Merge branch 'perf/urgent' into perf/core

Merge in all pending fixes, before pulling the latest development
bits from Arnaldo - which will involve merge conflicts.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

12 files changed, 30 insertions, 13 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b89d7eb730a2..80821512e9cc 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -98,7 +98,7 @@ config PPC
 	select HAVE_FUNCTION_GRAPH_TRACER
 	select SYSCTL_EXCEPTION_TRACE
 	select ARCH_WANT_OPTIONAL_GPIOLIB
-	select HAVE_VIRT_TO_BUS if !PPC64
+	select VIRT_TO_BUS if !PPC64
 	select HAVE_IDE
 	select HAVE_IOREMAP_PROT
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
diff --git a/arch/powerpc/crypto/sha1-powerpc-asm.S b/arch/powerpc/crypto/sha1-powerpc-asm.S
index a5f8264d2d3c..125e16520061 100644
--- a/arch/powerpc/crypto/sha1-powerpc-asm.S
+++ b/arch/powerpc/crypto/sha1-powerpc-asm.S
@@ -113,7 +113,7 @@
 	STEPUP4((t)+16, fn)
 
 _GLOBAL(powerpc_sha_transform)
-	PPC_STLU r1,-STACKFRAMESIZE(r1)
+	PPC_STLU r1,-INT_FRAME_SIZE(r1)
 	SAVE_8GPRS(14, r1)
 	SAVE_10GPRS(22, r1)
 
@@ -175,5 +175,5 @@ _GLOBAL(powerpc_sha_transform)
 
 	REST_8GPRS(14, r1)
 	REST_10GPRS(22, r1)
-	addi	r1,r1,STACKFRAMESIZE
+	addi	r1,r1,INT_FRAME_SIZE
 	blr
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index ef918a2328bb..08bd299c75b1 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -52,8 +52,6 @@
 #define smp_mb__before_clear_bit()	smp_mb()
 #define smp_mb__after_clear_bit()	smp_mb()
 
-#define BITOP_LE_SWIZZLE	((BITS_PER_LONG-1) & ~0x7)
-
 /* Macro for generating the ***_bits() functions */
 #define DEFINE_BITOP(fn, op, prefix, postfix)	\
 static __inline__ void fn(unsigned long mask,	\
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index e66586122030..c9c67fc888c9 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -266,7 +266,8 @@
 #define SPRN_HSRR0	0x13A	/* Hypervisor Save/Restore 0 */
 #define SPRN_HSRR1	0x13B	/* Hypervisor Save/Restore 1 */
 #define SPRN_FSCR	0x099	/* Facility Status & Control Register */
-#define FSCR_TAR	(1<<8)	/* Enable Target Adress Register */
+#define   FSCR_TAR	(1 << (63-55)) /* Enable Target Address Register */
+#define   FSCR_DSCR	(1 << (63-61)) /* Enable Data Stream Control Register */
 #define SPRN_TAR	0x32f	/* Target Address Register */
 #define SPRN_LPCR	0x13E	/* LPAR Control Register */
 #define   LPCR_VPM0	(1ul << (63-0))
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 535b6d8a41cc..ebbec52d21bd 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -358,3 +358,4 @@ SYSCALL_SPU(setns)
 COMPAT_SYS(process_vm_readv)
 COMPAT_SYS(process_vm_writev)
 SYSCALL(finit_module)
+SYSCALL(ni_syscall) /* sys_kcmp */
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index f25b5c45c435..1487f0f12293 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,7 +12,7 @@
 #include <uapi/asm/unistd.h>
 
 
-#define __NR_syscalls		354
+#define __NR_syscalls		355
 
 #define __NR__exit __NR_exit
 #define NR_syscalls	__NR_syscalls
diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h
index 8c478c6c6b1e..74cb4d72d673 100644
--- a/arch/powerpc/include/uapi/asm/unistd.h
+++ b/arch/powerpc/include/uapi/asm/unistd.h
@@ -376,6 +376,7 @@
 #define __NR_process_vm_readv	351
 #define __NR_process_vm_writev	352
 #define __NR_finit_module	353
+#define __NR_kcmp		354
 
 
 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index d29facbf9a28..ea847abb0d0a 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -48,6 +48,7 @@ _GLOBAL(__restore_cpu_power7)
 
