Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

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

12 files changed, 20 insertions, 12 deletions

diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 1f88edd4572a..9a0d6d706443 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -7,7 +7,7 @@ extra-y := init_task.o vmlinux.lds
 obj-y := \
 	entry.o process.o bfin_ksyms.o ptrace.o setup.o signal.o \
 	sys_bfin.o traps.o irqchip.o dma-mapping.o flat.o \
-	fixed_code.o reboot.o bfin_gpio.o bfin_dma_5xx.o \
+	fixed_code.o reboot.o bfin_gpio.o bfin_dma.o \
 	exception.o dumpstack.o
 
 ifeq ($(CONFIG_GENERIC_CLOCKEVENTS),y)
diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index 17e35465a416..37fcae950216 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -14,6 +14,7 @@
 #include <linux/irq.h>
 #include <linux/thread_info.h>
 #include <linux/kbuild.h>
+#include <asm/pda.h>
 
 int main(void)
 {
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma.c
index 71dbaa4a48af..40c2ed61258e 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma.c
@@ -1,5 +1,5 @@
 /*
- * bfin_dma_5xx.c - Blackfin DMA implementation
+ * bfin_dma.c - Blackfin DMA implementation
  *
  * Copyright 2004-2008 Analog Devices Inc.
  *
@@ -218,6 +218,9 @@ int blackfin_dma_suspend(void)
 			dma_ch[i].saved_peripheral_map = dma_ch[i].regs->peripheral_map;
 	}
 
+#if ANOMALY_05000480
+	bfin_write_DMAC_TC_PER(0x0);
+#endif
 	return 0;
 }
 
@@ -231,6 +234,9 @@ void blackfin_dma_resume(void)
 		if (i < MAX_DMA_SUSPEND_CHANNELS)
 			dma_ch[i].regs->peripheral_map = dma_ch[i].saved_peripheral_map;
 	}
+#if ANOMALY_05000480
+	bfin_write_DMAC_TC_PER(0x0111);
+#endif
 }
 #endif
 
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
index 8de92299b3ee..b56bd8514b7c 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
@@ -120,6 +120,7 @@ MGR_ATTR static noinline int dcplb_miss(unsigned int cpu)
 		d_data = L2_DMEMORY;
 	} else if (addr >= physical_mem_end) {
 		if (addr >= ASYNC_BANK0_BASE && addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE) {
+#if defined(CONFIG_ROMFS_ON_MTD) && defined(CONFIG_MTD_ROM)
 			mask = current_rwx_mask[cpu];
 			if (mask) {
 				int page = (addr - (ASYNC_BANK0_BASE - _ramend)) >> PAGE_SHIFT;
@@ -129,6 +130,7 @@ MGR_ATTR static noinline int dcplb_miss(unsigned int cpu)
 				if (mask[idx] & bit)
 					d_data |= CPLB_USER_RD;
 			}
+#endif
 		} else if (addr >= BOOT_ROM_START && addr < BOOT_ROM_START + BOOT_ROM_LENGTH
 		    && (status & (FAULT_RW | FAULT_USERSUPV)) == FAULT_USERSUPV) {
 			addr &= ~(1 * 1024 * 1024 - 1);
diff --git a/arch/blackfin/kernel/ipipe.c b/arch/blackfin/kernel/ipipe.c
index dbe11220cc53..f657b38163e3 100644
--- a/arch/blackfin/kernel/ipipe.c
+++ b/arch/blackfin/kernel/ipipe.c
@@ -31,7 +31,6 @@
 #include <linux/kthread.h>
 #include <linux/unistd.h>
 #include <linux/io.h>
-#include <asm/system.h>
 #include <linux/atomic.h>
 #include <asm/irq_handler.h>
 
diff --git a/arch/blackfin/kernel/kgdb_test.c b/arch/blackfin/kernel/kgdb_test.c
index 4a7dcfea98af..18ab004aea1c 100644
--- a/arch/blackfin/kernel/kgdb_test.c
+++ b/arch/blackfin/kernel/kgdb_test.c
@@ -13,7 +13,6 @@
 
 #include <asm/current.h>
 #include <asm/uaccess.h>
-#include <asm/system.h>
 
 #include <asm/blackfin.h>
 
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 8dd0416673cb..c0f4fe287eb6 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -19,6 +19,7 @@
 #include <asm/blackfin.h>
 #include <asm/fixed_code.h>
 #include <asm/mem_map.h>
+#include <asm/irq.h>
 
 asmlinkage void ret_from_fork(void);
 
@@ -94,9 +95,7 @@ void cpu_idle(void)
 			idle();
 		rcu_idle_exit();
 		tick_nohz_idle_exit();
-		preempt_enable_no_resched();
-		schedule();
-		preempt_disable();
+		schedule_preempt_disabled();
 	}
 }
 
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index 75089f80855d..e1f88e028cfe 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -20,7 +20,6 @@
 
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/processor.h>
 #include <asm/asm-offsets.h>
 #include <asm/dma.h>
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index c4c0081b1996..b0434f89e8de 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -9,7 +9,6 @@
 #include <linux/interrupt.h>
 #include <asm/bfin-global.h>
 #include <asm/reboot.h>
-#include <asm/system.h>
 #include <asm/bfrom.h>
 
 /* A system soft reset makes external memory unusable so force
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index d6102c86d037..2ad747e909fb 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -30,6 +30,7 @@
 #include <asm/fixed_code.h>
 #include <asm/early_printk.h>
 #include <asm/irq_handler.h>
+#include <asm/pda.h>
 
 u16 _bfin_swrst;
 EXPORT_SYMBOL(_bfin_swrst);
@@ -549,6 +550,7 @@ static __init void memory_setup(void)
 {
 #ifdef CONFIG_MTD_UCLINUX
 	unsigned long mtd_phys = 0;
+	unsigned long n;
 #endif
 	unsigned long max_mem;
 
@@ -592,9 +594,9 @@ static __init void memory_setup(void)
 	mtd_size = PAGE_ALIGN(*((unsigned long *)(mtd_phys + 8)));
 
 # if defined(CONFIG_EXT2_FS) || defined(CONFIG_EXT3_FS)
-	if (*((unsigned short *)(mtd_phys + 0x438)) == EXT2_SUPER_MAGIC)
-		mtd_size =
-		    PAGE_ALIGN(*((unsigned long *)(mtd_phys + 0x404)) << 10);
+	n = ext2_image_size((void *)(mtd_phys + 0x400));
+	if (n)
+		mtd_size = PAGE_ALIGN(n * 1024);
 # endif
 
 # if defined(CONFIG_CRAMFS)
diff --git a/arch/blackfin/kernel/trace.c b/arch/blackfin/kernel/trace.c
index 050db44fe919..44bbf2f564cb 100644
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -21,6 +21,7 @@
 #include <asm/fixed_code.h>
 #include <asm/traps.h>
 #include <asm/irq_handler.h>
+#include <asm/pda.h>
 
 void decode_address(char *buf, unsigned long address)
 {
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index 655f25d139a7..de5c2c3ebd9b 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -17,6 +17,7 @@
 #include <asm/trace.h>
 #include <asm/fixed_code.h>
 #include <asm/pseudo_instructions.h>
+#include <asm/pda.h>
 
 #ifdef CONFIG_KGDB
 # include <linux/kgdb.h>