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>

19 files changed, 115 insertions, 120 deletions

diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index 7c756fb189f7..afeae8978a8d 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -97,6 +97,7 @@ static struct atmel_nand_data atngw100mkii_nand_data __initdata = {
 	.rdy_pin	= GPIO_PIN_PB(28),
 	.enable_pin	= GPIO_PIN_PE(23),
 	.bus_width_16	= true,
+	.ecc_mode	= NAND_ECC_SOFT,
 	.parts		= nand_partitions,
 	.num_parts	= ARRAY_SIZE(nand_partitions),
 };
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index c56ddac85d61..dc5263321480 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -95,6 +95,7 @@ static struct atmel_nand_data atstk1006_nand_data __initdata = {
 	.ale		= 22,
 	.rdy_pin	= GPIO_PIN_PB(30),
 	.enable_pin	= GPIO_PIN_PB(29),
+	.ecc_mode	= NAND_ECC_SOFT,
 	.parts		= nand_partitions,
 	.num_parts	= ARRAY_SIZE(num_partitions),
 };
diff --git a/arch/avr32/boot/images/Makefile b/arch/avr32/boot/images/Makefile
index 1848bf0d7f62..2a3b53978a3b 100644
--- a/arch/avr32/boot/images/Makefile
+++ b/arch/avr32/boot/images/Makefile
@@ -6,8 +6,6 @@
 # for more details.
 #
 
-MKIMAGE		:= $(srctree)/scripts/mkuboot.sh
-
 extra-y		:= vmlinux.bin vmlinux.gz
 
 OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note.gnu.build-id
@@ -17,10 +15,9 @@ $(obj)/vmlinux.bin: vmlinux FORCE
 $(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
 	$(call if_changed,gzip)
 
-quiet_cmd_uimage = UIMAGE $@
-      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A avr32 -O linux -T kernel	\
-		-C gzip -a $(CONFIG_LOAD_ADDRESS) -e $(CONFIG_ENTRY_ADDRESS)	\
-		-n 'Linux-$(KERNELRELEASE)' -d $< $@
+UIMAGE_LOADADDR = $(CONFIG_LOAD_ADDRESS)
+UIMAGE_ENTRYADDR = $(CONFIG_ENTRY_ADDRESS)
+UIMAGE_COMPRESSION = gzip
 
 targets += uImage uImage.srec
 $(obj)/uImage: $(obj)/vmlinux.gz
diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index e0ac2631c87e..61407279208a 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -15,7 +15,7 @@
 #define __ASM_AVR32_ATOMIC_H
 
 #include <linux/types.h>
-#include <asm/system.h>
+#include <asm/cmpxchg.h>
 
 #define ATOMIC_INIT(i)  { (i) }
 
diff --git a/arch/avr32/include/asm/barrier.h b/arch/avr32/include/asm/barrier.h
new file mode 100644
index 000000000000..0961275373db
--- /dev/null
+++ b/arch/avr32/include/asm/barrier.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_BARRIER_H
+#define __ASM_AVR32_BARRIER_H
+
+#define nop()			asm volatile("nop")
+
+#define mb()			asm volatile("" : : : "memory")
+#define rmb()			mb()
+#define wmb()			asm volatile("sync 0" : : : "memory")
+#define read_barrier_depends()  do { } while(0)
+#define set_mb(var, value)      do { var = value; mb(); } while(0)
+
+#ifdef CONFIG_SMP
+# error "The AVR32 port does not support SMP"
+#else
+# define smp_mb()		barrier()
+# define smp_rmb()		barrier()
+# define smp_wmb()		barrier()
+# define smp_read_barrier_depends() do { } while(0)
+#endif
+
+
+#endif /* __ASM_AVR32_BARRIER_H */
diff --git a/arch/avr32/include/asm/bitops.h b/arch/avr32/include/asm/bitops.h
index b70c19bab63a..ebe7ad3f490b 100644
--- a/arch/avr32/include/asm/bitops.h
+++ b/arch/avr32/include/asm/bitops.h
@@ -13,7 +13,6 @@
 #endif
 
 #include <asm/byteorder.h>
-#include <asm/system.h>
 
 /*
  * clear_bit() doesn't provide any barrier for the compiler
diff --git a/arch/avr32/include/asm/bug.h b/arch/avr32/include/asm/bug.h
index 2aa373cc61b5..85a92d099adb 100644
--- a/arch/avr32/include/asm/bug.h
+++ b/arch/avr32/include/asm/bug.h
@@ -70,4 +70,9 @@
 
