Merge branch 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc:
[POWERPC] sys_move_pages should be callable from an SPU
[POWERPC] Wire up sys_epoll_pwait
[POWERPC] Allocate syscall number for sys_getcpu
[POWERPC] update cell_defconfig
[POWERPC] ps3: always make sure were running on a PS3
[POWERPC] Fix spu SLB invalidations
[POWERPC] avoid SPU_ACTIVATE_NOWAKE optimization
[POWERPC] spufs: fix possible memory corruption is spufs_mem_write

arch/powerpc/configs/cell_defconfig

···
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.20-rc5
-# Mon Jan 22 22:12:56 2007
+# Linux kernel version: 2.6.21-rc3
+# Fri Mar  9 23:34:53 2007
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
···
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 # CONFIG_IPC_NS is not set
+CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
···
 CONFIG_CPUSETS=y
 CONFIG_SYSFS_DEPRECATED=y
 # CONFIG_RELAY is not set
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
···
 # CONFIG_PPC_PSERIES is not set
 # CONFIG_PPC_ISERIES is not set
 # CONFIG_PPC_MPC52xx is not set
+# CONFIG_PPC_MPC5200 is not set
 # CONFIG_PPC_PMAC is not set
 # CONFIG_PPC_MAPLE is not set
 # CONFIG_PPC_PASEMI is not set
···
 CONFIG_PPC_CELL_NATIVE=y
 CONFIG_PPC_IBM_CELL_BLADE=y
 CONFIG_PPC_PS3=y
+CONFIG_PPC_CELLEB=y
 CONFIG_PPC_NATIVE=y
 CONFIG_UDBG_RTAS_CONSOLE=y
+CONFIG_PPC_UDBG_BEAT=y
 # CONFIG_U3_DART is not set
 CONFIG_PPC_RTAS=y
 # CONFIG_RTAS_ERROR_LOGGING is not set
···
 #
 # PS3 Platform Options
 #
+# CONFIG_PS3_ADVANCED is not set
 CONFIG_PS3_HTAB_SIZE=20
 # CONFIG_PS3_DYNAMIC_DMA is not set
 CONFIG_PS3_USE_LPAR_ADDR=y
 CONFIG_PS3_VUART=y
+CONFIG_PS3_PS3AV=y
+CONFIG_PS3_SYS_MANAGER=y
 
 #
 # Kernel options
···
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_MIGRATION=y
 CONFIG_RESOURCES_64BIT=y
+CONFIG_ZONE_DMA_FLAG=1
 CONFIG_ARCH_MEMORY_PROBE=y
 CONFIG_NODES_SPAN_OTHER_NODES=y
 CONFIG_PPC_64K_PAGES=y
···
 #
 # Bus options
 #
+CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_MPIC_WEIRD is not set
 # CONFIG_PPC_I8259 is not set
···
 CONFIG_XFRM=y
 # CONFIG_XFRM_USER is not set
 # CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
···
 CONFIG_NETFILTER_XT_TARGET_MARK=m
 CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
 CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
 CONFIG_NETFILTER_XT_MATCH_COMMENT=m
 CONFIG_NETFILTER_XT_MATCH_DCCP=m
 CONFIG_NETFILTER_XT_MATCH_DSCP=m
···
 CONFIG_IP_NF_TARGET_REJECT=m
 CONFIG_IP_NF_TARGET_LOG=m
 CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
 CONFIG_IP_NF_MANGLE=m
 CONFIG_IP_NF_TARGET_TOS=m
 CONFIG_IP_NF_TARGET_ECN=m
···
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
 # CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
 
 #
···
 #
 # Plug and Play support
 #
+# CONFIG_PNPACPI is not set
 
 #
 # Block devices
···
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=131072
 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
-CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
 
