Merge commit 'v2.6.34-rc1' into perf/urgent

Conflicts:
	tools/perf/util/probe-event.c

Merge reason: Pick up -rc1 and resolve the conflict as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

53 files changed, 314 insertions, 434 deletions

diff --git a/arch/sparc/configs/sparc32_defconfig b/arch/sparc/configs/sparc32_defconfig
index 99a1f191497..6a8d078070c 100644
--- a/arch/sparc/configs/sparc32_defconfig
+++ b/arch/sparc/configs/sparc32_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Mon Jan 11 23:20:31 2010
+# Linux kernel version: 2.6.33
+# Wed Mar  3 02:52:23 2010
 #
 # CONFIG_64BIT is not set
 CONFIG_SPARC=y
@@ -9,6 +9,8 @@ CONFIG_SPARC32=y
 # CONFIG_SPARC64 is not set
 CONFIG_ARCH_DEFCONFIG="arch/sparc/configs/sparc32_defconfig"
 CONFIG_BITS=32
+CONFIG_GENERIC_TIME=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
 CONFIG_AUDIT_ARCH=y
 CONFIG_MMU=y
 CONFIG_HIGHMEM=y
@@ -48,11 +50,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-CONFIG_RT_GROUP_SCHED=y
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -68,6 +65,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -211,7 +209,6 @@ CONFIG_SBUSCHAR=y
 CONFIG_PCI=y
 CONFIG_PCI_SYSCALL=y
 # CONFIG_ARCH_SUPPORTS_MSI is not set
-CONFIG_PCI_LEGACY=y
 # CONFIG_PCI_DEBUG is not set
 # CONFIG_PCI_STUB is not set
 # CONFIG_PCI_IOV is not set
@@ -232,7 +229,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
@@ -379,11 +375,13 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_TIFM_CORE is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_HP_ILO is not set
+# CONFIG_TI_DAC7512 is not set
 # CONFIG_C2PORT is not set
 
 #
 # EEPROM support
 #
+# CONFIG_EEPROM_AT25 is not set
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_CB710_CORE is not set
 CONFIG_HAVE_IDE=y
@@ -507,7 +505,9 @@ CONFIG_SUNQE=m
 # CONFIG_SUNGEM is not set
 # CONFIG_CASSINI is not set
 # CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_ENC28J60 is not set
 # CONFIG_ETHOC is not set
+# CONFIG_GRETH is not set
 # CONFIG_DNET is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
@@ -521,6 +521,7 @@ CONFIG_SUNQE=m
 # CONFIG_NET_PCI is not set
 # CONFIG_B44 is not set
 # CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
 # CONFIG_KS8851_MLL is not set
 # CONFIG_ATL2 is not set
 CONFIG_NETDEV_1000=y
@@ -563,6 +564,7 @@ CONFIG_CHELSIO_T3_DEPENDS=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLCNIC is not set
 # CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_BE2NET is not set
@@ -665,6 +667,7 @@ CONFIG_DEVKMEM=y
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_SUNCORE=y
 CONFIG_SERIAL_SUNZILOG=y
 CONFIG_SERIAL_SUNZILOG_CONSOLE=y
@@ -689,7 +692,23 @@ CONFIG_HW_RANDOM=m
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
 # CONFIG_I2C is not set
-# CONFIG_SPI is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=m
+CONFIG_SPI_XILINX=m
+CONFIG_SPI_XILINX_PLTFM=m
+# CONFIG_SPI_DESIGNWARE is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
 
 #
 # PPS support
@@ -706,10 +725,13 @@ CONFIG_HWMON=y
 #
 # Native drivers
 #
+# CONFIG_SENSORS_ADCXX is not set
 # CONFIG_SENSORS_I5K_AMB is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SIS5595 is not set
@@ -720,6 +742,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_VT8231 is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_SENSORS_LIS3_SPI is not set
 # CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
 CONFIG_SSB_POSSIBLE=y
@@ -736,6 +759,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB4500_CORE is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -743,6 +768,7 @@ CONFIG_SSB_POSSIBLE=y
 # Graphics support
 #
 CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
@@ -808,6 +834,14 @@ CONFIG_RTC_INTF_DEV=y
 #
 # SPI RTC drivers
 #
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1180,9 +1214,11 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_DECOMPRESS=y
 CONFIG_DECOMPRESS_GZIP=y
 CONFIG_DECOMPRESS_BZIP2=y
 CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
diff --git a/arch/sparc/configs/sparc64_defconfig b/arch/sparc/configs/sparc64_defconfig
index 41c5a56aa6f..56e3163673e 100644
--- a/arch/sparc/configs/sparc64_defconfig
+++ b/arch/sparc/configs/sparc64_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Wed Jan 20 16:31:47 2010
+# Linux kernel version: 2.6.33
+# Wed Mar  3 02:54:29 2010
 #
 CONFIG_64BIT=y
 CONFIG_SPARC=y
@@ -55,14 +55,10 @@ CONFIG_TREE_RCU=y
 # CONFIG_RCU_TRACE is not set
 CONFIG_RCU_FANOUT=64
 # CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_RCU_FAST_NO_HZ is not set
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=18
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-CONFIG_RT_GROUP_SCHED=y
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 CONFIG_RELAY=y
@@ -77,6 +73,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 CONFIG_RD_BZIP2=y
 CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -105,7 +102,6 @@ CONFIG_PERF_USE_VMALLOC=y
 # Kernel Performance Events And Counters
 #
 CONFIG_PERF_EVENTS=y
-CONFIG_EVENT_PROFILE=y
 CONFIG_PERF_COUNTERS=y
 # CONFIG_DEBUG_PERF_USE_VMALLOC is not set
 CONFIG_VM_EVENT_COUNTERS=y
@@ -266,7 +262,6 @@ CONFIG_PCI_DOMAINS=y
 CONFIG_PCI_SYSCALL=y
 CONFIG_ARCH_SUPPORTS_MSI=y
 CONFIG_PCI_MSI=y
-# CONFIG_PCI_LEGACY is not set
 # CONFIG_PCI_DEBUG is not set
 # CONFIG_PCI_STUB is not set
 # CONFIG_PCI_IOV is not set
@@ -290,7 +285,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
@@ -425,10 +419,6 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=m
 CONFIG_BLK_DEV_CRYPTOLOOP=m
-
-#
-# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
-#
 # CONFIG_BLK_DEV_DRBD is not set
 CONFIG_BLK_DEV_NBD=m
 # CONFIG_BLK_DEV_SX8 is not set
@@ -677,6 +667,7 @@ CONFIG_SUNGEM=m
 CONFIG_SUNVNET=m
 # CONFIG_NET_VENDOR_3COM is not set
 # CONFIG_ETHOC is not set
+# CONFIG_GRETH is not set
 # CONFIG_DNET is not set
 # CONFIG_NET_TULIP is not set
 # CONFIG_HP100 is not set
@@ -691,6 +682,7 @@ CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_KSZ884X_PCI is not set
 # CONFIG_B44 is not set
 # CONFIG_FORCEDETH is not set
 # CONFIG_E100 is not set
@@ -741,6 +733,7 @@ CONFIG_CHELSIO_T3_DEPENDS=y
 # CONFIG_CHELSIO_T3 is not set
 # CONFIG_ENIC is not set
 # CONFIG_IXGBE is not set
+# CONFIG_IXGBEVF is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
 # CONFIG_VXGE is not set
@@ -751,6 +744,7 @@ CONFIG_NIU=m
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLCNIC is not set
 # CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_BE2NET is not set
@@ -1028,6 +1022,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
 # CONFIG_SENSORS_TMP421 is not set
@@ -1076,6 +1071,7 @@ CONFIG_SSB_POSSIBLE=y
 # Graphics support
 #
 CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
 # CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
@@ -1279,6 +1275,7 @@ CONFIG_SND_ALI5451=m
 # CONFIG_SND_YMFPCI is not set
 CONFIG_SND_USB=y
 # CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_UA101 is not set
 # CONFIG_SND_USB_CAIAQ is not set
 CONFIG_SND_SPARC=y
 # CONFIG_SND_SUN_AMD7930 is not set
@@ -1301,6 +1298,7 @@ CONFIG_USB_HIDDEV=y
 #
 # Special HID drivers
 #
+# CONFIG_HID_3M_PCT is not set
 CONFIG_HID_A4TECH=y
 CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
@@ -1317,14 +1315,19 @@ CONFIG_HID_KENSINGTON=y
 CONFIG_HID_LOGITECH=y
 # CONFIG_LOGITECH_FF is not set
 # CONFIG_LOGIRUMBLEPAD2_FF is not set
+# CONFIG_LOGIG940_FF is not set
 CONFIG_HID_MICROSOFT=y
+# CONFIG_HID_MOSART is not set
 CONFIG_HID_MONTEREY=y
 CONFIG_HID_NTRIG=y
+CONFIG_HID_ORTEK=y
 CONFIG_HID_PANTHERLORD=y
 # CONFIG_PANTHERLORD_FF is not set
 CONFIG_HID_PETALYNX=y
+# CONFIG_HID_QUANTA is not set
 CONFIG_HID_SAMSUNG=y
 CONFIG_HID_SONY=y
+# CONFIG_HID_STANTUM is not set
 CONFIG_HID_SUNPLUS=y
 CONFIG_HID_GREENASIA=y
 # CONFIG_GREENASIA_FF is not set
@@ -1807,6 +1810,7 @@ CONFIG_CRYPTO_MANAGER=y
 CONFIG_CRYPTO_MANAGER2=y
 CONFIG_CRYPTO_GF128MUL=m
 CONFIG_CRYPTO_NULL=m
+# CONFIG_CRYPTO_PCRYPT is not set
 CONFIG_CRYPTO_WORKQUEUE=y
 # CONFIG_CRYPTO_CRYPTD is not set
 CONFIG_CRYPTO_AUTHENC=y
@@ -1904,9 +1908,11 @@ CONFIG_CRC32=y
 CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_DECOMPRESS=y
 CONFIG_DECOMPRESS_GZIP=y
 CONFIG_DECOMPRESS_BZIP2=y
 CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h
index 679c7504625..2889574608d 100644
--- a/arch/sparc/include/asm/io_32.h
+++ b/arch/sparc/include/asm/io_32.h
@@ -249,10 +249,14 @@ extern void iounmap(volatile void __iomem *addr);
 