 #include <asm-generic/bug.h>
 
+struct pt_regs;
+void die(const char *str, struct pt_regs *regs, long err);
+void _exception(long signr, struct pt_regs *regs, int code,
+		unsigned long addr);
+
 #endif /* __ASM_AVR32_BUG_H */
diff --git a/arch/avr32/include/asm/system.h b/arch/avr32/include/asm/cmpxchg.h
index 62d9ded01635..962a6aeab787 100644
--- a/arch/avr32/include/asm/system.h
+++ b/arch/avr32/include/asm/cmpxchg.h
@@ -1,76 +1,22 @@
 /*
+ * Atomic operations that C can't guarantee us.  Useful for
+ * resource counting etc.
+ *
+ * But use these as seldom as possible since they are slower than
+ * regular operations.
+ *
  * Copyright (C) 2004-2006 Atmel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#ifndef __ASM_AVR32_SYSTEM_H
-#define __ASM_AVR32_SYSTEM_H
-
-#include <linux/compiler.h>
-#include <linux/linkage.h>
-#include <linux/types.h>
-
-#include <asm/ptrace.h>
-#include <asm/sysreg.h>
+#ifndef __ASM_AVR32_CMPXCHG_H
+#define __ASM_AVR32_CMPXCHG_H
 
 #define xchg(ptr,x) \
 	((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr))))
 
-#define nop() asm volatile("nop")
-
-#define mb()			asm volatile("" : : : "memory")
-#define rmb()			mb()
-#define wmb()			asm volatile("sync 0" : : : "memory")
-#define read_barrier_depends()  do { } while(0)
-#define set_mb(var, value)      do { var = value; mb(); } while(0)
-
-/*
- * Help PathFinder and other Nexus-compliant debuggers keep track of
- * the current PID by emitting an Ownership Trace Message each time we
- * switch task.
- */
-#ifdef CONFIG_OWNERSHIP_TRACE
-#include <asm/ocd.h>
-#define finish_arch_switch(prev)			\
-	do {						\
-		ocd_write(PID, prev->pid);		\
-		ocd_write(PID, current->pid);		\
-	} while(0)
-#endif
-
-/*
- * switch_to(prev, next, last) should switch from task `prev' to task
- * `next'. `prev' will never be the same as `next'.
- *
- * We just delegate everything to the __switch_to assembly function,
- * which is implemented in arch/avr32/kernel/switch_to.S
- *
- * mb() tells GCC not to cache `current' across this call.
- */
-struct cpu_context;
-struct task_struct;
-extern struct task_struct *__switch_to(struct task_struct *,
-				       struct cpu_context *,
-				       struct cpu_context *);
-#define switch_to(prev, next, last)					\
-	do {								\
-		last = __switch_to(prev, &prev->thread.cpu_context + 1,	\
-				   &next->thread.cpu_context);		\
-	} while (0)
-
-#ifdef CONFIG_SMP
-# error "The AVR32 port does not support SMP"
-#else
-# define smp_mb()		barrier()
-# define smp_rmb()		barrier()
-# define smp_wmb()		barrier()
-# define smp_read_barrier_depends() do { } while(0)
-#endif
-
-#include <linux/irqflags.h>
-
 extern void __xchg_called_with_bad_pointer(void);
 
 static inline unsigned long xchg_u32(u32 val, volatile u32 *m)
@@ -168,11 +114,4 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
 
 #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
 
-struct pt_regs;
-void die(const char *str, struct pt_regs *regs, long err);
-void _exception(long signr, struct pt_regs *regs, int code,
-		unsigned long addr);
-
-#define arch_align_stack(x)	(x)
-
-#endif /* __ASM_AVR32_SYSTEM_H */
+#endif /* __ASM_AVR32_CMPXCHG_H */
diff --git a/arch/avr32/include/asm/exec.h b/arch/avr32/include/asm/exec.h
new file mode 100644
index 000000000000..f467be8bf823
--- /dev/null
+++ b/arch/avr32/include/asm/exec.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_EXEC_H
+#define __ASM_AVR32_EXEC_H
+
+#define arch_align_stack(x)	(x)
+
+#endif /* __ASM_AVR32_EXEC_H */
diff --git a/arch/avr32/include/asm/io.h b/arch/avr32/include/asm/io.h
index 22c97ef92201..cf60d0a9f176 100644
--- a/arch/avr32/include/asm/io.h
+++ b/arch/avr32/include/asm/io.h
@@ -1,6 +1,7 @@
 #ifndef __ASM_AVR32_IO_H
 #define __ASM_AVR32_IO_H
 