···
 # CONFIG_BLK_DEV_JMICRON is not set
 # CONFIG_BLK_DEV_SC1200 is not set
 # CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_IT8213 is not set
 # CONFIG_BLK_DEV_IT821X is not set
 # CONFIG_BLK_DEV_NS87415 is not set
 # CONFIG_BLK_DEV_PDC202XX_OLD is not set
···
 # CONFIG_BLK_DEV_SLC90E66 is not set
 # CONFIG_BLK_DEV_TRM290 is not set
 # CONFIG_BLK_DEV_VIA82CXXX is not set
+# CONFIG_BLK_DEV_TC86C001 is not set
+CONFIG_BLK_DEV_IDE_CELLEB=y
 # CONFIG_IDE_ARM is not set
 CONFIG_BLK_DEV_IDEDMA=y
 # CONFIG_IDEDMA_IVB is not set
···
 # SCSI device support
 #
 # CONFIG_RAID_ATTRS is not set
-CONFIG_SCSI=m
+CONFIG_SCSI=y
 # CONFIG_SCSI_TGT is not set
 # CONFIG_SCSI_NETLINK is not set
 CONFIG_SCSI_PROC_FS=y
···
 #
 # SCSI support type (disk, tape, CD-ROM)
 #
-CONFIG_BLK_DEV_SD=m
+CONFIG_BLK_DEV_SD=y
 # CONFIG_CHR_DEV_ST is not set
 # CONFIG_CHR_DEV_OSST is not set
 CONFIG_BLK_DEV_SR=m
 # CONFIG_BLK_DEV_SR_VENDOR is not set
-CONFIG_CHR_DEV_SG=m
+CONFIG_CHR_DEV_SG=y
 # CONFIG_CHR_DEV_SCH is not set
 
 #
···
 # CONFIG_SCSI_SPI_ATTRS is not set
 # CONFIG_SCSI_FC_ATTRS is not set
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
+CONFIG_SCSI_SAS_ATTRS=y
 # CONFIG_SCSI_SAS_LIBSAS is not set
 
 #
···
 # CONFIG_SCSI_INIA100 is not set
 # CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 # CONFIG_SCSI_QLA_FC is not set
 # CONFIG_SCSI_QLA_ISCSI is not set
···
 #
 # Serial ATA (prod) and Parallel ATA (experimental) drivers
 #
-# CONFIG_ATA is not set
+CONFIG_ATA=y
+# CONFIG_ATA_NONSTANDARD is not set
+# CONFIG_SATA_AHCI is not set
+# CONFIG_SATA_SVW is not set
+# CONFIG_ATA_PIIX is not set
+# CONFIG_SATA_MV is not set
+# CONFIG_SATA_NV is not set
+# CONFIG_PDC_ADMA is not set
+# CONFIG_SATA_QSTOR is not set
+CONFIG_SATA_PROMISE=y
+# CONFIG_SATA_SX4 is not set
+# CONFIG_SATA_SIL is not set
+# CONFIG_SATA_SIL24 is not set
+# CONFIG_SATA_SIS is not set
+# CONFIG_SATA_ULI is not set
+# CONFIG_SATA_VIA is not set
+# CONFIG_SATA_VITESSE is not set
+# CONFIG_SATA_INIC162X is not set
+# CONFIG_PATA_ALI is not set
+# CONFIG_PATA_AMD is not set
+# CONFIG_PATA_ARTOP is not set
+# CONFIG_PATA_ATIIXP is not set
+# CONFIG_PATA_CMD64X is not set
+# CONFIG_PATA_CS5520 is not set
+# CONFIG_PATA_CS5530 is not set
+# CONFIG_PATA_CYPRESS is not set
+# CONFIG_PATA_EFAR is not set
+# CONFIG_ATA_GENERIC is not set
+# CONFIG_PATA_HPT366 is not set
+# CONFIG_PATA_HPT37X is not set
+# CONFIG_PATA_HPT3X2N is not set
+# CONFIG_PATA_HPT3X3 is not set
+# CONFIG_PATA_IT821X is not set
+# CONFIG_PATA_IT8213 is not set
+# CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_TRIFLEX is not set
+# CONFIG_PATA_MARVELL is not set
+# CONFIG_PATA_MPIIX is not set
+# CONFIG_PATA_OLDPIIX is not set
+# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_OPTI is not set
+# CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC_OLD is not set
+# CONFIG_PATA_RADISYS is not set
+# CONFIG_PATA_RZ1000 is not set
+# CONFIG_PATA_SC1200 is not set
+# CONFIG_PATA_SERVERWORKS is not set
+CONFIG_PATA_PDC2027X=m
+# CONFIG_PATA_SIL680 is not set
+# CONFIG_PATA_SIS is not set
+# CONFIG_PATA_VIA is not set
+# CONFIG_PATA_WINBOND is not set
+# CONFIG_PATA_SCC is not set
 
 #
 # Multi-device support (RAID and LVM)
···
 #
 # Fusion MPT device support
 #
-# CONFIG_FUSION is not set
+CONFIG_FUSION=y
 # CONFIG_FUSION_SPI is not set
 # CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
+CONFIG_FUSION_SAS=y
+CONFIG_FUSION_MAX_SGE=128
+# CONFIG_FUSION_CTL is not set
 