 #define ioread8(X)			readb(X)
 #define ioread16(X)			readw(X)
+#define ioread16be(X)			__raw_readw(X)
 #define ioread32(X)			readl(X)
+#define ioread32be(X)			__raw_readl(X)
 #define iowrite8(val,X)			writeb(val,X)
 #define iowrite16(val,X)		writew(val,X)
+#define iowrite16be(val,X)		__raw_writew(val,X)
 #define iowrite32(val,X)		writel(val,X)
+#define iowrite32be(val,X)		__raw_writel(val,X)
 
 static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count)
 {
diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h
index 4aee21dc9c6..9517d063c79 100644
--- a/arch/sparc/include/asm/io_64.h
+++ b/arch/sparc/include/asm/io_64.h
@@ -468,10 +468,14 @@ static inline void iounmap(volatile void __iomem *addr)
 
 #define ioread8(X)			readb(X)
 #define ioread16(X)			readw(X)
+#define ioread16be(X)			__raw_readw(X)
 #define ioread32(X)			readl(X)
+#define ioread32be(X)			__raw_readl(X)
 #define iowrite8(val,X)			writeb(val,X)
 #define iowrite16(val,X)		writew(val,X)
+#define iowrite16be(val,X)		__raw_writew(val,X)
 #define iowrite32(val,X)		writel(val,X)
+#define iowrite32be(val,X)		__raw_writel(val,X)
 
 /* Create a virtual mapping cookie for an IO port range */
 extern void __iomem *ioport_map(unsigned long port, unsigned int nr);
diff --git a/arch/sparc/include/asm/perfctr.h b/arch/sparc/include/asm/perfctr.h
index 836873002b7..8d8720a8770 100644
--- a/arch/sparc/include/asm/perfctr.h
+++ b/arch/sparc/include/asm/perfctr.h
@@ -10,8 +10,8 @@
  * from enumeration below.  The meaning of further arguments
  * are determined by the operation code.
  *
- * int sys_perfctr(int opcode, unsigned long arg0,
- *                 unsigned long arg1, unsigned long arg2)
+ * NOTE: This system call is no longer provided, use the perf_events
+ *       infrastructure.
  *
  * Pointers which are passed by the user are pointers to 64-bit
  * integers.
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index e0cabe790ec..77f906d8cc2 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -330,9 +330,9 @@ BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *)
 #define FAULT_CODE_WRITE    0x2
 #define FAULT_CODE_USER     0x4
 
-BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t)
+BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t *)
 
-#define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte)
+#define update_mmu_cache(vma,addr,ptep) BTFIXUP_CALL(update_mmu_cache)(vma,addr,ptep)
 
 BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long,
     unsigned long, unsigned int)
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index f3cb790fa2a..f5b5fa76c02 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -706,7 +706,7 @@ extern unsigned long find_ecache_flush_span(unsigned long size);
 #define mmu_unlockarea(vaddr, len)		do { } while(0)
 
 struct vm_area_struct;
-extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t);
+extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *);
 
 /* Encode and de-code a swap entry */
 #define __swp_type(entry)	(((entry).val >> PAGE_SHIFT) & 0xffUL)
diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h
index e580f5581c8..d1120257b03 100644
--- a/arch/sparc/include/asm/scatterlist.h
+++ b/arch/sparc/include/asm/scatterlist.h
@@ -1,27 +1,8 @@
 #ifndef _SPARC_SCATTERLIST_H
 #define _SPARC_SCATTERLIST_H
 
-#include <asm/page.h>
-#include <asm/types.h>
-
-struct scatterlist {
-#ifdef CONFIG_DEBUG_SG
-	unsigned long	sg_magic;
-#endif
-	unsigned long	page_link;
-	unsigned int	offset;
-
-	unsigned int	length;
-
-	dma_addr_t	dma_address;
-	__u32		dma_length;
-};
-
-#define sg_dma_address(sg)	((sg)->dma_address)
 #define sg_dma_len(sg)     	((sg)->dma_length)
 
-#define ISA_DMA_THRESHOLD	(~0UL)
-
-#define ARCH_HAS_SG_CHAIN
+#include <asm-generic/scatterlist.h>
 
 #endif /* !(_SPARC_SCATTERLIST_H) */
diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h
index 7486c605e23..025a02ad2e3 100644
--- a/arch/sparc/include/asm/syscall.h
+++ b/arch/sparc/include/asm/syscall.h
@@ -5,6 +5,13 @@
 #include <linux/sched.h>
 #include <asm/ptrace.h>
 
+/*
+ * The syscall table always contains 32 bit pointers since we know that the
+ * address of the function to be called is (way) below 4GB.  So the "int"
+ * type here is what we want [need] for both 32 bit and 64 bit systems.
+ */
+extern const unsigned int sys_call_table[];
+
 /* The system call number is given by the user in %g1 */
 static inline long syscall_get_nr(struct task_struct *task,
 				  struct pt_regs *regs)
diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h
index d47a98e6697..d24cfe16afc 100644
--- a/arch/sparc/include/asm/system_64.h
+++ b/arch/sparc/include/asm/system_64.h
@@ -143,15 +143,7 @@ do {						\
 	 * and 2 stores in this critical code path.  -DaveM
 	 */
 #define switch_to(prev, next, last)					\
-do {	if (test_thread_flag(TIF_PERFCTR)) {				\
-		unsigned long __tmp;					\
-		read_pcr(__tmp);					\
-		current_thread_info()->pcr_reg = __tmp;			\
-		read_pic(__tmp);					\
-		current_thread_info()->kernel_cntd0 += (unsigned int)(__tmp);\
-		current_thread_info()->kernel_cntd1 += ((__tmp) >> 32);	\
-	}								\
-	flush_tlb_pending();						\
+do {	flush_tlb_pending();						\
 	save_and_clear_fpu();						\
 	/* If you are tempted to conditionalize the following */	\
 	/* so that ASI is only written if it changes, think again. */	\
@@ -197,11 +189,6 @@ do {	if (test_thread_flag(TIF_PERFCTR)) {				\
 	        "l1", "l2", "l3", "l4", "l5", "l6", "l7",		\
 	  "i0", "i1", "i2", "i3", "i4", "i5",				\
 	  "o0", "o1", "o2", "o3", "o4", "o5",       "o7");		\
-	/* If you fuck with this, update ret_from_syscall code too. */	\
-	if (test_thread_flag(TIF_PERFCTR)) {				\
-		write_pcr(current_thread_info()->pcr_reg);		\
-		reset_pic();						\
-	}								\
 } while(0)
 
 static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val)
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 39be9f256e5..9e2d9447f2a 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -58,11 +58,6 @@ struct thread_info {
 	unsigned long		gsr[7];
 	unsigned long		xfsr[7];
 