+#include <linux/bug.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/types.h>
diff --git a/arch/avr32/include/asm/socket.h b/arch/avr32/include/asm/socket.h
index 247b88c760be..a473f8c6a9aa 100644
--- a/arch/avr32/include/asm/socket.h
+++ b/arch/avr32/include/asm/socket.h
@@ -64,5 +64,9 @@
 
 #define SO_WIFI_STATUS		41
 #define SCM_WIFI_STATUS		SO_WIFI_STATUS
+#define SO_PEEK_OFF		42
+
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS		43
 
 #endif /* __ASM_AVR32_SOCKET_H */
diff --git a/arch/avr32/include/asm/switch_to.h b/arch/avr32/include/asm/switch_to.h
new file mode 100644
index 000000000000..9a8e9d5208d4
--- /dev/null
+++ b/arch/avr32/include/asm/switch_to.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_SWITCH_TO_H
+#define __ASM_AVR32_SWITCH_TO_H
+
+/*
+ * Help PathFinder and other Nexus-compliant debuggers keep track of
+ * the current PID by emitting an Ownership Trace Message each time we
+ * switch task.
+ */
+#ifdef CONFIG_OWNERSHIP_TRACE
+#include <asm/ocd.h>
+#define finish_arch_switch(prev)			\
+	do {						\
+		ocd_write(PID, prev->pid);		\
+		ocd_write(PID, current->pid);		\
+	} while(0)
+#endif
+
+/*
+ * switch_to(prev, next, last) should switch from task `prev' to task
+ * `next'. `prev' will never be the same as `next'.
+ *
+ * We just delegate everything to the __switch_to assembly function,
+ * which is implemented in arch/avr32/kernel/switch_to.S
+ *
+ * mb() tells GCC not to cache `current' across this call.
+ */
+struct cpu_context;
+struct task_struct;
+extern struct task_struct *__switch_to(struct task_struct *,
+				       struct cpu_context *,
+				       struct cpu_context *);
+#define switch_to(prev, next, last)					\
+	do {								\
+		last = __switch_to(prev, &prev->thread.cpu_context + 1,	\
+				   &next->thread.cpu_context);		\
+	} while (0)
+
+
+#endif /* __ASM_AVR32_SWITCH_TO_H */
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index ea3395750324..92c5af98a6f7 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -40,9 +40,7 @@ void cpu_idle(void)
 			cpu_idle_sleep();
 		rcu_idle_exit();
 		tick_nohz_idle_exit();
-		preempt_enable_no_resched();
-		schedule();
-		preempt_disable();
+		schedule_preempt_disabled();
 	}
 }
 
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 402a7bb72669..0445c4fd67e3 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -1055,8 +1055,6 @@ struct platform_device *__init at32_add_device_usart(unsigned int id)
 	return at32_usarts[id];
 }
 
-struct platform_device *atmel_default_console_device;
-
 void __init at32_setup_serial_console(unsigned int usart_id)
 {
 	atmel_default_console_device = at32_usarts[usart_id];
@@ -1353,7 +1351,6 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
 		goto fail;
 
 	slave->sdata.dma_dev = &dw_dmac0_device.dev;
-	slave->sdata.reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
 	slave->sdata.cfg_hi = (DWC_CFGH_SRC_PER(0)
 				| DWC_CFGH_DST_PER(1));
 	slave->sdata.cfg_lo &= ~(DWC_CFGL_HS_DST_POL
@@ -2048,27 +2045,19 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
 	/* Check if DMA slave interface for capture should be configured. */
 	if (flags & AC97C_CAPTURE) {
 		rx_dws->dma_dev = &dw_dmac0_device.dev;
-		rx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
 		rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3);
 		rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
 		rx_dws->src_master = 0;
 		rx_dws->dst_master = 1;
-		rx_dws->src_msize = DW_DMA_MSIZE_1;
-		rx_dws->dst_msize = DW_DMA_MSIZE_1;
-		rx_dws->fc = DW_DMA_FC_D_P2M;
 	}
 