 #
 # IEEE 1394 (FireWire) support
···
 # CONFIG_BNX2 is not set
 CONFIG_SPIDER_NET=y
 # CONFIG_QLA3XXX is not set
+# CONFIG_ATL1 is not set
 
 #
 # Ethernet (10000 Mbit)
 #
 # CONFIG_CHELSIO_T1 is not set
+# CONFIG_CHELSIO_T3 is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
 # CONFIG_MYRI10GE is not set
 # CONFIG_NETXEN_NIC is not set
+# CONFIG_PASEMI_MAC is not set
 
 #
 # Token Ring devices
···
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_SERIAL_TXX9=y
+CONFIG_HAS_TXX9_SERIAL=y
+CONFIG_SERIAL_TXX9_NR_UARTS=2
+CONFIG_SERIAL_TXX9_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
+CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_HVC_DRIVER=y
 CONFIG_HVC_RTAS=y
+# CONFIG_HVC_BEAT is not set
 
 #
 # IPMI
 #
-# CONFIG_IPMI_HANDLER is not set
+CONFIG_IPMI_HANDLER=m
+# CONFIG_IPMI_PANIC_EVENT is not set
+CONFIG_IPMI_DEVICE_INTERFACE=m
+CONFIG_IPMI_SI=m
+CONFIG_IPMI_WATCHDOG=m
+CONFIG_IPMI_POWEROFF=m
 
 #
 # Watchdog Cards
···
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-CONFIG_WATCHDOG_RTAS=y
+# CONFIG_WATCHDOG_RTAS is not set
 
 #
 # PCI-based Watchdog Cards
···
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_PASEMI is not set
 # CONFIG_I2C_PROSAVAGE is not set
 # CONFIG_I2C_SAVAGE4 is not set
 # CONFIG_I2C_SIS5595 is not set
···
 # CONFIG_HWMON_VID is not set
 
 #
+# Multifunction device drivers
+#
+# CONFIG_MFD_SM501 is not set
+
+#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
···
 #
 # Graphics support
 #
-CONFIG_FIRMWARE_EDID=y
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 # CONFIG_FB is not set
 # CONFIG_FB_IBM_GXT4500 is not set
 
···
 #
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
 # Sound
···
 # HID Devices
 #
 CONFIG_HID=m
+# CONFIG_HID_DEBUG is not set
 
 #
 # USB support
···
 # Miscellaneous USB options
 #
 CONFIG_USB_DEVICEFS=y
-# CONFIG_USB_BANDWIDTH is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_MULTITHREAD_PROBE is not set
 # CONFIG_USB_OTG is not set
 
 #
···
 # CONFIG_USB_EHCI_SPLIT_ISO is not set
 # CONFIG_USB_EHCI_ROOT_HUB_TT is not set
 # CONFIG_USB_EHCI_TT_NEWSCHED is not set
+CONFIG_USB_EHCI_BIG_ENDIAN_MMIO=y
 # CONFIG_USB_ISP116X_HCD is not set
 CONFIG_USB_OHCI_HCD=m
-# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_HCD_PPC_OF=y
+CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
+# CONFIG_USB_OHCI_HCD_PPC_OF_LE is not set
+CONFIG_USB_OHCI_HCD_PCI=y
+CONFIG_USB_OHCI_BIG_ENDIAN_DESC=y
+CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y
 CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_UHCI_HCD is not set
 # CONFIG_USB_SL811_HCD is not set
···
 # CONFIG_USB_ATI_REMOTE2 is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
 # CONFIG_USB_APPLETOUCH is not set
+# CONFIG_USB_GTCO is not set
 
 #
 # USB Imaging devices
···
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
···
 # CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 
 #
···
 CONFIG_INFINIBAND_MTHCA_DEBUG=y
 # CONFIG_INFINIBAND_AMSO1100 is not set
 CONFIG_INFINIBAND_IPOIB=m
+# CONFIG_INFINIBAND_IPOIB_CM is not set
 CONFIG_INFINIBAND_IPOIB_DEBUG=y
 CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y
 # CONFIG_INFINIBAND_SRP is not set
···
 
 #
 # DMA Devices
+#
+
+#
+# Auxiliary Display support
 #
 
 #
···
 CONFIG_TEXTSEARCH_BM=m
 CONFIG_TEXTSEARCH_FSM=m
 CONFIG_PLIST=y
-CONFIG_IOMAP_COPY=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
 