-	__u64			__user *user_cntd0;
-	__u64			__user *user_cntd1;
-	__u64			kernel_cntd0, kernel_cntd1;
-	__u64			pcr_reg;
-
 	struct restart_block	restart_block;
 
 	struct pt_regs		*kern_una_regs;
@@ -96,15 +91,10 @@ struct thread_info {
 #define TI_RWIN_SPTRS	0x000003c8
 #define TI_GSR		0x00000400
 #define TI_XFSR		0x00000438
-#define TI_USER_CNTD0	0x00000470
-#define TI_USER_CNTD1	0x00000478
-#define TI_KERN_CNTD0	0x00000480
-#define TI_KERN_CNTD1	0x00000488
-#define TI_PCR		0x00000490
-#define TI_RESTART_BLOCK 0x00000498
-#define TI_KUNA_REGS	0x000004c8
-#define TI_KUNA_INSN	0x000004d0
-#define TI_FPREGS	0x00000500
+#define TI_RESTART_BLOCK 0x00000470
+#define TI_KUNA_REGS	0x000004a0
+#define TI_KUNA_INSN	0x000004a8
+#define TI_FPREGS	0x000004c0
 
 /* We embed this in the uppermost byte of thread_info->flags */
 #define FAULT_CODE_WRITE	0x01	/* Write access, implies D-TLB	   */
@@ -199,7 +189,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
  *
  * On trap return we need to test several values:
  *
- * user:	need_resched, notify_resume, sigpending, wsaved, perfctr
+ * user:	need_resched, notify_resume, sigpending, wsaved
  * kernel:	fpdepth
  *
  * So to check for work in the kernel case we simply load the fpdepth
@@ -220,7 +210,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define TIF_NOTIFY_RESUME	1	/* callback before returning to user */
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
-#define TIF_PERFCTR		4	/* performance counters active */
+/* flag bit 4 is available */
 #define TIF_UNALIGNED		5	/* allowed to do unaligned accesses */
 /* flag bit 6 is available */
 #define TIF_32BIT		7	/* 32-bit binary */
@@ -241,7 +231,6 @@ register struct thread_info *current_thread_info_reg asm("g6");
 #define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
-#define _TIF_PERFCTR		(1<<TIF_PERFCTR)
 #define _TIF_UNALIGNED		(1<<TIF_UNALIGNED)
 #define _TIF_32BIT		(1<<TIF_32BIT)
 #define _TIF_SECCOMP		(1<<TIF_SECCOMP)
@@ -252,7 +241,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
 
 #define _TIF_USER_WORK_MASK	((0xff << TI_FLAG_WSAVED_SHIFT) | \
 				 _TIF_DO_NOTIFY_RESUME_MASK | \
-				 _TIF_NEED_RESCHED | _TIF_PERFCTR)
+				 _TIF_NEED_RESCHED)
 #define _TIF_DO_NOTIFY_RESUME_MASK	(_TIF_NOTIFY_RESUME | _TIF_SIGPENDING)
 
 /*
diff --git a/arch/sparc/kernel/devices.c b/arch/sparc/kernel/devices.c
index b171ae8de90..62dc7a02141 100644
--- a/arch/sparc/kernel/devices.c
+++ b/arch/sparc/kernel/devices.c
@@ -59,7 +59,7 @@ static int __cpu_find_by(int (*compare)(int, int, void *), void *compare_arg,
 
 	cur_inst = 0;
 	for_each_node_by_type(dp, "cpu") {
-		int err = check_cpu_node(dp->node, &cur_inst,
+		int err = check_cpu_node(dp->phandle, &cur_inst,
 					 compare, compare_arg,
 					 prom_node, mid);
 		if (!err) {
@@ -143,6 +143,4 @@ void __init device_scan(void)
 
 	if (ARCH_SUN4C)
 		sun4c_probe_memerr_reg();
-
-	return;
 }
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index 4f53a2395ac..c011b932bb1 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -48,7 +48,6 @@ extern void __init boot_cpu_id_too_large(int cpu);
 extern unsigned int dcache_parity_tl1_occurred;
 extern unsigned int icache_parity_tl1_occurred;
 
-extern asmlinkage void update_perfctrs(void);
 extern asmlinkage void sparc_breakpoint(struct pt_regs *regs);
 extern void timer_interrupt(int irq, struct pt_regs *regs);
 
diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c
index 29973daa993..9103a56b39e 100644
--- a/arch/sparc/kernel/ftrace.c
+++ b/arch/sparc/kernel/ftrace.c
@@ -91,14 +91,3 @@ int __init ftrace_dyn_arch_init(void *data)
 	return 0;
 }
 #endif
-
-#ifdef CONFIG_FTRACE_SYSCALLS
-
-extern unsigned int sys_call_table[];
-
-unsigned long __init arch_syscall_addr(int nr)
-{
-	return (unsigned long)sys_call_table[nr];
-}
-
-#endif
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 87f1760c0aa..0409d62d8ca 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -124,7 +124,7 @@ void __init leon_init_timers(irq_handler_t counter_fn)
 
 		if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) &
 		      (1<<LEON3_GPTIMER_SEPIRQ))) {
-			prom_printf("irq timer not configured with seperate irqs \n");
+			prom_printf("irq timer not configured with separate irqs\n");
 			BUG();
 		}
 
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
index 05c0dadd637..85787577f68 100644
--- a/arch/sparc/kernel/leon_smp.c
+++ b/arch/sparc/kernel/leon_smp.c
@@ -177,7 +177,7 @@ void __init leon_boot_cpus(void)
 	int nrcpu = leon_smp_nrcpus();
 	int me = smp_processor_id();
 
-	printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x \n", (unsigned int)me,
+	printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x\n", (unsigned int)me,
 	       (unsigned int)nrcpu, (unsigned int)NR_CPUS,
 	       (unsigned int)&(leon3_irqctrl_regs->mpstatus));
 
@@ -226,7 +226,7 @@ int __cpuinit leon_boot_one_cpu(int i)
 			break;
 		udelay(200);
 	}
-	printk(KERN_INFO "Started CPU %d \n", (unsigned int)i);
+	printk(KERN_INFO "Started CPU %d\n", (unsigned int)i);
 
 	if (!(cpu_callin_map[i])) {
 		printk(KERN_ERR "Processor %d is stuck.\n", i);
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index d242a734054..b287b62c7ea 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -21,7 +21,6 @@
 
 #include <asm/perf_event.h>
 #include <asm/ptrace.h>
-#include <asm/local.h>
 #include <asm/pcr.h>
 
 /* We don't have a real NMI on sparc64, but we can fake one
@@ -113,13 +112,13 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
 		touched = 1;
 	}
 	if (!touched && __get_cpu_var(last_irq_sum) == sum) {
-		__this_cpu_inc(per_cpu_var(alert_counter));
-		if (__this_cpu_read(per_cpu_var(alert_counter)) == 30 * nmi_hz)
+		__this_cpu_inc(alert_counter);
+		if (__this_cpu_read(alert_counter) == 30 * nmi_hz)
 			die_nmi("BUG: NMI Watchdog detected LOCKUP",
 				regs, panic_on_timeout);
 	} else {
 		__get_cpu_var(last_irq_sum) = sum;
-		__this_cpu_write(per_cpu_var(alert_counter), 0);
+		__this_cpu_write(alert_counter, 0);
 	}
 	if (__get_cpu_var(wd_enabled)) {
 		write_pic(picl_value(nmi_hz));
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index 53a58b34984..da527b33ebc 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -433,7 +433,7 @@ build_resources:
 	if (!parent)
 		dev_set_name(&op->dev, "root");
 	else
-		dev_set_name(&op->dev, "%08x", dp->node);
+		dev_set_name(&op->dev, "%08x", dp->phandle);
 
 	if (of_device_register(op)) {
 		printk("%s: Could not register of device.\n",
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 0a6f2d1798d..b3d4cb5d21b 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -676,7 +676,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp,
 	if (!parent)
 		dev_set_name(&op->dev, "root");
 	else
-		dev_set_name(&op->dev, "%08x", dp->node);
+		dev_set_name(&op->dev, "%08x", dp->phandle);
 
 	if (of_device_register(op)) {
 		printk("%s: Could not register of device.\n",
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 592b03d8516..5ac539a5930 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -722,9 +722,10 @@ void pcibios_update_irq(struct pci_dev *pdev, int irq)
 {
 }
 