 	/* Check if DMA slave interface for playback should be configured. */
 	if (flags & AC97C_PLAYBACK) {
 		tx_dws->dma_dev = &dw_dmac0_device.dev;
-		tx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
 		tx_dws->cfg_hi = DWC_CFGH_DST_PER(4);
 		tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
 		tx_dws->src_master = 0;
 		tx_dws->dst_master = 1;
-		tx_dws->src_msize = DW_DMA_MSIZE_1;
-		tx_dws->dst_msize = DW_DMA_MSIZE_1;
-		tx_dws->fc = DW_DMA_FC_D_M2P;
 	}
 
 	if (platform_device_add_data(pdev, data,
@@ -2138,14 +2127,10 @@ at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data)
 	dws = &data->dws;
 
 	dws->dma_dev = &dw_dmac0_device.dev;
-	dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
 	dws->cfg_hi = DWC_CFGH_DST_PER(2);
 	dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
 	dws->src_master = 0;
 	dws->dst_master = 1;
-	dws->src_msize = DW_DMA_MSIZE_1;
-	dws->dst_msize = DW_DMA_MSIZE_1;
-	dws->fc = DW_DMA_FC_D_M2P;
 
 	if (platform_device_add_data(pdev, data,
 				sizeof(struct atmel_abdac_pdata)))
diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
index 627743326253..18b765629a0c 100644
--- a/arch/avr32/mach-at32ap/cpufreq.c
+++ b/arch/avr32/mach-at32ap/cpufreq.c
@@ -19,7 +19,6 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/export.h>
-#include <asm/system.h>
 
 static struct clk *cpuclk;
 
diff --git a/arch/avr32/mach-at32ap/include/mach/atmel-mci.h b/arch/avr32/mach-at32ap/include/mach/atmel-mci.h
index a9b38967f703..4bba58561d5c 100644
--- a/arch/avr32/mach-at32ap/include/mach/atmel-mci.h
+++ b/arch/avr32/mach-at32ap/include/mach/atmel-mci.h
@@ -14,11 +14,4 @@ struct mci_dma_data {
 #define	slave_data_ptr(s)	(&(s)->sdata)
 #define find_slave_dev(s)	((s)->sdata.dma_dev)
 
-#define	setup_dma_addr(s, t, r)	do {		\
-	if (s) {				\
-		(s)->sdata.tx_reg = (t);	\
-		(s)->sdata.rx_reg = (r);	\
-	}					\
-} while (0)
-
 #endif /* __MACH_ATMEL_MCI_H */
diff --git a/arch/avr32/mach-at32ap/include/mach/board.h b/arch/avr32/mach-at32ap/include/mach/board.h
index 67b111ce332d..70742ec997f8 100644
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@@ -7,6 +7,7 @@
 #include <linux/types.h>
 #include <linux/serial.h>
 #include <linux/platform_data/macb.h>
+#include <linux/platform_data/atmel.h>
 
 #define GPIO_PIN_NONE	(-1)
 
@@ -116,18 +117,6 @@ struct platform_device *
 at32_add_device_cf(unsigned int id, unsigned int extint,
 		struct cf_platform_data *data);
 
-/* NAND / SmartMedia */
-struct atmel_nand_data {
-	int	enable_pin;	/* chip enable */
-	int	det_pin;	/* card detect */
-	int	rdy_pin;	/* ready/busy */
-	u8	rdy_pin_active_low;	/* rdy_pin value is inverted */
-	u8	ale;		/* address line number connected to ALE */
-	u8	cle;		/* address line number connected to CLE */
-	u8	bus_width_16;	/* buswidth is 16 bit */
-	struct mtd_partition *parts;
-	unsigned int	num_parts;
-};
 struct platform_device *
 at32_add_device_nand(unsigned int id, struct atmel_nand_data *data);
 
diff --git a/arch/avr32/mach-at32ap/include/mach/cpu.h b/arch/avr32/mach-at32ap/include/mach/cpu.h
index 8181293115e4..16a24b14146c 100644
--- a/arch/avr32/mach-at32ap/include/mach/cpu.h
+++ b/arch/avr32/mach-at32ap/include/mach/cpu.h
@@ -30,9 +30,6 @@
 #define cpu_is_at91sam9261()	(0)
 #define cpu_is_at91sam9263()	(0)
 #define cpu_is_at91sam9rl()	(0)
-#define cpu_is_at91cap9()	(0)
-#define cpu_is_at91cap9_revB()	(0)
-#define cpu_is_at91cap9_revC()	(0)
 #define cpu_is_at91sam9g10()	(0)
 #define cpu_is_at91sam9g20()	(0)
 #define cpu_is_at91sam9g45()	(0)
diff --git a/arch/avr32/oprofile/op_model_avr32.c b/arch/avr32/oprofile/op_model_avr32.c
index a3e9b3c4845a..f74b7809e089 100644
--- a/arch/avr32/oprofile/op_model_avr32.c
+++ b/arch/avr32/oprofile/op_model_avr32.c
@@ -17,7 +17,6 @@
 #include <linux/types.h>
 
 #include <asm/sysreg.h>
-#include <asm/system.h>
 
 #define AVR32_PERFCTR_IRQ_GROUP	0
 #define AVR32_PERFCTR_IRQ_LINE	1