 #
 # Instrumentation Support
···
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
 CONFIG_LOG_BUF_SHIFT=15
-CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_DETECT_SOFTLOCKUP is not set
 # CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 CONFIG_DEBUG_MUTEXES=y
-# CONFIG_DEBUG_RWSEMS is not set
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
···
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_FAULT_INJECTION is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUGGER=y
···
 # CONFIG_CRYPTO_GF128MUL is not set
 CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_CBC=m
+CONFIG_CRYPTO_PCBC=m
 # CONFIG_CRYPTO_LRW is not set
 CONFIG_CRYPTO_DES=m
+# CONFIG_CRYPTO_FCRYPT is not set
 # CONFIG_CRYPTO_BLOWFISH is not set
 # CONFIG_CRYPTO_TWOFISH is not set
 # CONFIG_CRYPTO_SERPENT is not set
···
 CONFIG_CRYPTO_DEFLATE=m
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_TEST is not set
 
 #

arch/powerpc/mm/hash_utils_64.c

···
 				       "non-cacheable mapping\n");
 				psize = mmu_vmalloc_psize = MMU_PAGE_4K;
 			}
+#ifdef CONFIG_SPE_BASE
+			spu_flush_all_slbs(mm);
+#endif
 		}
 		if (user_region) {
 			if (psize != get_paca()->context.user_psize) {
···
 				mmu_psize_defs[MMU_PAGE_4K].sllp;
 			get_paca()->context = mm->context;
 			slb_flush_and_rebolt();
+#ifdef CONFIG_SPE_BASE
+			spu_flush_all_slbs(mm);
+#endif
 		}
 	}
 	if (mm->context.user_psize == MMU_PAGE_64K)

arch/powerpc/mm/hugetlbpage.c

···
 #include <asm/machdep.h>
 #include <asm/cputable.h>
 #include <asm/tlb.h>
+#include <asm/spu.h>
 
 #include <linux/sysctl.h>
 
···
 	if ((addr + len) > 0x100000000UL)
 		err = open_high_hpage_areas(current->mm,
 					    HTLB_AREA_MASK(addr, len));
+#ifdef CONFIG_SPE_BASE
+	spu_flush_all_slbs(current->mm);
+#endif
 	if (err) {
 		printk(KERN_DEBUG "prepare_hugepage_range(%lx, %lx)"
 		       " failed (lowmask: 0x%04hx, highmask: 0x%04hx)\n",

arch/powerpc/platforms/cell/spu_base.c

···
 const struct spu_management_ops *spu_management_ops;
 const struct spu_priv1_ops *spu_priv1_ops;
 
+static struct list_head spu_list[MAX_NUMNODES];
+static LIST_HEAD(spu_full_list);
+static DEFINE_MUTEX(spu_mutex);
+static spinlock_t spu_list_lock = SPIN_LOCK_UNLOCKED;
+
 EXPORT_SYMBOL_GPL(spu_priv1_ops);
+
+void spu_invalidate_slbs(struct spu *spu)
+{
+	struct spu_priv2 __iomem *priv2 = spu->priv2;
+
+	if (spu_mfc_sr1_get(spu) & MFC_STATE1_RELOCATE_MASK)
+		out_be64(&priv2->slb_invalidate_all_W, 0UL);
+}
+EXPORT_SYMBOL_GPL(spu_invalidate_slbs);
+
+/* This is called by the MM core when a segment size is changed, to
+ * request a flush of all the SPEs using a given mm
+ */
+void spu_flush_all_slbs(struct mm_struct *mm)
+{
+	struct spu *spu;
+	unsigned long flags;
+
+	spin_lock_irqsave(&spu_list_lock, flags);
+	list_for_each_entry(spu, &spu_full_list, full_list) {
+		if (spu->mm == mm)
+			spu_invalidate_slbs(spu);
+	}
+	spin_unlock_irqrestore(&spu_list_lock, flags);
+}
+
+/* The hack below stinks... try to do something better one of
+ * these days... Does it even work properly with NR_CPUS == 1 ?
+ */
+static inline void mm_needs_global_tlbie(struct mm_struct *mm)
+{
+	int nr = (NR_CPUS > 1) ? NR_CPUS : NR_CPUS + 1;
+
+	/* Global TLBIE broadcast required with SPEs. */
+	__cpus_setall(&mm->cpu_vm_mask, nr);
+}
+
+void spu_associate_mm(struct spu *spu, struct mm_struct *mm)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&spu_list_lock, flags);
+	spu->mm = mm;
+	spin_unlock_irqrestore(&spu_list_lock, flags);
+	if (mm)
+		mm_needs_global_tlbie(mm);
+}
+EXPORT_SYMBOL_GPL(spu_associate_mm);
 
 static int __spu_trap_invalid_dma(struct spu *spu)
 {
···
 	struct spu_priv2 __iomem *priv2 = spu->priv2;
 	struct mm_struct *mm = spu->mm;
 	u64 esid, vsid, llp;
+	int psize;
 
 	pr_debug("%s\n", __FUNCTION__);
 
