switch (r_type) {
 	case R_386_32:
-		return TO_NATIVE(*location);
+		return get_unaligned_native(location);
 	case R_386_PC32:
-		return TO_NATIVE(*location) + 4;
+		return get_unaligned_native(location) + 4;
 	}
 
 	return (Elf_Addr)(-1);
···
 	switch (r_type) {
 	case R_ARM_ABS32:
 	case R_ARM_REL32:
-		inst = TO_NATIVE(*(uint32_t *)loc);
+		inst = get_unaligned_native((uint32_t *)loc);
 		return inst + sym->st_value;
 	case R_ARM_MOVW_ABS_NC:
 	case R_ARM_MOVT_ABS:
-		inst = TO_NATIVE(*(uint32_t *)loc);
+		inst = get_unaligned_native((uint32_t *)loc);
 		offset = sign_extend32(((inst & 0xf0000) >> 4) | (inst & 0xfff),
 				       15);
 		return offset + sym->st_value;
 	case R_ARM_PC24:
 	case R_ARM_CALL:
 	case R_ARM_JUMP24:
-		inst = TO_NATIVE(*(uint32_t *)loc);
+		inst = get_unaligned_native((uint32_t *)loc);
 		offset = sign_extend32((inst & 0x00ffffff) << 2, 25);
 		return offset + sym->st_value + 8;
 	case R_ARM_THM_MOVW_ABS_NC:
 	case R_ARM_THM_MOVT_ABS:
-		upper = TO_NATIVE(*(uint16_t *)loc);
-		lower = TO_NATIVE(*((uint16_t *)loc + 1));
+		upper = get_unaligned_native((uint16_t *)loc);
+		lower = get_unaligned_native((uint16_t *)loc + 1);
 		offset = sign_extend32(((upper & 0x000f) << 12) |
 				       ((upper & 0x0400) << 1) |
 				       ((lower & 0x7000) >> 4) |
···
 		 * imm11 = lower[10:0]
 		 * imm32 = SignExtend(S:J2:J1:imm6:imm11:'0')
 		 */
-		upper = TO_NATIVE(*(uint16_t *)loc);
-		lower = TO_NATIVE(*((uint16_t *)loc + 1));
+		upper = get_unaligned_native((uint16_t *)loc);
+		lower = get_unaligned_native((uint16_t *)loc + 1);
 
 		sign = (upper >> 10) & 1;
 		j1 = (lower >> 13) & 1;
···
 		 * I2    = NOT(J2 XOR S)
 		 * imm32 = SignExtend(S:I1:I2:imm10:imm11:'0')
 		 */
-		upper = TO_NATIVE(*(uint16_t *)loc);
-		lower = TO_NATIVE(*((uint16_t *)loc + 1));
+		upper = get_unaligned_native((uint16_t *)loc);
+		lower = get_unaligned_native((uint16_t *)loc + 1);
 
 		sign = (upper >> 10) & 1;
 		j1 = (lower >> 13) & 1;
···
 {
 	uint32_t inst;
 
-	inst = TO_NATIVE(*location);
+	inst = get_unaligned_native(location);
 	switch (r_type) {
 	case R_MIPS_LO16:
 		return inst & 0xffff;
···
 			continue;
 		}
 
-		mod = find_module(modname);
+		mod = find_module(fname, modname);
 		if (!mod) {
 			mod = new_module(modname, strlen(modname));
-			mod->from_dump = true;
+			mod->dump_file = fname;
 		}
 		s = sym_add_exported(symname, mod, gpl_only, namespace);
 		sym_set_crc(s, crc);
···
 	struct symbol *sym;
 
 	list_for_each_entry(mod, &modules, list) {
-		if (mod->from_dump)
+		if (mod->dump_file)
 			continue;
 		list_for_each_entry(sym, &mod->exported_symbols, list) {
 			if (trim_unused_exports && !sym->used)
···
 
 	list_for_each_entry(mod, &modules, list) {
 
-		if (mod->from_dump || list_empty(&mod->missing_namespaces))
+		if (mod->dump_file || list_empty(&mod->missing_namespaces))
 			continue;
 
 		buf_printf(&ns_deps_buf, "%s.ko:", mod->name);
···
 		read_symbols_from_files(files_source);
 
 	list_for_each_entry(mod, &modules, list) {
-		if (mod->from_dump || mod->is_vmlinux)
+		if (mod->dump_file || mod->is_vmlinux)
 			continue;
 
 		check_modname_len(mod);
···
 		handle_white_list_exports(unused_exports_white_list);
 
 	list_for_each_entry(mod, &modules, list) {
-		if (mod->from_dump)
+		if (mod->dump_file)
 			continue;
 
 		if (mod->is_vmlinux)

scripts/mod/modpost.h

···
 #define TO_NATIVE(x)	\
 	(target_is_big_endian == host_is_big_endian ? x : bswap(x))
 
+#define __get_unaligned_t(type, ptr) ({					\
+	const struct { type x; } __attribute__((__packed__)) *__pptr =	\
+						(typeof(__pptr))(ptr);	\
+	__pptr->x;							\
+})
+
+#define get_unaligned(ptr)	__get_unaligned_t(typeof(*(ptr)), (ptr))
+
+#define get_unaligned_native(ptr) \
+({ \
+	typeof(*(ptr)) _val = get_unaligned(ptr); \
+	TO_NATIVE(_val); \
+})
+
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 
 #define strstarts(str, prefix) (strncmp(str, prefix, strlen(prefix)) == 0)
···
 /**
  * struct module - represent a module (vmlinux or *.ko)
  *
+ * @dump_file: path to the .symvers file if loaded from a file
  * @aliases: list head for module_aliases
  */
 struct module {
 	struct list_head list;
 	struct list_head exported_symbols;
 	struct list_head unresolved_symbols;
+	const char *dump_file;
 	bool is_gpl_compatible;
-	bool from_dump;		/* true if module was loaded from *.symvers */
 	bool is_vmlinux;
 	bool seen;
 	bool has_init;

scripts/package/PKGBUILD

···
 
 _package-api-headers() {
 	pkgdesc="Kernel headers sanitized for use in userspace"
-	provides=(linux-api-headers)
+	provides=(linux-api-headers="${pkgver}")
 	conflicts=(linux-api-headers)
 
 	_prologue

scripts/package/builddeb

···
 	esac
 	cp "$(${MAKE} -s -f ${srctree}/Makefile image_name)" "${pdir}/${installed_image_path}"
 
+	if [ "${ARCH}" != um ]; then
+		install_maint_scripts "${pdir}"
+	fi
+}
+
+install_maint_scripts () {
 	# Install the maintainer scripts
 	# Note: hook scripts under /etc/kernel are also executed by official Debian
 	# kernel packages, as well as kernel packages built using make-kpkg.

scripts/package/mkdebian

···
 			debarch=sh4$(if_enabled_echo CONFIG_CPU_BIG_ENDIAN eb)
 		fi
 		;;
+	um)
+		if is_enabled CONFIG_64BIT; then
+			debarch=amd64
+		else
+			debarch=i386
+		fi
+		;;
 	esac
 	if [ -z "$debarch" ]; then
 		debarch=$(dpkg-architecture -qDEB_HOST_ARCH)

scripts/sorttable.h

···
 
 static int orc_sort_cmp(const void *_a, const void *_b)
 {
-	struct orc_entry *orc_a;
+	struct orc_entry *orc_a, *orc_b;
 	const int *a = g_orc_ip_table + *(int *)_a;
 	const int *b = g_orc_ip_table + *(int *)_b;
 	unsigned long a_val = orc_ip(a);
···
 	 * whitelisted .o files which didn't get objtool generation.
 	 */
 	orc_a = g_orc_table + (a - g_orc_ip_table);
+	orc_b = g_orc_table + (b - g_orc_ip_table);
+	if (orc_a->type == ORC_TYPE_UNDEFINED && orc_b->type == ORC_TYPE_UNDEFINED)
+		return 0;
 	return orc_a->type == ORC_TYPE_UNDEFINED ? -1 : 1;
 }
 

security/selinux/avc.c

···
  * using a linked list for extended_perms_decision lookup because the list is
  * always small. i.e. less than 5, typically 1
  */
-static struct extended_perms_decision *avc_xperms_decision_lookup(u8 driver,
-					struct avc_xperms_node *xp_node)
+static struct extended_perms_decision *
+avc_xperms_decision_lookup(u8 driver, u8 base_perm,
+			   struct avc_xperms_node *xp_node)
 {
 	struct avc_xperms_decision_node *xpd_node;
 
 	list_for_each_entry(xpd_node, &xp_node->xpd_head, xpd_list) {
-		if (xpd_node->xpd.driver == driver)
+		if (xpd_node->xpd.driver == driver &&
+		    xpd_node->xpd.base_perm == base_perm)
 			return &xpd_node->xpd;
 	}
 	return NULL;
···
 }
 
 static void avc_xperms_allow_perm(struct avc_xperms_node *xp_node,
-				u8 driver, u8 perm)
+				  u8 driver, u8 base_perm, u8 perm)
 {
 	struct extended_perms_decision *xpd;
 	security_xperm_set(xp_node->xp.drivers.p, driver);
-	xpd = avc_xperms_decision_lookup(driver, xp_node);
+	xp_node->xp.base_perms |= base_perm;
+	xpd = avc_xperms_decision_lookup(driver, base_perm, xp_node);
 	if (xpd && xpd->allowed)
 		security_xperm_set(xpd->allowed->p, perm);
 }
···
 static void avc_copy_xperms_decision(struct extended_perms_decision *dest,
 					struct extended_perms_decision *src)
 {
+	dest->base_perm = src->base_perm;
 	dest->driver = src->driver;
 	dest->used = src->used;
 	if (dest->used & XPERMS_ALLOWED)
···
 	 */
 	u8 i = perm >> 5;
 
+	dest->base_perm = src->base_perm;
 	dest->used = src->used;
 	if (dest->used & XPERMS_ALLOWED)
 		dest->allowed->p[i] = src->allowed->p[i];
···
 
 	memcpy(dest->xp.drivers.p, src->xp.drivers.p, sizeof(dest->xp.drivers.p));
 	dest->xp.len = src->xp.len;
+	dest->xp.base_perms = src->xp.base_perms;
 
 	/* for each source xpd allocate a destination xpd and copy */
 	list_for_each_entry(src_xpd, &src->xpd_head, xpd_list) {
···
  * @event : Updating event
  * @perms : Permission mask bits
  * @driver: xperm driver information
+ * @base_perm: the base permission associated with the extended permission
  * @xperm: xperm permissions
  * @ssid: AVC entry source sid
  * @tsid: AVC entry target sid
···
  * otherwise, this function updates the AVC entry. The original AVC-entry object
  * will release later by RCU.
  */
-static int avc_update_node(u32 event, u32 perms, u8 driver, u8 xperm, u32 ssid,
-			   u32 tsid, u16 tclass, u32 seqno,
-			   struct extended_perms_decision *xpd,
-			   u32 flags)
+static int avc_update_node(u32 event, u32 perms, u8 driver, u8 base_perm,
+			   u8 xperm, u32 ssid, u32 tsid, u16 tclass, u32 seqno,
+			   struct extended_perms_decision *xpd, u32 flags)
 {
 	u32 hvalue;
 	int rc = 0;
···
 	case AVC_CALLBACK_GRANT:
 		node->ae.avd.allowed |= perms;
 		if (node->ae.xp_node && (flags & AVC_EXTENDED_PERMS))
-			avc_xperms_allow_perm(node->ae.xp_node, driver, xperm);
+			avc_xperms_allow_perm(node->ae.xp_node, driver, base_perm, xperm);
 		break;
 	case AVC_CALLBACK_TRY_REVOKE:
 	case AVC_CALLBACK_REVOKE:
···
 	avc_insert(ssid, tsid, tclass, avd, xp_node);
 }
 
-static noinline int avc_denied(u32 ssid, u32 tsid,
-			       u16 tclass, u32 requested,
-			       u8 driver, u8 xperm, unsigned int flags,
-			       struct av_decision *avd)
+static noinline int avc_denied(u32 ssid, u32 tsid, u16 tclass, u32 requested,
+			       u8 driver, u8 base_perm, u8 xperm,
+			       unsigned int flags, struct av_decision *avd)
 {
 	if (flags & AVC_STRICT)
 		return -EACCES;
···
 	    !(avd->flags & AVD_FLAGS_PERMISSIVE))
 		return -EACCES;
 
-	avc_update_node(AVC_CALLBACK_GRANT, requested, driver,
+	avc_update_node(AVC_CALLBACK_GRANT, requested, driver, base_perm,
 			xperm, ssid, tsid, tclass, avd->seqno, NULL, flags);
 	return 0;
 }
···
  * driver field is used to specify which set contains the permission.
  */
 int avc_has_extended_perms(u32 ssid, u32 tsid, u16 tclass, u32 requested,
-			   u8 driver, u8 xperm, struct common_audit_data *ad)
+			   u8 driver, u8 base_perm, u8 xperm,
+			   struct common_audit_data *ad)
 {
 	struct avc_node *node;
 	struct av_decision avd;
···
 	local_xpd.auditallow = &auditallow;
 	local_xpd.dontaudit = &dontaudit;
 
-	xpd = avc_xperms_decision_lookup(driver, xp_node);
+	xpd = avc_xperms_decision_lookup(driver, base_perm, xp_node);
 	if (unlikely(!xpd)) {
 		/*
 		 * Compute the extended_perms_decision only if the driver
-		 * is flagged
+		 * is flagged and the base permission is known.
 		 */
-		if (!security_xperm_test(xp_node->xp.drivers.p, driver)) {
+		if (!security_xperm_test(xp_node->xp.drivers.p, driver) ||
+		    !(xp_node->xp.base_perms & base_perm)) {
 			avd.allowed &= ~requested;
 			goto decision;
 		}
 		rcu_read_unlock();
-		security_compute_xperms_decision(ssid, tsid, tclass,
-						 driver, &local_xpd);
+		security_compute_xperms_decision(ssid, tsid, tclass, driver,
+						 base_perm, &local_xpd);
 		rcu_read_lock();
-		avc_update_node(AVC_CALLBACK_ADD_XPERMS, requested,
-				driver, xperm, ssid, tsid, tclass, avd.seqno,
+		avc_update_node(AVC_CALLBACK_ADD_XPERMS, requested, driver,
+				base_perm, xperm, ssid, tsid, tclass, avd.seqno,
 				&local_xpd, 0);
 	} else {
 		avc_quick_copy_xperms_decision(xperm, &local_xpd, xpd);
···
 decision:
 	denied = requested & ~(avd.allowed);
 	if (unlikely(denied))
-		rc = avc_denied(ssid, tsid, tclass, requested,
-				driver, xperm, AVC_EXTENDED_PERMS, &avd);
+		rc = avc_denied(ssid, tsid, tclass, requested, driver,
+				base_perm, xperm, AVC_EXTENDED_PERMS, &avd);
 
 	rcu_read_unlock();
 
