Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2# KVM common configuration items and defaults
3
4config KVM_COMMON
5 bool
6 select EVENTFD
7 select INTERVAL_TREE
8 select PREEMPT_NOTIFIERS
9
10config HAVE_KVM_PFNCACHE
11 bool
12
13config HAVE_KVM_IRQCHIP
14 bool
15
16config HAVE_KVM_IRQ_ROUTING
17 bool
18
19config HAVE_KVM_DIRTY_RING
20 bool
21
22# Only strongly ordered architectures can select this, as it doesn't
23# put any explicit constraint on userspace ordering. They can also
24# select the _ACQ_REL version.
25config HAVE_KVM_DIRTY_RING_TSO
26 bool
27 select HAVE_KVM_DIRTY_RING
28 depends on X86
29
30# Weakly ordered architectures can only select this, advertising
31# to userspace the additional ordering requirements.
32config HAVE_KVM_DIRTY_RING_ACQ_REL
33 bool
34 select HAVE_KVM_DIRTY_RING
35
36# Allow enabling both the dirty bitmap and dirty ring. Only architectures
37# that need to dirty memory outside of a vCPU context should select this.
38config NEED_KVM_DIRTY_RING_WITH_BITMAP
39 bool
40 depends on HAVE_KVM_DIRTY_RING
41
42config KVM_MMIO
43 bool
44
45config KVM_ASYNC_PF
46 bool
47
48# Toggle to switch between direct notification and batch job
49config KVM_ASYNC_PF_SYNC
50 bool
51
52config HAVE_KVM_MSI
53 bool
54
55config HAVE_KVM_READONLY_MEM
56 bool
57
58config HAVE_KVM_CPU_RELAX_INTERCEPT
59 bool
60
61config KVM_VFIO
62 bool
63
64config HAVE_KVM_INVALID_WAKEUPS
65 bool
66
67config KVM_GENERIC_DIRTYLOG_READ_PROTECT
68 bool
69
70config KVM_GENERIC_PRE_FAULT_MEMORY
71 bool
72
73config KVM_COMPAT
74 def_bool y
75 depends on KVM && COMPAT && !(S390 || ARM64 || RISCV)
76
77config HAVE_KVM_IRQ_BYPASS
78 tristate
79 select IRQ_BYPASS_MANAGER
80
81config HAVE_KVM_VCPU_RUN_PID_CHANGE
82 bool
83
84config HAVE_KVM_NO_POLL
85 bool
86
87config VIRT_XFER_TO_GUEST_WORK
88 bool
89
90config HAVE_KVM_PM_NOTIFIER
91 bool
92
93config KVM_GENERIC_HARDWARE_ENABLING
94 bool
95
96config KVM_GENERIC_MMU_NOTIFIER
97 select MMU_NOTIFIER
98 bool
99
100config KVM_ELIDE_TLB_FLUSH_IF_YOUNG
101 depends on KVM_GENERIC_MMU_NOTIFIER
102 bool
103
104config KVM_MMU_LOCKLESS_AGING
105 depends on KVM_GENERIC_MMU_NOTIFIER
106 bool
107
108config KVM_GENERIC_MEMORY_ATTRIBUTES
109 depends on KVM_GENERIC_MMU_NOTIFIER
110 bool
111
112config KVM_GUEST_MEMFD
113 depends on KVM_GENERIC_MMU_NOTIFIER
114 select XARRAY_MULTI
115 bool
116
117config HAVE_KVM_ARCH_GMEM_PREPARE
118 bool
119 depends on KVM_GUEST_MEMFD
120
121config HAVE_KVM_ARCH_GMEM_INVALIDATE
122 bool
123 depends on KVM_GUEST_MEMFD
124
125config HAVE_KVM_ARCH_GMEM_POPULATE
126 bool
127 depends on KVM_GUEST_MEMFD