···
 	case USER_REGION_ID:
 #ifdef CONFIG_HUGETLB_PAGE
 		if (in_hugepage_area(mm->context, ea))
-			llp = mmu_psize_defs[mmu_huge_psize].sllp;
+			psize = mmu_huge_psize;
 		else
 #endif
-			llp = mmu_psize_defs[mmu_virtual_psize].sllp;
+			psize = mm->context.user_psize;
 		vsid = (get_vsid(mm->context.id, ea) << SLB_VSID_SHIFT) |
-				SLB_VSID_USER | llp;
+				SLB_VSID_USER;
 		break;
 	case VMALLOC_REGION_ID:
-		llp = mmu_psize_defs[mmu_virtual_psize].sllp;
+		if (ea < VMALLOC_END)
+			psize = mmu_vmalloc_psize;
+		else
+			psize = mmu_io_psize;
 		vsid = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
-			SLB_VSID_KERNEL | llp;
+			SLB_VSID_KERNEL;
 		break;
 	case KERNEL_REGION_ID:
-		llp = mmu_psize_defs[mmu_linear_psize].sllp;
+		psize = mmu_linear_psize;
 		vsid = (get_kernel_vsid(ea) << SLB_VSID_SHIFT) |
-			SLB_VSID_KERNEL | llp;
+			SLB_VSID_KERNEL;
 		break;
 	default:
 		/* Future: support kernel segments so that drivers
···
 		pr_debug("invalid region access at %016lx\n", ea);
 		return 1;
 	}
+	llp = mmu_psize_defs[psize].sllp;
 
 	out_be64(&priv2->slb_index_W, spu->slb_replace);
-	out_be64(&priv2->slb_vsid_RW, vsid);
+	out_be64(&priv2->slb_vsid_RW, vsid | llp);
 	out_be64(&priv2->slb_esid_RW, esid);
 
 	spu->slb_replace++;
···
 	if (spu->irqs[2] != NO_IRQ)
 		free_irq(spu->irqs[2], spu);
 }
-
-static struct list_head spu_list[MAX_NUMNODES];
-static LIST_HEAD(spu_full_list);
-static DEFINE_MUTEX(spu_mutex);
 
 static void spu_init_channels(struct spu *spu)
 {
···
 	struct spu *spu;
 	int ret;
 	static int number;
+	unsigned long flags;
 
 	ret = -ENOMEM;
 	spu = kzalloc(sizeof (*spu), GFP_KERNEL);
···
 		goto out_free_irqs;
 
 	mutex_lock(&spu_mutex);
+	spin_lock_irqsave(&spu_list_lock, flags);
 	list_add(&spu->list, &spu_list[spu->node]);
 	list_add(&spu->full_list, &spu_full_list);
+	spin_unlock_irqrestore(&spu_list_lock, flags);
 	mutex_unlock(&spu_mutex);
 
 	goto out;

arch/powerpc/platforms/cell/spufs/file.c

···
 spufs_mem_read(struct file *file, char __user *buffer,
 				size_t size, loff_t *pos)
 {
-	int ret;
 	struct spu_context *ctx = file->private_data;
+	ssize_t ret;
 
 	spu_acquire(ctx);
 	ret = __spufs_mem_read(ctx, buffer, size, pos);
···
 
 static ssize_t
 spufs_mem_write(struct file *file, const char __user *buffer,
-					size_t size, loff_t *pos)
+					size_t size, loff_t *ppos)
 {
 	struct spu_context *ctx = file->private_data;
 	char *local_store;
+	loff_t pos = *ppos;
 	int ret;
 