-void pcibios_align_resource(void *data, struct resource *res,
-			    resource_size_t size, resource_size_t align)
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
+				resource_size_t size, resource_size_t align)
 {
+	return res->start;
 }
 
 int pcibios_enable_device(struct pci_dev *dev, int mask)
@@ -1094,3 +1095,78 @@ static int __init pcibios_init(void)
 	return 0;
 }
 subsys_initcall(pcibios_init);
+
+#ifdef CONFIG_SYSFS
+static void __devinit pci_bus_slot_names(struct device_node *node,
+					 struct pci_bus *bus)
+{
+	const struct pci_slot_names {
+		u32	slot_mask;
+		char	names[0];
+	} *prop;
+	const char *sp;
+	int len, i;
+	u32 mask;
+
+	prop = of_get_property(node, "slot-names", &len);
+	if (!prop)
+		return;
+
+	mask = prop->slot_mask;
+	sp = prop->names;
+
+	if (ofpci_verbose)
+		printk("PCI: Making slots for [%s] mask[0x%02x]\n",
+		       node->full_name, mask);
+
+	i = 0;
+	while (mask) {
+		struct pci_slot *pci_slot;
+		u32 this_bit = 1 << i;
+
+		if (!(mask & this_bit)) {
+			i++;
+			continue;
+		}
+
+		if (ofpci_verbose)
+			printk("PCI: Making slot [%s]\n", sp);
+
+		pci_slot = pci_create_slot(bus, i, sp, NULL);
+		if (IS_ERR(pci_slot))
+			printk(KERN_ERR "PCI: pci_create_slot returned %ld\n",
+			       PTR_ERR(pci_slot));
+
+		sp += strlen(sp) + 1;
+		mask &= ~this_bit;
+		i++;
+	}
+}
+
+static int __init of_pci_slot_init(void)
+{
+	struct pci_bus *pbus = NULL;
+
+	while ((pbus = pci_find_next_bus(pbus)) != NULL) {
+		struct device_node *node;
+
+		if (pbus->self) {
+			struct dev_archdata *sd = pbus->self->sysdata;
+
+			/* PCI->PCI bridge */
+			node = sd->prom_node;
+		} else {
+			struct pci_pbm_info *pbm = pbus->sysdata;
+
+			/* Host PCI controller */
+			node = pbm->op->node;
+		}
+
+		pci_bus_slot_names(node, pbus);
+	}
+
+	return 0;
+}
+
+module_init(of_pci_slot_init);
+#endif
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 4e2724ec2bb..d36a8d391ca 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -585,8 +585,6 @@ pcic_fill_irq(struct linux_pcic *pcic, struct pci_dev *dev, int node)
 			writew(ivec, pcic->pcic_regs+PCI_INT_SELECT_LO);
 		}
  	}
-
-	return;
 }
 
 /*
@@ -768,9 +766,10 @@ char * __devinit pcibios_setup(char *str)
 	return str;
 }
 
-void pcibios_align_resource(void *data, struct resource *res,
-			    resource_size_t size, resource_size_t align)
+resource_size_t pcibios_align_resource(void *data, const struct resource *res,
+				resource_size_t size, resource_size_t align)
 {
+	return res->start;
 }
 
 int pcibios_enable_device(struct pci_dev *pdev, int mask)
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index cb70476bd8f..a5cf3864b31 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -352,12 +352,6 @@ void exit_thread(void)
 		else
 			t->utraps[0]--;
 	}
-
-	if (test_and_clear_thread_flag(TIF_PERFCTR)) {
-		t->user_cntd0 = t->user_cntd1 = NULL;
-		t->pcr_reg = 0;
-		write_pcr(0);
-	}
 }
 
 void flush_thread(void)
@@ -371,13 +365,6 @@ void flush_thread(void)
 
 	set_thread_wsaved(0);
 
-	/* Turn off performance counters if on. */
-	if (test_and_clear_thread_flag(TIF_PERFCTR)) {
-		t->user_cntd0 = t->user_cntd1 = NULL;
-		t->pcr_reg = 0;
-		write_pcr(0);
-	}
-
 	/* Clear FPU register state. */
 	t->fpsaved[0] = 0;
 	
@@ -591,16 +578,6 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 		t->kregs->u_regs[UREG_FP] =
 		  ((unsigned long) child_sf) - STACK_BIAS;
 
-		/* Special case, if we are spawning a kernel thread from
-		 * a userspace task (usermode helper, NFS or similar), we
-		 * must disable performance counters in the child because
-		 * the address space and protection realm are changing.
-		 */
-		if (t->flags & _TIF_PERFCTR) {
-			t->user_cntd0 = t->user_cntd1 = NULL;
-			t->pcr_reg = 0;
-			t->flags &= ~_TIF_PERFCTR;
-		}
 		t->flags |= ((long)ASI_P << TI_FLAG_CURRENT_DS_SHIFT);
 		t->kregs->u_regs[UREG_G6] = (unsigned long) t;
 		t->kregs->u_regs[UREG_G4] = (unsigned long) t->task;
diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h
index 453397fe5e1..a8591ef2636 100644
--- a/arch/sparc/kernel/prom.h
+++ b/arch/sparc/kernel/prom.h
@@ -4,9 +4,6 @@
 #include <linux/spinlock.h>
 #include <asm/prom.h>
 
-extern struct device_node *allnodes;	/* temporary while merging */
-extern rwlock_t devtree_lock;	/* temporary while merging */
-
 extern void * prom_early_alloc(unsigned long size);
 extern void irq_trans_init(struct device_node *dp);
 
diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c
index d80a65d9e89..57ac9e28be0 100644
--- a/arch/sparc/kernel/prom_common.c
+++ b/arch/sparc/kernel/prom_common.c
@@ -37,18 +37,6 @@ EXPORT_SYMBOL(of_console_path);
 char *of_console_options;
 EXPORT_SYMBOL(of_console_options);
 
-struct device_node *of_find_node_by_phandle(phandle handle)
-{
-	struct device_node *np;
-
-	for (np = allnodes; np; np = np->allnext)
-		if (np->node == handle)
-			break;
-
-	return np;
-}
-EXPORT_SYMBOL(of_find_node_by_phandle);
-
 int of_getintprop_default(struct device_node *np, const char *name, int def)
 {
 	struct property *prop;
@@ -89,7 +77,7 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
 			void *old_val = prop->value;
 			int ret;
 
-			ret = prom_setprop(dp->node, name, val, len);
+			ret = prom_setprop(dp->phandle, name, val, len);
 
 			err = -EINVAL;
 			if (ret >= 0) {
@@ -236,7 +224,7 @@ static struct device_node * __init prom_create_node(phandle node,
 
 	dp->name = get_one_property(node, "name");
 	dp->type = get_one_property(node, "device_type");
-	dp->node = node;
+	dp->phandle = node;
 
 	dp->properties = build_prop_list(node);
 