···
 	avc_compute_av(ssid, tsid, tclass, avd, &xp_node);
 	denied = requested & ~(avd->allowed);
 	if (unlikely(denied))
-		return avc_denied(ssid, tsid, tclass, requested, 0, 0,
+		return avc_denied(ssid, tsid, tclass, requested, 0, 0, 0,
 				  flags, avd);
 	return 0;
 }
···
 	rcu_read_unlock();
 
 	if (unlikely(denied))
-		return avc_denied(ssid, tsid, tclass, requested, 0, 0,
+		return avc_denied(ssid, tsid, tclass, requested, 0, 0, 0,
 				  flags, avd);
 	return 0;
 }

security/selinux/hooks.c

···
 		return 0;
 
 	isec = inode_security(inode);
-	rc = avc_has_extended_perms(ssid, isec->sid, isec->sclass,
-				    requested, driver, xperm, &ad);
+	rc = avc_has_extended_perms(ssid, isec->sid, isec->sclass, requested,
+				    driver, AVC_EXT_IOCTL, xperm, &ad);
 out:
 	return rc;
 }
···
 	xperm = nlmsg_type & 0xff;
 
 	return avc_has_extended_perms(current_sid(), sksec->sid, sksec->sclass,
-			perms, driver, xperm, &ad);
+				      perms, driver, AVC_EXT_NLMSG, xperm, &ad);
 }
 
 static int selinux_netlink_send(struct sock *sk, struct sk_buff *skb)

security/selinux/include/avc.h

···
 int avc_has_perm(u32 ssid, u32 tsid, u16 tclass, u32 requested,
 		 struct common_audit_data *auditdata);
 
+#define AVC_EXT_IOCTL	(1 << 0) /* Cache entry for an ioctl extended permission */
+#define AVC_EXT_NLMSG	(1 << 1) /* Cache entry for an nlmsg extended permission */
 int avc_has_extended_perms(u32 ssid, u32 tsid, u16 tclass, u32 requested,
-			   u8 driver, u8 perm, struct common_audit_data *ad);
+			   u8 driver, u8 base_perm, u8 perm,
+			   struct common_audit_data *ad);
 
 u32 avc_policy_seqno(void);
 

security/selinux/include/security.h

···
 struct extended_perms_decision {
 	u8 used;
 	u8 driver;
+	u8 base_perm;
 	struct extended_perms_data *allowed;
 	struct extended_perms_data *auditallow;
 	struct extended_perms_data *dontaudit;
···
 
 struct extended_perms {
 	u16 len; /* length associated decision chain */
+	u8 base_perms; /* which base permissions are covered */
 	struct extended_perms_data drivers; /* flag drivers that are used */
 };
 
···
 			 struct extended_perms *xperms);
 
 void security_compute_xperms_decision(u32 ssid, u32 tsid, u16 tclass, u8 driver,
+				      u8 base_perm,
 				      struct extended_perms_decision *xpermd);
 
 void security_compute_av_user(u32 ssid, u32 tsid, u16 tclass,

security/selinux/ss/services.c

···
 }
 
 /*
- * Flag which drivers have permissions.
+ * Flag which drivers have permissions and which base permissions are covered.
  */
 void services_compute_xperms_drivers(
 		struct extended_perms *xperms,
···
 
 	switch (node->datum.u.xperms->specified) {
 	case AVTAB_XPERMS_IOCTLDRIVER:
+		xperms->base_perms |= AVC_EXT_IOCTL;
 		/* if one or more driver has all permissions allowed */
 		for (i = 0; i < ARRAY_SIZE(xperms->drivers.p); i++)
 			xperms->drivers.p[i] |= node->datum.u.xperms->perms.p[i];
 		break;
 	case AVTAB_XPERMS_IOCTLFUNCTION:
+		xperms->base_perms |= AVC_EXT_IOCTL;
+		/* if allowing permissions within a driver */
+		security_xperm_set(xperms->drivers.p,
+					node->datum.u.xperms->driver);
+		break;
 	case AVTAB_XPERMS_NLMSG:
+		xperms->base_perms |= AVC_EXT_NLMSG;
 		/* if allowing permissions within a driver */
 		security_xperm_set(xperms->drivers.p,
 					node->datum.u.xperms->driver);
···
 	avd->auditallow = 0;
 	avd->auditdeny = 0xffffffff;
 	if (xperms) {
-		memset(&xperms->drivers, 0, sizeof(xperms->drivers));
-		xperms->len = 0;
+		memset(xperms, 0, sizeof(*xperms));
 	}
 
 	if (unlikely(!tclass || tclass > policydb->p_classes.nprim)) {
···
 {
 	switch (node->datum.u.xperms->specified) {
 	case AVTAB_XPERMS_IOCTLFUNCTION:
-	case AVTAB_XPERMS_NLMSG:
-		if (xpermd->driver != node->datum.u.xperms->driver)
+		if (xpermd->base_perm != AVC_EXT_IOCTL ||
+		    xpermd->driver != node->datum.u.xperms->driver)
 			return;
 		break;
 	case AVTAB_XPERMS_IOCTLDRIVER:
-		if (!security_xperm_test(node->datum.u.xperms->perms.p,
-					xpermd->driver))
+		if (xpermd->base_perm != AVC_EXT_IOCTL ||
+		    !security_xperm_test(node->datum.u.xperms->perms.p,
+					 xpermd->driver))
+			return;
+		break;
+	case AVTAB_XPERMS_NLMSG:
+		if (xpermd->base_perm != AVC_EXT_NLMSG ||
+		    xpermd->driver != node->datum.u.xperms->driver)
 			return;
 		break;
 	default:
-		BUG();
+		pr_warn_once(
+			"SELinux: unknown extended permission (%u) will be ignored\n",
+			node->datum.u.xperms->specified);
+		return;
 	}
 
 	if (node->key.specified == AVTAB_XPERMS_ALLOWED) {
···
 					    &node->datum.u.xperms->perms,
 					    xpermd->dontaudit);
 	} else {
-		BUG();
+		pr_warn_once("SELinux: unknown specified key (%u)\n",
+			     node->key.specified);
 	}
 }
 
···
 				      u32 tsid,
 				      u16 orig_tclass,
 				      u8 driver,
+				      u8 base_perm,
 				      struct extended_perms_decision *xpermd)
 {
 	struct selinux_policy *policy;
···
 	struct ebitmap_node *snode, *tnode;
 	unsigned int i, j;
 
+	xpermd->base_perm = base_perm;
 	xpermd->driver = driver;
 	xpermd->used = 0;
 	memset(xpermd->allowed->p, 0, sizeof(xpermd->allowed->p));

sound/core/compress_offload.c

···
 static int snd_compr_task_new(struct snd_compr_stream *stream, struct snd_compr_task *utask)
 {
 	struct snd_compr_task_runtime *task;
-	int retval;
+	int retval, fd_i, fd_o;
 
 	if (stream->runtime->total_tasks >= stream->runtime->fragments)
 		return -EBUSY;
···
 	retval = stream->ops->task_create(stream, task);
 	if (retval < 0)
 		goto cleanup;
-	utask->input_fd = dma_buf_fd(task->input, O_WRONLY|O_CLOEXEC);
-	if (utask->input_fd < 0) {
-		retval = utask->input_fd;
+	/* similar functionality as in dma_buf_fd(), but ensure that both
+	   file descriptors are allocated before fd_install() */
+	if (!task->input || !task->input->file || !task->output || !task->output->file) {
+		retval = -EINVAL;
 		goto cleanup;
 	}
-	utask->output_fd = dma_buf_fd(task->output, O_RDONLY|O_CLOEXEC);
-	if (utask->output_fd < 0) {
-		retval = utask->output_fd;
+	fd_i = get_unused_fd_flags(O_WRONLY|O_CLOEXEC);
+	if (fd_i < 0)
+		goto cleanup;
+	fd_o = get_unused_fd_flags(O_RDONLY|O_CLOEXEC);
+	if (fd_o < 0) {
+		put_unused_fd(fd_i);
 		goto cleanup;
 	}
 	/* keep dmabuf reference until freed with task free ioctl */
-	dma_buf_get(utask->input_fd);
-	dma_buf_get(utask->output_fd);
+	get_dma_buf(task->input);
+	get_dma_buf(task->output);
+	fd_install(fd_i, task->input->file);
+	fd_install(fd_o, task->output->file);
+	utask->input_fd = fd_i;
+	utask->output_fd = fd_o;
 	list_add_tail(&task->list, &stream->runtime->tasks);
 	stream->runtime->total_tasks++;
 	return 0;
···
 		return -EPERM;
 	task = memdup_user((void __user *)arg, sizeof(*task));
 	if (IS_ERR(task))
-		return PTR_ERR(no_free_ptr(task));
+		return PTR_ERR(task);
 	retval = snd_compr_task_new(stream, task);
 	if (retval >= 0)
 		if (copy_to_user((void __user *)arg, task, sizeof(*task)))
···
 		return -EPERM;
 	task = memdup_user((void __user *)arg, sizeof(*task));
 	if (IS_ERR(task))
-		return PTR_ERR(no_free_ptr(task));
+		return PTR_ERR(task);
 	retval = snd_compr_task_start(stream, task);
 	if (retval >= 0)
 		if (copy_to_user((void __user *)arg, task, sizeof(*task)))
···
 static int snd_compr_task_seq(struct snd_compr_stream *stream, unsigned long arg,
 					snd_compr_seq_func_t fcn)
 {
-	struct snd_compr_task_runtime *task;
+	struct snd_compr_task_runtime *task, *temp;
 	__u64 seqno;
 	int retval;
 
 	if (stream->runtime->state != SNDRV_PCM_STATE_SETUP)
 		return -EPERM;
-	retval = get_user(seqno, (__u64 __user *)arg);
-	if (retval < 0)
-		return retval;
+	retval = copy_from_user(&seqno, (__u64 __user *)arg, sizeof(seqno));
+	if (retval)
+		return -EFAULT;
 	retval = 0;
 	if (seqno == 0) {
-		list_for_each_entry_reverse(task, &stream->runtime->tasks, list)
+		list_for_each_entry_safe_reverse(task, temp, &stream->runtime->tasks, list)
 			fcn(stream, task);
 	} else {
 		task = snd_compr_find_task(stream, seqno);
···
 		return -EPERM;
 	status = memdup_user((void __user *)arg, sizeof(*status));
 	if (IS_ERR(status))
-		return PTR_ERR(no_free_ptr(status));
+		return PTR_ERR(status);
 	retval = snd_compr_task_status(stream, status);
 	if (retval >= 0)
 		if (copy_to_user((void __user *)arg, status, sizeof(*status)))
···
 }
 EXPORT_SYMBOL_GPL(snd_compr_task_finished);
 
+MODULE_IMPORT_NS("DMA_BUF");
 #endif /* CONFIG_SND_COMPRESS_ACCEL */
 
 static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg)

sound/core/memalloc.c

···
 	if (!p)
 		return NULL;
 	dmab->addr = dma_map_single(dmab->dev.dev, p, size, DMA_BIDIRECTIONAL);
-	if (dmab->addr == DMA_MAPPING_ERROR) {
+	if (dma_mapping_error(dmab->dev.dev, dmab->addr)) {
 		do_free_pages(dmab->area, size, true);
 		return NULL;
 	}

sound/core/seq/oss/seq_oss_synth.c

···
 };
 
 static DEFINE_SPINLOCK(register_lock);
+static DEFINE_MUTEX(sysex_mutex);
 
 /*
  * prototypes
···
 	if (!info)
 		return -ENXIO;
 
+	guard(mutex)(&sysex_mutex);
 	sysex = info->sysex;
 	if (sysex == NULL) {
 		sysex = kzalloc(sizeof(*sysex), GFP_KERNEL);

sound/core/seq/seq_clientmgr.c

···
 	if (client->type != client_info->type)
 		return -EINVAL;
 
-	/* check validity of midi_version field */
-	if (client->user_pversion >= SNDRV_PROTOCOL_VERSION(1, 0, 3) &&
-	    client_info->midi_version > SNDRV_SEQ_CLIENT_UMP_MIDI_2_0)
-		return -EINVAL;
+	if (client->user_pversion >= SNDRV_PROTOCOL_VERSION(1, 0, 3)) {
+		/* check validity of midi_version field */
+		if (client_info->midi_version > SNDRV_SEQ_CLIENT_UMP_MIDI_2_0)
+			return -EINVAL;
+
+		/* check if UMP is supported in kernel */
+		if (!IS_ENABLED(CONFIG_SND_SEQ_UMP) &&
+		    client_info->midi_version > 0)
+			return -EINVAL;
+	}
 
 	/* fill the info fields */
 	if (client_info->name[0])

sound/core/ump.c

···
 
 	num = 0;
 	for (i = 0; i < SNDRV_UMP_MAX_GROUPS; i++)
-		if ((group_maps & (1U << i)) && ump->groups[i].valid)
+		if (group_maps & (1U << i))
 			ump->legacy_mapping[num++] = i;
 
 	return num;

sound/pci/hda/patch_realtek.c

···
 	SND_PCI_QUIRK(0xf111, 0x0001, "Framework Laptop", ALC295_FIXUP_FRAMEWORK_LAPTOP_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0xf111, 0x0006, "Framework Laptop", ALC295_FIXUP_FRAMEWORK_LAPTOP_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0xf111, 0x0009, "Framework Laptop", ALC295_FIXUP_FRAMEWORK_LAPTOP_MIC_NO_PRESENCE),
+	SND_PCI_QUIRK(0xf111, 0x000c, "Framework Laptop", ALC295_FIXUP_FRAMEWORK_LAPTOP_MIC_NO_PRESENCE),
 
 #if 0
 	/* Below is a quirk table taken from the old code.

sound/pci/hda/tas2781_hda_i2c.c

···
 	}
 	sub = acpi_get_subsystem_id(ACPI_HANDLE(physdev));
 	if (IS_ERR(sub)) {
+		/* No subsys id in older tas2563 projects. */
+		if (!strncmp(hid, "INT8866", sizeof("INT8866")))
+			goto end_2563;
 		dev_err(p->dev, "Failed to get SUBSYS ID.\n");
 		ret = PTR_ERR(sub);
 		goto err;
···
 		p->speaker_id = NULL;
 	}
 
+end_2563:
 	acpi_dev_free_resource_list(&resources);
 	strscpy(p->dev_name, hid, sizeof(p->dev_name));
 	put_device(physdev);

sound/sh/sh_dac_audio.c

···
 	/* channel is not used (interleaved data) */
 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);
 
-	if (copy_from_iter(chip->data_buffer + pos, src, count) != count)
+	if (copy_from_iter(chip->data_buffer + pos, count, src) != count)
 		return -EFAULT;
 	chip->buffer_end = chip->data_buffer + pos + count;
 

sound/soc/amd/ps/pci-ps.c

···
 {
 	struct acpi_device *pdm_dev;
 	const union acpi_object *obj;
+	acpi_handle handle;
+	acpi_integer dmic_status;
 	u32 config;
 	bool is_dmic_dev = false;
 	bool is_sdw_dev = false;
+	bool wov_en, dmic_en;
 	int ret;
+
+	/* IF WOV entry not found, enable dmic based on acp-audio-device-type entry*/
+	wov_en = true;
+	dmic_en = false;
 
 	config = readl(acp_data->acp63_base + ACP_PIN_CONFIG);
 	switch (config) {
···
 			if (!acpi_dev_get_property(pdm_dev, "acp-audio-device-type",
 						   ACPI_TYPE_INTEGER, &obj) &&
 						   obj->integer.value == ACP_DMIC_DEV)
-				is_dmic_dev = true;
+				dmic_en = true;
 		}
+
+		handle = ACPI_HANDLE(&pci->dev);
+		ret = acpi_evaluate_integer(handle, "_WOV", NULL, &dmic_status);
+		if (!ACPI_FAILURE(ret))
+			wov_en = dmic_status;
 	}
+
+	if (dmic_en && wov_en)
+		is_dmic_dev = true;
 
 	if (acp_data->is_sdw_config) {
 		ret = acp_scan_sdw_devices(&pci->dev, ACP63_SDW_ADDR);

sound/soc/codecs/rt722-sdca.c

···
 		0x008d);
 	/* check HP calibration FSM status */
 	for (loop_check = 0; loop_check < chk_cnt; loop_check++) {
+		usleep_range(10000, 11000);
 		ret = rt722_sdca_index_read(rt722, RT722_VENDOR_CALI,
 			RT722_DAC_DC_CALI_CTL3, &calib_status);
-		if (ret < 0 || loop_check == chk_cnt)
+		if (ret < 0)
 			dev_dbg(&rt722->slave->dev, "calibration failed!, ret=%d\n", ret);
 		if ((calib_status & 0x0040) == 0x0)
 			break;
 	}
+
+	if (loop_check == chk_cnt)
+		dev_dbg(&rt722->slave->dev, "%s, calibration time-out!\n", __func__);
+
 	/* Set ADC09 power entity floating control */
 	rt722_sdca_index_write(rt722, RT722_VENDOR_HDA_CTL, RT722_ADC0A_08_PDE_FLOAT_CTL,
 		0x2a12);

sound/soc/fsl/Kconfig

···
 config SND_SOC_FSL_MQS
 	tristate "Medium Quality Sound (MQS) module support"
 	depends on SND_SOC_FSL_SAI
+	depends on IMX_SCMI_MISC_DRV || !IMX_SCMI_MISC_DRV
 	select REGMAP_MMIO
-	select IMX_SCMI_MISC_DRV if IMX_SCMI_MISC_EXT !=n
 	help
 	  Say Y if you want to add Medium Quality Sound (MQS)
 	  support for the Freescale CPUs.

sound/soc/intel/boards/sof_sdw.c

···
 		.callback = sof_sdw_quirk_cb,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "233C")
+			DMI_MATCH(DMI_PRODUCT_NAME, "21QB")
 		},
 		/* Note this quirk excludes the CODEC mic */
 		.driver_data = (void *)(SOC_SDW_CODEC_MIC),
···
 		.callback = sof_sdw_quirk_cb,
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "233B")
+			DMI_MATCH(DMI_PRODUCT_NAME, "21QA")
 		},
-		.driver_data = (void *)(SOC_SDW_SIDECAR_AMPS),
+		/* Note this quirk excludes the CODEC mic */
+		.driver_data = (void *)(SOC_SDW_CODEC_MIC),
+	},
+	{
+		.callback = sof_sdw_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "21Q6")
+		},
+		.driver_data = (void *)(SOC_SDW_SIDECAR_AMPS | SOC_SDW_CODEC_MIC),
+	},
+	{
+		.callback = sof_sdw_quirk_cb,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "21Q7")
+		},
+		.driver_data = (void *)(SOC_SDW_SIDECAR_AMPS | SOC_SDW_CODEC_MIC),
 	},
 
 	/* ArrowLake devices */

sound/soc/mediatek/common/mtk-afe-platform-driver.c

···
 	struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
 
 	size = afe->mtk_afe_hardware->buffer_bytes_max;
-	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
-				       afe->dev, size, size);
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, afe->dev, 0, size);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(mtk_afe_pcm_new);

sound/soc/sof/intel/hda-dai.c

···
 	return sdai->platform_private;
 }
 
-int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream,
-			 struct snd_soc_dai *cpu_dai)
+static int
+hda_link_dma_cleanup(struct snd_pcm_substream *substream,
+		     struct hdac_ext_stream *hext_stream,
+		     struct snd_soc_dai *cpu_dai, bool release)
 {
 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
 	struct sof_intel_hda_stream *hda_stream;
···
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 		stream_tag = hdac_stream(hext_stream)->stream_tag;
 		snd_hdac_ext_bus_link_clear_stream_id(hlink, stream_tag);
+	}
+
+	if (!release) {
+		/*
+		 * Force stream reconfiguration without releasing the channel on
+		 * subsequent stream restart (without free), including LinkDMA
+		 * reset.
+		 * The stream is released via hda_dai_hw_free()
+		 */
+		hext_stream->link_prepared = 0;
+		return 0;
 	}
 
 	if (ops->release_hext_stream)
···
 	if (!hext_stream)
 		return 0;
 
-	return hda_link_dma_cleanup(substream, hext_stream, cpu_dai);
+	return hda_link_dma_cleanup(substream, hext_stream, cpu_dai, true);
 }
 
 static int __maybe_unused hda_dai_hw_params_data(struct snd_pcm_substream *substream,
···
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
-		ret = hda_link_dma_cleanup(substream, hext_stream, dai);
+		ret = hda_link_dma_cleanup(substream, hext_stream, dai,
+					   cmd == SNDRV_PCM_TRIGGER_STOP ? false : true);
 		if (ret < 0) {
 			dev_err(sdev->dev, "%s: failed to clean up link DMA\n", __func__);
 			return ret;
···
 			}
 
 			ret = hda_link_dma_cleanup(hext_stream->link_substream,
-						   hext_stream,
-						   cpu_dai);
+						   hext_stream, cpu_dai, true);
 			if (ret < 0)
 				return ret;
 		}

sound/soc/sof/intel/hda.h

···
 hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget);
 int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags,
 		   struct snd_sof_dai_config_data *data);
-int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream,
-			 struct snd_soc_dai *cpu_dai);
 
 static inline struct snd_sof_dev *widget_to_sdev(struct snd_soc_dapm_widget *w)
 {

sound/usb/mixer_us16x08.c

···
 	struct usb_mixer_elem_info *elem = kcontrol->private_data;
 	struct snd_usb_audio *chip = elem->head.mixer->chip;
 	struct snd_us16x08_meter_store *store = elem->private_data;
-	u8 meter_urb[64];
+	u8 meter_urb[64] = {0};
 
 	switch (kcontrol->private_value) {
 	case 0: {

tools/hv/.gitignore

···
+hv_fcopy_uio_daemon
+hv_kvp_daemon
+hv_vss_daemon

tools/hv/hv_fcopy_uio_daemon.c

···
 #define WIN8_SRV_MINOR		1
 #define WIN8_SRV_VERSION	(WIN8_SRV_MAJOR << 16 | WIN8_SRV_MINOR)
 
-#define MAX_FOLDER_NAME		15
-#define MAX_PATH_LEN		15
 #define FCOPY_UIO		"/sys/bus/vmbus/devices/eb765408-105f-49b6-b4aa-c123b64d17d4/uio"
 
 #define FCOPY_VER_COUNT		1
···
 
 #define HV_RING_SIZE		0x4000 /* 16KB ring buffer size */
 
-unsigned char desc[HV_RING_SIZE];
+static unsigned char desc[HV_RING_SIZE];
 
 static int target_fd;
 static char target_fname[PATH_MAX];
···
 	struct vmbus_br txbr, rxbr;
 	void *ring;
 	uint32_t len = HV_RING_SIZE;
-	char uio_name[MAX_FOLDER_NAME] = {0};
-	char uio_dev_path[MAX_PATH_LEN] = {0};
+	char uio_name[NAME_MAX] = {0};
+	char uio_dev_path[PATH_MAX] = {0};
 
 	static struct option long_options[] = {
 		{"help",	no_argument,	   0,  'h' },
···
 		 */
 		ret = pread(fcopy_fd, &tmp, sizeof(int), 0);
 		if (ret < 0) {
+			if (errno == EINTR || errno == EAGAIN)
+				continue;
 			syslog(LOG_ERR, "pread failed: %s", strerror(errno));
-			continue;
+			goto close;
 		}
 
 		len = HV_RING_SIZE;

tools/hv/hv_get_dns_info.sh

···
-#!/bin/bash
+#!/bin/sh
 
 # This example script parses /etc/resolv.conf to retrive DNS information.
 # In the interest of keeping the KVP daemon code free of distro specific
···
 # this script can be based on the Network Manager APIs for retrieving DNS
 # entries.
 
-cat /etc/resolv.conf 2>/dev/null | awk '/^nameserver/ { print $2 }'
+exec awk '/^nameserver/ { print $2 }' /etc/resolv.conf 2>/dev/null

tools/hv/hv_kvp_daemon.c

···
 	 * .
 	 */
 
-	sprintf(cmd, KVP_SCRIPTS_PATH "%s",  "hv_get_dns_info");
+	sprintf(cmd, "exec %s %s", KVP_SCRIPTS_PATH "hv_get_dns_info", if_name);
 
 	/*
 	 * Execute the command to gather DNS info.
···
 	 * Enabled: DHCP enabled.
 	 */
 
-	sprintf(cmd, KVP_SCRIPTS_PATH "%s %s", "hv_get_dhcp_info", if_name);
+	sprintf(cmd, "exec %s %s", KVP_SCRIPTS_PATH "hv_get_dhcp_info", if_name);
 
 	file = popen(cmd, "r");
 	if (file == NULL)
···
 	 * invoke the external script to do its magic.
 	 */
 
-	str_len = snprintf(cmd, sizeof(cmd), KVP_SCRIPTS_PATH "%s %s %s",
-			   "hv_set_ifconfig", if_filename, nm_filename);
+	str_len = snprintf(cmd, sizeof(cmd), "exec %s %s %s",
+			   KVP_SCRIPTS_PATH "hv_set_ifconfig",
+			   if_filename, nm_filename);
 	/*
 	 * This is a little overcautious, but it's necessary to suppress some
 	 * false warnings from gcc 8.0.1.

tools/hv/hv_set_ifconfig.sh

···
 
 cp $1 /etc/sysconfig/network-scripts/
 
-chmod 600 $2
+umask 0177
 interface=$(echo $2 | awk -F - '{ print $2 }')
 filename="${2##*/}"
 

tools/include/uapi/linux/stddef.h

···
 #define __always_inline __inline__
 #endif
 
+/* Not all C++ standards support type declarations inside an anonymous union */
+#ifndef __cplusplus
+#define __struct_group_tag(TAG)		TAG
+#else
+#define __struct_group_tag(TAG)
+#endif
+
 /**
  * __struct_group() - Create a mirrored named and anonyomous struct
  *
···
  * and size: one anonymous and one named. The former's members can be used
  * normally without sub-struct naming, and the latter can be used to
  * reason about the start, end, and size of the group of struct members.
- * The named struct can also be explicitly tagged for layer reuse, as well
- * as both having struct attributes appended.
+ * The named struct can also be explicitly tagged for layer reuse (C only),
+ * as well as both having struct attributes appended.
  */
 #define __struct_group(TAG, NAME, ATTRS, MEMBERS...) \
 	union { \
 		struct { MEMBERS } ATTRS; \
-		struct TAG { MEMBERS } ATTRS NAME; \
-	}
+		struct __struct_group_tag(TAG) { MEMBERS } ATTRS NAME; \
+	} ATTRS
 
 /**
  * __DECLARE_FLEX_ARRAY() - Declare a flexible array usable in a union

tools/net/ynl/lib/ynl.py

···
         if attr["type"] == 'nest':
             nl_type |= Netlink.NLA_F_NESTED
             attr_payload = b''
-            sub_attrs = SpaceAttrs(self.attr_sets[space], value, search_attrs)
+            sub_space = attr['nested-attributes']
+            sub_attrs = SpaceAttrs(self.attr_sets[sub_space], value, search_attrs)
             for subname, subvalue in value.items():
-                attr_payload += self._add_attr(attr['nested-attributes'],
-                                               subname, subvalue, sub_attrs)
+                attr_payload += self._add_attr(sub_space, subname, subvalue, sub_attrs)
         elif attr["type"] == 'flag':
             if not value:
                 # If value is absent or false then skip attribute creation.

tools/objtool/check.c

···
 			break;
 
 		case INSN_CONTEXT_SWITCH:
-			if (func && (!next_insn || !next_insn->hint)) {
-				WARN_INSN(insn, "unsupported instruction in callable function");
-				return 1;
+			if (func) {
+				if (!next_insn || !next_insn->hint) {
+					WARN_INSN(insn, "unsupported instruction in callable function");
+					return 1;
+				}
+				break;
 			}
 			return 0;
 

tools/objtool/noreturns.h

···
 NORETURN(arch_cpu_idle_dead)
 NORETURN(bch2_trans_in_restart_error)
 NORETURN(bch2_trans_restart_error)
+NORETURN(bch2_trans_unlocked_error)
 NORETURN(cpu_bringup_and_idle)
 NORETURN(cpu_startup_entry)
 NORETURN(do_exit)

tools/sched_ext/include/scx/common.bpf.h

···
 void scx_bpf_dsq_insert_vtime(struct task_struct *p, u64 dsq_id, u64 slice, u64 vtime, u64 enq_flags) __ksym __weak;
 u32 scx_bpf_dispatch_nr_slots(void) __ksym;
 void scx_bpf_dispatch_cancel(void) __ksym;
-bool scx_bpf_dsq_move_to_local(u64 dsq_id) __ksym;
-void scx_bpf_dsq_move_set_slice(struct bpf_iter_scx_dsq *it__iter, u64 slice) __ksym;
-void scx_bpf_dsq_move_set_vtime(struct bpf_iter_scx_dsq *it__iter, u64 vtime) __ksym;
+bool scx_bpf_dsq_move_to_local(u64 dsq_id) __ksym __weak;
+void scx_bpf_dsq_move_set_slice(struct bpf_iter_scx_dsq *it__iter, u64 slice) __ksym __weak;
+void scx_bpf_dsq_move_set_vtime(struct bpf_iter_scx_dsq *it__iter, u64 vtime) __ksym __weak;
 bool scx_bpf_dsq_move(struct bpf_iter_scx_dsq *it__iter, struct task_struct *p, u64 dsq_id, u64 enq_flags) __ksym __weak;
 bool scx_bpf_dsq_move_vtime(struct bpf_iter_scx_dsq *it__iter, struct task_struct *p, u64 dsq_id, u64 enq_flags) __ksym __weak;
 u32 scx_bpf_reenqueue_local(void) __ksym;

tools/sched_ext/scx_central.c

···
 	SCX_BUG_ON(!cpuset, "Failed to allocate cpuset");
 	CPU_ZERO(cpuset);
 	CPU_SET(skel->rodata->central_cpu, cpuset);
-	SCX_BUG_ON(sched_setaffinity(0, sizeof(cpuset), cpuset),
+	SCX_BUG_ON(sched_setaffinity(0, sizeof(*cpuset), cpuset),
 		   "Failed to affinitize to central CPU %d (max %d)",
 		   skel->rodata->central_cpu, skel->rodata->nr_cpu_ids - 1);
 	CPU_FREE(cpuset);

tools/testing/selftests/alsa/Makefile

···
 $(OUTPUT)/libatest.so: conf.c alsa-local.h
 	$(CC) $(CFLAGS) -shared -fPIC $< $(LDLIBS) -o $@
 
-$(OUTPUT)/%: %.c $(TEST_GEN_PROGS_EXTENDED) alsa-local.h
+$(OUTPUT)/%: %.c $(OUTPUT)/libatest.so alsa-local.h
 	$(CC) $(CFLAGS) $< $(LDLIBS) -latest -o $@

tools/testing/selftests/bpf/prog_tests/socket_helpers.h

···
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __SOCKET_HELPERS__
+#define __SOCKET_HELPERS__
+
+#include <linux/vm_sockets.h>
+
+/* include/linux/net.h */
+#define SOCK_TYPE_MASK 0xf
+
+#define IO_TIMEOUT_SEC 30
+#define MAX_STRERR_LEN 256
+
+/* workaround for older vm_sockets.h */
+#ifndef VMADDR_CID_LOCAL
+#define VMADDR_CID_LOCAL 1
+#endif
+
+/* include/linux/cleanup.h */
+#define __get_and_null(p, nullvalue)                                           \
+	({                                                                     \
+		__auto_type __ptr = &(p);                                      \
+		__auto_type __val = *__ptr;                                    \
+		*__ptr = nullvalue;                                            \
+		__val;                                                         \
+	})
+
+#define take_fd(fd) __get_and_null(fd, -EBADF)
+
+/* Wrappers that fail the test on error and report it. */
+
+#define _FAIL(errnum, fmt...)                                                  \
+	({                                                                     \
+		error_at_line(0, (errnum), __func__, __LINE__, fmt);           \
+		CHECK_FAIL(true);                                              \
+	})
+#define FAIL(fmt...) _FAIL(0, fmt)
+#define FAIL_ERRNO(fmt...) _FAIL(errno, fmt)
+#define FAIL_LIBBPF(err, msg)                                                  \
+	({                                                                     \
+		char __buf[MAX_STRERR_LEN];                                    \
+		libbpf_strerror((err), __buf, sizeof(__buf));                  \
+		FAIL("%s: %s", (msg), __buf);                                  \
+	})
+
+
+#define xaccept_nonblock(fd, addr, len)                                        \
+	({                                                                     \
+		int __ret =                                                    \
+			accept_timeout((fd), (addr), (len), IO_TIMEOUT_SEC);   \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("accept");                                  \
+		__ret;                                                         \
+	})
+
+#define xbind(fd, addr, len)                                                   \
+	({                                                                     \
+		int __ret = bind((fd), (addr), (len));                         \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("bind");                                    \
+		__ret;                                                         \
+	})
+
+#define xclose(fd)                                                             \
+	({                                                                     \
+		int __ret = close((fd));                                       \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("close");                                   \
+		__ret;                                                         \
+	})
+
+#define xconnect(fd, addr, len)                                                \
+	({                                                                     \
+		int __ret = connect((fd), (addr), (len));                      \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("connect");                                 \
+		__ret;                                                         \
+	})
+
+#define xgetsockname(fd, addr, len)                                            \
+	({                                                                     \
+		int __ret = getsockname((fd), (addr), (len));                  \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("getsockname");                             \
+		__ret;                                                         \
+	})
+
+#define xgetsockopt(fd, level, name, val, len)                                 \
+	({                                                                     \
+		int __ret = getsockopt((fd), (level), (name), (val), (len));   \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("getsockopt(" #name ")");                   \
+		__ret;                                                         \
+	})
+
+#define xlisten(fd, backlog)                                                   \
+	({                                                                     \
+		int __ret = listen((fd), (backlog));                           \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("listen");                                  \
+		__ret;                                                         \
+	})
+
+#define xsetsockopt(fd, level, name, val, len)                                 \
+	({                                                                     \
+		int __ret = setsockopt((fd), (level), (name), (val), (len));   \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("setsockopt(" #name ")");                   \
+		__ret;                                                         \
+	})
+
+#define xsend(fd, buf, len, flags)                                             \
+	({                                                                     \
+		ssize_t __ret = send((fd), (buf), (len), (flags));             \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("send");                                    \
+		__ret;                                                         \
+	})
+
+#define xrecv_nonblock(fd, buf, len, flags)                                    \
+	({                                                                     \
+		ssize_t __ret = recv_timeout((fd), (buf), (len), (flags),      \
+					     IO_TIMEOUT_SEC);                  \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("recv");                                    \
+		__ret;                                                         \
+	})
+
+#define xsocket(family, sotype, flags)                                         \
+	({                                                                     \
+		int __ret = socket(family, sotype, flags);                     \
+		if (__ret == -1)                                               \
+			FAIL_ERRNO("socket");                                  \
+		__ret;                                                         \
+	})
+
+static inline void close_fd(int *fd)
+{
+	if (*fd >= 0)
+		xclose(*fd);
+}
+
+#define __close_fd __attribute__((cleanup(close_fd)))
+
+static inline struct sockaddr *sockaddr(struct sockaddr_storage *ss)
+{
+	return (struct sockaddr *)ss;
+}
+
+static inline void init_addr_loopback4(struct sockaddr_storage *ss,
+				       socklen_t *len)
+{
+	struct sockaddr_in *addr4 = memset(ss, 0, sizeof(*ss));
+
+	addr4->sin_family = AF_INET;
+	addr4->sin_port = 0;
+	addr4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+	*len = sizeof(*addr4);
+}
+
+static inline void init_addr_loopback6(struct sockaddr_storage *ss,
+				       socklen_t *len)
+{
+	struct sockaddr_in6 *addr6 = memset(ss, 0, sizeof(*ss));
+
+	addr6->sin6_family = AF_INET6;
+	addr6->sin6_port = 0;
+	addr6->sin6_addr = in6addr_loopback;
+	*len = sizeof(*addr6);
+}
+
+static inline void init_addr_loopback_vsock(struct sockaddr_storage *ss,
+					    socklen_t *len)
+{
+	struct sockaddr_vm *addr = memset(ss, 0, sizeof(*ss));
+
+	addr->svm_family = AF_VSOCK;
+	addr->svm_port = VMADDR_PORT_ANY;
+	addr->svm_cid = VMADDR_CID_LOCAL;
+	*len = sizeof(*addr);
+}
+
+static inline void init_addr_loopback(int family, struct sockaddr_storage *ss,
+				      socklen_t *len)
+{
+	switch (family) {
+	case AF_INET:
+		init_addr_loopback4(ss, len);
+		return;
+	case AF_INET6:
+		init_addr_loopback6(ss, len);
+		return;
+	case AF_VSOCK:
+		init_addr_loopback_vsock(ss, len);
+		return;
+	default:
+		FAIL("unsupported address family %d", family);
+	}
+}
+
+static inline int enable_reuseport(int s, int progfd)
+{
+	int err, one = 1;
+
+	err = xsetsockopt(s, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one));
+	if (err)
+		return -1;
+	err = xsetsockopt(s, SOL_SOCKET, SO_ATTACH_REUSEPORT_EBPF, &progfd,
+			  sizeof(progfd));
+	if (err)
+		return -1;
+
+	return 0;
+}
+
+static inline int socket_loopback_reuseport(int family, int sotype, int progfd)
+{
+	struct sockaddr_storage addr;
+	socklen_t len = 0;
+	int err, s;
+
+	init_addr_loopback(family, &addr, &len);
+
+	s = xsocket(family, sotype, 0);
+	if (s == -1)
+		return -1;
+
+	if (progfd >= 0)
+		enable_reuseport(s, progfd);
+
+	err = xbind(s, sockaddr(&addr), len);
+	if (err)
+		goto close;
+
+	if (sotype & SOCK_DGRAM)
+		return s;
+
+	err = xlisten(s, SOMAXCONN);
+	if (err)
+		goto close;
+
+	return s;
+close:
+	xclose(s);
+	return -1;
+}
+
+static inline int socket_loopback(int family, int sotype)
+{
+	return socket_loopback_reuseport(family, sotype, -1);
+}
+
+static inline int poll_connect(int fd, unsigned int timeout_sec)
+{
+	struct timeval timeout = { .tv_sec = timeout_sec };
+	fd_set wfds;
+	int r, eval;
+	socklen_t esize = sizeof(eval);
+
+	FD_ZERO(&wfds);
+	FD_SET(fd, &wfds);
+
+	r = select(fd + 1, NULL, &wfds, NULL, &timeout);
+	if (r == 0)
+		errno = ETIME;
+	if (r != 1)
+		return -1;
+
+	if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &eval, &esize) < 0)
+		return -1;
+	if (eval != 0) {
+		errno = eval;
+		return -1;
+	}
+
+	return 0;
+}
+
+static inline int poll_read(int fd, unsigned int timeout_sec)
+{
+	struct timeval timeout = { .tv_sec = timeout_sec };
+	fd_set rfds;
+	int r;
+
+	FD_ZERO(&rfds);
+	FD_SET(fd, &rfds);
+
+	r = select(fd + 1, &rfds, NULL, NULL, &timeout);
+	if (r == 0)
+		errno = ETIME;
+
+	return r == 1 ? 0 : -1;
+}
+
+static inline int accept_timeout(int fd, struct sockaddr *addr, socklen_t *len,
+				 unsigned int timeout_sec)
+{
+	if (poll_read(fd, timeout_sec))
+		return -1;
+
+	return accept(fd, addr, len);
+}
+
+static inline int recv_timeout(int fd, void *buf, size_t len, int flags,
+			       unsigned int timeout_sec)
+{
+	if (poll_read(fd, timeout_sec))
+		return -1;
+
+	return recv(fd, buf, len, flags);
+}
+
+
+static inline int create_pair(int family, int sotype, int *p0, int *p1)
+{
+	__close_fd int s, c = -1, p = -1;
+	struct sockaddr_storage addr;
+	socklen_t len = sizeof(addr);
+	int err;
+
+	s = socket_loopback(family, sotype);
+	if (s < 0)
+		return s;
+
+	err = xgetsockname(s, sockaddr(&addr), &len);
+	if (err)
+		return err;
+
+	c = xsocket(family, sotype, 0);
+	if (c < 0)
+		return c;
+
+	err = connect(c, sockaddr(&addr), len);
+	if (err) {
+		if (errno != EINPROGRESS) {
+			FAIL_ERRNO("connect");
+			return err;
+		}
+
+		err = poll_connect(c, IO_TIMEOUT_SEC);
+		if (err) {
+			FAIL_ERRNO("poll_connect");
+			return err;
+		}
+	}
+
+	switch (sotype & SOCK_TYPE_MASK) {
+	case SOCK_DGRAM:
+		err = xgetsockname(c, sockaddr(&addr), &len);
+		if (err)
+			return err;
+
+		err = xconnect(s, sockaddr(&addr), len);
+		if (err)
+			return err;
+
+		*p0 = take_fd(s);
+		break;
+	case SOCK_STREAM:
+	case SOCK_SEQPACKET:
+		p = xaccept_nonblock(s, NULL, NULL);
+		if (p < 0)
+			return p;
+
+		*p0 = take_fd(p);
+		break;
+	default:
+		FAIL("Unsupported socket type %#x", sotype);
+		return -EOPNOTSUPP;
+	}
+
+	*p1 = take_fd(c);
+	return 0;
+}
+
+static inline int create_socket_pairs(int family, int sotype, int *c0, int *c1,
+				      int *p0, int *p1)
+{
+	int err;
+
+	err = create_pair(family, sotype, c0, p0);
+	if (err)
+		return err;
+
+	err = create_pair(family, sotype, c1, p1);
+	if (err) {
+		close(*c0);
+		close(*p0);
+	}
+
+	return err;
+}
+
+#endif // __SOCKET_HELPERS__

tools/testing/selftests/bpf/prog_tests/sockmap_basic.c

···
 #include "test_sockmap_progs_query.skel.h"
 #include "test_sockmap_pass_prog.skel.h"
 #include "test_sockmap_drop_prog.skel.h"
+#include "test_sockmap_change_tail.skel.h"
 #include "bpf_iter_sockmap.skel.h"
 
 #include "sockmap_helpers.h"
···
 		test_sockmap_drop_prog__destroy(drop);
 }
 
+static void test_sockmap_skb_verdict_change_tail(void)
+{
+	struct test_sockmap_change_tail *skel;
+	int err, map, verdict;
+	int c1, p1, sent, recvd;
+	int zero = 0;
+	char buf[2];
+
+	skel = test_sockmap_change_tail__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+	verdict = bpf_program__fd(skel->progs.prog_skb_verdict);
+	map = bpf_map__fd(skel->maps.sock_map_rx);
+
+	err = bpf_prog_attach(verdict, map, BPF_SK_SKB_STREAM_VERDICT, 0);
+	if (!ASSERT_OK(err, "bpf_prog_attach"))
+		goto out;
+	err = create_pair(AF_INET, SOCK_STREAM, &c1, &p1);
+	if (!ASSERT_OK(err, "create_pair()"))
+		goto out;
+	err = bpf_map_update_elem(map, &zero, &c1, BPF_NOEXIST);
+	if (!ASSERT_OK(err, "bpf_map_update_elem(c1)"))
+		goto out_close;
+	sent = xsend(p1, "Tr", 2, 0);
+	ASSERT_EQ(sent, 2, "xsend(p1)");
+	recvd = recv(c1, buf, 2, 0);
+	ASSERT_EQ(recvd, 1, "recv(c1)");
+	ASSERT_EQ(skel->data->change_tail_ret, 0, "change_tail_ret");
+
+	sent = xsend(p1, "G", 1, 0);
+	ASSERT_EQ(sent, 1, "xsend(p1)");
+	recvd = recv(c1, buf, 2, 0);
+	ASSERT_EQ(recvd, 2, "recv(c1)");
+	ASSERT_EQ(skel->data->change_tail_ret, 0, "change_tail_ret");
+
+	sent = xsend(p1, "E", 1, 0);
+	ASSERT_EQ(sent, 1, "xsend(p1)");
+	recvd = recv(c1, buf, 1, 0);
+	ASSERT_EQ(recvd, 1, "recv(c1)");
+	ASSERT_EQ(skel->data->change_tail_ret, -EINVAL, "change_tail_ret");
+
+out_close:
+	close(c1);
+	close(p1);
+out:
+	test_sockmap_change_tail__destroy(skel);
+}
+
 static void test_sockmap_skb_verdict_peek_helper(int map)
 {
 	int err, c1, p1, zero = 0, sent, recvd, avail;
···
 		test_sockmap_skb_verdict_fionread(true);
 	if (test__start_subtest("sockmap skb_verdict fionread on drop"))
 		test_sockmap_skb_verdict_fionread(false);
+	if (test__start_subtest("sockmap skb_verdict change tail"))
+		test_sockmap_skb_verdict_change_tail();
 	if (test__start_subtest("sockmap skb_verdict msg_f_peek"))
 		test_sockmap_skb_verdict_peek();
 	if (test__start_subtest("sockmap skb_verdict msg_f_peek with link"))

tools/testing/selftests/bpf/prog_tests/sockmap_helpers.h

···
 #ifndef __SOCKMAP_HELPERS__
 #define __SOCKMAP_HELPERS__
 
-#include <linux/vm_sockets.h>
+#include "socket_helpers.h"
 
-/* include/linux/net.h */
-#define SOCK_TYPE_MASK 0xf
-
-#define IO_TIMEOUT_SEC 30
-#define MAX_STRERR_LEN 256
 #define MAX_TEST_NAME 80
 
-/* workaround for older vm_sockets.h */
-#ifndef VMADDR_CID_LOCAL
-#define VMADDR_CID_LOCAL 1
-#endif
-
 #define __always_unused	__attribute__((__unused__))
-
-/* include/linux/cleanup.h */
-#define __get_and_null(p, nullvalue)                                           \
-	({                                                                     \
-		__auto_type __ptr = &(p);                                      \
-		__auto_type __val = *__ptr;                                    \
-		*__ptr = nullvalue;                                            \
-		__val;                                                         \
-	})
-
-#define take_fd(fd) __get_and_null(fd, -EBADF)
-
-#define _FAIL(errnum, fmt...)                                                  \
-	({                                                                     \
-		error_at_line(0, (errnum), __func__, __LINE__, fmt);           \
-		CHECK_FAIL(true);                                              \
-	})
-#define FAIL(fmt...) _FAIL(0, fmt)
-#define FAIL_ERRNO(fmt...) _FAIL(errno, fmt)
-#define FAIL_LIBBPF(err, msg)                                                  \
-	({                                                                     \
-		char __buf[MAX_STRERR_LEN];                                    \
-		libbpf_strerror((err), __buf, sizeof(__buf));                  \
-		FAIL("%s: %s", (msg), __buf);                                  \
-	})
-
-/* Wrappers that fail the test on error and report it. */
-
-#define xaccept_nonblock(fd, addr, len)                                        \
-	({                                                                     \
-		int __ret =                                                    \
-			accept_timeout((fd), (addr), (len), IO_TIMEOUT_SEC);   \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("accept");                                  \
-		__ret;                                                         \
-	})
-
-#define xbind(fd, addr, len)                                                   \
-	({                                                                     \
-		int __ret = bind((fd), (addr), (len));                         \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("bind");                                    \
-		__ret;                                                         \
-	})
-
-#define xclose(fd)                                                             \
-	({                                                                     \
-		int __ret = close((fd));                                       \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("close");                                   \
-		__ret;                                                         \
-	})
-
-#define xconnect(fd, addr, len)                                                \
-	({                                                                     \
-		int __ret = connect((fd), (addr), (len));                      \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("connect");                                 \
-		__ret;                                                         \
-	})
-
-#define xgetsockname(fd, addr, len)                                            \
-	({                                                                     \
-		int __ret = getsockname((fd), (addr), (len));                  \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("getsockname");                             \
-		__ret;                                                         \
-	})
-
-#define xgetsockopt(fd, level, name, val, len)                                 \
-	({                                                                     \
-		int __ret = getsockopt((fd), (level), (name), (val), (len));   \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("getsockopt(" #name ")");                   \
-		__ret;                                                         \
-	})
-
-#define xlisten(fd, backlog)                                                   \
-	({                                                                     \
-		int __ret = listen((fd), (backlog));                           \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("listen");                                  \
-		__ret;                                                         \
-	})
-
-#define xsetsockopt(fd, level, name, val, len)                                 \
-	({                                                                     \
-		int __ret = setsockopt((fd), (level), (name), (val), (len));   \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("setsockopt(" #name ")");                   \
-		__ret;                                                         \
-	})
-
-#define xsend(fd, buf, len, flags)                                             \
-	({                                                                     \
-		ssize_t __ret = send((fd), (buf), (len), (flags));             \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("send");                                    \
-		__ret;                                                         \
-	})
-
-#define xrecv_nonblock(fd, buf, len, flags)                                    \
-	({                                                                     \
-		ssize_t __ret = recv_timeout((fd), (buf), (len), (flags),      \
-					     IO_TIMEOUT_SEC);                  \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("recv");                                    \
-		__ret;                                                         \
-	})
-
-#define xsocket(family, sotype, flags)                                         \
-	({                                                                     \
-		int __ret = socket(family, sotype, flags);                     \
-		if (__ret == -1)                                               \
-			FAIL_ERRNO("socket");                                  \
-		__ret;                                                         \
-	})
 
 #define xbpf_map_delete_elem(fd, key)                                          \
 	({                                                                     \
···
 		__ret;                                                         \
 	})
 
-static inline void close_fd(int *fd)
-{
-	if (*fd >= 0)
-		xclose(*fd);
-}
-
-#define __close_fd __attribute__((cleanup(close_fd)))
-
-static inline int poll_connect(int fd, unsigned int timeout_sec)
-{
-	struct timeval timeout = { .tv_sec = timeout_sec };
-	fd_set wfds;
-	int r, eval;
-	socklen_t esize = sizeof(eval);
-
-	FD_ZERO(&wfds);
-	FD_SET(fd, &wfds);
-
-	r = select(fd + 1, NULL, &wfds, NULL, &timeout);
-	if (r == 0)
-		errno = ETIME;
-	if (r != 1)
-		return -1;
-
-	if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &eval, &esize) < 0)
-		return -1;
-	if (eval != 0) {
-		errno = eval;
-		return -1;
-	}
-
-	return 0;
-}
-
-static inline int poll_read(int fd, unsigned int timeout_sec)
-{
-	struct timeval timeout = { .tv_sec = timeout_sec };
-	fd_set rfds;
-	int r;
-
-	FD_ZERO(&rfds);
-	FD_SET(fd, &rfds);
-
-	r = select(fd + 1, &rfds, NULL, NULL, &timeout);
-	if (r == 0)
-		errno = ETIME;
-
-	return r == 1 ? 0 : -1;
-}
-
-static inline int accept_timeout(int fd, struct sockaddr *addr, socklen_t *len,
-				 unsigned int timeout_sec)
-{
-	if (poll_read(fd, timeout_sec))
-		return -1;
-
-	return accept(fd, addr, len);
-}
-
-static inline int recv_timeout(int fd, void *buf, size_t len, int flags,
-			       unsigned int timeout_sec)
-{
-	if (poll_read(fd, timeout_sec))
-		return -1;
-
-	return recv(fd, buf, len, flags);
-}
-
-static inline void init_addr_loopback4(struct sockaddr_storage *ss,
-				       socklen_t *len)
-{
-	struct sockaddr_in *addr4 = memset(ss, 0, sizeof(*ss));
-
-	addr4->sin_family = AF_INET;
-	addr4->sin_port = 0;
-	addr4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-	*len = sizeof(*addr4);
-}
-
-static inline void init_addr_loopback6(struct sockaddr_storage *ss,
-				       socklen_t *len)
-{
-	struct sockaddr_in6 *addr6 = memset(ss, 0, sizeof(*ss));
-
-	addr6->sin6_family = AF_INET6;
-	addr6->sin6_port = 0;
-	addr6->sin6_addr = in6addr_loopback;
-	*len = sizeof(*addr6);
-}
-
-static inline void init_addr_loopback_vsock(struct sockaddr_storage *ss,
-					    socklen_t *len)
-{
-	struct sockaddr_vm *addr = memset(ss, 0, sizeof(*ss));
-
-	addr->svm_family = AF_VSOCK;
-	addr->svm_port = VMADDR_PORT_ANY;
-	addr->svm_cid = VMADDR_CID_LOCAL;
-	*len = sizeof(*addr);
-}
-
-static inline void init_addr_loopback(int family, struct sockaddr_storage *ss,
-				      socklen_t *len)
-{
-	switch (family) {
-	case AF_INET:
-		init_addr_loopback4(ss, len);
-		return;
-	case AF_INET6:
-		init_addr_loopback6(ss, len);
-		return;
-	case AF_VSOCK:
-		init_addr_loopback_vsock(ss, len);
-		return;
-	default:
-		FAIL("unsupported address family %d", family);
-	}
-}
-
-static inline struct sockaddr *sockaddr(struct sockaddr_storage *ss)
-{
-	return (struct sockaddr *)ss;
-}
-
 static inline int add_to_sockmap(int sock_mapfd, int fd1, int fd2)
 {
 	u64 value;
···
 	key = 1;
 	value = fd2;
 	return xbpf_map_update_elem(sock_mapfd, &key, &value, BPF_NOEXIST);
-}
-
-static inline int enable_reuseport(int s, int progfd)
-{
-	int err, one = 1;
-
-	err = xsetsockopt(s, SOL_SOCKET, SO_REUSEPORT, &one, sizeof(one));
-	if (err)
-		return -1;
-	err = xsetsockopt(s, SOL_SOCKET, SO_ATTACH_REUSEPORT_EBPF, &progfd,
-			  sizeof(progfd));
-	if (err)
-		return -1;
-
-	return 0;
-}
-
-static inline int socket_loopback_reuseport(int family, int sotype, int progfd)
-{
-	struct sockaddr_storage addr;
-	socklen_t len = 0;
-	int err, s;
-
-	init_addr_loopback(family, &addr, &len);
-
-	s = xsocket(family, sotype, 0);
-	if (s == -1)
-		return -1;
-
-	if (progfd >= 0)
-		enable_reuseport(s, progfd);
-
-	err = xbind(s, sockaddr(&addr), len);
-	if (err)
-		goto close;
-
-	if (sotype & SOCK_DGRAM)
-		return s;
-
-	err = xlisten(s, SOMAXCONN);
-	if (err)
-		goto close;
-
-	return s;
-close:
-	xclose(s);
-	return -1;
-}
-
-static inline int socket_loopback(int family, int sotype)
-{
-	return socket_loopback_reuseport(family, sotype, -1);
-}
-
-static inline int create_pair(int family, int sotype, int *p0, int *p1)
-{
-	__close_fd int s, c = -1, p = -1;
-	struct sockaddr_storage addr;
-	socklen_t len = sizeof(addr);
-	int err;
-
-	s = socket_loopback(family, sotype);
-	if (s < 0)
-		return s;
-
-	err = xgetsockname(s, sockaddr(&addr), &len);
-	if (err)
-		return err;
-
-	c = xsocket(family, sotype, 0);
-	if (c < 0)
-		return c;
-
-	err = connect(c, sockaddr(&addr), len);
-	if (err) {
-		if (errno != EINPROGRESS) {
-			FAIL_ERRNO("connect");
-			return err;
-		}
-
-		err = poll_connect(c, IO_TIMEOUT_SEC);
-		if (err) {
-			FAIL_ERRNO("poll_connect");
-			return err;
-		}
-	}
-
-	switch (sotype & SOCK_TYPE_MASK) {
-	case SOCK_DGRAM:
-		err = xgetsockname(c, sockaddr(&addr), &len);
-		if (err)
-			return err;
-
-		err = xconnect(s, sockaddr(&addr), len);
-		if (err)
-			return err;
-
-		*p0 = take_fd(s);
-		break;
-	case SOCK_STREAM:
-	case SOCK_SEQPACKET:
-		p = xaccept_nonblock(s, NULL, NULL);
-		if (p < 0)
-			return p;
-
-		*p0 = take_fd(p);
-		break;
-	default:
-		FAIL("Unsupported socket type %#x", sotype);
-		return -EOPNOTSUPP;
-	}
-
-	*p1 = take_fd(c);
-	return 0;
-}
-
-static inline int create_socket_pairs(int family, int sotype, int *c0, int *c1,
-				      int *p0, int *p1)
-{
-	int err;
-
-	err = create_pair(family, sotype, c0, p0);
-	if (err)
-		return err;
-
-	err = create_pair(family, sotype, c1, p1);
-	if (err) {
-		close(*c0);
-		close(*p0);
-	}
-
-	return err;
 }
 
 #endif // __SOCKMAP_HELPERS__

tools/testing/selftests/bpf/prog_tests/tc_change_tail.c

···
+// SPDX-License-Identifier: GPL-2.0
+#include <error.h>
+#include <test_progs.h>
+#include <linux/pkt_cls.h>
+
+#include "test_tc_change_tail.skel.h"
+#include "socket_helpers.h"
+
+#define LO_IFINDEX 1
+
+void test_tc_change_tail(void)
+{
+	LIBBPF_OPTS(bpf_tcx_opts, tcx_opts);
+	struct test_tc_change_tail *skel = NULL;
+	struct bpf_link *link;
+	int c1, p1;
+	char buf[2];
+	int ret;
+
+	skel = test_tc_change_tail__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "test_tc_change_tail__open_and_load"))
+		return;
+
+	link = bpf_program__attach_tcx(skel->progs.change_tail, LO_IFINDEX,
+				     &tcx_opts);
+	if (!ASSERT_OK_PTR(link, "bpf_program__attach_tcx"))
+		goto destroy;
+
+	skel->links.change_tail = link;
+	ret = create_pair(AF_INET, SOCK_DGRAM, &c1, &p1);
+	if (!ASSERT_OK(ret, "create_pair"))
+		goto destroy;
+
+	ret = xsend(p1, "Tr", 2, 0);
+	ASSERT_EQ(ret, 2, "xsend(p1)");
+	ret = recv(c1, buf, 2, 0);
+	ASSERT_EQ(ret, 2, "recv(c1)");
+	ASSERT_EQ(skel->data->change_tail_ret, 0, "change_tail_ret");
+
+	ret = xsend(p1, "G", 1, 0);
+	ASSERT_EQ(ret, 1, "xsend(p1)");
+	ret = recv(c1, buf, 2, 0);
+	ASSERT_EQ(ret, 1, "recv(c1)");
+	ASSERT_EQ(skel->data->change_tail_ret, 0, "change_tail_ret");
+
+	ret = xsend(p1, "E", 1, 0);
+	ASSERT_EQ(ret, 1, "xsend(p1)");
+	ret = recv(c1, buf, 1, 0);
+	ASSERT_EQ(ret, 1, "recv(c1)");
+	ASSERT_EQ(skel->data->change_tail_ret, -EINVAL, "change_tail_ret");
+
+	ret = xsend(p1, "Z", 1, 0);
+	ASSERT_EQ(ret, 1, "xsend(p1)");
+	ret = recv(c1, buf, 1, 0);
+	ASSERT_EQ(ret, 1, "recv(c1)");
+	ASSERT_EQ(skel->data->change_tail_ret, -EINVAL, "change_tail_ret");
+
+	close(c1);
+	close(p1);
+destroy:
+	test_tc_change_tail__destroy(skel);
+}

tools/testing/selftests/bpf/progs/test_sockmap_change_tail.c

···
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2024 ByteDance */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_SOCKMAP);
+	__uint(max_entries, 1);
+	__type(key, int);
+	__type(value, int);
+} sock_map_rx SEC(".maps");
+
+long change_tail_ret = 1;
+
+SEC("sk_skb")
+int prog_skb_verdict(struct __sk_buff *skb)
+{
+	char *data, *data_end;
+
+	bpf_skb_pull_data(skb, 1);
+	data = (char *)(unsigned long)skb->data;
+	data_end = (char *)(unsigned long)skb->data_end;
+
+	if (data + 1 > data_end)
+		return SK_PASS;
+
+	if (data[0] == 'T') { /* Trim the packet */
+		change_tail_ret = bpf_skb_change_tail(skb, skb->len - 1, 0);
+		return SK_PASS;
+	} else if (data[0] == 'G') { /* Grow the packet */
+		change_tail_ret = bpf_skb_change_tail(skb, skb->len + 1, 0);
+		return SK_PASS;
+	} else if (data[0] == 'E') { /* Error */
+		change_tail_ret = bpf_skb_change_tail(skb, 65535, 0);
+		return SK_PASS;
+	}
+	return SK_PASS;
+}
+
+char _license[] SEC("license") = "GPL";

tools/testing/selftests/bpf/progs/test_tc_change_tail.c

···
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/udp.h>
+#include <linux/pkt_cls.h>
+
+long change_tail_ret = 1;
+
+static __always_inline struct iphdr *parse_ip_header(struct __sk_buff *skb, int *ip_proto)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *data = (void *)(long)skb->data;
+	struct ethhdr *eth = data;
+	struct iphdr *iph;
+
+	/* Verify Ethernet header */
+	if ((void *)(data + sizeof(*eth)) > data_end)
+		return NULL;
+
+	/* Skip Ethernet header to get to IP header */
+	iph = (void *)(data + sizeof(struct ethhdr));
+
+	/* Verify IP header */
+	if ((void *)(data + sizeof(struct ethhdr) + sizeof(*iph)) > data_end)
+		return NULL;
+
+	/* Basic IP header validation */
+	if (iph->version != 4)  /* Only support IPv4 */
+		return NULL;
+
+	if (iph->ihl < 5)  /* Minimum IP header length */
+		return NULL;
+
+	*ip_proto = iph->protocol;
+	return iph;
+}
+
+static __always_inline struct udphdr *parse_udp_header(struct __sk_buff *skb, struct iphdr *iph)
+{
+	void *data_end = (void *)(long)skb->data_end;
+	void *hdr = (void *)iph;
+	struct udphdr *udp;
+
+	/* Calculate UDP header position */
+	udp = hdr + (iph->ihl * 4);
+	hdr = (void *)udp;
+
+	/* Verify UDP header bounds */
+	if ((void *)(hdr + sizeof(*udp)) > data_end)
+		return NULL;
+
+	return udp;
+}
+
+SEC("tc/ingress")
+int change_tail(struct __sk_buff *skb)
+{
+	int len = skb->len;
+	struct udphdr *udp;
+	struct iphdr *iph;
+	void *data_end;
+	char *payload;
+	int ip_proto;
+
+	bpf_skb_pull_data(skb, len);
+
+	data_end = (void *)(long)skb->data_end;
+	iph = parse_ip_header(skb, &ip_proto);
+	if (!iph)
+		return TCX_PASS;
+
+	if (ip_proto != IPPROTO_UDP)
+		return TCX_PASS;
+
+	udp = parse_udp_header(skb, iph);
+	if (!udp)
+		return TCX_PASS;
+
+	payload = (char *)udp + (sizeof(struct udphdr));
+	if (payload + 1 > (char *)data_end)
+		return TCX_PASS;
+
+	if (payload[0] == 'T') { /* Trim the packet */
+		change_tail_ret = bpf_skb_change_tail(skb, len - 1, 0);
+		if (!change_tail_ret)
+			bpf_skb_change_tail(skb, len, 0);
+		return TCX_PASS;
+	} else if (payload[0] == 'G') { /* Grow the packet */
+		change_tail_ret = bpf_skb_change_tail(skb, len + 1, 0);
+		if (!change_tail_ret)
+			bpf_skb_change_tail(skb, len, 0);
+		return TCX_PASS;
+	} else if (payload[0] == 'E') { /* Error */
+		change_tail_ret = bpf_skb_change_tail(skb, 65535, 0);
+		return TCX_PASS;
+	} else if (payload[0] == 'Z') { /* Zero */
+		change_tail_ret = bpf_skb_change_tail(skb, 0, 0);
+		return TCX_PASS;
+	}
+	return TCX_DROP;
+}
+
+char _license[] SEC("license") = "GPL";

tools/testing/selftests/bpf/sdt.h

···
 # define STAP_SDT_ARG_CONSTRAINT        nZr
 # elif defined __arm__
 # define STAP_SDT_ARG_CONSTRAINT        g
+# elif defined __loongarch__
+# define STAP_SDT_ARG_CONSTRAINT        nmr
 # else
 # define STAP_SDT_ARG_CONSTRAINT        nor
 # endif

tools/testing/selftests/bpf/trace_helpers.c

···
 	return 0;
 }
 #else
+# ifndef PROCMAP_QUERY_VMA_EXECUTABLE
+#  define PROCMAP_QUERY_VMA_EXECUTABLE 0x04
+# endif
+
 static int procmap_query(int fd, const void *addr, __u32 query_flags, size_t *start, size_t *offset, int *flags)
 {
 	return -EOPNOTSUPP;

tools/testing/selftests/cgroup/test_cpuset_prs.sh

···
 
 #
 # If isolated CPUs have been reserved at boot time (as shown in
-# cpuset.cpus.isolated), these isolated CPUs should be outside of CPUs 0-7
+# cpuset.cpus.isolated), these isolated CPUs should be outside of CPUs 0-8
 # that will be used by this script for testing purpose. If not, some of
-# the tests may fail incorrectly. These isolated CPUs will also be removed
-# before being compared with the expected results.
+# the tests may fail incorrectly. These pre-isolated CPUs should stay in
+# an isolated state throughout the testing process for now.
 #
 BOOT_ISOLCPUS=$(cat $CGROUP2/cpuset.cpus.isolated)
 if [[ -n "$BOOT_ISOLCPUS" ]]
 then
-	[[ $(echo $BOOT_ISOLCPUS | sed -e "s/[,-].*//") -le 7 ]] &&
+	[[ $(echo $BOOT_ISOLCPUS | sed -e "s/[,-].*//") -le 8 ]] &&
 		skip_test "Pre-isolated CPUs ($BOOT_ISOLCPUS) overlap CPUs to be tested"
 	echo "Pre-isolated CPUs: $BOOT_ISOLCPUS"
 fi
···
 	fi
 
 	#
+	# Appending pre-isolated CPUs
+	# Even though CPU #8 isn't used for testing, it can't be pre-isolated
+	# to make appending those CPUs easier.
+	#
+	[[ -n "$BOOT_ISOLCPUS" ]] && {
+		EXPECT_VAL=${EXPECT_VAL:+${EXPECT_VAL},}${BOOT_ISOLCPUS}
+		EXPECT_VAL2=${EXPECT_VAL2:+${EXPECT_VAL2},}${BOOT_ISOLCPUS}
+	}
+
+	#
 	# Check cpuset.cpus.isolated cpumask
 	#
-	if [[ -z "$BOOT_ISOLCPUS" ]]
-	then
-		ISOLCPUS=$(cat $ISCPUS)
-	else
-		ISOLCPUS=$(cat $ISCPUS | sed -e "s/,*$BOOT_ISOLCPUS//")
-	fi
 	[[ "$EXPECT_VAL2" != "$ISOLCPUS" ]] && {
 		# Take a 50ms pause and try again
 		pause 0.05
···
 		fi
 	done
 	[[ "$ISOLCPUS" = *- ]] && ISOLCPUS=${ISOLCPUS}$LASTISOLCPU
-	[[ -n "BOOT_ISOLCPUS" ]] &&
-		ISOLCPUS=$(echo $ISOLCPUS | sed -e "s/,*$BOOT_ISOLCPUS//")
 
 	[[ "$EXPECT_VAL" = "$ISOLCPUS" ]]
 }
···
 		# if available
 		[[ -n "$ICPUS" ]] && {
 			check_isolcpus $ICPUS
-			[[ $? -ne 0 ]] && test_fail $I "isolated CPU" \
-				"Expect $ICPUS, get $ISOLCPUS instead"
+			[[ $? -ne 0 ]] && {
+				[[ -n "$BOOT_ISOLCPUS" ]] && ICPUS=${ICPUS},${BOOT_ISOLCPUS}
+				test_fail $I "isolated CPU" \
+					"Expect $ICPUS, get $ISOLCPUS instead"
+			}
 		}
 		reset_cgroup_states
 		#

tools/testing/selftests/drivers/net/queues.py

···
 #!/usr/bin/env python3
 # SPDX-License-Identifier: GPL-2.0
 
-from lib.py import ksft_run, ksft_exit, ksft_eq, KsftSkipEx
-from lib.py import EthtoolFamily, NetdevFamily
+from lib.py import ksft_disruptive, ksft_exit, ksft_run
+from lib.py import ksft_eq, ksft_raises, KsftSkipEx
+from lib.py import EthtoolFamily, NetdevFamily, NlError
 from lib.py import NetDrvEnv
-from lib.py import cmd
+from lib.py import cmd, defer, ip
+import errno
 import glob
 
 
-def sys_get_queues(ifname) -> int:
-    folders = glob.glob(f'/sys/class/net/{ifname}/queues/rx-*')
+def sys_get_queues(ifname, qtype='rx') -> int:
+    folders = glob.glob(f'/sys/class/net/{ifname}/queues/{qtype}-*')
     return len(folders)
 
 
-def nl_get_queues(cfg, nl):
+def nl_get_queues(cfg, nl, qtype='rx'):
     queues = nl.queue_get({'ifindex': cfg.ifindex}, dump=True)
     if queues:
-        return len([q for q in queues if q['type'] == 'rx'])
+        return len([q for q in queues if q['type'] == qtype])
     return None
 
 
 def get_queues(cfg, nl) -> None:
-    queues = nl_get_queues(cfg, nl)
-    if not queues:
-        raise KsftSkipEx('queue-get not supported by device')
+    snl = NetdevFamily(recv_size=4096)
 
-    expected = sys_get_queues(cfg.dev['ifname'])
-    ksft_eq(queues, expected)
+    for qtype in ['rx', 'tx']:
+        queues = nl_get_queues(cfg, snl, qtype)
+        if not queues:
+            raise KsftSkipEx('queue-get not supported by device')
+
+        expected = sys_get_queues(cfg.dev['ifname'], qtype)
+        ksft_eq(queues, expected)
 
 
 def addremove_queues(cfg, nl) -> None:
···
     ksft_eq(queues, expected)
 
 
+@ksft_disruptive
+def check_down(cfg, nl) -> None:
+    # Check the NAPI IDs before interface goes down and hides them
+    napis = nl.napi_get({'ifindex': cfg.ifindex}, dump=True)
+
+    ip(f"link set dev {cfg.dev['ifname']} down")
+    defer(ip, f"link set dev {cfg.dev['ifname']} up")
+
+    with ksft_raises(NlError) as cm:
+        nl.queue_get({'ifindex': cfg.ifindex, 'id': 0, 'type': 'rx'})
+    ksft_eq(cm.exception.nl_msg.error, -errno.ENOENT)
+
+    if napis:
+        with ksft_raises(NlError) as cm:
+            nl.napi_get({'id': napis[0]['id']})
+        ksft_eq(cm.exception.nl_msg.error, -errno.ENOENT)
+
+
 def main() -> None:
-    with NetDrvEnv(__file__, queue_count=3) as cfg:
-        ksft_run([get_queues, addremove_queues], args=(cfg, NetdevFamily()))
+    with NetDrvEnv(__file__, queue_count=100) as cfg:
+        ksft_run([get_queues, addremove_queues, check_down], args=(cfg, NetdevFamily()))
     ksft_exit()
 
 

tools/testing/selftests/drivers/net/stats.py

···
             ksft_ge(triple[1][key], triple[0][key], comment="bad key: " + key)
             ksft_ge(triple[2][key], triple[1][key], comment="bad key: " + key)
 
+    # Sanity check the dumps
+    queues = NetdevFamily(recv_size=4096).qstats_get({"scope": "queue"}, dump=True)
+    # Reformat the output into {ifindex: {rx: [id, id, ...], tx: [id, id, ...]}}
+    parsed = {}
+    for entry in queues:
+        ifindex = entry["ifindex"]
+        if ifindex not in parsed:
+            parsed[ifindex] = {"rx":[], "tx": []}
+        parsed[ifindex][entry["queue-type"]].append(entry['queue-id'])
+    # Now, validate
+    for ifindex, queues in parsed.items():
+        for qtype in ['rx', 'tx']:
+            ksft_eq(len(queues[qtype]), len(set(queues[qtype])),
+                    comment="repeated queue keys")
+            ksft_eq(len(queues[qtype]), max(queues[qtype]) + 1,
+                    comment="missing queue keys")
+
     # Test invalid dumps
     # 0 is invalid
     with ksft_raises(NlError) as cm:
···
 
 
 def main() -> None:
-    with NetDrvEnv(__file__) as cfg:
+    with NetDrvEnv(__file__, queue_count=100) as cfg:
         ksft_run([check_pause, check_fec, pkt_byte_sum, qstat_by_ifindex,
                   check_down],
                  args=(cfg, ))

tools/testing/selftests/kvm/arm64/set_id_regs.c

···
 	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, BIGENDEL0, 0),
 	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, SNSMEM, 0),
 	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, BIGEND, 0),
-	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, ASIDBITS, 0),
 	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR0_EL1, PARANGE, 0),
 	REG_FTR_END,
 };

tools/testing/selftests/kvm/s390/ucontrol_test.c

···
 	struct kvm_device_attr attr = {
 		.group = KVM_S390_VM_MEM_CTRL,
 		.attr = KVM_S390_VM_MEM_LIMIT_SIZE,
-		.addr = (unsigned long)&limit,
+		.addr = (u64)&limit,
 	};
 	int rc;
+
+	rc = ioctl(self->vm_fd, KVM_HAS_DEVICE_ATTR, &attr);
+	EXPECT_EQ(0, rc);
 
 	rc = ioctl(self->vm_fd, KVM_GET_DEVICE_ATTR, &attr);
 	EXPECT_EQ(0, rc);
···
 	ASSERT_EQ(skeyvalue & 0xfa, sync_regs->gprs[1]);
 	ASSERT_EQ(0, sync_regs->gprs[1] & 0x04);
 	uc_assert_diag44(self);
+}
+
+static char uc_flic_b[PAGE_SIZE];
+static struct kvm_s390_io_adapter uc_flic_ioa = { .id = 0 };
+static struct kvm_s390_io_adapter_req uc_flic_ioam = { .id = 0 };
+static struct kvm_s390_ais_req uc_flic_asim = { .isc = 0 };
+static struct kvm_s390_ais_all uc_flic_asima = { .simm = 0 };
+static struct uc_flic_attr_test {
+	char *name;
+	struct kvm_device_attr a;
+	int hasrc;
+	int geterrno;
+	int seterrno;
+} uc_flic_attr_tests[] = {
+	{
+		.name = "KVM_DEV_FLIC_GET_ALL_IRQS",
+		.seterrno = EINVAL,
+		.a = {
+			.group = KVM_DEV_FLIC_GET_ALL_IRQS,
+			.addr = (u64)&uc_flic_b,
+			.attr = PAGE_SIZE,
+		},
+	},
+	{
+		.name = "KVM_DEV_FLIC_ENQUEUE",
+		.geterrno = EINVAL,
+		.a = { .group = KVM_DEV_FLIC_ENQUEUE, },
+	},
+	{
+		.name = "KVM_DEV_FLIC_CLEAR_IRQS",
+		.geterrno = EINVAL,
+		.a = { .group = KVM_DEV_FLIC_CLEAR_IRQS, },
+	},
+	{
+		.name = "KVM_DEV_FLIC_ADAPTER_REGISTER",
+		.geterrno = EINVAL,
+		.a = {
+			.group = KVM_DEV_FLIC_ADAPTER_REGISTER,
+			.addr = (u64)&uc_flic_ioa,
+		},
+	},
+	{
+		.name = "KVM_DEV_FLIC_ADAPTER_MODIFY",
+		.geterrno = EINVAL,
+		.seterrno = EINVAL,
+		.a = {
+			.group = KVM_DEV_FLIC_ADAPTER_MODIFY,
+			.addr = (u64)&uc_flic_ioam,
+			.attr = sizeof(uc_flic_ioam),
+		},
+	},
+	{
+		.name = "KVM_DEV_FLIC_CLEAR_IO_IRQ",
+		.geterrno = EINVAL,
+		.seterrno = EINVAL,
+		.a = {
+			.group = KVM_DEV_FLIC_CLEAR_IO_IRQ,
+			.attr = 32,
+		},
+	},
+	{
+		.name = "KVM_DEV_FLIC_AISM",
+		.geterrno = EINVAL,
+		.seterrno = ENOTSUP,
+		.a = {
+			.group = KVM_DEV_FLIC_AISM,
+			.addr = (u64)&uc_flic_asim,
+		},
+	},
+	{
+		.name = "KVM_DEV_FLIC_AIRQ_INJECT",
+		.geterrno = EINVAL,
+		.a = { .group = KVM_DEV_FLIC_AIRQ_INJECT, },
+	},
+	{
+		.name = "KVM_DEV_FLIC_AISM_ALL",
+		.geterrno = ENOTSUP,
+		.seterrno = ENOTSUP,
+		.a = {
+			.group = KVM_DEV_FLIC_AISM_ALL,
+			.addr = (u64)&uc_flic_asima,
+			.attr = sizeof(uc_flic_asima),
+		},
+	},
+	{
+		.name = "KVM_DEV_FLIC_APF_ENABLE",
+		.geterrno = EINVAL,
+		.seterrno = EINVAL,
+		.a = { .group = KVM_DEV_FLIC_APF_ENABLE, },
+	},
+	{
+		.name = "KVM_DEV_FLIC_APF_DISABLE_WAIT",
+		.geterrno = EINVAL,
+		.seterrno = EINVAL,
+		.a = { .group = KVM_DEV_FLIC_APF_DISABLE_WAIT, },
+	},
+};
+
+TEST_F(uc_kvm, uc_flic_attrs)
+{
+	struct kvm_create_device cd = { .type = KVM_DEV_TYPE_FLIC };
+	struct kvm_device_attr attr;
+	u64 value;
+	int rc, i;
+
+	rc = ioctl(self->vm_fd, KVM_CREATE_DEVICE, &cd);
+	ASSERT_EQ(0, rc) TH_LOG("create device failed with err %s (%i)",
+				strerror(errno), errno);
+
+	for (i = 0; i < ARRAY_SIZE(uc_flic_attr_tests); i++) {
+		TH_LOG("test %s", uc_flic_attr_tests[i].name);
+		attr = (struct kvm_device_attr) {
+			.group = uc_flic_attr_tests[i].a.group,
+			.attr = uc_flic_attr_tests[i].a.attr,
+			.addr = uc_flic_attr_tests[i].a.addr,
+		};
+		if (attr.addr == 0)
+			attr.addr = (u64)&value;
+
+		rc = ioctl(cd.fd, KVM_HAS_DEVICE_ATTR, &attr);
+		EXPECT_EQ(uc_flic_attr_tests[i].hasrc, !!rc)
+			TH_LOG("expected dev attr missing %s",
+			       uc_flic_attr_tests[i].name);
+
+		rc = ioctl(cd.fd, KVM_GET_DEVICE_ATTR, &attr);
+		EXPECT_EQ(!!uc_flic_attr_tests[i].geterrno, !!rc)
+			TH_LOG("get dev attr rc not expected on %s %s (%i)",
+			       uc_flic_attr_tests[i].name,
+			       strerror(errno), errno);
+		if (uc_flic_attr_tests[i].geterrno)
+			EXPECT_EQ(uc_flic_attr_tests[i].geterrno, errno)
+				TH_LOG("get dev attr errno not expected on %s %s (%i)",
+				       uc_flic_attr_tests[i].name,
+				       strerror(errno), errno);
+
+		rc = ioctl(cd.fd, KVM_SET_DEVICE_ATTR, &attr);
+		EXPECT_EQ(!!uc_flic_attr_tests[i].seterrno, !!rc)
+			TH_LOG("set sev attr rc not expected on %s %s (%i)",
+			       uc_flic_attr_tests[i].name,
+			       strerror(errno), errno);
+		if (uc_flic_attr_tests[i].seterrno)
+			EXPECT_EQ(uc_flic_attr_tests[i].seterrno, errno)
+				TH_LOG("set dev attr errno not expected on %s %s (%i)",
+				       uc_flic_attr_tests[i].name,
+				       strerror(errno), errno);
+	}
+
+	close(cd.fd);
+}
+
+TEST_F(uc_kvm, uc_set_gsi_routing)
+{
+	struct kvm_irq_routing *routing = kvm_gsi_routing_create();
+	struct kvm_irq_routing_entry ue = {
+		.type = KVM_IRQ_ROUTING_S390_ADAPTER,
+		.gsi = 1,
+		.u.adapter = (struct kvm_irq_routing_s390_adapter) {
+			.ind_addr = 0,
+		},
+	};
+	int rc;
+
+	routing->entries[0] = ue;
+	routing->nr = 1;
+	rc = ioctl(self->vm_fd, KVM_SET_GSI_ROUTING, routing);
+	ASSERT_EQ(-1, rc) TH_LOG("err %s (%i)", strerror(errno), errno);
+	ASSERT_EQ(EINVAL, errno) TH_LOG("err %s (%i)", strerror(errno), errno);
 }
 
 TEST_HARNESS_MAIN

tools/testing/selftests/memfd/memfd_test.c

···
 #include <fcntl.h>
 #include <linux/memfd.h>
 #include <sched.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <signal.h>
···
 	p = mmap(NULL,
 		 mfd_def_size,
 		 PROT_READ | PROT_WRITE,
+		 MAP_SHARED,
+		 fd,
+		 0);
+	if (p == MAP_FAILED) {
+		printf("mmap() failed: %m\n");
+		abort();
+	}
+
+	return p;
+}
+
+static void *mfd_assert_mmap_read_shared(int fd)
+{
+	void *p;
+
+	p = mmap(NULL,
+		 mfd_def_size,
+		 PROT_READ,
 		 MAP_SHARED,
 		 fd,
 		 0);
···
 	close(fd);
 }
 
+static void test_seal_write_map_read_shared(void)
+{
+	int fd;
+	void *p;
+
+	printf("%s SEAL-WRITE-MAP-READ\n", memfd_str);
+
+	fd = mfd_assert_new("kern_memfd_seal_write_map_read",
+			    mfd_def_size,
+			    MFD_CLOEXEC | MFD_ALLOW_SEALING);
+
+	mfd_assert_add_seals(fd, F_SEAL_WRITE);
+	mfd_assert_has_seals(fd, F_SEAL_WRITE);
+
+	p = mfd_assert_mmap_read_shared(fd);
+
+	mfd_assert_read(fd);
+	mfd_assert_read_shared(fd);
+	mfd_fail_write(fd);
+
+	munmap(p, mfd_def_size);
+	close(fd);
+}
+
 /*
  * Test SEAL_SHRINK
  * Test whether SEAL_SHRINK actually prevents shrinking
···
 	close(fd);
 }
 
+static bool pid_ns_supported(void)
+{
+	return access("/proc/self/ns/pid", F_OK) == 0;
+}
+
 int main(int argc, char **argv)
 {
 	pid_t pid;
···
 
 	test_seal_write();
 	test_seal_future_write();
+	test_seal_write_map_read_shared();
 	test_seal_shrink();
 	test_seal_grow();
 	test_seal_resize();
 
-	test_sysctl_simple();
-	test_sysctl_nested();
+	if (pid_ns_supported()) {
+		test_sysctl_simple();
+		test_sysctl_nested();
+	} else {
+		printf("PID namespaces are not supported; skipping sysctl tests\n");
+	}
 
 	test_share_dup("SHARE-DUP", "");
 	test_share_mmap("SHARE-MMAP", "");

tools/testing/selftests/net/forwarding/local_termination.sh

···
 NUM_NETIFS=2
 PING_COUNT=1
 REQUIRE_MTOOLS=yes
-REQUIRE_MZ=no
 
 source lib.sh
 

tools/testing/selftests/net/lib/py/ynl.py

···
 # Set schema='' to avoid jsonschema validation, it's slow
 #
 class EthtoolFamily(YnlFamily):
-    def __init__(self):
+    def __init__(self, recv_size=0):
         super().__init__((SPEC_PATH / Path('ethtool.yaml')).as_posix(),
-                         schema='')
+                         schema='', recv_size=recv_size)
 
 
 class RtnlFamily(YnlFamily):
-    def __init__(self):
+    def __init__(self, recv_size=0):
         super().__init__((SPEC_PATH / Path('rt_link.yaml')).as_posix(),
-                         schema='')
+                         schema='', recv_size=recv_size)
 
 
 class NetdevFamily(YnlFamily):
-    def __init__(self):
+    def __init__(self, recv_size=0):
         super().__init__((SPEC_PATH / Path('netdev.yaml')).as_posix(),
-                         schema='')
+                         schema='', recv_size=recv_size)
 
 class NetshaperFamily(YnlFamily):
-    def __init__(self):
+    def __init__(self, recv_size=0):
         super().__init__((SPEC_PATH / Path('net_shaper.yaml')).as_posix(),
-                         schema='')
+                         schema='', recv_size=recv_size)

tools/testing/selftests/net/openvswitch/openvswitch.sh

···
 		ovs_add_if "$1" "$2" "$4" -u || return 1
 	fi
 
-	[ $TRACING -eq 1 ] && ovs_netns_spawn_daemon "$1" "$ns" \
-			tcpdump -i any -s 65535
+	if [ $TRACING -eq 1 ]; then
+		ovs_netns_spawn_daemon "$1" "$3" tcpdump -l -i any -s 6553
+		ovs_wait grep -q "listening on any" ${ovs_dir}/stderr
+	fi
 
 	return 0
 }

tools/testing/selftests/riscv/abi/pointer_masking.c

···
 	}
 }
 
+static bool pwrite_wrapper(int fd, void *buf, size_t count, const char *msg)
+{
+	int ret = pwrite(fd, buf, count, 0);
+
+	if (ret != count) {
+		ksft_perror(msg);
+		return false;
+	}
+	return true;
+}
+
 static void test_tagged_addr_abi_sysctl(void)
 {
+	char *err_pwrite_msg = "failed to write to /proc/sys/abi/tagged_addr_disabled\n";
 	char value;
 	int fd;
 
···
 	}
 
 	value = '1';
-	pwrite(fd, &value, 1, 0);
-	ksft_test_result(set_tagged_addr_ctrl(min_pmlen, true) == -EINVAL,
-			 "sysctl disabled\n");
+	if (!pwrite_wrapper(fd, &value, 1, "write '1'"))
+		ksft_test_result_fail(err_pwrite_msg);
+	else
+		ksft_test_result(set_tagged_addr_ctrl(min_pmlen, true) == -EINVAL,
+				 "sysctl disabled\n");
 
 	value = '0';
-	pwrite(fd, &value, 1, 0);
-	ksft_test_result(set_tagged_addr_ctrl(min_pmlen, true) == 0,
-			 "sysctl enabled\n");
+	if (!pwrite_wrapper(fd, &value, 1, "write '0'"))
+		ksft_test_result_fail(err_pwrite_msg);
+	else
+		ksft_test_result(set_tagged_addr_ctrl(min_pmlen, true) == 0,
+				 "sysctl enabled\n");
 
 	set_tagged_addr_ctrl(0, false);
 

tools/testing/selftests/riscv/vector/v_initval_nolibc.c

···
 	unsigned long vl;
 	char *datap, *tmp;
 
+	ksft_set_plan(1);
+
 	datap = malloc(MAX_VSIZE);
 	if (!datap) {
 		ksft_test_result_fail("fail to allocate memory for size = %d\n", MAX_VSIZE);
···
 	}
 
 	free(datap);
+
+	ksft_test_result_pass("tests for v_initval_nolibc pass\n");
 	ksft_exit_pass();
 	return 0;
 }

tools/testing/selftests/riscv/vector/vstate_prctl.c

···
 	long flag, expected;
 	long rc;
 
+	ksft_set_plan(1);
+
 	pair.key = RISCV_HWPROBE_KEY_IMA_EXT_0;
 	rc = riscv_hwprobe(&pair, 1, 0, NULL, 0);
 	if (rc < 0) {

tools/testing/selftests/sched_ext/ddsp_bogus_dsq_fail.bpf.c

···
 		 * If we dispatch to a bogus DSQ that will fall back to the
 		 * builtin global DSQ, we fail gracefully.
 		 */
-		scx_bpf_dispatch_vtime(p, 0xcafef00d, SCX_SLICE_DFL,
+		scx_bpf_dsq_insert_vtime(p, 0xcafef00d, SCX_SLICE_DFL,
 				       p->scx.dsq_vtime, 0);
 		return cpu;
 	}

tools/testing/selftests/sched_ext/ddsp_vtimelocal_fail.bpf.c

···
 
 	if (cpu >= 0) {
 		/* Shouldn't be allowed to vtime dispatch to a builtin DSQ. */
-		scx_bpf_dispatch_vtime(p, SCX_DSQ_LOCAL, SCX_SLICE_DFL,
-				       p->scx.dsq_vtime, 0);
+		scx_bpf_dsq_insert_vtime(p, SCX_DSQ_LOCAL, SCX_SLICE_DFL,
+					 p->scx.dsq_vtime, 0);
 		return cpu;
 	}
 

tools/testing/selftests/sched_ext/dsp_local_on.bpf.c

···
 	if (!p)
 		return;
 
-	target = bpf_get_prandom_u32() % nr_cpus;
+	if (p->nr_cpus_allowed == nr_cpus)
+		target = bpf_get_prandom_u32() % nr_cpus;
+	else
+		target = scx_bpf_task_cpu(p);
 
-	scx_bpf_dispatch(p, SCX_DSQ_LOCAL_ON | target, SCX_SLICE_DFL, 0);
+	scx_bpf_dsq_insert(p, SCX_DSQ_LOCAL_ON | target, SCX_SLICE_DFL, 0);
 	bpf_task_release(p);
 }
 

tools/testing/selftests/sched_ext/dsp_local_on.c

···
 	/* Just sleeping is fine, plenty of scheduling events happening */
 	sleep(1);
 
-	SCX_EQ(skel->data->uei.kind, EXIT_KIND(SCX_EXIT_ERROR));
 	bpf_link__destroy(link);
+
+	SCX_EQ(skel->data->uei.kind, EXIT_KIND(SCX_EXIT_UNREG));
 
 	return SCX_TEST_PASS;
 }
···
 struct scx_test dsp_local_on = {
 	.name = "dsp_local_on",
 	.description = "Verify we can directly dispatch tasks to a local DSQs "
-		       "from osp.dispatch()",
+		       "from ops.dispatch()",
 	.setup = setup,
 	.run = run,
 	.cleanup = cleanup,

tools/testing/selftests/sched_ext/enq_select_cpu_fails.bpf.c

···
 	/* Can only call from ops.select_cpu() */
 	scx_bpf_select_cpu_dfl(p, 0, 0, &found);
 
-	scx_bpf_dispatch(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, enq_flags);
+	scx_bpf_dsq_insert(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, enq_flags);
 }
 
 SEC(".struct_ops.link")

tools/testing/selftests/sched_ext/exit.bpf.c

···
 	if (exit_point == EXIT_ENQUEUE)
 		EXIT_CLEANLY();
 
-	scx_bpf_dispatch(p, DSQ_ID, SCX_SLICE_DFL, enq_flags);
+	scx_bpf_dsq_insert(p, DSQ_ID, SCX_SLICE_DFL, enq_flags);
 }
 
 void BPF_STRUCT_OPS(exit_dispatch, s32 cpu, struct task_struct *p)
···
 	if (exit_point == EXIT_DISPATCH)
 		EXIT_CLEANLY();
 
-	scx_bpf_consume(DSQ_ID);
+	scx_bpf_dsq_move_to_local(DSQ_ID);
 }
 
 void BPF_STRUCT_OPS(exit_enable, struct task_struct *p)

tools/testing/selftests/sched_ext/maximal.bpf.c

···
 
 char _license[] SEC("license") = "GPL";
 
+#define DSQ_ID 0
+
 s32 BPF_STRUCT_OPS(maximal_select_cpu, struct task_struct *p, s32 prev_cpu,
 		   u64 wake_flags)
 {
···
 
 void BPF_STRUCT_OPS(maximal_enqueue, struct task_struct *p, u64 enq_flags)
 {
-	scx_bpf_dispatch(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, enq_flags);
+	scx_bpf_dsq_insert(p, DSQ_ID, SCX_SLICE_DFL, enq_flags);
 }
 
 void BPF_STRUCT_OPS(maximal_dequeue, struct task_struct *p, u64 deq_flags)
···
 
 void BPF_STRUCT_OPS(maximal_dispatch, s32 cpu, struct task_struct *prev)
 {
-	scx_bpf_consume(SCX_DSQ_GLOBAL);
+	scx_bpf_dsq_move_to_local(DSQ_ID);
 }
 
 void BPF_STRUCT_OPS(maximal_runnable, struct task_struct *p, u64 enq_flags)
···
 
 s32 BPF_STRUCT_OPS_SLEEPABLE(maximal_init)
 {
-	return 0;
+	return scx_bpf_create_dsq(DSQ_ID, -1);
 }
 
 void BPF_STRUCT_OPS(maximal_exit, struct scx_exit_info *info)

tools/testing/selftests/sched_ext/select_cpu_dfl.bpf.c

···
 	}
 	scx_bpf_put_idle_cpumask(idle_mask);
 
-	scx_bpf_dispatch(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, enq_flags);
+	scx_bpf_dsq_insert(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, enq_flags);
 }
 
 SEC(".struct_ops.link")

tools/testing/selftests/sched_ext/select_cpu_dfl_nodispatch.bpf.c

···
 		saw_local = true;
 	}
 
-	scx_bpf_dispatch(p, dsq_id, SCX_SLICE_DFL, enq_flags);
+	scx_bpf_dsq_insert(p, dsq_id, SCX_SLICE_DFL, enq_flags);
 }
 
 s32 BPF_STRUCT_OPS(select_cpu_dfl_nodispatch_init_task,

tools/testing/selftests/sched_ext/select_cpu_dispatch.bpf.c

···
 	cpu = prev_cpu;
 
 dispatch:
-	scx_bpf_dispatch(p, dsq_id, SCX_SLICE_DFL, 0);
+	scx_bpf_dsq_insert(p, dsq_id, SCX_SLICE_DFL, 0);
 	return cpu;
 }
 

tools/testing/selftests/sched_ext/select_cpu_dispatch_bad_dsq.bpf.c

···
 		   s32 prev_cpu, u64 wake_flags)
 {
 	/* Dispatching to a random DSQ should fail. */
-	scx_bpf_dispatch(p, 0xcafef00d, SCX_SLICE_DFL, 0);
+	scx_bpf_dsq_insert(p, 0xcafef00d, SCX_SLICE_DFL, 0);
 
 	return prev_cpu;
 }

tools/testing/selftests/sched_ext/select_cpu_dispatch_dbl_dsp.bpf.c

···
 		   s32 prev_cpu, u64 wake_flags)
 {
 	/* Dispatching twice in a row is disallowed. */
-	scx_bpf_dispatch(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, 0);
-	scx_bpf_dispatch(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, 0);
+	scx_bpf_dsq_insert(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, 0);
+	scx_bpf_dsq_insert(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, 0);
 
 	return prev_cpu;
 }

tools/testing/selftests/sched_ext/select_cpu_vtime.bpf.c

···
 /*
  * A scheduler that validates that enqueue flags are properly stored and
  * applied at dispatch time when a task is directly dispatched from
- * ops.select_cpu(). We validate this by using scx_bpf_dispatch_vtime(), and
- * making the test a very basic vtime scheduler.
+ * ops.select_cpu(). We validate this by using scx_bpf_dsq_insert_vtime(),
+ * and making the test a very basic vtime scheduler.
  *
  * Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
  * Copyright (c) 2024 David Vernet <[e-mail]>
···
 	cpu = prev_cpu;
 	scx_bpf_test_and_clear_cpu_idle(cpu);
 ddsp:
-	scx_bpf_dispatch_vtime(p, VTIME_DSQ, SCX_SLICE_DFL, task_vtime(p), 0);
+	scx_bpf_dsq_insert_vtime(p, VTIME_DSQ, SCX_SLICE_DFL, task_vtime(p), 0);
 	return cpu;
 }
 
 void BPF_STRUCT_OPS(select_cpu_vtime_dispatch, s32 cpu, struct task_struct *p)
 {
-	if (scx_bpf_consume(VTIME_DSQ))
+	if (scx_bpf_dsq_move_to_local(VTIME_DSQ))
 		consumed = true;
 }
 

tools/testing/selftests/tc-testing/tc-tests/filters/flow.json

···
         "setup": [
             "$TC qdisc add dev $DEV1 ingress"
         ],
-        "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 protocol ip flow map key dst rshift 0xff",
+        "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 prio 1 protocol ip flow map key dst rshift 0x1f",
         "expExitCode": "0",
         "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 1 flow",
-        "matchPattern": "filter parent ffff: protocol ip pref 1 flow chain [0-9]+ handle 0x1 map keys dst rshift 255 baseclass",
+        "matchPattern": "filter parent ffff: protocol ip pref 1 flow chain [0-9]+ handle 0x1 map keys dst rshift 31 baseclass",
         "matchCount": "1",
         "teardown": [
             "$TC qdisc del dev $DEV1 ingress"

tools/tracing/rtla/src/timerlat_hist.c

···
 }
 
 /*
+ * format_summary_value - format a line of summary value (min, max or avg)
+ * of hist data
+ */
+static void format_summary_value(struct trace_seq *seq,
+				 int count,
+				 unsigned long long val,
+				 bool avg)
+{
+	if (count)
+		trace_seq_printf(seq, "%9llu ", avg ? val / count : val);
+	else
+		trace_seq_printf(seq, "%9c ", '-');
+}
+
+/*
  * timerlat_print_summary - print the summary of the hist data to the output
  */
 static void
···
 		if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
 			continue;
 
-		if (!params->no_irq) {
-			if (data->hist[cpu].irq_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						data->hist[cpu].min_irq);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (!params->no_irq)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].irq_count,
+					     data->hist[cpu].min_irq,
+					     false);
 
-		if (!params->no_thread) {
-			if (data->hist[cpu].thread_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						data->hist[cpu].min_thread);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (!params->no_thread)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].thread_count,
+					     data->hist[cpu].min_thread,
+					     false);
 
-		if (params->user_hist) {
-			if (data->hist[cpu].user_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						data->hist[cpu].min_user);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (params->user_hist)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].user_count,
+					     data->hist[cpu].min_user,
+					     false);
 	}
 	trace_seq_printf(trace->seq, "\n");
 
···
 		if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
 			continue;
 
-		if (!params->no_irq) {
-			if (data->hist[cpu].irq_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						 data->hist[cpu].sum_irq / data->hist[cpu].irq_count);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (!params->no_irq)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].irq_count,
+					     data->hist[cpu].sum_irq,
+					     true);
 
-		if (!params->no_thread) {
-			if (data->hist[cpu].thread_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						 data->hist[cpu].sum_thread / data->hist[cpu].thread_count);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (!params->no_thread)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].thread_count,
+					     data->hist[cpu].sum_thread,
+					     true);
 
-		if (params->user_hist) {
-			if (data->hist[cpu].user_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						 data->hist[cpu].sum_user / data->hist[cpu].user_count);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (params->user_hist)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].user_count,
+					     data->hist[cpu].sum_user,
+					     true);
 	}
 	trace_seq_printf(trace->seq, "\n");
 
···
 		if (!data->hist[cpu].irq_count && !data->hist[cpu].thread_count)
 			continue;
 
-		if (!params->no_irq) {
-			if (data->hist[cpu].irq_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						 data->hist[cpu].max_irq);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (!params->no_irq)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].irq_count,
+					     data->hist[cpu].max_irq,
+					     false);
 
-		if (!params->no_thread) {
-			if (data->hist[cpu].thread_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						data->hist[cpu].max_thread);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (!params->no_thread)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].thread_count,
+					     data->hist[cpu].max_thread,
+					     false);
 
-		if (params->user_hist) {
-			if (data->hist[cpu].user_count)
-				trace_seq_printf(trace->seq, "%9llu ",
-						data->hist[cpu].max_user);
-			else
-				trace_seq_printf(trace->seq, "        - ");
-		}
+		if (params->user_hist)
+			format_summary_value(trace->seq,
+					     data->hist[cpu].user_count,
+					     data->hist[cpu].max_user,
+					     false);
 	}
 	trace_seq_printf(trace->seq, "\n");
 	trace_seq_do_printf(trace->seq);
···
 		trace_seq_printf(trace->seq, "min:  ");
 
 	if (!params->no_irq)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.min_irq);
+		format_summary_value(trace->seq,
+				     sum.irq_count,
+				     sum.min_irq,
+				     false);
 
 	if (!params->no_thread)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.min_thread);
+		format_summary_value(trace->seq,
+				     sum.thread_count,
+				     sum.min_thread,
+				     false);
 
 	if (params->user_hist)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.min_user);
+		format_summary_value(trace->seq,
+				     sum.user_count,
+				     sum.min_user,
+				     false);
 
 	trace_seq_printf(trace->seq, "\n");
 
···
 		trace_seq_printf(trace->seq, "avg:  ");
 
 	if (!params->no_irq)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.sum_irq / sum.irq_count);
+		format_summary_value(trace->seq,
+				     sum.irq_count,
+				     sum.sum_irq,
+				     true);
 
 	if (!params->no_thread)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.sum_thread / sum.thread_count);
+		format_summary_value(trace->seq,
+				     sum.thread_count,
+				     sum.sum_thread,
+				     true);
 
 	if (params->user_hist)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.sum_user / sum.user_count);
+		format_summary_value(trace->seq,
+				     sum.user_count,
+				     sum.sum_user,
+				     true);
 
 	trace_seq_printf(trace->seq, "\n");
 
···
 		trace_seq_printf(trace->seq, "max:  ");
 
 	if (!params->no_irq)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.max_irq);
+		format_summary_value(trace->seq,
+				     sum.irq_count,
+				     sum.max_irq,
+				     false);
 
 	if (!params->no_thread)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.max_thread);
+		format_summary_value(trace->seq,
+				     sum.thread_count,
+				     sum.max_thread,
+				     false);
 
 	if (params->user_hist)
-		trace_seq_printf(trace->seq, "%9llu ",
-				 sum.max_user);
+		format_summary_value(trace->seq,
+				     sum.user_count,
+				     sum.max_user,
+				     false);
 
 	trace_seq_printf(trace->seq, "\n");
 	trace_seq_do_printf(trace->seq);

usr/include/Makefile

···
       cmd_hdrtest = \
 		$(CC) $(c_flags) -fsyntax-only -x c /dev/null \
 			$(if $(filter-out $(no-header-test), $*.h), -include $< -include $<); \
-		$(PERL) $(src)/headers_check.pl $(obj) $(SRCARCH) $<; \
+		$(PERL) $(src)/headers_check.pl $(obj) $<; \
 		touch $@
 
 $(obj)/%.hdrtest: $(obj)/%.h FORCE

usr/include/headers_check.pl

···
 #
 # headers_check.pl execute a number of trivial consistency checks
 #
-# Usage: headers_check.pl dir arch [files...]
+# Usage: headers_check.pl dir [files...]
 # dir:   dir to look for included files
-# arch:  architecture
 # files: list of files to check
 #
 # The script reads the supplied files line by line and:
···
 use strict;
 use File::Basename;
 
-my ($dir, $arch, @files) = @ARGV;
+my ($dir, @files) = @ARGV;
 
 my $ret = 0;
 my $line;
···
 		my $inc = $1;
 		my $found;
 		$found = stat($dir . "/" . $inc);
-		if (!$found) {
-			$inc =~ s#asm/#asm-$arch/#;
-			$found = stat($dir . "/" . $inc);
-		}
 		if (!$found) {
 			printf STDERR "$filename:$lineno: included file '$inc' is not exported\n";
 			$ret = 1;