-	size = min_t(ssize_t, LS_SIZE - *pos, size);
-	if (size <= 0)
+	if (pos < 0)
+		return -EINVAL;
+	if (pos > LS_SIZE)
 		return -EFBIG;
-	*pos += size;
+	if (size > LS_SIZE - pos)
+		size = LS_SIZE - pos;
 
 	spu_acquire(ctx);
-
 	local_store = ctx->ops->get_ls(ctx);
-	ret = copy_from_user(local_store + *pos - size,
-			     buffer, size) ? -EFAULT : size;
-
+	ret = copy_from_user(local_store + pos, buffer, size);
 	spu_release(ctx);
-	return ret;
+
+	if (ret)
+		return -EFAULT;
+	*ppos = pos + size;
+	return size;
 }
 
 static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma,

arch/powerpc/platforms/cell/spufs/run.c

···
 	int ret;
 	unsigned long runcntl = SPU_RUNCNTL_RUNNABLE;
 
-	ret = spu_acquire_runnable(ctx, SPU_ACTIVATE_NOWAKE);
+	ret = spu_acquire_runnable(ctx, 0);
 	if (ret)
 		return ret;
 
···
 			spu_release(ctx);
 			ret = spu_setup_isolated(ctx);
 			if (!ret)
-				ret = spu_acquire_runnable(ctx, SPU_ACTIVATE_NOWAKE);
+				ret = spu_acquire_runnable(ctx, 0);
 		}
 
 		/* if userspace has set the runcntrl register (eg, to issue an

arch/powerpc/platforms/cell/spufs/sched.c

···
 	mutex_unlock(&spu_prio->active_mutex[node]);
 }
 
-static inline void mm_needs_global_tlbie(struct mm_struct *mm)
-{
-	int nr = (NR_CPUS > 1) ? NR_CPUS : NR_CPUS + 1;
-
-	/* Global TLBIE broadcast required with SPEs. */
-	__cpus_setall(&mm->cpu_vm_mask, nr);
-}
-
 static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier);
 
 static void spu_switch_notify(struct spu *spu, struct spu_context *ctx)
···
 	ctx->spu = spu;
 	ctx->ops = &spu_hw_ops;
 	spu->pid = current->pid;
-	spu->mm = ctx->owner;
-	mm_needs_global_tlbie(spu->mm);
+	spu_associate_mm(spu, ctx->owner);
 	spu->ibox_callback = spufs_ibox_callback;
 	spu->wbox_callback = spufs_wbox_callback;
 	spu->stop_callback = spufs_stop_callback;
···
 	spu->stop_callback = NULL;
 	spu->mfc_callback = NULL;
 	spu->dma_callback = NULL;
-	spu->mm = NULL;
+	spu_associate_mm(spu, NULL);
 	spu->pid = 0;
 	ctx->ops = &spu_backing_ops;
 	ctx->spu = NULL;
···
 {
 	DEFINE_WAIT(wait);
 
-	set_bit(SPU_SCHED_WAKE, &ctx->sched_flags);
 	prepare_to_wait_exclusive(&ctx->stop_wq, &wait, TASK_INTERRUPTIBLE);
 	if (!signal_pending(current)) {
 		mutex_unlock(&ctx->state_mutex);
···
 	}
 	__set_current_state(TASK_RUNNING);
 	remove_wait_queue(&ctx->stop_wq, &wait);
-	clear_bit(SPU_SCHED_WAKE, &ctx->sched_flags);
 }
 
 /**
···
 	best = sched_find_first_bit(spu_prio->bitmap);
 	if (best < MAX_PRIO) {
 		struct spu_context *ctx = spu_grab_context(best);
-		if (ctx && test_bit(SPU_SCHED_WAKE, &ctx->sched_flags))
+		if (ctx)
 			wake_up(&ctx->stop_wq);
 	}
 	spin_unlock(&spu_prio->runq_lock);
···
 		}
 
 		spu_add_to_rq(ctx);
-		if (!(flags & SPU_ACTIVATE_NOWAKE))
-			spu_prio_wait(ctx);
+		spu_prio_wait(ctx);
 		spu_del_from_rq(ctx);
 	} while (!signal_pending(current));
 

arch/powerpc/platforms/cell/spufs/spufs.h

···
 
 /* ctx->sched_flags */
 enum {
-	SPU_SCHED_WAKE = 0,
+	SPU_SCHED_WAKE = 0, /* currently unused */
 };
 
 struct spu_context {
···
 int spu_acquire_runnable(struct spu_context *ctx, unsigned long flags);
 void spu_acquire_saved(struct spu_context *ctx);
 int spu_acquire_exclusive(struct spu_context *ctx);
-enum {
-	SPU_ACTIVATE_NOWAKE = 1,
-};
+
 int spu_activate(struct spu_context *ctx, unsigned long flags);
 void spu_deactivate(struct spu_context *ctx);
 void spu_yield(struct spu_context *ctx);