@@ -313,7 +301,7 @@ void __init prom_build_devicetree(void)
 
 	nextp = &allnodes->allnext;
 	allnodes->child = prom_build_tree(allnodes,
-					  prom_getchild(allnodes->node),
+					  prom_getchild(allnodes->phandle),
 					  &nextp);
 	of_console_init();
 
diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S
index fd3cee4d117..83f1873c6c1 100644
--- a/arch/sparc/kernel/rtrap_64.S
+++ b/arch/sparc/kernel/rtrap_64.S
@@ -65,48 +65,6 @@ __handle_user_windows:
 		ba,pt			%xcc, __handle_user_windows_continue
 
 		 andn			%l1, %l4, %l1
-__handle_perfctrs:
-		call			update_perfctrs
-		 wrpr			%g0, RTRAP_PSTATE, %pstate
-		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
-		ldub			[%g6 + TI_WSAVED], %o2
-		brz,pt			%o2, 1f
-		 nop
-		/* Redo userwin+sched+sig checks */
-		call			fault_in_user_windows
-
-		 wrpr			%g0, RTRAP_PSTATE, %pstate
-		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
-		ldx			[%g6 + TI_FLAGS], %l0
-		andcc			%l0, _TIF_NEED_RESCHED, %g0
-		be,pt			%xcc, 1f
-
-		 nop
-		call			schedule
-		 wrpr			%g0, RTRAP_PSTATE, %pstate
-		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
-		ldx			[%g6 + TI_FLAGS], %l0
-1:		andcc			%l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
-
-		be,pt			%xcc, __handle_perfctrs_continue
-		 sethi			%hi(TSTATE_PEF), %o0
-		mov			%l5, %o1
-		add			%sp, PTREGS_OFF, %o0
-		mov			%l0, %o2
-		call			do_notify_resume
-
-		 wrpr			%g0, RTRAP_PSTATE, %pstate
-		wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
-		/* Signal delivery can modify pt_regs tstate, so we must
-		 * reload it.
-		 */
-		ldx			[%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
-		sethi			%hi(0xf << 20), %l4
-		and			%l1, %l4, %l4
-		andn			%l1, %l4, %l1
-		ba,pt			%xcc, __handle_perfctrs_continue
-
-		 sethi			%hi(TSTATE_PEF), %o0
 __handle_userfpu:
 		rd			%fprs, %l5
 		andcc			%l5, FPRS_FEF, %g0
@@ -149,11 +107,11 @@ rtrap_nmi:	ldx			[%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
 rtrap_irq:
 rtrap:
 #ifndef CONFIG_SMP
-		sethi			%hi(per_cpu____cpu_data), %l0
-		lduw			[%l0 + %lo(per_cpu____cpu_data)], %l1
+		sethi			%hi(__cpu_data), %l0
+		lduw			[%l0 + %lo(__cpu_data)], %l1
 #else
-		sethi			%hi(per_cpu____cpu_data), %l0
-		or			%l0, %lo(per_cpu____cpu_data), %l0
+		sethi			%hi(__cpu_data), %l0
+		or			%l0, %lo(__cpu_data), %l0
 		lduw			[%l0 + %g5], %l1
 #endif
 		cmp			%l1, 0
@@ -191,9 +149,9 @@ rtrap_no_irq_enable:
 		 * take until the next local IRQ before the signal/resched
 		 * event would be handled.
 		 *
-		 * This also means that if we have to deal with performance
-		 * counters or user windows, we have to redo all of these
-		 * sched+signal checks with IRQs disabled.
+		 * This also means that if we have to deal with user
+		 * windows, we have to redo all of these sched+signal checks
+		 * with IRQs disabled.
 		 */
 to_user:	wrpr			%g0, RTRAP_PSTATE_IRQOFF, %pstate
 		wrpr			0, %pil
@@ -214,12 +172,8 @@ __handle_signal_continue:
 		brnz,pn			%o2, __handle_user_windows
 		 nop
 __handle_user_windows_continue:
-		ldx			[%g6 + TI_FLAGS], %l5
-		andcc			%l5, _TIF_PERFCTR, %g0
 		sethi			%hi(TSTATE_PEF), %o0
-		bne,pn			%xcc, __handle_perfctrs
-__handle_perfctrs_continue:
-		 andcc			%l1, %o0, %g0
+		andcc			%l1, %o0, %g0
 
 		/* This fpdepth clear is necessary for non-syscall rtraps only */
 user_nowork:
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index 9be2af55c5c..b22ce610040 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -95,8 +95,6 @@ static void prom_sync_me(void)
 			     "nop\n\t"
 			     "nop\n\t" : : "r" (prom_tbr));
 	local_irq_restore(flags);
-
-	return;
 }
 
 static unsigned int boot_flags __initdata = 0;
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index aa36223497b..eb14844a002 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -370,7 +370,7 @@ static int __cpuinit smp_boot_one_cpu(unsigned int cpu)
 	} else {
 		struct device_node *dp = of_find_node_by_cpuid(cpu);
 
-		prom_startcpu(dp->node, entry, cookie);
+		prom_startcpu(dp->phandle, entry, cookie);
 	}
 
 	for (timeout = 0; timeout < 50000; timeout++) {
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 68791cad7b7..482f2ab9269 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -194,7 +194,7 @@ int __cpuinit smp4d_boot_one_cpu(int i)
 			smp_penguin_ctable.reg_size = 0;
 
 			/* whirrr, whirrr, whirrrrrrrrr... */
-			SMP_PRINTK(("Starting CPU %d at %p \n", i, entry));
+			SMP_PRINTK(("Starting CPU %d at %p\n", i, entry));
 			local_flush_cache_all();
 			prom_startcpu(cpu_node,
 				      &smp_penguin_ctable, 0, (char *)entry);
diff --git a/arch/sparc/kernel/sys32.S b/arch/sparc/kernel/sys32.S
index e7061138c98..46a76ba3fb4 100644
--- a/arch/sparc/kernel/sys32.S
+++ b/arch/sparc/kernel/sys32.S
@@ -51,7 +51,6 @@ SIGN1(sys32_exit_group, sys_exit_group, %o0)
 SIGN1(sys32_wait4, compat_sys_wait4, %o2)
 SIGN1(sys32_creat, sys_creat, %o1)
 SIGN1(sys32_mknod, sys_mknod, %o1)
-SIGN1(sys32_perfctr, sys_perfctr, %o0)
 SIGN1(sys32_umount, sys_umount, %o1)
 SIGN1(sys32_signal, sys_signal, %o0)
 SIGN1(sys32_access, sys_access, %o1)
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index dc0ac197e7e..daded3b9639 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -43,7 +43,6 @@
 #include <linux/security.h>
 #include <linux/compat.h>
 #include <linux/vfs.h>
-#include <linux/netfilter_ipv4/ip_tables.h>
 #include <linux/ptrace.h>
 
 #include <asm/types.h>
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index d77f5431694..cb1bef6f14b 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -27,7 +27,6 @@
 
 #include <asm/uaccess.h>
 #include <asm/utrap.h>
-#include <asm/perfctr.h>
 #include <asm/unistd.h>
 
 #include "entry.h"
@@ -766,109 +765,6 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
 	return ret;
 }
 
-/* Invoked by rtrap code to update performance counters in
- * user space.
- */
-asmlinkage void update_perfctrs(void)
-{
-	unsigned long pic, tmp;
-
-	read_pic(pic);
-	tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic);
-	__put_user(tmp, current_thread_info()->user_cntd0);
-	tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32));
-	__put_user(tmp, current_thread_info()->user_cntd1);
-	reset_pic();
-}
-
-SYSCALL_DEFINE4(perfctr, int, opcode, unsigned long, arg0,
-		unsigned long, arg1, unsigned long, arg2)
-{
-	int err = 0;
-
-	switch(opcode) {
-	case PERFCTR_ON:
-		current_thread_info()->pcr_reg = arg2;
-		current_thread_info()->user_cntd0 = (u64 __user *) arg0;
-		current_thread_info()->user_cntd1 = (u64 __user *) arg1;
-		current_thread_info()->kernel_cntd0 =
-			current_thread_info()->kernel_cntd1 = 0;
-		write_pcr(arg2);
-		reset_pic();
-		set_thread_flag(TIF_PERFCTR);
-		break;
-
-	case PERFCTR_OFF:
-		err = -EINVAL;
-		if (test_thread_flag(TIF_PERFCTR)) {
-			current_thread_info()->user_cntd0 =
-				current_thread_info()->user_cntd1 = NULL;
-			current_thread_info()->pcr_reg = 0;
-			write_pcr(0);
-			clear_thread_flag(TIF_PERFCTR);
-			err = 0;
-		}
-		break;
-
-	case PERFCTR_READ: {
-		unsigned long pic, tmp;
-
-		if (!test_thread_flag(TIF_PERFCTR)) {
-			err = -EINVAL;
-			break;
-		}
-		read_pic(pic);
-		tmp = (current_thread_info()->kernel_cntd0 += (unsigned int)pic);
-		err |= __put_user(tmp, current_thread_info()->user_cntd0);
-		tmp = (current_thread_info()->kernel_cntd1 += (pic >> 32));
-		err |= __put_user(tmp, current_thread_info()->user_cntd1);
-		reset_pic();
-		break;
-	}
-
-	case PERFCTR_CLRPIC:
-		if (!test_thread_flag(TIF_PERFCTR)) {
-			err = -EINVAL;
-			break;
-		}
-		current_thread_info()->kernel_cntd0 =
-			current_thread_info()->kernel_cntd1 = 0;
-		reset_pic();
-		break;
-
-	case PERFCTR_SETPCR: {
-		u64 __user *user_pcr = (u64 __user *)arg0;
-
-		if (!test_thread_flag(TIF_PERFCTR)) {
-			err = -EINVAL;
-			break;
-		}
-		err |= __get_user(current_thread_info()->pcr_reg, user_pcr);
-		write_pcr(current_thread_info()->pcr_reg);
-		current_thread_info()->kernel_cntd0 =
-			current_thread_info()->kernel_cntd1 = 0;
-		reset_pic();
-		break;
-	}
-
-	case PERFCTR_GETPCR: {
-		u64 __user *user_pcr = (u64 __user *)arg0;
-
-		if (!test_thread_flag(TIF_PERFCTR)) {
-			err = -EINVAL;
-			break;
-		}
-		err |= __put_user(current_thread_info()->pcr_reg, user_pcr);
-		break;
-	}
-
-	default:
-		err = -EINVAL;
-		break;
-	};
-	return err;
-}
-
 /*
  * Do a system call from kernel instead of calling sys_execve so we
  * end up with proper pt_regs.
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index dc4a458f74d..1d7e274f3f2 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -110,31 +110,12 @@ sys_clone:
 
 	.globl	ret_from_syscall
 ret_from_syscall:
-	/* Clear current_thread_info()->new_child, and
-	 * check performance counter stuff too.
-	 */
+	/* Clear current_thread_info()->new_child. */
 	stb	%g0, [%g6 + TI_NEW_CHILD]
 	ldx	[%g6 + TI_FLAGS], %l0
 	call	schedule_tail
 	 mov	%g7, %o0
-	andcc	%l0, _TIF_PERFCTR, %g0
-	be,pt	%icc, 1f
-	 nop
-	ldx	[%g6 + TI_PCR], %o7
-	wr	%g0, %o7, %pcr
-
-	/* Blackbird errata workaround.  See commentary in
-	 * smp.c:smp_percpu_timer_interrupt() for more
-	 * information.
-	 */
-	ba,pt	%xcc, 99f
-	 nop
-
-	.align	64
-99:	wr	%g0, %g0, %pic
-	rd	%pic, %g0
-
-1:	ba,pt	%xcc, ret_sys_call
+	ba,pt	%xcc, ret_sys_call
 	 ldx	[%sp + PTREGS_OFF + PT_V9_I0], %o0
 
 	.globl	sparc_exit
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index d2f999ae2b8..68312fe8da7 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -36,8 +36,6 @@ extern asmlinkage long sys_rt_sigaction(int sig,
 					struct sigaction __user *oact,
 					void __user *restorer,
 					size_t sigsetsize);
-extern asmlinkage long sys_perfctr(int opcode, unsigned long arg0,
-				   unsigned long arg1, unsigned long arg2);
 
 extern asmlinkage void sparc64_set_context(struct pt_regs *regs);
 extern asmlinkage void sparc64_get_context(struct pt_regs *regs);
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index e575b46bd7a..17614251fb6 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -21,7 +21,7 @@ sys_call_table32:
 /*0*/	.word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
 /*5*/	.word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
 /*10*/  .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
-/*15*/	.word sys_chmod, sys_lchown16, sys_brk, sys32_perfctr, sys32_lseek
+/*15*/	.word sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, sys32_lseek
 /*20*/	.word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
 /*25*/	.word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause
 /*30*/	.word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
@@ -96,7 +96,7 @@ sys_call_table:
 /*0*/	.word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
 /*5*/	.word sys_open, sys_close, sys_wait4, sys_creat, sys_link
 /*10*/  .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
-/*15*/	.word sys_chmod, sys_lchown, sys_brk, sys_perfctr, sys_lseek
+/*15*/	.word sys_chmod, sys_lchown, sys_brk, sys_nis_syscall, sys_lseek
 /*20*/	.word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
 /*25*/	.word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
 /*30*/	.word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index 10f7bb9fc14..bdc05a21908 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -2548,15 +2548,6 @@ void __init trap_init(void)
 					       rwbuf_stkptrs) ||
 		     TI_GSR != offsetof(struct thread_info, gsr) ||
 		     TI_XFSR != offsetof(struct thread_info, xfsr) ||
-		     TI_USER_CNTD0 != offsetof(struct thread_info,
-					       user_cntd0) ||
-		     TI_USER_CNTD1 != offsetof(struct thread_info,
-					       user_cntd1) ||
-		     TI_KERN_CNTD0 != offsetof(struct thread_info,
-					       kernel_cntd0) ||
-		     TI_KERN_CNTD1 != offsetof(struct thread_info,
-					       kernel_cntd1) ||
-		     TI_PCR != offsetof(struct thread_info, pcr_reg) ||
 		     TI_PRE_COUNT != offsetof(struct thread_info,
 					      preempt_count) ||
 		     TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index 378ca82b9cc..ebce43018c4 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -21,6 +21,7 @@
 #include <linux/smp.h>
 #include <linux/bitops.h>
 #include <linux/perf_event.h>
+#include <linux/ratelimit.h>
 #include <asm/fpumacro.h>
 
 enum direction {
@@ -274,13 +275,9 @@ static void kernel_mna_trap_fault(int fixup_tstate_asi)
 
 static void log_unaligned(struct pt_regs *regs)
 {
-	static unsigned long count, last_time;
+	static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
 
-	if (time_after(jiffies, last_time + 5 * HZ))
-		count = 0;
-	if (count < 5) {
-		last_time = jiffies;
-		count++;
+	if (__ratelimit(&ratelimit)) {
 		printk("Kernel unaligned access at TPC[%lx] %pS\n",
 		       regs->tpc, (void *) regs->tpc);
 	}
@@ -636,7 +633,6 @@ daex:
 		return;
 	}
 	advance(regs);
-	return;
 }
 
 void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr)
@@ -685,5 +681,4 @@ daex:
 		return;
 	}
 	advance(regs);
-	return;
 }
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index a3413acb8f1..bd8601601af 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -35,6 +35,8 @@
 
 extern int prom_node_root;
 
+int show_unhandled_signals = 1;
+
 /* At boot time we determine these two values necessary for setting
  * up the segment maps and page table entries (pte's).
  */
@@ -149,6 +151,45 @@ asmlinkage int lookup_fault(unsigned long pc, unsigned long ret_pc,
 	return 0;
 }
 
+static inline void
+show_signal_msg(struct pt_regs *regs, int sig, int code,
+		unsigned long address, struct task_struct *tsk)
+{
+	if (!unhandled_signal(tsk, sig))
+		return;
+
+	if (!printk_ratelimit())
+		return;
+
+	printk("%s%s[%d]: segfault at %lx ip %p (rpc %p) sp %p error %x",
+	       task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
+	       tsk->comm, task_pid_nr(tsk), address,
+	       (void *)regs->pc, (void *)regs->u_regs[UREG_I7],
+	       (void *)regs->u_regs[UREG_FP], code);
+
+	print_vma_addr(KERN_CONT " in ", regs->pc);
+
+	printk(KERN_CONT "\n");
+}
+
+static void __do_fault_siginfo(int code, int sig, struct pt_regs *regs,
+			       unsigned long addr)
+{
+	siginfo_t info;
+
+	info.si_signo = sig;
+	info.si_code = code;
+	info.si_errno = 0;
+	info.si_addr = (void __user *) addr;
+	info.si_trapno = 0;
+
+	if (unlikely(show_unhandled_signals))
+		show_signal_msg(regs, sig, info.si_code,
+				addr, current);
+
+	force_sig_info (sig, &info, current);
+}
+
 extern unsigned long safe_compute_effective_address(struct pt_regs *,
 						    unsigned int);
 
@@ -168,6 +209,14 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault)
 	return safe_compute_effective_address(regs, insn);
 }
 
+static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
+				      int text_fault)
+{
+	unsigned long addr = compute_si_addr(regs, text_fault);
+
+	__do_fault_siginfo(code, sig, regs, addr);
+}
+
 asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
 			       unsigned long address)
 {
@@ -176,9 +225,8 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
 	struct mm_struct *mm = tsk->mm;
 	unsigned int fixup;
 	unsigned long g2;
-	siginfo_t info;
 	int from_user = !(regs->psr & PSR_PS);
-	int fault;
+	int fault, code;
 
 	if(text_fault)
 		address = regs->pc;
@@ -195,7 +243,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
 	if (!ARCH_SUN4C && address >= TASK_SIZE)
 		goto vmalloc_fault;
 
-	info.si_code = SEGV_MAPERR;
+	code = SEGV_MAPERR;
 
 	/*
 	 * If we're in an interrupt or have no user
@@ -229,7 +277,7 @@ asmlinkage void do_sparc_fault(struct pt_regs *regs, int text_fault, int write,
 	 * we can handle it..
 	 */
 good_area:
-	info.si_code = SEGV_ACCERR;
+	code = SEGV_ACCERR;
 	if(write) {
 		if(!(vma->vm_flags & VM_WRITE))
 			goto bad_area;
@@ -273,18 +321,8 @@ bad_area:
 
 bad_area_nosemaphore:
 	/* User mode accesses just cause a SIGSEGV */
-	if(from_user) {
-#if 0
-		printk("Fault whee %s [%d]: segfaults at %08lx pc=%08lx\n",
-		       tsk->comm, tsk->pid, address, regs->pc);
-#endif
-		info.si_signo = SIGSEGV;
-		info.si_errno = 0;
-		/* info.si_code set above to make clear whether
-		   this was a SEGV_MAPERR or SEGV_ACCERR fault.  */
-		info.si_addr = (void __user *)compute_si_addr(regs, text_fault);
-		info.si_trapno = 0;
-		force_sig_info (SIGSEGV, &info, tsk);
+	if (from_user) {
+		do_fault_siginfo(code, SIGSEGV, regs, text_fault);
 		return;
 	}
 
@@ -335,12 +373,7 @@ out_of_memory:
 
 do_sigbus:
 	up_read(&mm->mmap_sem);
-	info.si_signo = SIGBUS;
-	info.si_errno = 0;
-	info.si_code = BUS_ADRERR;
-	info.si_addr = (void __user *) compute_si_addr(regs, text_fault);
-	info.si_trapno = 0;
-	force_sig_info (SIGBUS, &info, tsk);
+	do_fault_siginfo(BUS_ADRERR, SIGBUS, regs, text_fault);
 	if (!from_user)
 		goto no_context;
 
@@ -378,7 +411,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write,
 			       unsigned long address)
 {
 	extern void sun4c_update_mmu_cache(struct vm_area_struct *,
-					   unsigned long,pte_t);
+					   unsigned long,pte_t *);
 	extern pte_t *sun4c_pte_offset_kernel(pmd_t *,unsigned long);
 	struct task_struct *tsk = current;
 	struct mm_struct *mm = tsk->mm;
@@ -455,7 +488,7 @@ asmlinkage void do_sun4c_fault(struct pt_regs *regs, int text_fault, int write,
 		 *       on the CPU and doing a shrink_mmap() on this vma.
 		 */
 		sun4c_update_mmu_cache (find_vma(current->mm, address), address,
-					*ptep);
+					ptep);
 	else
 		do_sparc_fault(regs, text_fault, write, address);
 }
@@ -466,14 +499,10 @@ static void force_user_fault(unsigned long address, int write)
 	struct vm_area_struct *vma;
 	struct task_struct *tsk = current;
 	struct mm_struct *mm = tsk->mm;
-	siginfo_t info;
+	int code;
 
-	info.si_code = SEGV_MAPERR;
+	code = SEGV_MAPERR;
 
-#if 0
-	printk("wf<pid=%d,wr=%d,addr=%08lx>\n",
-	       tsk->pid, write, address);
-#endif
 	down_read(&mm->mmap_sem);
 	vma = find_vma(mm, address);
 	if(!vma)
@@ -485,7 +514,7 @@ static void force_user_fault(unsigned long address, int write)
 	if(expand_stack(vma, address))
 		goto bad_area;
 good_area:
-	info.si_code = SEGV_ACCERR;
+	code = SEGV_ACCERR;
 	if(write) {
 		if(!(vma->vm_flags & VM_WRITE))
 			goto bad_area;
@@ -502,27 +531,12 @@ good_area:
 	return;
 bad_area:
 	up_read(&mm->mmap_sem);
-#if 0
-	printk("Window whee %s [%d]: segfaults at %08lx\n",
-	       tsk->comm, tsk->pid, address);
-#endif
-	info.si_signo = SIGSEGV;
-	info.si_errno = 0;
-	/* info.si_code set above to make clear whether
-	   this was a SEGV_MAPERR or SEGV_ACCERR fault.  */
-	info.si_addr = (void __user *) address;
-	info.si_trapno = 0;
-	force_sig_info (SIGSEGV, &info, tsk);
+	__do_fault_siginfo(code, SIGSEGV, tsk->thread.kregs, address);
 	return;
 
 do_sigbus:
 	up_read(&mm->mmap_sem);
-	info.si_signo = SIGBUS;
-	info.si_errno = 0;
-	info.si_code = BUS_ADRERR;
-	info.si_addr = (void __user *) address;
-	info.si_trapno = 0;
-	force_sig_info (SIGBUS, &info, tsk);
+	__do_fault_siginfo(BUS_ADRERR, SIGBUS, tsk->thread.kregs, address);
 }
 
 void window_overflow_fault(void)
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index b9d4ff02b8f..f92ce56a8b2 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -32,6 +32,8 @@
 #include <asm/sections.h>
 #include <asm/mmu_context.h>
 
+int show_unhandled_signals = 1;
+
 static inline __kprobes int notify_page_fault(struct pt_regs *regs)
 {
 	int ret = 0;
@@ -128,22 +130,48 @@ outret:
 	return insn;
 }
 
+static inline void
+show_signal_msg(struct pt_regs *regs, int sig, int code,
+		unsigned long address, struct task_struct *tsk)
+{
+	if (!unhandled_signal(tsk, sig))
+		return;
+
+	if (!printk_ratelimit())
+		return;
+
+	printk("%s%s[%d]: segfault at %lx ip %p (rpc %p) sp %p error %x",
+	       task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
+	       tsk->comm, task_pid_nr(tsk), address,
+	       (void *)regs->tpc, (void *)regs->u_regs[UREG_I7],
+	       (void *)regs->u_regs[UREG_FP], code);
+
+	print_vma_addr(KERN_CONT " in ", regs->tpc);
+
+	printk(KERN_CONT "\n");
+}
+
 extern unsigned long compute_effective_address(struct pt_regs *, unsigned int, unsigned int);
 
 static void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
 			     unsigned int insn, int fault_code)
 {
+	unsigned long addr;
 	siginfo_t info;
 
 	info.si_code = code;
 	info.si_signo = sig;
 	info.si_errno = 0;
 	if (fault_code & FAULT_CODE_ITLB)
-		info.si_addr = (void __user *) regs->tpc;
+		addr = regs->tpc;
 	else
-		info.si_addr = (void __user *)
-			compute_effective_address(regs, insn, 0);
+		addr = compute_effective_address(regs, insn, 0);
+	info.si_addr = (void __user *) addr;
 	info.si_trapno = 0;
+
+	if (unlikely(show_unhandled_signals))
+		show_signal_msg(regs, sig, code, addr, current);
+
 	force_sig_info(sig, &info, current);
 }
 
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 1886d37d411..9245a822a2f 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -289,12 +289,13 @@ static void flush_dcache(unsigned long pfn)
 	}
 }
 
-void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 	struct mm_struct *mm;
 	struct tsb *tsb;
 	unsigned long tag, flags;
 	unsigned long tsb_index, tsb_hash_shift;
+	pte_t pte = *ptep;
 
 	if (tlb_type != hypervisor) {
 		unsigned long pfn = pte_pfn(pte);
diff --git a/arch/sparc/mm/nosun4c.c b/arch/sparc/mm/nosun4c.c
index 196263f895b..4e62c27147c 100644
--- a/arch/sparc/mm/nosun4c.c
+++ b/arch/sparc/mm/nosun4c.c
@@ -62,7 +62,7 @@ pte_t *sun4c_pte_offset_kernel(pmd_t *dir, unsigned long address)
 	return NULL;
 }
 
-void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 }
 
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 367321a030d..df49b200ca4 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -694,7 +694,7 @@ extern void tsunami_setup_blockops(void);
  * The following code is a deadwood that may be necessary when
  * we start to make precise page flushes again. --zaitcev
  */
-static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t pte)
+static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long address, pte_t *ptep)
 {
 #if 0
 	static unsigned long last;
@@ -703,10 +703,10 @@ static void swift_update_mmu_cache(struct vm_area_struct * vma, unsigned long ad
 
 	if (address == last) {
 		val = srmmu_hwprobe(address);
-		if (val != 0 && pte_val(pte) != val) {
+		if (val != 0 && pte_val(*ptep) != val) {
 			printk("swift_update_mmu_cache: "
 			    "addr %lx put %08x probed %08x from %p\n",
-			    address, pte_val(pte), val,
+			    address, pte_val(*ptep), val,
 			    __builtin_return_address(0));
 			srmmu_flush_whole_tlb();
 		}
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index a89baf0d875..18652534b91 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -1887,7 +1887,7 @@ static void sun4c_check_pgt_cache(int low, int high)
 /* An experiment, turn off by default for now... -DaveM */
 #define SUN4C_PRELOAD_PSEG
 
-void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
+void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
 {
 	unsigned long flags;
 	int pseg;
@@ -1929,7 +1929,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p
 			start += PAGE_SIZE;
 		}
 #ifndef SUN4C_PRELOAD_PSEG
-		sun4c_put_pte(address, pte_val(pte));
+		sun4c_put_pte(address, pte_val(*ptep));
 #endif
 		local_irq_restore(flags);
 		return;
@@ -1940,7 +1940,7 @@ void sun4c_update_mmu_cache(struct vm_area_struct *vma, unsigned long address, p
 		add_lru(entry);
 	}
 
-	sun4c_put_pte(address, pte_val(pte));
+	sun4c_put_pte(address, pte_val(*ptep));
 	local_irq_restore(flags);
 }
 
diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c
index b3075d73fc1..5340264b78f 100644
--- a/arch/sparc/prom/console_32.c
+++ b/arch/sparc/prom/console_32.c
@@ -94,5 +94,4 @@ void
 prom_putchar(char c)
 {
 	while(prom_nbputchar(c) == -1) ;
-	return;
 }
diff --git a/arch/sparc/prom/console_64.c b/arch/sparc/prom/console_64.c
index e1c3fc87484..f55d58a8a15 100644
--- a/arch/sparc/prom/console_64.c
+++ b/arch/sparc/prom/console_64.c
@@ -62,7 +62,6 @@ void
 prom_putchar(char c)
 {
 	prom_nbputchar(c);
-	return;
 }
 
 void
diff --git a/arch/sparc/prom/devmap.c b/arch/sparc/prom/devmap.c
index 1e517915b0d..46157d2aba0 100644
--- a/arch/sparc/prom/devmap.c
+++ b/arch/sparc/prom/devmap.c
@@ -50,5 +50,4 @@ prom_unmapio(char *vaddr, unsigned int num_bytes)
 	(*(romvec->pv_v2devops.v2_dumb_munmap))(vaddr, num_bytes);
 	restore_current();
 	spin_unlock_irqrestore(&prom_lock, flags);
-	return;
 }
diff --git a/arch/sparc/prom/devops_32.c b/arch/sparc/prom/devops_32.c
index 9f1a95c91ad..9c5d4687242 100644
--- a/arch/sparc/prom/devops_32.c
+++ b/arch/sparc/prom/devops_32.c
@@ -84,6 +84,4 @@ prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
 	};
 	restore_current();
 	spin_unlock_irqrestore(&prom_lock, flags);
-
-	return;
 }
diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c
index 6193c33ed4d..ccb36c7f9b8 100644
--- a/arch/sparc/prom/init_32.c
+++ b/arch/sparc/prom/init_32.c
@@ -75,5 +75,4 @@ void __init prom_init(struct linux_romvec *rp)
 	       romvec->pv_romvers, prom_rev);
 
 	/* Initialization successful. */
-	return;
 }
diff --git a/arch/sparc/prom/p1275.c b/arch/sparc/prom/p1275.c
index 4b7c937bba6..2d8b70d397f 100644
--- a/arch/sparc/prom/p1275.c
+++ b/arch/sparc/prom/p1275.c
@@ -32,10 +32,9 @@ extern void prom_cif_interface(void);
 extern void prom_cif_callback(void);
 
 /*
- * This provides SMP safety on the p1275buf. prom_callback() drops this lock
- * to allow recursuve acquisition.
+ * This provides SMP safety on the p1275buf.
  */
-DEFINE_SPINLOCK(prom_entry_lock);
+DEFINE_RAW_SPINLOCK(prom_entry_lock);
 
 long p1275_cmd(const char *service, long fmt, ...)
 {
@@ -47,7 +46,9 @@ long p1275_cmd(const char *service, long fmt, ...)
 	
 	p = p1275buf.prom_buffer;
 
-	spin_lock_irqsave(&prom_entry_lock, flags);
+	raw_local_save_flags(flags);
+	raw_local_irq_restore(PIL_NMI);
+	raw_spin_lock(&prom_entry_lock);
 
 	p1275buf.prom_args[0] = (unsigned long)p;		/* service */
 	strcpy (p, service);
@@ -139,7 +140,8 @@ long p1275_cmd(const char *service, long fmt, ...)
 	va_end(list);
 	x = p1275buf.prom_args [nargs + 3];
 
-	spin_unlock_irqrestore(&prom_entry_lock, flags);
+	raw_spin_unlock(&prom_entry_lock);
+	raw_local_irq_restore(flags);
 
 	return x;
 }
diff --git a/arch/sparc/prom/palloc.c b/arch/sparc/prom/palloc.c
index 20be339cc2c..2e2a88b211f 100644
--- a/arch/sparc/prom/palloc.c
+++ b/arch/sparc/prom/palloc.c
@@ -40,5 +40,4 @@ prom_free(char *vaddr, unsigned int num_bytes)
 {
 	if((prom_vers == PROM_V0) || (num_bytes == 0x0)) return;
 	(*(romvec->pv_v2devops.v2_dumb_mem_free))(vaddr, num_bytes);
-	return;
 }
diff --git a/arch/sparc/prom/ranges.c b/arch/sparc/prom/ranges.c
index cd5790853ff..aeff43e44e4 100644
--- a/arch/sparc/prom/ranges.c
+++ b/arch/sparc/prom/ranges.c
@@ -87,8 +87,6 @@ void __init prom_ranges_init(void)
 
 	if(num_obio_ranges)
 		prom_printf("PROMLIB: obio_ranges %d\n", num_obio_ranges);
-
-	return;
 }
 
 void
diff --git a/arch/sparc/prom/segment.c b/arch/sparc/prom/segment.c
index 04fd03a7f92..86a663f1d3c 100644
--- a/arch/sparc/prom/segment.c
+++ b/arch/sparc/prom/segment.c
@@ -25,5 +25,4 @@ prom_putsegment(int ctx, unsigned long vaddr, int segment)
 	(*(romvec->pv_setctxt))(ctx, (char *) vaddr, segment);
 	restore_current();
 	spin_unlock_irqrestore(&prom_lock, flags);
-	return;
 }
diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c
index 646d244b1fd..b21592f8e3f 100644
--- a/arch/sparc/prom/tree_32.c
+++ b/arch/sparc/prom/tree_32.c
@@ -173,7 +173,6 @@ void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size)
 	len = prom_getproperty(node, prop, user_buf, ubuf_size);
 	if(len != -1) return;
 	user_buf[0] = 0;
-	return;
 }
 EXPORT_SYMBOL(prom_getstring);
 
diff --git a/arch/sparc/prom/tree_64.c b/arch/sparc/prom/tree_64.c
index 8ea73ddc61d..3c0d2dd9f69 100644
--- a/arch/sparc/prom/tree_64.c
+++ b/arch/sparc/prom/tree_64.c
@@ -154,7 +154,6 @@ void prom_getstring(int node, const char *prop, char *user_buf, int ubuf_size)
 	len = prom_getproperty(node, prop, user_buf, ubuf_size);
 	if(len != -1) return;
 	user_buf[0] = 0;
-	return;
 }
 EXPORT_SYMBOL(prom_getstring);