 _GLOBAL(__setup_cpu_power8)
 	mflr	r11
+	bl	__init_FSCR
 	bl	__init_hvmode_206
 	mtlr	r11
 	beqlr
@@ -56,13 +57,13 @@ _GLOBAL(__setup_cpu_power8)
 	mfspr	r3,SPRN_LPCR
 	oris	r3, r3, LPCR_AIL_3@h
 	bl	__init_LPCR
-	bl	__init_FSCR
 	bl	__init_TLB
 	mtlr	r11
 	blr
 
 _GLOBAL(__restore_cpu_power8)
 	mflr	r11
+	bl	__init_FSCR
 	mfmsr	r3
 	rldicl.	r0,r3,4,63
 	beqlr
@@ -115,7 +116,7 @@ __init_LPCR:
 
 __init_FSCR:
 	mfspr	r3,SPRN_FSCR
-	ori	r3,r3,FSCR_TAR
+	ori	r3,r3,FSCR_TAR|FSCR_DSCR
 	mtspr	SPRN_FSCR,r3
 	blr
 
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index a8a5361fb70c..87ef8f5ee5bc 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -74,13 +74,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_REAL_LE)				\
 	mflr	r10 ;						\
 	ld	r12,PACAKBASE(r13) ; 				\
 	LOAD_HANDLER(r12, system_call_entry_direct) ;		\
-	mtlr	r12 ;						\
+	mtctr	r12 ;						\
 	mfspr	r12,SPRN_SRR1 ;					\
 	/* Re-use of r13... No spare regs to do this */	\
 	li	r13,MSR_RI ;					\
 	mtmsrd 	r13,1 ;						\
 	GET_PACA(r13) ;	/* get r13 back */			\
-	blr ;
+	bctr ;
 #else
 	/* We can branch directly */
 #define SYSCALL_PSERIES_2_DIRECT				\
diff --git a/arch/powerpc/perf/power7-pmu.c b/arch/powerpc/perf/power7-pmu.c
index b554879bd31e..3c475d6267c7 100644
--- a/arch/powerpc/perf/power7-pmu.c
+++ b/arch/powerpc/perf/power7-pmu.c
@@ -420,7 +420,20 @@ static struct attribute_group power7_pmu_events_group = {
 	.attrs = power7_events_attr,
 };
 
+PMU_FORMAT_ATTR(event, "config:0-19");
+
+static struct attribute *power7_pmu_format_attr[] = {
+	&format_attr_event.attr,
+	NULL,
+};
+
+struct attribute_group power7_pmu_format_group = {
+	.name = "format",
+	.attrs = power7_pmu_format_attr,
+};
+
 static const struct attribute_group *power7_pmu_attr_groups[] = {
+	&power7_pmu_format_group,
 	&power7_pmu_events_group,
 	NULL,
 };
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 863184b182f4..3f3bb4cdbbec 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -749,6 +749,7 @@ static struct file_system_type spufs_type = {
 	.mount = spufs_mount,
 	.kill_sb = kill_litter_super,
 };
+MODULE_ALIAS_FS("spufs");
 
 static int __init spufs_init(void)
 {
diff --git a/arch/powerpc/platforms/pseries/hvcserver.c b/arch/powerpc/platforms/pseries/hvcserver.c
index fcf4b4cbeaf3..4557e91626c4 100644
--- a/arch/powerpc/platforms/pseries/hvcserver.c
+++ b/arch/powerpc/platforms/pseries/hvcserver.c
@@ -23,6 +23,7 @@
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/string.h>
 
 #include <asm/hvcall.h>
 #include <asm/hvcserver.h>
@@ -188,9 +189,9 @@ int hvcs_get_partner_info(uint32_t unit_address, struct list_head *head,
 			= (unsigned int)last_p_partition_ID;
 
 		/* copy the Null-term char too */
-		strncpy(&next_partner_info->location_code[0],
+		strlcpy(&next_partner_info->location_code[0],
 			(char *)&pi_buff[2],
-			strlen((char *)&pi_buff[2]) + 1);
+			sizeof(next_partner_info->location_code));
 
 		list_add_tail(&(next_partner_info->node), head);
 		next_partner_info = NULL;