arch/powerpc/platforms/cell/spufs/switch.c

···
 			 MFC_CNTL_PURGE_DMA_COMPLETE);
 }
 
-static inline void save_mfc_slbs(struct spu_state *csa, struct spu *spu)
-{
-	struct spu_priv2 __iomem *priv2 = spu->priv2;
-	int i;
-
-	/* Save, Step 29:
-	 *     If MFC_SR1[R]='1', save SLBs in CSA.
-	 */
-	if (spu_mfc_sr1_get(spu) & MFC_STATE1_RELOCATE_MASK) {
-		csa->priv2.slb_index_W = in_be64(&priv2->slb_index_W);
-		for (i = 0; i < 8; i++) {
-			out_be64(&priv2->slb_index_W, i);
-			eieio();
-			csa->slb_esid_RW[i] = in_be64(&priv2->slb_esid_RW);
-			csa->slb_vsid_RW[i] = in_be64(&priv2->slb_vsid_RW);
-			eieio();
-		}
-	}
-}
-
 static inline void setup_mfc_sr1(struct spu_state *csa, struct spu *spu)
 {
 	/* Save, Step 30:
···
 	out_be64(&priv2->mfc_control_RW, MFC_CNTL_RESUME_DMA_QUEUE);
 }
 
-static inline void invalidate_slbs(struct spu_state *csa, struct spu *spu)
-{
-	struct spu_priv2 __iomem *priv2 = spu->priv2;
-
-	/* Save, Step 45:
-	 * Restore, Step 19:
-	 *     If MFC_SR1[R]=1, write 0 to SLB_Invalidate_All.
-	 */
-	if (spu_mfc_sr1_get(spu) & MFC_STATE1_RELOCATE_MASK) {
-		out_be64(&priv2->slb_invalidate_all_W, 0UL);
-		eieio();
-	}
-}
-
 static inline void get_kernel_slb(u64 ea, u64 slb[2])
 {
 	u64 llp;
···
 	 *     MFC_SR1[R]=1 (in other words, assume that
 	 *     translation is desired by OS environment).
 	 */
-	invalidate_slbs(csa, spu);
+	spu_invalidate_slbs(spu);
 	get_kernel_slb((unsigned long)&spu_save_code[0], code_slb);
 	get_kernel_slb((unsigned long)csa->lscsa, lscsa_slb);
 	load_mfc_slb(spu, code_slb, 0);
···
 	}
 }
 
-static inline void restore_mfc_slbs(struct spu_state *csa, struct spu *spu)
-{
-	struct spu_priv2 __iomem *priv2 = spu->priv2;
-	int i;
-
-	/* Restore, Step 68:
-	 *     If MFC_SR1[R]='1', restore SLBs from CSA.
-	 */
-	if (csa->priv1.mfc_sr1_RW & MFC_STATE1_RELOCATE_MASK) {
-		for (i = 0; i < 8; i++) {
-			out_be64(&priv2->slb_index_W, i);
-			eieio();
-			out_be64(&priv2->slb_esid_RW, csa->slb_esid_RW[i]);
-			out_be64(&priv2->slb_vsid_RW, csa->slb_vsid_RW[i]);
-			eieio();
-		}
-		out_be64(&priv2->slb_index_W, csa->priv2.slb_index_W);
-		eieio();
-	}
-}
-
 static inline void restore_mfc_sr1(struct spu_state *csa, struct spu *spu)
 {
 	/* Restore, Step 69:
···
 	set_mfc_tclass_id(prev, spu);	/* Step 26. */
 	purge_mfc_queue(prev, spu);	/* Step 27. */
 	wait_purge_complete(prev, spu);	/* Step 28. */
-	save_mfc_slbs(prev, spu);	/* Step 29. */
 	setup_mfc_sr1(prev, spu);	/* Step 30. */
 	save_spu_npc(prev, spu);	/* Step 31. */
 	save_spu_privcntl(prev, spu);	/* Step 32. */
···
 	reset_spu_privcntl(prev, spu);	        /* Step 16. */
 	reset_spu_lslr(prev, spu);              /* Step 17. */
 	setup_mfc_sr1(prev, spu);	        /* Step 18. */
-	invalidate_slbs(prev, spu);	        /* Step 19. */
+	spu_invalidate_slbs(spu);        	/* Step 19. */
 	reset_ch_part1(prev, spu);	        /* Step 20. */
 	reset_ch_part2(prev, spu);	        /* Step 21. */
 	enable_interrupts(prev, spu);	        /* Step 22. */
···
 	restore_spu_mb(next, spu);	        /* Step 65. */
 	check_ppu_mb_stat(next, spu);	        /* Step 66. */
 	check_ppuint_mb_stat(next, spu);	/* Step 67. */
-	restore_mfc_slbs(next, spu);	        /* Step 68. */
+	spu_invalidate_slbs(spu);		/* Modified Step 68. */
 	restore_mfc_sr1(next, spu);	        /* Step 69. */
 	restore_other_spu_access(next, spu);	/* Step 70. */
 	restore_spu_runcntl(next, spu);	        /* Step 71. */

arch/powerpc/platforms/ps3/mm.c

···
 	unsigned long nr_pages;
 
 	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
-		return 0;
+		return -ENODEV;
 
 	BUG_ON(!mem_init_done);
 

arch/powerpc/platforms/ps3/system-bus.c

···
 	int result;
 
 	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
-		return 0;
+		return -ENODEV;
 
 	result = bus_register(&ps3_system_bus_type);
 	BUG_ON(result);

drivers/ps3/ps3av.c

···
 #include <linux/reboot.h>
 #include <linux/kernel.h>
 #include <linux/ioctl.h>
+
+#include <asm/firmware.h>
 #include <asm/lv1call.h>
 #include <asm/ps3av.h>
 #include <asm/ps3.h>
···
 
 static int ps3av_module_init(void)
 {
-	int error = ps3_vuart_port_driver_register(&ps3av_driver);
+	int error;
+
+	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
+		return -ENODEV;
+
+	error = ps3_vuart_port_driver_register(&ps3av_driver);
 	if (error) {
 		printk(KERN_ERR
 		       "%s: ps3_vuart_port_driver_register failed %d\n",

drivers/ps3/sys-manager.c

···
 #include <linux/module.h>
 #include <linux/workqueue.h>
 #include <linux/reboot.h>
+
+#include <asm/firmware.h>
 #include <asm/ps3.h>
+
 #include "vuart.h"
 
 MODULE_AUTHOR("Sony Corporation");
···
 
 static int __init ps3_sys_manager_init(void)
 {
+	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
+		return -ENODEV;
+
 	return ps3_vuart_port_driver_register(&ps3_sys_manager);
 }
 

drivers/ps3/vuart.c

···
 	pr_debug("%s:%d:\n", __func__, __LINE__);
 
 	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
-		return 0;
+		return -ENODEV;
 
 	init_MUTEX(&vuart_bus_priv.probe_mutex);
 	result = bus_register(&ps3_vuart_bus);

include/asm-powerpc/spu.h

···
 int spu_irq_class_1_bottom(struct spu *spu);
 void spu_irq_setaffinity(struct spu *spu, int cpu);
 
+extern void spu_invalidate_slbs(struct spu *spu);
+extern void spu_associate_mm(struct spu *spu, struct mm_struct *mm);
+
+/* Calls from the memory management to the SPU */
+struct mm_struct;
+extern void spu_flush_all_slbs(struct mm_struct *mm);
+
 /* system callbacks from the SPU */
 struct spu_syscall_block {
 	u64 nr_ret;

include/asm-powerpc/spu_csa.h

···
  * @spu_chnlcnt_RW: Array of saved channel counts.
  * @spu_chnldata_RW: Array of saved channel data.
  * @suspend_time: Time stamp when decrementer disabled.
- * @slb_esid_RW: Array of saved SLB esid entries.
- * @slb_vsid_RW: Array of saved SLB vsid entries.
  *
  * Structure representing the whole of the SPU
  * context save area (CSA).  This struct contains
···
 	u32 spu_mailbox_data[4];
 	u32 pu_mailbox_data[1];
 	unsigned long suspend_time;
-	u64 slb_esid_RW[8];
-	u64 slb_vsid_RW[8];
 	spinlock_t register_lock;
 };
 

include/asm-powerpc/systbl.h

···
 SYSCALL_SPU(faccessat)
 COMPAT_SYS_SPU(get_robust_list)
 COMPAT_SYS_SPU(set_robust_list)
-COMPAT_SYS(move_pages)
+COMPAT_SYS_SPU(move_pages)
 SYSCALL_SPU(getcpu)
+COMPAT_SYS(epoll_pwait)

include/asm-powerpc/unistd.h

···
 #define __NR_get_robust_list	299
 #define __NR_set_robust_list	300
 #define __NR_move_pages		301
+#define __NR_getcpu		302
+#define __NR_epoll_pwait	303
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls		302
+#define __NR_syscalls		304
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls