Merge remote branch 'tip/auto-latest'

Conflicts:
	arch/x86/kernel/kgdb.c
	kernel/irq/chip.c
	scripts/recordmcount.pl

43 files changed, 809 insertions, 235 deletions

diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index dd97fb8408a8..b10ec49ee2dd 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -53,6 +53,7 @@ extern void free_bootmem_node(pg_data_t *pgdat,
 			      unsigned long addr,
 			      unsigned long size);
 extern void free_bootmem(unsigned long addr, unsigned long size);
+extern void free_bootmem_late(unsigned long addr, unsigned long size);
 
 /*
  * Flags for reserve_bootmem (also if CONFIG_HAVE_ARCH_BOOTMEM_NODE,
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 3a1dbba4d3ae..0cf725bdd2a1 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -77,10 +77,10 @@ enum clock_event_nofitiers {
 struct clock_event_device {
 	const char		*name;
 	unsigned int		features;
-	unsigned long		max_delta_ns;
-	unsigned long		min_delta_ns;
-	unsigned long		mult;
-	int			shift;
+	u64			max_delta_ns;
+	u64			min_delta_ns;
+	u32			mult;
+	u32			shift;
 	int			rating;
 	int			irq;
 	const struct cpumask	*cpumask;
@@ -116,8 +116,8 @@ static inline unsigned long div_sc(unsigned long ticks, unsigned long nsec,
 }
 
 /* Clock event layer functions */
-extern unsigned long clockevent_delta2ns(unsigned long latch,
-					 struct clock_event_device *evt);
+extern u64 clockevent_delta2ns(unsigned long latch,
+			       struct clock_event_device *evt);
 extern void clockevents_register_device(struct clock_event_device *dev);
 
 extern void clockevents_exchange_device(struct clock_event_device *old,
@@ -130,6 +130,13 @@ extern int clockevents_program_event(struct clock_event_device *dev,
 
 extern void clockevents_handle_noop(struct clock_event_device *dev);
 
+static inline void
+clockevents_calc_mult_shift(struct clock_event_device *ce, u32 freq, u32 minsec)
+{
+	return clocks_calc_mult_shift(&ce->mult, &ce->shift, NSEC_PER_SEC,
+				      freq, minsec);
+}
+
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 extern void clockevents_notify(unsigned long reason, void *arg);
 #else
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 83d2fbd81b93..a3386b51fc36 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -151,6 +151,7 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  *			subtraction of non 64 bit counters
  * @mult:		cycle to nanosecond multiplier
  * @shift:		cycle to nanosecond divisor (power of two)
+ * @max_idle_ns:	max idle time permitted by the clocksource (nsecs)
  * @flags:		flags describing special properties
  * @vread:		vsyscall based read
  * @resume:		resume function for the clocksource, if necessary
@@ -168,6 +169,7 @@ struct clocksource {
 	cycle_t mask;
 	u32 mult;
 	u32 shift;
+	u64 max_idle_ns;
 	unsigned long flags;
 	cycle_t (*vread)(void);
 	void (*resume)(void);
@@ -277,7 +279,16 @@ extern struct clocksource* clocksource_get_next(void);
 extern void clocksource_change_rating(struct clocksource *cs, int rating);
 extern void clocksource_resume(void);
 extern struct clocksource * __init __weak clocksource_default_clock(void);
-extern void clocksource_mark_unstable(struct clocksource *cs);
+
+extern void
+clocks_calc_mult_shift(u32 *mult, u32 *shift, u32 from, u32 to, u32 minsec);
+
+static inline void
+clocksource_calc_mult_shift(struct clocksource *cs, u32 freq, u32 minsec)
+{
+	return clocks_calc_mult_shift(&cs->mult, &cs->shift, freq,
+				      NSEC_PER_SEC, minsec);
+}
 
 #ifdef CONFIG_GENERIC_TIME_VSYSCALL
 extern void update_vsyscall(struct timespec *ts, struct clocksource *c);
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index a3ed7cb8ca34..73dcf804bc94 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -79,6 +79,7 @@
 #define  noinline			__attribute__((noinline))
 #define __attribute_const__		__attribute__((__const__))
 #define __maybe_unused			__attribute__((unused))
+#define __always_unused			__attribute__((unused))
 
 #define __gcc_header(x) #x
 #define _gcc_header(x) __gcc_header(linux/compiler-gcc##x.h)
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 450fa597c94d..77542c57e20a 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -37,3 +37,9 @@
 #define __cold			__attribute__((__cold__))
 
 #endif
+
+#define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
+#if __GNUC_MINOR__ >= 4
+#define __compiletime_warning(message) __attribute__((warning(message)))
+#define __compiletime_error(message) __attribute__((error(message)))
+#endif
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 04fb5135b4e1..8052f720e766 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -213,6 +213,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define __maybe_unused		/* unimplemented */
 #endif
 
+#ifndef __always_unused
+# define __always_unused	/* unimplemented */
+#endif
+
 #ifndef noinline
 #define noinline
 #endif
@@ -266,6 +270,17 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
 #endif
 
+/* Compile time object size, -1 for unknown */
+#ifndef __compiletime_object_size
+# define __compiletime_object_size(obj) -1
+#endif
+#ifndef __compiletime_warning
+# define __compiletime_warning(message)
+#endif
+#ifndef __compiletime_error
+# define __compiletime_error(message)
+#endif
+
 /*
  * Prevent the compiler from merging or refetching accesses.  The compiler
  * is also forbidden from reordering successive instances of ACCESS_ONCE(),
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 4a2b162c256a..d7cecc90ed34 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -126,7 +126,9 @@ extern int free_irte(int irq);
 extern int irq_remapped(int irq);
 extern struct intel_iommu *map_dev_to_ir(struct pci_dev *dev);
 extern struct intel_iommu *map_ioapic_to_ir(int apic);
+extern struct intel_iommu *map_hpet_to_ir(u8 id);
 extern int set_ioapic_sid(struct irte *irte, int apic);
+extern int set_hpet_sid(struct irte *irte, u8 id);
 extern int set_msi_sid(struct irte *irte, struct pci_dev *dev);
 #else
 static inline int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
@@ -158,10 +160,18 @@ static inline struct intel_iommu *map_ioapic_to_ir(int apic)
 {
 	return NULL;
 }
+static inline struct intel_iommu *map_hpet_to_ir(unsigned int hpet_id)
+{
+	return NULL;
+}
 static inline int set_ioapic_sid(struct irte *irte, int apic)
 {
 	return 0;
 }
+static inline int set_hpet_sid(struct irte *irte, u8 id)
+{
+	return -1;
+}
 static inline int set_msi_sid(struct irte *irte, struct pci_dev *dev)
 {
 	return 0;
@@ -208,16 +218,9 @@ struct dmar_atsr_unit {
 	u8 include_all:1;		/* include all ports */
 };
 
-/* Intel DMAR  initialization functions */
 extern int intel_iommu_init(void);
-#else
-static inline int intel_iommu_init(void)
-{
-#ifdef CONFIG_INTR_REMAP
-	return dmar_dev_scope_init();
-#else
-	return -ENODEV;
-#endif
-}
-#endif /* !CONFIG_DMAR */
+#else /* !CONFIG_DMAR: */
+static inline int intel_iommu_init(void) { return -ENODEV; }
+#endif /* CONFIG_DMAR */
+
 #endif /* __DMAR_H__ */
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 4ec5e67e18cf..47bbdf9c38d0 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -117,12 +117,12 @@ struct ftrace_event_call {
 	struct dentry		*dir;
 	struct trace_event	*event;
 	int			enabled;
-	int			(*regfunc)(void *);
-	void			(*unregfunc)(void *);
+	int			(*regfunc)(struct ftrace_event_call *);
+	void			(*unregfunc)(struct ftrace_event_call *);
 	int			id;
-	int			(*raw_init)(void);
-	int			(*show_format)(struct ftrace_event_call *call,
-					       struct trace_seq *s);
+	int			(*raw_init)(struct ftrace_event_call *);
+	int			(*show_format)(struct ftrace_event_call *,
+					       struct trace_seq *);
 	int			(*define_fields)(struct ftrace_event_call *);
 	struct list_head	fields;
 	int			filter_active;
@@ -131,20 +131,20 @@ struct ftrace_event_call {
 	void			*data;
 
 	atomic_t		profile_count;
-	int			(*profile_enable)(void);
-	void			(*profile_disable)(void);
+	int			(*profile_enable)(struct ftrace_event_call *);
+	void			(*profile_disable)(struct ftrace_event_call *);
 };
 
 #define FTRACE_MAX_PROFILE_SIZE	2048
 
-extern char			*trace_profile_buf;
-extern char			*trace_profile_buf_nmi;
+extern char *perf_trace_buf;
+extern char *perf_trace_buf_nmi;
 
 #define MAX_FILTER_PRED		32
 #define MAX_FILTER_STR_VAL	256	/* Should handle KSYM_SYMBOL_LEN */
 
 extern void destroy_preds(struct ftrace_event_call *call);
-extern int filter_match_preds(struct ftrace_event_call *call, void *rec);
+extern int filter_match_preds(struct event_filter *filter, void *rec);
 extern int filter_current_check_discard(struct ring_buffer *buffer,
 					struct ftrace_event_call *call,
 					void *rec,
@@ -157,11 +157,12 @@ enum {
 	FILTER_PTR_STRING,
 };
 
-extern int trace_define_field(struct ftrace_event_call *call,
-			      const char *type, const char *name,
-			      int offset, int size, int is_signed,
-			      int filter_type);
 extern int trace_define_common_fields(struct ftrace_event_call *call);
+extern int trace_define_field(struct ftrace_event_call *call, const char *type,
+			      const char *name, int offset, int size,
+			      int is_signed, int filter_type);
+extern int trace_add_event_call(struct ftrace_event_call *call);
+extern void trace_remove_event_call(struct ftrace_event_call *call);
 
 #define is_signed_type(type)	(((type)(-1)) < 0)
 
@@ -186,4 +187,13 @@ do {									\
 		__trace_printk(ip, fmt, ##args);			\
 } while (0)
 
+#ifdef CONFIG_EVENT_PROFILE
+struct perf_event;
+extern int ftrace_profile_enable(int event_id);
+extern void ftrace_profile_disable(int event_id);
+extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
+				     char *filter_str);
+extern void ftrace_profile_free_filter(struct perf_event *event);
+#endif
+
 #endif /* _LINUX_FTRACE_EVENT_H */
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 6d527ee82b2b..d5b387669dab 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -139,10 +139,34 @@ static inline void account_system_vtime(struct task_struct *tsk)
 #endif
 
 #if defined(CONFIG_NO_HZ)
+#if defined(CONFIG_TINY_RCU)
+extern void rcu_enter_nohz(void);
+extern void rcu_exit_nohz(void);
+
+static inline void rcu_irq_enter(void)
+{
+	rcu_exit_nohz();
+}
+
+static inline void rcu_irq_exit(void)
+{
+	rcu_enter_nohz();
+}
+
+static inline void rcu_nmi_enter(void)
+{
+}
+
+static inline void rcu_nmi_exit(void)
+{
+}
+
+#else
 extern void rcu_irq_enter(void);
 extern void rcu_irq_exit(void);
 extern void rcu_nmi_enter(void);
 extern void rcu_nmi_exit(void);
+#endif
 #else
 # define rcu_irq_enter() do { } while (0)
 # define rcu_irq_exit() do { } while (0)
diff --git a/include/linux/hpet.h b/include/linux/hpet.h
index 79f63a27bcef..219ca4f6bea6 100644
--- a/include/linux/hpet.h
+++ b/include/linux/hpet.h
@@ -126,4 +126,6 @@ struct hpet_info {
 #define	HPET_DPI	_IO('h', 0x05)	/* disable periodic */
 #define	HPET_IRQFREQ	_IOW('h', 0x6, unsigned long)	/* IRQFREQ usec */
 
+#define MAX_HPET_TBS	8		/* maximum hpet timer blocks */
+
 #endif				/* !__HPET__ */
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
new file mode 100644
index 000000000000..c9f7f7c7b0e0
--- /dev/null
+++ b/include/linux/hw_breakpoint.h
@@ -0,0 +1,140 @@
+#ifndef _LINUX_HW_BREAKPOINT_H
+#define _LINUX_HW_BREAKPOINT_H
+
+enum {
+	HW_BREAKPOINT_LEN_1 = 1,
+	HW_BREAKPOINT_LEN_2 = 2,
+	HW_BREAKPOINT_LEN_4 = 4,
+	HW_BREAKPOINT_LEN_8 = 8,
+};
+
+enum {
+	HW_BREAKPOINT_R = 1,
+	HW_BREAKPOINT_W = 2,
+	HW_BREAKPOINT_X = 4,
+};
+
+#ifdef __KERNEL__
+
+#include <linux/perf_event.h>
+
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+
+static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
+{
+	return bp->attr.bp_addr;
+}
+
+static inline int hw_breakpoint_type(struct perf_event *bp)
+{
+	return bp->attr.bp_type;
+}
+
+static inline int hw_breakpoint_len(struct perf_event *bp)
+{
+	return bp->attr.bp_len;
+}
+
+extern struct perf_event *
+register_user_hw_breakpoint(unsigned long addr,
+			    int len,
+			    int type,
+			    perf_callback_t triggered,
+			    struct task_struct *tsk,
+			    bool active);
+
+/* FIXME: only change from the attr, and don't unregister */
+extern struct perf_event *
+modify_user_hw_breakpoint(struct perf_event *bp,
+			  unsigned long addr,
+			  int len,
+			  int type,
+			  perf_callback_t triggered,
+			  struct task_struct *tsk,
+			  bool active);
+
+/*
+ * Kernel breakpoints are not associated with any particular thread.
+ */
+extern struct perf_event *
+register_wide_hw_breakpoint_cpu(unsigned long addr,
+				int len,
+				int type,
+				perf_callback_t triggered,
+				int cpu,
+				bool active);
+
+extern struct perf_event **
+register_wide_hw_breakpoint(unsigned long addr,
+			    int len,
+			    int type,
+			    perf_callback_t triggered,
+			    bool active);
+
+extern int register_perf_hw_breakpoint(struct perf_event *bp);
+extern int __register_perf_hw_breakpoint(struct perf_event *bp);
+extern void unregister_hw_breakpoint(struct perf_event *bp);
+extern void unregister_wide_hw_breakpoint(struct perf_event **cpu_events);
+
+extern int reserve_bp_slot(struct perf_event *bp);
+extern void release_bp_slot(struct perf_event *bp);
+
+extern void flush_ptrace_hw_breakpoint(struct task_struct *tsk);
+
+static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp)
+{
+	return &bp->hw.info;
+}
+
+#else /* !CONFIG_HAVE_HW_BREAKPOINT */
+
+static inline struct perf_event *
+register_user_hw_breakpoint(unsigned long addr,
+			    int len,
+			    int type,
+			    perf_callback_t triggered,
+			    struct task_struct *tsk,
+			    bool active)		{ return NULL; }
+static inline struct perf_event *
+modify_user_hw_breakpoint(struct perf_event *bp,
+			  unsigned long addr,
+			  int len,
+			  int type,
+			  perf_callback_t triggered,
+			  struct task_struct *tsk,
+			  bool active)			{ return NULL; }
+static inline struct perf_event *
+register_wide_hw_breakpoint_cpu(unsigned long addr,
+				int len,
+				int type,
+				perf_callback_t triggered,
+				int cpu,
+				bool active)		{ return NULL; }
+static inline struct perf_event **
+register_wide_hw_breakpoint(unsigned long addr,
+			    int len,
+			    int type,
+			    perf_callback_t triggered,
+			    bool active)		{ return NULL; }
+static inline int
+register_perf_hw_breakpoint(struct perf_event *bp)	{ return -ENOSYS; }
+static inline int
+__register_perf_hw_breakpoint(struct perf_event *bp) 	{ return -ENOSYS; }
+static inline void unregister_hw_breakpoint(struct perf_event *bp)	{ }
+static inline void
+unregister_wide_hw_breakpoint(struct perf_event **cpu_events)		{ }
+static inline int
+reserve_bp_slot(struct perf_event *bp)			{return -ENOSYS; }
+static inline void release_bp_slot(struct perf_event *bp) 		{ }
+
+static inline void flush_ptrace_hw_breakpoint(struct task_struct *tsk)	{ }
+
+static inline struct arch_hw_breakpoint *counter_arch_bp(struct perf_event *bp)
+{
+	return NULL;
+}
+
+#endif /* CONFIG_HAVE_HW_BREAKPOINT */
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_HW_BREAKPOINT_H */
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 7ca72b74eec7..75f3f00ac1e5 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -603,12 +603,6 @@ static inline void init_irq_proc(void)
 }
 #endif
 
-#if defined(CONFIG_GENERIC_HARDIRQS) && defined(CONFIG_DEBUG_SHIRQ)
-extern void debug_poll_all_shared_irqs(void);
-#else
-static inline void debug_poll_all_shared_irqs(void) { }
-#endif
-
 struct seq_file;
 int show_interrupts(struct seq_file *p, void *v);
 
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index b02a3f1d46a0..006bf45eae30 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -124,6 +124,6 @@
 	typecheck(unsigned long, flags);	\
 	raw_irqs_disabled_flags(flags);		\
 })
-#endif		/* CONFIG_X86 */
+#endif /* CONFIG_TRACE_IRQFLAGS_SUPPORT */
 
 #endif
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index be3018d8a6fc..14bcd38ad8e1 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -15,7 +15,6 @@
 #include <linux/bitops.h>
 #include <linux/log2.h>
 #include <linux/typecheck.h>
-#include <linux/ratelimit.h>
 #include <linux/dynamic_debug.h>
 #include <asm/byteorder.h>
 #include <asm/bug.h>
@@ -241,8 +240,8 @@ asmlinkage int vprintk(const char *fmt, va_list args)
 asmlinkage int printk(const char * fmt, ...)
 	__attribute__ ((format (printf, 1, 2))) __cold;
 
-extern struct ratelimit_state printk_ratelimit_state;
-extern int printk_ratelimit(void);
+extern int __printk_ratelimit(const char *func);
+#define printk_ratelimit() __printk_ratelimit(__func__)
 extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
 				   unsigned int interval_msec);
 
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 348fa8874b52..c059044bc6dc 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -25,6 +25,7 @@ struct cpu_usage_stat {
 	cputime64_t iowait;
 	cputime64_t steal;
 	cputime64_t guest;
+	cputime64_t guest_nice;
 };
 
 struct kernel_stat {
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 3a46b7b7abb2..1b672f74a32f 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -296,6 +296,8 @@ void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
 int disable_kprobe(struct kprobe *kp);
 int enable_kprobe(struct kprobe *kp);
 
+void dump_kprobe(struct kprobe *kp);
+
 #else /* !CONFIG_KPROBES: */
 
 static inline int kprobes_built_in(void)
diff --git a/include/linux/net.h b/include/linux/net.h
index 6ce87663551c..5e8083cacc8b 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -280,6 +280,7 @@ extern int kernel_sock_shutdown(struct socket *sock,
 
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
+#include <linux/ratelimit.h>
 extern struct ratelimit_state net_ratelimit_state;
 #endif
 
diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 7b7fbf433cff..e3fb25606706 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -106,6 +106,8 @@ enum perf_sw_ids {
 	PERF_COUNT_SW_CPU_MIGRATIONS		= 4,
 	PERF_COUNT_SW_PAGE_FAULTS_MIN		= 5,
 	PERF_COUNT_SW_PAGE_FAULTS_MAJ		= 6,
+	PERF_COUNT_SW_ALIGNMENT_FAULTS		= 7,
+	PERF_COUNT_SW_EMULATION_FAULTS		= 8,
 
 	PERF_COUNT_SW_MAX,			/* non-ABI */
 };
@@ -225,6 +227,7 @@ struct perf_counter_attr {
 #define PERF_COUNTER_IOC_RESET		_IO ('$', 3)
 #define PERF_COUNTER_IOC_PERIOD		_IOW('$', 4, u64)
 #define PERF_COUNTER_IOC_SET_OUTPUT	_IO ('$', 5)
+#define PERF_COUNTER_IOC_SET_FILTER	_IOW('$', 6, char *)
 
 enum perf_counter_ioc_flags {
 	PERF_IOC_FLAG_GROUP		= 1U << 0,
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9e7012689a84..43adbd7f0010 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -18,6 +18,10 @@
 #include <linux/ioctl.h>
 #include <asm/byteorder.h>
 
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+#include <asm/hw_breakpoint.h>
+#endif
+
 /*
  * User-space ABI bits:
  */
@@ -31,6 +35,7 @@ enum perf_type_id {
 	PERF_TYPE_TRACEPOINT			= 2,
 	PERF_TYPE_HW_CACHE			= 3,
 	PERF_TYPE_RAW				= 4,
+	PERF_TYPE_BREAKPOINT			= 5,
 
 	PERF_TYPE_MAX,				/* non-ABI */
 };
@@ -102,6 +107,8 @@ enum perf_sw_ids {
 	PERF_COUNT_SW_CPU_MIGRATIONS		= 4,
 	PERF_COUNT_SW_PAGE_FAULTS_MIN		= 5,
 	PERF_COUNT_SW_PAGE_FAULTS_MAJ		= 6,
+	PERF_COUNT_SW_ALIGNMENT_FAULTS		= 7,
+	PERF_COUNT_SW_EMULATION_FAULTS		= 8,
 
 	PERF_COUNT_SW_MAX,			/* non-ABI */
 };
@@ -207,6 +214,15 @@ struct perf_event_attr {
 		__u32		wakeup_events;	  /* wakeup every n events */
 		__u32		wakeup_watermark; /* bytes before wakeup   */
 	};
+
+	union {
+		struct { /* Hardware breakpoint info */
+			__u64		bp_addr;
+			__u32		bp_type;
+			__u32		bp_len;
+		};
+	};
+
 	__u32			__reserved_2;
 
 	__u64			__reserved_3;
@@ -219,8 +235,9 @@ struct perf_event_attr {
 #define PERF_EVENT_IOC_DISABLE		_IO ('$', 1)
 #define PERF_EVENT_IOC_REFRESH		_IO ('$', 2)
 #define PERF_EVENT_IOC_RESET		_IO ('$', 3)
-#define PERF_EVENT_IOC_PERIOD		_IOW('$', 4, u64)
+#define PERF_EVENT_IOC_PERIOD		_IOW('$', 4, __u64)
 #define PERF_EVENT_IOC_SET_OUTPUT	_IO ('$', 5)
+#define PERF_EVENT_IOC_SET_FILTER	_IOW('$', 6, char *)
 
 enum perf_event_ioc_flags {
 	PERF_IOC_FLAG_GROUP		= 1U << 0,
@@ -475,6 +492,11 @@ struct hw_perf_event {
 			s64		remaining;
 			struct hrtimer	hrtimer;
 		};
+#ifdef CONFIG_HAVE_HW_BREAKPOINT
+		union { /* breakpoint */
+			struct arch_hw_breakpoint	info;
+		};
+#endif
 	};
 	atomic64_t			prev_count;
 	u64				sample_period;
@@ -543,6 +565,10 @@ struct perf_pending_entry {
 	void (*func)(struct perf_pending_entry *);
 };
 
+typedef void (*perf_callback_t)(struct perf_event *, void *);
+
+struct perf_sample_data;
+
 /**
  * struct perf_event - performance event kernel representation:
  */
@@ -585,7 +611,7 @@ struct perf_event {
 	u64				tstamp_running;
 	u64				tstamp_stopped;
 
-	struct perf_event_attr	attr;
+	struct perf_event_attr		attr;
 	struct hw_perf_event		hw;
 
 	struct perf_event_context	*ctx;
@@ -633,7 +659,20 @@ struct perf_event {
 
 	struct pid_namespace		*ns;
 	u64				id;
+
+	void (*overflow_handler)(struct perf_event *event,
+			int nmi, struct perf_sample_data *data,
+			struct pt_regs *regs);
+
+#ifdef CONFIG_EVENT_PROFILE
+	struct event_filter		*filter;
 #endif
+
+	perf_callback_t			callback;
+
+	perf_callback_t			event_callback;
+
+#endif /* CONFIG_PERF_EVENTS */
 };
 
 /**
@@ -706,7 +745,6 @@ struct perf_output_handle {
 	int				nmi;
 	int				sample;
 	int				locked;
-	unsigned long			flags;
 };
 
 #ifdef CONFIG_PERF_EVENTS
@@ -738,6 +776,14 @@ extern int hw_perf_group_sched_in(struct perf_event *group_leader,
 	       struct perf_cpu_context *cpuctx,
 	       struct perf_event_context *ctx, int cpu);
 extern void perf_event_update_userpage(struct perf_event *event);
+extern int perf_event_release_kernel(struct perf_event *event);
+extern struct perf_event *
+perf_event_create_kernel_counter(struct perf_event_attr *attr,
+				int cpu,
+				pid_t pid,
+				perf_callback_t callback);
+extern u64 perf_event_read_value(struct perf_event *event,
+				 u64 *enabled, u64 *running);
 
 struct perf_sample_data {
 	u64				type;
@@ -814,6 +860,7 @@ extern int sysctl_perf_event_sample_rate;
 extern void perf_event_init(void);
 extern void perf_tp_event(int event_id, u64 addr, u64 count,
 				 void *record, int entry_size);
+extern void perf_bp_event(struct perf_event *event, void *data);
 
 #ifndef perf_misc_flags
 #define perf_misc_flags(regs)	(user_mode(regs) ? PERF_RECORD_MISC_USER : \
@@ -827,6 +874,8 @@ extern int perf_output_begin(struct perf_output_handle *handle,
 extern void perf_output_end(struct perf_output_handle *handle);
 extern void perf_output_copy(struct perf_output_handle *handle,
 			     const void *buf, unsigned int len);
+extern int perf_swevent_get_recursion_context(void);
+extern void perf_swevent_put_recursion_context(int rctx);
 #else
 static inline void
 perf_event_task_sched_in(struct task_struct *task, int cpu)		{ }
@@ -848,11 +897,15 @@ static inline int perf_event_task_enable(void)				{ return -EINVAL; }
 static inline void
 perf_sw_event(u32 event_id, u64 nr, int nmi,
 		     struct pt_regs *regs, u64 addr)			{ }
+static inline void
+perf_bp_event(struct perf_event *event, void *data)		{ }
 
 static inline void perf_event_mmap(struct vm_area_struct *vma)		{ }
 static inline void perf_event_comm(struct task_struct *tsk)		{ }
 static inline void perf_event_fork(struct task_struct *tsk)		{ }
 static inline void perf_event_init(void)				{ }
+static inline int  perf_swevent_get_recursion_context(void)  { return -1; }
+static inline void perf_swevent_put_recursion_context(int rctx)		{ }
 
 #endif
 
diff --git a/include/linux/poison.h b/include/linux/poison.h
index 7fc194aef8c2..2110a81c5e2a 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -2,13 +2,25 @@
 #define _LINUX_POISON_H
 
 /********** include/linux/list.h **********/
+
+/*
+ * Architectures might want to move the poison pointer offset
+ * into some well-recognized area such as 0xdead000000000000,
+ * that is also not mappable by user-space exploits:
+ */
+#ifdef CONFIG_ILLEGAL_POINTER_VALUE
+# define POISON_POINTER_DELTA _AC(CONFIG_ILLEGAL_POINTER_VALUE, UL)
+#else
+# define POISON_POINTER_DELTA 0
+#endif
+
 /*
  * These are non-NULL pointers that will result in page faults
  * under normal circumstances, used to verify that nobody uses
  * non-initialized list entries.
  */
-#define LIST_POISON1  ((void *) 0x00100100)
-#define LIST_POISON2  ((void *) 0x00200200)
+#define LIST_POISON1  ((void *) 0x00100100 + POISON_POINTER_DELTA)
+#define LIST_POISON2  ((void *) 0x00200200 + POISON_POINTER_DELTA)
 
 /********** include/linux/timer.h **********/
 /*
diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h
index 00044b856453..668cf1bef030 100644
--- a/include/linux/ratelimit.h
+++ b/include/linux/ratelimit.h
@@ -1,20 +1,31 @@
 #ifndef _LINUX_RATELIMIT_H
 #define _LINUX_RATELIMIT_H
+
 #include <linux/param.h>
+#include <linux/spinlock_types.h>
 
-#define DEFAULT_RATELIMIT_INTERVAL (5 * HZ)
-#define DEFAULT_RATELIMIT_BURST 10
+#define DEFAULT_RATELIMIT_INTERVAL	(5 * HZ)
+#define DEFAULT_RATELIMIT_BURST		10
 
 struct ratelimit_state {
-	int interval;
-	int burst;
-	int printed;
-	int missed;
-	unsigned long begin;
+	spinlock_t	lock;		/* protect the state */
+
+	int		interval;
+	int		burst;
+	int		printed;
+	int		missed;
+	unsigned long	begin;
 };
 
-#define DEFINE_RATELIMIT_STATE(name, interval, burst)		\
-		struct ratelimit_state name = {interval, burst,}
+#define DEFINE_RATELIMIT_STATE(name, interval_init, burst_init)		\
+									\
+	struct ratelimit_state name = {					\
+		.lock		= __SPIN_LOCK_UNLOCKED(name.lock),	\
+		.interval	= interval_init,			\
+		.burst		= burst_init,				\
+	}
+
+extern int ___ratelimit(struct ratelimit_state *rs, const char *func);
+#define __ratelimit(state) ___ratelimit(state, __func__)
 
-extern int __ratelimit(struct ratelimit_state *rs);
-#endif
+#endif /* _LINUX_RATELIMIT_H */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index af5b8af505bf..33ee2cdd019f 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -59,11 +59,17 @@ extern int sched_expedited_torture_stats(char *page);
 /* Internal to kernel */
 extern void rcu_init(void);
 extern void rcu_scheduler_starting(void);
+#ifndef CONFIG_TINY_RCU
 extern int rcu_needs_cpu(int cpu);
+#else
+static inline int rcu_needs_cpu(int cpu) { return 0; }
+#endif
 extern int rcu_scheduler_active;
 
 #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU)
 #include <linux/rcutree.h>
+#elif defined(CONFIG_TINY_RCU)
+#include <linux/rcutiny.h>
 #else
 #error "Unknown RCU implementation specified to kernel configuration"
 #endif
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
new file mode 100644
index 000000000000..2c1fe8373e71
--- /dev/null
+++ b/include/linux/rcutiny.h
@@ -0,0 +1,95 @@
+/*
+ * Read-Copy Update mechanism for mutual exclusion, the Bloatwatch edition.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright IBM Corporation, 2008
+ *
+ * Author: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+ *
+ * For detailed explanation of Read-Copy Update mechanism see -
+ *		Documentation/RCU
+ */
+#ifndef __LINUX_TINY_H
+#define __LINUX_TINY_H
+
+#include <linux/cache.h>
+
+void rcu_sched_qs(int cpu);
+void rcu_bh_qs(int cpu);
+
+#define __rcu_read_lock()	preempt_disable()
+#define __rcu_read_unlock()	preempt_enable()
+#define __rcu_read_lock_bh()	local_bh_disable()
+#define __rcu_read_unlock_bh()	local_bh_enable()
+#define call_rcu_sched		call_rcu
+
+#define rcu_init_sched()	do { } while (0)
+extern void rcu_check_callbacks(int cpu, int user);
+extern void __rcu_init(void);
+
+/*
+ * Return the number of grace periods.
+ */
+static inline long rcu_batches_completed(void)
+{
+	return 0;
+}
+
+/*
+ * Return the number of bottom-half grace periods.
+ */
+static inline long rcu_batches_completed_bh(void)
+{
+	return 0;
+}
+
+extern int rcu_expedited_torture_stats(char *page);
+
+static inline void synchronize_rcu_expedited(void)
+{
+	synchronize_sched();
+}
+
+static inline void synchronize_rcu_bh_expedited(void)
+{
+	synchronize_sched();
+}
+
+struct notifier_block;
+extern int rcu_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu);
+
+#ifdef CONFIG_NO_HZ
+
+extern void rcu_enter_nohz(void);
+extern void rcu_exit_nohz(void);
+
+#else /* #ifdef CONFIG_NO_HZ */
+
+static inline void rcu_enter_nohz(void)
+{
+}
+
+static inline void rcu_exit_nohz(void)
+{
+}
+
+#endif /* #else #ifdef CONFIG_NO_HZ */
+
+static inline void exit_rcu(void)
+{
+}
+
+#endif /* __LINUX_RCUTINY_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 1aa45747348e..ed40dc3660cd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -145,7 +145,6 @@ extern unsigned long this_cpu_load(void);
 
 
 extern void calc_global_load(void);
-extern u64 cpu_nr_migrations(int cpu);
 
 extern unsigned long get_parent_ip(unsigned long addr);
 
@@ -171,8 +170,6 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
 }
 #endif
 
-extern unsigned long long time_sync_thresh;
-
 /*
  * Task state bitmask. NOTE! These bits are also
  * encoded in fs/proc/array.c: get_task_state().
@@ -353,7 +350,6 @@ extern signed long schedule_timeout(signed long timeout);
 extern signed long schedule_timeout_interruptible(signed long timeout);
 extern signed long schedule_timeout_killable(signed long timeout);
 extern signed long schedule_timeout_uninterruptible(signed long timeout);
-asmlinkage void __schedule(void);
 asmlinkage void schedule(void);
 extern int mutex_spin_on_owner(struct mutex *lock, struct thread_info *owner);
 
@@ -1017,9 +1013,13 @@ static inline struct cpumask *sched_domain_span(struct sched_domain *sd)
 	return to_cpumask(sd->span);
 }
 
-extern void partition_sched_domains(int ndoms_new, struct cpumask *doms_new,
+extern void partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[],
 				    struct sched_domain_attr *dattr_new);
 
+/* Allocate an array of sched domains, for partition_sched_domains(). */
+cpumask_var_t *alloc_sched_domains(unsigned int ndoms);
+void free_sched_domains(cpumask_var_t doms[], unsigned int ndoms);
+
 /* Test a flag in parent sched domain */
 static inline int test_sd_parent(struct sched_domain *sd, int flag)
 {
@@ -1037,7 +1037,7 @@ unsigned long default_scale_smt_power(struct sched_domain *sd, int cpu);
 struct sched_domain_attr;
 
 static inline void
-partition_sched_domains(int ndoms_new, struct cpumask *doms_new,
+partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[],
 			struct sched_domain_attr *dattr_new)
 {
 }
@@ -2090,11 +2090,18 @@ static inline int is_si_special(const struct siginfo *info)
 	return info <= SEND_SIG_FORCED;
 }
 
-/* True if we are on the alternate signal stack.  */
-
+/*
+ * True if we are on the alternate signal stack.
+ */
 static inline int on_sig_stack(unsigned long sp)
 {
-	return (sp - current->sas_ss_sp < current->sas_ss_size);
+#ifdef CONFIG_STACK_GROWSUP
+	return sp >= current->sas_ss_sp &&
+		sp - current->sas_ss_sp < current->sas_ss_size;
+#else
+	return sp > current->sas_ss_sp &&
+		sp - current->sas_ss_sp <= current->sas_ss_size;
+#endif
 }
 
 static inline int sas_ss_flags(unsigned long sp)
diff --git a/include/linux/screen_info.h b/include/linux/screen_info.h
index 1ee2c05142f6..899fbb487c94 100644
--- a/include/linux/screen_info.h
+++ b/include/linux/screen_info.h
@@ -14,7 +14,8 @@ struct screen_info {
 	__u16 orig_video_page;	/* 0x04 */
 	__u8  orig_video_mode;	/* 0x06 */
 	__u8  orig_video_cols;	/* 0x07 */
-	__u16 unused2;		/* 0x08 */
+	__u8  flags;		/* 0x08 */
+	__u8  unused2;		/* 0x09 */
 	__u16 orig_video_ega_bx;/* 0x0a */
 	__u16 unused3;		/* 0x0c */
 	__u8  orig_video_lines;	/* 0x0e */
@@ -65,6 +66,8 @@ struct screen_info {
 
 #define VIDEO_TYPE_EFI		0x70	/* EFI graphic mode		*/
 
+#define VIDEO_FLAGS_NOCURSOR	(1 << 0) /* The video mode has no cursor set */
+
 #ifdef __KERNEL__
 extern struct screen_info screen_info;
 
diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h
index 813be59bf345..2ea1dd1ba21c 100644
--- a/include/linux/smp_lock.h
+++ b/include/linux/smp_lock.h
@@ -24,8 +24,21 @@ static inline int reacquire_kernel_lock(struct task_struct *task)
 	return 0;
 }
 
-extern void __lockfunc lock_kernel(void)	__acquires(kernel_lock);
-extern void __lockfunc unlock_kernel(void)	__releases(kernel_lock);
+extern void __lockfunc
+_lock_kernel(const char *func, const char *file, int line)
+__acquires(kernel_lock);
+
+extern void __lockfunc
+_unlock_kernel(const char *func, const char *file, int line)
+__releases(kernel_lock);
+
+#define lock_kernel() do {					\
+	_lock_kernel(__func__, __FILE__, __LINE__);		\
+} while (0)
+
+#define unlock_kernel()	do {					\
+	_unlock_kernel(__func__, __FILE__, __LINE__);		\
+} while (0)
 
 /*
  * Various legacy drivers don't really need the BKL in a specific
@@ -41,8 +54,8 @@ static inline void cycle_kernel_lock(void)
 
 #else
 
-#define lock_kernel()				do { } while(0)
-#define unlock_kernel()				do { } while(0)
+#define lock_kernel()
+#define unlock_kernel()
 #define release_kernel_lock(task)		do { } while(0)
 #define cycle_kernel_lock()			do { } while(0)
 #define reacquire_kernel_lock(task)		0
diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h
index 7a7e18fc2415..8264a7f459bc 100644
--- a/include/linux/spinlock_api_smp.h
+++ b/include/linux/spinlock_api_smp.h
@@ -60,137 +60,118 @@ void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
 void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
 							__releases(lock);
 
-/*
- * We inline the unlock functions in the nondebug case:
- */
-#if !defined(CONFIG_DEBUG_SPINLOCK) && !defined(CONFIG_PREEMPT)
-#define __always_inline__spin_unlock
-#define __always_inline__read_unlock
-#define __always_inline__write_unlock
-#define __always_inline__spin_unlock_irq
-#define __always_inline__read_unlock_irq
-#define __always_inline__write_unlock_irq
-#endif
-
-#ifndef CONFIG_DEBUG_SPINLOCK
-#ifndef CONFIG_GENERIC_LOCKBREAK
-
-#ifdef __always_inline__spin_lock
+#ifdef CONFIG_INLINE_SPIN_LOCK
 #define _spin_lock(lock) __spin_lock(lock)
 #endif
 
-#ifdef __always_inline__read_lock
+#ifdef CONFIG_INLINE_READ_LOCK
 #define _read_lock(lock) __read_lock(lock)
 #endif
 
-#ifdef __always_inline__write_lock
+#ifdef CONFIG_INLINE_WRITE_LOCK
 #define _write_lock(lock) __write_lock(lock)
 #endif
 
-#ifdef __always_inline__spin_lock_bh
+#ifdef CONFIG_INLINE_SPIN_LOCK_BH
 #define _spin_lock_bh(lock) __spin_lock_bh(lock)
 #endif
 
-#ifdef __always_inline__read_lock_bh
+#ifdef CONFIG_INLINE_READ_LOCK_BH
 #define _read_lock_bh(lock) __read_lock_bh(lock)
 #endif
 
-#ifdef __always_inline__write_lock_bh
+#ifdef CONFIG_INLINE_WRITE_LOCK_BH
 #define _write_lock_bh(lock) __write_lock_bh(lock)
 #endif
 
-#ifdef __always_inline__spin_lock_irq
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQ
 #define _spin_lock_irq(lock) __spin_lock_irq(lock)
 #endif
 
-#ifdef __always_inline__read_lock_irq
+#ifdef CONFIG_INLINE_READ_LOCK_IRQ
 #define _read_lock_irq(lock) __read_lock_irq(lock)
 #endif
 
-#ifdef __always_inline__write_lock_irq
+#ifdef CONFIG_INLINE_WRITE_LOCK_IRQ
 #define _write_lock_irq(lock) __write_lock_irq(lock)
 #endif
 
-#ifdef __always_inline__spin_lock_irqsave
+#ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE
 #define _spin_lock_irqsave(lock) __spin_lock_irqsave(lock)
 #endif
 
-#ifdef __always_inline__read_lock_irqsave
+#ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE
 #define _read_lock_irqsave(lock) __read_lock_irqsave(lock)
 #endif
 
-#ifdef __always_inline__write_lock_irqsave
+#ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE
 #define _write_lock_irqsave(lock) __write_lock_irqsave(lock)
 #endif
 
-#endif /* !CONFIG_GENERIC_LOCKBREAK */
-
-#ifdef __always_inline__spin_trylock
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK
 #define _spin_trylock(lock) __spin_trylock(lock)
 #endif
 
-#ifdef __always_inline__read_trylock
+#ifdef CONFIG_INLINE_READ_TRYLOCK
 #define _read_trylock(lock) __read_trylock(lock)
 #endif
 
-#ifdef __always_inline__write_trylock
+#ifdef CONFIG_INLINE_WRITE_TRYLOCK
 #define _write_trylock(lock) __write_trylock(lock)
 #endif
 
-#ifdef __always_inline__spin_trylock_bh
+#ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH
 #define _spin_trylock_bh(lock) __spin_trylock_bh(lock)
 #endif
 
-#ifdef __always_inline__spin_unlock
+#ifdef CONFIG_INLINE_SPIN_UNLOCK
 #define _spin_unlock(lock) __spin_unlock(lock)
 #endif
 
-#ifdef __always_inline__read_unlock
+#ifdef CONFIG_INLINE_READ_UNLOCK
 #define _read_unlock(lock) __read_unlock(lock)
 #endif
 
-#ifdef __always_inline__write_unlock
+#ifdef CONFIG_INLINE_WRITE_UNLOCK
 #define _write_unlock(lock) __write_unlock(lock)
 #endif
 
-#ifdef __always_inline__spin_unlock_bh
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_BH
 #define _spin_unlock_bh(lock) __spin_unlock_bh(lock)
 #endif
 
-#ifdef __always_inline__read_unlock_bh
+#ifdef CONFIG_INLINE_READ_UNLOCK_BH
 #define _read_unlock_bh(lock) __read_unlock_bh(lock)
 #endif
 
-#ifdef __always_inline__write_unlock_bh
+#ifdef CONFIG_INLINE_WRITE_UNLOCK_BH
 #define _write_unlock_bh(lock) __write_unlock_bh(lock)
 #endif
 
-#ifdef __always_inline__spin_unlock_irq
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ
 #define _spin_unlock_irq(lock) __spin_unlock_irq(lock)
 #endif
 
-#ifdef __always_inline__read_unlock_irq
+#ifdef CONFIG_INLINE_READ_UNLOCK_IRQ
 #define _read_unlock_irq(lock) __read_unlock_irq(lock)
 #endif
 
-#ifdef __always_inline__write_unlock_irq
+#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ
 #define _write_unlock_irq(lock) __write_unlock_irq(lock)
 #endif
 
-#ifdef __always_inline__spin_unlock_irqrestore
+#ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE
 #define _spin_unlock_irqrestore(lock, flags) __spin_unlock_irqrestore(lock, flags)
 #endif
 
-#ifdef __always_inline__read_unlock_irqrestore
+#ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE
 #define _read_unlock_irqrestore(lock, flags) __read_unlock_irqrestore(lock, flags)
 #endif
 
-#ifdef __always_inline__write_unlock_irqrestore
+#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE
 #define _write_unlock_irqrestore(lock, flags) __write_unlock_irqrestore(lock, flags)
 #endif
 
-#endif /* CONFIG_DEBUG_SPINLOCK */
-
 static inline int __spin_trylock(spinlock_t *lock)
 {
 	preempt_disable();
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index aca0eee53930..4765d97dcafb 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -48,6 +48,7 @@ void cleanup_srcu_struct(struct srcu_struct *sp);
 int srcu_read_lock(struct srcu_struct *sp) __acquires(sp);
 void srcu_read_unlock(struct srcu_struct *sp, int idx) __releases(sp);
 void synchronize_srcu(struct srcu_struct *sp);
+void synchronize_srcu_expedited(struct srcu_struct *sp);
 long srcu_batches_completed(struct srcu_struct *sp);
 
 #endif
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 73b1f1cec423..febedcf67c7e 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -7,6 +7,8 @@ struct device;
 struct dma_attrs;
 struct scatterlist;
 
+extern int swiotlb_force;
+
 /*
  * Maximum allowable number of contiguous slabs to map,
  * must be a power of 2.  What is the appropriate value ?
@@ -20,8 +22,7 @@ struct scatterlist;
  */
 #define IO_TLB_SHIFT 11
 
-extern void
-swiotlb_init(void);
+extern void swiotlb_init(int verbose);
 
 extern void
 *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
@@ -88,4 +89,11 @@ swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
 extern int
 swiotlb_dma_supported(struct device *hwdev, u64 mask);
 
+#ifdef CONFIG_SWIOTLB
+extern void __init swiotlb_free(void);
+#else
+static inline void swiotlb_free(void) { }
+#endif
+
+extern void swiotlb_print_info(void);
 #endif /* __LINUX_SWIOTLB_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index ce2ebdc7274c..28842cecb3d2 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -101,23 +101,23 @@ struct perf_event_attr;
 
 #ifdef CONFIG_EVENT_PROFILE
 #define TRACE_SYS_ENTER_PROFILE(sname)					       \
-static int prof_sysenter_enable_##sname(void)				       \
+static int prof_sysenter_enable_##sname(struct ftrace_event_call *unused)      \
 {									       \
 	return reg_prof_syscall_enter("sys"#sname);			       \
 }									       \
 									       \
-static void prof_sysenter_disable_##sname(void)				       \
+static void prof_sysenter_disable_##sname(struct ftrace_event_call *unused)    \
 {									       \
 	unreg_prof_syscall_enter("sys"#sname);				       \
 }
 
 #define TRACE_SYS_EXIT_PROFILE(sname)					       \
-static int prof_sysexit_enable_##sname(void)				       \
+static int prof_sysexit_enable_##sname(struct ftrace_event_call *unused)       \
 {									       \
 	return reg_prof_syscall_exit("sys"#sname);			       \
 }									       \
 									       \
-static void prof_sysexit_disable_##sname(void)				       \
+static void prof_sysexit_disable_##sname(struct ftrace_event_call *unused)     \
 {                                                                              \
 	unreg_prof_syscall_exit("sys"#sname);				       \
 }
@@ -158,7 +158,7 @@ static void prof_sysexit_disable_##sname(void)				       \
 	struct trace_event enter_syscall_print_##sname = {		\
 		.trace                  = print_syscall_enter,		\
 	};								\
-	static int init_enter_##sname(void)				\
+	static int init_enter_##sname(struct ftrace_event_call *call)	\
 	{								\
 		int num, id;						\
 		num = syscall_name_to_nr("sys"#sname);			\
@@ -194,7 +194,7 @@ static void prof_sysexit_disable_##sname(void)				       \
 	struct trace_event exit_syscall_print_##sname = {		\
 		.trace                  = print_syscall_exit,		\
 	};								\
-	static int init_exit_##sname(void)				\
+	static int init_exit_##sname(struct ftrace_event_call *call)	\
 	{								\
 		int num, id;						\
 		num = syscall_name_to_nr("sys"#sname);			\
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 0482229c07db..d2ae79e21be3 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -43,6 +43,7 @@ enum tick_nohz_mode {
  * @idle_exittime:	Time when the idle state was left
  * @idle_sleeptime:	Sum of the time slept in idle with sched tick stopped
  * @sleep_length:	Duration of the current idle sleep
+ * @do_timer_lst:	CPU was the last one doing do_timer before going idle
  */
 struct tick_sched {
 	struct hrtimer			sched_timer;
@@ -64,6 +65,7 @@ struct tick_sched {
 	unsigned long			last_jiffies;
 	unsigned long			next_jiffies;
 	ktime_t				idle_expires;
+	int				do_timer_last;
 };
 
 extern void __init tick_init(void);
@@ -98,6 +100,9 @@ extern int tick_check_oneshot_change(int allow_nohz);
 extern struct tick_sched *tick_get_tick_sched(int cpu);
 extern void tick_check_idle(int cpu);
 extern int tick_oneshot_mode_active(void);
+#  ifndef arch_needs_cpu
+#   define arch_needs_cpu(cpu) (0)
+#  endif
 # else
 static inline void tick_clock_notify(void) { }
 static inline int tick_check_oneshot_change(int allow_nohz) { return 0; }
diff --git a/include/linux/time.h b/include/linux/time.h
index fe04e5ef6a59..6e026e45a179 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -148,6 +148,7 @@ extern void monotonic_to_bootbased(struct timespec *ts);
 
 extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
 extern int timekeeping_valid_for_hres(void);
+extern u64 timekeeping_max_deferment(void);
 extern void update_wall_time(void);
 extern void update_xtime_cache(u64 nsec);
 extern void timekeeping_leap_insert(int leapsecond);
diff --git a/include/linux/timex.h b/include/linux/timex.h
index e6967d10d9e5..94f8faecdcbc 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -115,13 +115,16 @@ struct timex {
 #define ADJ_OFFSET_SS_READ	0xa001	/* read-only adjtime */
 #endif
 
-/* xntp 3.4 compatibility names */
+/* NTP userland likes the MOD_ prefix better */
 #define MOD_OFFSET	ADJ_OFFSET
 #define MOD_FREQUENCY	ADJ_FREQUENCY
 #define MOD_MAXERROR	ADJ_MAXERROR
 #define MOD_ESTERROR	ADJ_ESTERROR
 #define MOD_STATUS	ADJ_STATUS
 #define MOD_TIMECONST	ADJ_TIMECONST
+#define MOD_TAI	ADJ_TAI
+#define MOD_MICRO	ADJ_MICRO
+#define MOD_NANO	ADJ_NANO
 
 
 /*
@@ -261,11 +264,7 @@ static inline int ntp_synced(void)
 
 #define NTP_SCALE_SHIFT		32
 
-#ifdef CONFIG_NO_HZ
-#define NTP_INTERVAL_FREQ  (2)
-#else
 #define NTP_INTERVAL_FREQ  (HZ)
-#endif
 #define NTP_INTERVAL_LENGTH (NSEC_PER_SEC/NTP_INTERVAL_FREQ)
 
 /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index c0c4e1103a73..7f56db4a79f0 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -110,6 +110,7 @@ extern char con_buf[CON_BUF_SIZE];
 extern struct mutex con_buf_mtx;
 extern char vt_dont_switch;
 extern int default_utf8;
+extern int global_cursor_default;
 
 struct vt_spawn_console {
 	spinlock_t lock;
@@ -130,4 +131,6 @@ struct vt_notifier_param {
 extern int register_vt_notifier(struct notifier_block *nb);
 extern int unregister_vt_notifier(struct notifier_block *nb);
 
+extern void hide_boot_cursor(bool hide);
+
 #endif /* _VT_KERN_H */
diff --git a/include/trace/events/bkl.h b/include/trace/events/bkl.h
new file mode 100644
index 000000000000..1af72dc24278
--- /dev/null
+++ b/include/trace/events/bkl.h
@@ -0,0 +1,61 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM bkl
+
+#if !defined(_TRACE_BKL_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_BKL_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(lock_kernel,
+
+	TP_PROTO(const char *func, const char *file, int line),
+
+	TP_ARGS(func, file, line),
+
+	TP_STRUCT__entry(
+		__field(	int,		depth			)
+		__field_ext(	const char *,	func, FILTER_PTR_STRING	)
+		__field_ext(	const char *,	file, FILTER_PTR_STRING	)
+		__field(	int,		line			)
+	),
+
+	TP_fast_assign(
+		/* We want to record the lock_depth after lock is acquired */
+		__entry->depth = current->lock_depth + 1;
+		__entry->func = func;
+		__entry->file = file;
+		__entry->line = line;
+	),
+
+	TP_printk("depth=%d file:line=%s:%d func=%s()", __entry->depth,
+		  __entry->file, __entry->line, __entry->func)
+);
+
+TRACE_EVENT(unlock_kernel,
+
+	TP_PROTO(const char *func, const char *file, int line),
+
+	TP_ARGS(func, file, line),
+
+	TP_STRUCT__entry(
+		__field(int,		depth		)
+		__field(const char *,	func		)
+		__field(const char *,	file		)
+		__field(int,		line		)
+	),
+
+	TP_fast_assign(
+		__entry->depth = current->lock_depth;
+		__entry->func = func;
+		__entry->file = file;
+		__entry->line = line;
+	),
+
+	TP_printk("depth=%d file:line=%s:%d func=%s()", __entry->depth,
+		  __entry->file, __entry->line, __entry->func)
+);
+
+#endif /* _TRACE_BKL_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index b89f9db4a404..dcfcd4407623 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -48,7 +48,7 @@ TRACE_EVENT(irq_handler_entry,
 		__assign_str(name, action->name);
 	),
 
-	TP_printk("irq=%d handler=%s", __entry->irq, __get_str(name))
+	TP_printk("irq=%d name=%s", __entry->irq, __get_str(name))
 );
 
 /**
@@ -78,7 +78,7 @@ TRACE_EVENT(irq_handler_exit,
 		__entry->ret	= ret;
 	),
 
-	TP_printk("irq=%d return=%s",
+	TP_printk("irq=%d ret=%s",
 		  __entry->irq, __entry->ret ? "handled" : "unhandled")
 );
 
@@ -107,7 +107,7 @@ TRACE_EVENT(softirq_entry,
 		__entry->vec = (int)(h - vec);
 	),
 
-	TP_printk("softirq=%d action=%s", __entry->vec,
+	TP_printk("vec=%d [action=%s]", __entry->vec,
 		  show_softirq_name(__entry->vec))
 );
 
@@ -136,7 +136,7 @@ TRACE_EVENT(softirq_exit,
 		__entry->vec = (int)(h - vec);
 	),
 
-	TP_printk("softirq=%d action=%s", __entry->vec,
+	TP_printk("vec=%d [action=%s]", __entry->vec,
 		  show_softirq_name(__entry->vec))
 );
 
diff --git a/include/trace/events/lockdep.h b/include/trace/events/lock.h
index bcf1d209a00d..a870ba125aa8 100644
--- a/include/trace/events/lockdep.h
+++ b/include/trace/events/lock.h
@@ -1,8 +1,8 @@
 #undef TRACE_SYSTEM
-#define TRACE_SYSTEM lockdep
+#define TRACE_SYSTEM lock
 
-#if !defined(_TRACE_LOCKDEP_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_LOCKDEP_H
+#if !defined(_TRACE_LOCK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_LOCK_H
 
 #include <linux/lockdep.h>
 #include <linux/tracepoint.h>
@@ -90,7 +90,7 @@ TRACE_EVENT(lock_acquired,
 #endif
 #endif
 
-#endif /* _TRACE_LOCKDEP_H */
+#endif /* _TRACE_LOCK_H */
 
 /* This part must be outside protection */
 #include <trace/define_trace.h>
diff --git a/include/trace/events/mce.h b/include/trace/events/mce.h
new file mode 100644
index 000000000000..7eee77895cb3
--- /dev/null
+++ b/include/trace/events/mce.h
@@ -0,0 +1,69 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM mce
+
+#if !defined(_TRACE_MCE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_MCE_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+#include <asm/mce.h>
+
+TRACE_EVENT(mce_record,
+
+	TP_PROTO(struct mce *m),
+
+	TP_ARGS(m),
+
+	TP_STRUCT__entry(
+		__field(	u64,		mcgcap		)
+		__field(	u64,		mcgstatus	)
+		__field(	u8,		bank		)
+		__field(	u64,		status		)
+		__field(	u64,		addr		)
+		__field(	u64,		misc		)
+		__field(	u64,		ip		)
+		__field(	u8,		cs		)
+		__field(	u64,		tsc		)
+		__field(	u64,		walltime	)
+		__field(	u32,		cpu		)
+		__field(	u32,		cpuid		)
+		__field(	u32,		apicid		)
+		__field(	u32,		socketid	)
+		__field(	u8,		cpuvendor	)
+	),
+
+	TP_fast_assign(
+		__entry->mcgcap		= m->mcgcap;
+		__entry->mcgstatus	= m->mcgstatus;
+		__entry->bank		= m->bank;
+		__entry->status		= m->status;
+		__entry->addr		= m->addr;
+		__entry->misc		= m->misc;
+		__entry->ip		= m->ip;
+		__entry->cs		= m->cs;
+		__entry->tsc		= m->tsc;
+		__entry->walltime	= m->time;
+		__entry->cpu		= m->extcpu;
+		__entry->cpuid		= m->cpuid;
+		__entry->apicid		= m->apicid;
+		__entry->socketid	= m->socketid;
+		__entry->cpuvendor	= m->cpuvendor;
+	),
+
+	TP_printk("CPU: %d, MCGc/s: %llx/%llx, MC%d: %016Lx, ADDR/MISC: %016Lx/%016Lx, RIP: %02x:<%016Lx>, TSC: %llx, PROCESSOR: %u:%x, TIME: %llu, SOCKET: %u, APIC: %x",
+		__entry->cpu,
+		__entry->mcgcap, __entry->mcgstatus,
+		__entry->bank, __entry->status,
+		__entry->addr, __entry->misc,
+		__entry->cs, __entry->ip,
+		__entry->tsc,
+		__entry->cpuvendor, __entry->cpuid,
+		__entry->walltime,
+		__entry->socketid,
+		__entry->apicid)
+);
+
+#endif /* _TRACE_MCE_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index ea6d579261ad..9bb96e5a2848 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -16,8 +16,6 @@ enum {
 };
 #endif
 
-
-
 TRACE_EVENT(power_start,
 
 	TP_PROTO(unsigned int type, unsigned int state),
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 4069c43f4187..b50b9856c59f 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -26,7 +26,7 @@ TRACE_EVENT(sched_kthread_stop,
 		__entry->pid	= t->pid;
 	),
 
-	TP_printk("task %s:%d", __entry->comm, __entry->pid)
+	TP_printk("comm=%s pid=%d", __entry->comm, __entry->pid)
 );
 
 /*
@@ -46,7 +46,7 @@ TRACE_EVENT(sched_kthread_stop_ret,
 		__entry->ret	= ret;
 	),
 
-	TP_printk("ret %d", __entry->ret)
+	TP_printk("ret=%d", __entry->ret)
 );
 
 /*
@@ -73,7 +73,7 @@ TRACE_EVENT(sched_wait_task,
 		__entry->prio	= p->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
+	TP_printk("comm=%s pid=%d prio=%d",
 		  __entry->comm, __entry->pid, __entry->prio)
 );
 
@@ -94,7 +94,7 @@ TRACE_EVENT(sched_wakeup,
 		__field(	pid_t,	pid			)
 		__field(	int,	prio			)
 		__field(	int,	success			)
-		__field(	int,	cpu			)
+		__field(	int,	target_cpu		)
 	),
 
 	TP_fast_assign(
@@ -102,12 +102,12 @@ TRACE_EVENT(sched_wakeup,
 		__entry->pid		= p->pid;
 		__entry->prio		= p->prio;
 		__entry->success	= success;
-		__entry->cpu		= task_cpu(p);
+		__entry->target_cpu	= task_cpu(p);
 	),
 
-	TP_printk("task %s:%d [%d] success=%d [%03d]",
+	TP_printk("comm=%s pid=%d prio=%d success=%d target_cpu=%03d",
 		  __entry->comm, __entry->pid, __entry->prio,
-		  __entry->success, __entry->cpu)
+		  __entry->success, __entry->target_cpu)
 );
 
 /*
@@ -127,7 +127,7 @@ TRACE_EVENT(sched_wakeup_new,
 		__field(	pid_t,	pid			)
 		__field(	int,	prio			)
 		__field(	int,	success			)
-		__field(	int,	cpu			)
+		__field(	int,	target_cpu		)
 	),
 
 	TP_fast_assign(
@@ -135,12 +135,12 @@ TRACE_EVENT(sched_wakeup_new,
 		__entry->pid		= p->pid;
 		__entry->prio		= p->prio;
 		__entry->success	= success;
-		__entry->cpu		= task_cpu(p);
+		__entry->target_cpu	= task_cpu(p);
 	),
 
-	TP_printk("task %s:%d [%d] success=%d [%03d]",
+	TP_printk("comm=%s pid=%d prio=%d success=%d target_cpu=%03d",
 		  __entry->comm, __entry->pid, __entry->prio,
-		  __entry->success, __entry->cpu)
+		  __entry->success, __entry->target_cpu)
 );
 
 /*
@@ -176,7 +176,7 @@ TRACE_EVENT(sched_switch,
 		__entry->next_prio	= next->prio;
 	),
 
-	TP_printk("task %s:%d [%d] (%s) ==> %s:%d [%d]",
+	TP_printk("prev_comm=%s prev_pid=%d prev_prio=%d prev_state=%s ==> next_comm=%s next_pid=%d next_prio=%d",
 		__entry->prev_comm, __entry->prev_pid, __entry->prev_prio,
 		__entry->prev_state ?
 		  __print_flags(__entry->prev_state, "|",
@@ -211,7 +211,7 @@ TRACE_EVENT(sched_migrate_task,
 		__entry->dest_cpu	= dest_cpu;
 	),
 
-	TP_printk("task %s:%d [%d] from: %d  to: %d",
+	TP_printk("comm=%s pid=%d prio=%d orig_cpu=%d dest_cpu=%d",
 		  __entry->comm, __entry->pid, __entry->prio,
 		  __entry->orig_cpu, __entry->dest_cpu)
 );
@@ -237,7 +237,7 @@ TRACE_EVENT(sched_process_free,
 		__entry->prio		= p->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
+	TP_printk("comm=%s pid=%d prio=%d",
 		  __entry->comm, __entry->pid, __entry->prio)
 );
 
@@ -262,7 +262,7 @@ TRACE_EVENT(sched_process_exit,
 		__entry->prio		= p->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
+	TP_printk("comm=%s pid=%d prio=%d",
 		  __entry->comm, __entry->pid, __entry->prio)
 );
 
@@ -287,7 +287,7 @@ TRACE_EVENT(sched_process_wait,
 		__entry->prio		= current->prio;
 	),
 
-	TP_printk("task %s:%d [%d]",
+	TP_printk("comm=%s pid=%d prio=%d",
 		  __entry->comm, __entry->pid, __entry->prio)
 );
 
@@ -314,7 +314,7 @@ TRACE_EVENT(sched_process_fork,
 		__entry->child_pid	= child->pid;
 	),
 
-	TP_printk("parent %s:%d  child %s:%d",
+	TP_printk("comm=%s pid=%d child_comm=%s child_pid=%d",
 		__entry->parent_comm, __entry->parent_pid,
 		__entry->child_comm, __entry->child_pid)
 );
@@ -340,7 +340,7 @@ TRACE_EVENT(sched_signal_send,
 		__entry->sig	= sig;
 	),
 
-	TP_printk("sig: %d  task %s:%d",
+	TP_printk("sig=%d comm=%s pid=%d",
 		  __entry->sig, __entry->comm, __entry->pid)
 );
 
@@ -374,7 +374,7 @@ TRACE_EVENT(sched_stat_wait,
 		__perf_count(delay);
 	),
 
-	TP_printk("task: %s:%d wait: %Lu [ns]",
+	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
 			__entry->comm, __entry->pid,
 			(unsigned long long)__entry->delay)
 );
@@ -406,7 +406,7 @@ TRACE_EVENT(sched_stat_runtime,
 		__perf_count(runtime);
 	),
 
-	TP_printk("task: %s:%d runtime: %Lu [ns], vruntime: %Lu [ns]",
+	TP_printk("comm=%s pid=%d runtime=%Lu [ns] vruntime=%Lu [ns]",
 			__entry->comm, __entry->pid,
 			(unsigned long long)__entry->runtime,
 			(unsigned long long)__entry->vruntime)
@@ -437,7 +437,7 @@ TRACE_EVENT(sched_stat_sleep,
 		__perf_count(delay);
 	),
 
-	TP_printk("task: %s:%d sleep: %Lu [ns]",
+	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
 			__entry->comm, __entry->pid,
 			(unsigned long long)__entry->delay)
 );
@@ -467,7 +467,7 @@ TRACE_EVENT(sched_stat_iowait,
 		__perf_count(delay);
 	),
 
-	TP_printk("task: %s:%d iowait: %Lu [ns]",
+	TP_printk("comm=%s pid=%d delay=%Lu [ns]",
 			__entry->comm, __entry->pid,
 			(unsigned long long)__entry->delay)
 );
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index 1844c48d640e..e5ce87a0498d 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -26,7 +26,7 @@ TRACE_EVENT(timer_init,
 		__entry->timer	= timer;
 	),
 
-	TP_printk("timer %p", __entry->timer)
+	TP_printk("timer=%p", __entry->timer)
 );
 
 /**
@@ -54,7 +54,7 @@ TRACE_EVENT(timer_start,
 		__entry->now		= jiffies;
 	),
 
-	TP_printk("timer %p: func %pf, expires %lu, timeout %ld",
+	TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld]",
 		  __entry->timer, __entry->function, __entry->expires,
 		  (long)__entry->expires - __entry->now)
 );
@@ -81,7 +81,7 @@ TRACE_EVENT(timer_expire_entry,
 		__entry->now		= jiffies;
 	),
 
-	TP_printk("timer %p: now %lu", __entry->timer, __entry->now)
+	TP_printk("timer=%p now=%lu", __entry->timer, __entry->now)
 );
 
 /**
@@ -108,7 +108,7 @@ TRACE_EVENT(timer_expire_exit,
 		__entry->timer	= timer;
 	),
 
-	TP_printk("timer %p", __entry->timer)
+	TP_printk("timer=%p", __entry->timer)
 );
 
 /**
@@ -129,7 +129,7 @@ TRACE_EVENT(timer_cancel,
 		__entry->timer	= timer;
 	),
 
-	TP_printk("timer %p", __entry->timer)
+	TP_printk("timer=%p", __entry->timer)
 );
 
 /**
@@ -140,24 +140,24 @@ TRACE_EVENT(timer_cancel,
  */
 TRACE_EVENT(hrtimer_init,
 
-	TP_PROTO(struct hrtimer *timer, clockid_t clockid,
+	TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
 		 enum hrtimer_mode mode),
 
-	TP_ARGS(timer, clockid, mode),
+	TP_ARGS(hrtimer, clockid, mode),
 
 	TP_STRUCT__entry(
-		__field( void *,		timer		)
+		__field( void *,		hrtimer		)
 		__field( clockid_t,		clockid		)
 		__field( enum hrtimer_mode,	mode		)
 	),
 
 	TP_fast_assign(
-		__entry->timer		= timer;
+		__entry->hrtimer	= hrtimer;
 		__entry->clockid	= clockid;
 		__entry->mode		= mode;
 	),
 
-	TP_printk("hrtimer %p, clockid %s, mode %s", __entry->timer,
+	TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer,
 		  __entry->clockid == CLOCK_REALTIME ?
 			"CLOCK_REALTIME" : "CLOCK_MONOTONIC",
 		  __entry->mode == HRTIMER_MODE_ABS ?
@@ -170,26 +170,26 @@ TRACE_EVENT(hrtimer_init,
  */
 TRACE_EVENT(hrtimer_start,
 
-	TP_PROTO(struct hrtimer *timer),
+	TP_PROTO(struct hrtimer *hrtimer),
 
-	TP_ARGS(timer),
+	TP_ARGS(hrtimer),
 
 	TP_STRUCT__entry(
-		__field( void *,	timer		)
+		__field( void *,	hrtimer		)
 		__field( void *,	function	)
 		__field( s64,		expires		)
 		__field( s64,		softexpires	)
 	),
 
 	TP_fast_assign(
-		__entry->timer		= timer;
-		__entry->function	= timer->function;
-		__entry->expires	= hrtimer_get_expires(timer).tv64;
-		__entry->softexpires	= hrtimer_get_softexpires(timer).tv64;
+		__entry->hrtimer	= hrtimer;
+		__entry->function	= hrtimer->function;
+		__entry->expires	= hrtimer_get_expires(hrtimer).tv64;
+		__entry->softexpires	= hrtimer_get_softexpires(hrtimer).tv64;
 	),
 
-	TP_printk("hrtimer %p, func %pf, expires %llu, softexpires %llu",
-		  __entry->timer, __entry->function,
+	TP_printk("hrtimer=%p function=%pf expires=%llu softexpires=%llu",
+		  __entry->hrtimer, __entry->function,
 		  (unsigned long long)ktime_to_ns((ktime_t) {
 				  .tv64 = __entry->expires }),
 		  (unsigned long long)ktime_to_ns((ktime_t) {
@@ -206,23 +206,22 @@ TRACE_EVENT(hrtimer_start,
  */
 TRACE_EVENT(hrtimer_expire_entry,
 
-	TP_PROTO(struct hrtimer *timer, ktime_t *now),
+	TP_PROTO(struct hrtimer *hrtimer, ktime_t *now),
 
-	TP_ARGS(timer, now),
+	TP_ARGS(hrtimer, now),
 
 	TP_STRUCT__entry(
-		__field( void *,	timer	)
+		__field( void *,	hrtimer	)
 		__field( s64,		now	)
 	),
 
 	TP_fast_assign(
-		__entry->timer	= timer;
-		__entry->now	= now->tv64;
+		__entry->hrtimer	= hrtimer;
+		__entry->now		= now->tv64;
 	),
 
-	TP_printk("hrtimer %p, now %llu", __entry->timer,
-		  (unsigned long long)ktime_to_ns((ktime_t) {
-				  .tv64 = __entry->now }))
+	TP_printk("hrtimer=%p now=%llu", __entry->hrtimer,
+		  (unsigned long long)ktime_to_ns((ktime_t) { .tv64 = __entry->now }))
  );
 
 /**
@@ -234,40 +233,40 @@ TRACE_EVENT(hrtimer_expire_entry,
  */
 TRACE_EVENT(hrtimer_expire_exit,
 
-	TP_PROTO(struct hrtimer *timer),
+	TP_PROTO(struct hrtimer *hrtimer),
 
-	TP_ARGS(timer),
+	TP_ARGS(hrtimer),
 
 	TP_STRUCT__entry(
-		__field( void *,	timer	)
+		__field( void *,	hrtimer	)
 	),
 
 	TP_fast_assign(
-		__entry->timer	= timer;
+		__entry->hrtimer	= hrtimer;
 	),
 
-	TP_printk("hrtimer %p", __entry->timer)
+	TP_printk("hrtimer=%p", __entry->hrtimer)
 );
 
 /**
  * hrtimer_cancel - called when the hrtimer is canceled
- * @timer:	pointer to struct hrtimer
+ * @hrtimer:	pointer to struct hrtimer
  */
 TRACE_EVENT(hrtimer_cancel,
 
-	TP_PROTO(struct hrtimer *timer),
+	TP_PROTO(struct hrtimer *hrtimer),
 
-	TP_ARGS(timer),
+	TP_ARGS(hrtimer),
 
 	TP_STRUCT__entry(
-		__field( void *,	timer	)
+		__field( void *,	hrtimer	)
 	),
 
 	TP_fast_assign(
-		__entry->timer	= timer;
+		__entry->hrtimer	= hrtimer;
 	),
 
-	TP_printk("hrtimer %p", __entry->timer)
+	TP_printk("hrtimer=%p", __entry->hrtimer)
 );
 
 /**
@@ -302,7 +301,7 @@ TRACE_EVENT(itimer_state,
 		__entry->interval_usec	= value->it_interval.tv_usec;
 	),
 
-	TP_printk("which %d, expires %lu, it_value %lu.%lu, it_interval %lu.%lu",
+	TP_printk("which=%d expires=%lu it_value=%lu.%lu it_interval=%lu.%lu",
 		  __entry->which, __entry->expires,
 		  __entry->value_sec, __entry->value_usec,
 		  __entry->interval_sec, __entry->interval_usec)
@@ -332,7 +331,7 @@ TRACE_EVENT(itimer_expire,
 		__entry->pid	= pid_nr(pid);
 	),
 
-	    TP_printk("which %d, pid %d, now %lu", __entry->which,
+	    TP_printk("which=%d pid=%d now=%lu", __entry->which,
 		      (int) __entry->pid, __entry->now)
 );
 
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index cc0d9667e182..f6a3fbc1e628 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -120,9 +120,10 @@
 #undef __field
 #define __field(type, item)					\
 	ret = trace_seq_printf(s, "\tfield:" #type " " #item ";\t"	\
-			       "offset:%u;\tsize:%u;\n",		\
+			       "offset:%u;\tsize:%u;\tsigned:%u;\n",	\
 			       (unsigned int)offsetof(typeof(field), item), \
-			       (unsigned int)sizeof(field.item));	\
+			       (unsigned int)sizeof(field.item),	\
+			       (unsigned int)is_signed_type(type));	\
 	if (!ret)							\
 		return 0;
 
@@ -132,19 +133,21 @@
 #undef __array
 #define __array(type, item, len)						\
 	ret = trace_seq_printf(s, "\tfield:" #type " " #item "[" #len "];\t"	\
-			       "offset:%u;\tsize:%u;\n",		\
+			       "offset:%u;\tsize:%u;\tsigned:%u;\n",	\
 			       (unsigned int)offsetof(typeof(field), item), \
-			       (unsigned int)sizeof(field.item));	\
+			       (unsigned int)sizeof(field.item),	\
+			       (unsigned int)is_signed_type(type));	\
 	if (!ret)							\
 		return 0;
 
 #undef __dynamic_array
 #define __dynamic_array(type, item, len)				       \
 	ret = trace_seq_printf(s, "\tfield:__data_loc " #type "[] " #item ";\t"\
-			       "offset:%u;\tsize:%u;\n",		       \
+			       "offset:%u;\tsize:%u;\tsigned:%u;\n",	       \
 			       (unsigned int)offsetof(typeof(field),	       \
 					__data_loc_##item),		       \
-			       (unsigned int)sizeof(field.__data_loc_##item)); \
+			       (unsigned int)sizeof(field.__data_loc_##item), \
+			       (unsigned int)is_signed_type(type));	\
 	if (!ret)							       \
 		return 0;
 
@@ -159,7 +162,7 @@
 #undef __get_str
 
 #undef TP_printk
-#define TP_printk(fmt, args...) "%s, %s\n", #fmt, __stringify(args)
+#define TP_printk(fmt, args...) "\"%s\", %s\n", fmt, __stringify(args)
 
 #undef TP_fast_assign
 #define TP_fast_assign(args...) args
@@ -399,12 +402,12 @@ static inline int ftrace_get_offsets_##call(				\
 									\
 static void ftrace_profile_##call(proto);				\
 									\
-static int ftrace_profile_enable_##call(void)				\
+static int ftrace_profile_enable_##call(struct ftrace_event_call *unused)\
 {									\
 	return register_trace_##call(ftrace_profile_##call);		\
 }									\
 									\
-static void ftrace_profile_disable_##call(void)				\
+static void ftrace_profile_disable_##call(struct ftrace_event_call *unused)\
 {									\
 	unregister_trace_##call(ftrace_profile_##call);			\
 }
@@ -423,7 +426,7 @@ static void ftrace_profile_disable_##call(void)				\
  *	event_trace_printk(_RET_IP_, "<call>: " <fmt>);
  * }
  *
- * static int ftrace_reg_event_<call>(void)
+ * static int ftrace_reg_event_<call>(struct ftrace_event_call *unused)
  * {
  *	int ret;
  *
@@ -434,7 +437,7 @@ static void ftrace_profile_disable_##call(void)				\
  *	return ret;
  * }
  *
- * static void ftrace_unreg_event_<call>(void)
+ * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
  * {
  *	unregister_trace_<call>(ftrace_event_<call>);
  * }
@@ -469,7 +472,7 @@ static void ftrace_profile_disable_##call(void)				\
  *	trace_current_buffer_unlock_commit(buffer, event, irq_flags, pc);
  * }
  *
- * static int ftrace_raw_reg_event_<call>(void)
+ * static int ftrace_raw_reg_event_<call>(struct ftrace_event_call *unused)
  * {
  *	int ret;
  *
@@ -480,7 +483,7 @@ static void ftrace_profile_disable_##call(void)				\
  *	return ret;
  * }
  *
- * static void ftrace_unreg_event_<call>(void)
+ * static void ftrace_unreg_event_<call>(struct ftrace_event_call *unused)
  * {
  *	unregister_trace_<call>(ftrace_raw_event_<call>);
  * }
@@ -489,7 +492,7 @@ static void ftrace_profile_disable_##call(void)				\
  *	.trace			= ftrace_raw_output_<call>, <-- stage 2
  * };
  *
- * static int ftrace_raw_init_event_<call>(void)
+ * static int ftrace_raw_init_event_<call>(struct ftrace_event_call *unused)
  * {
  *	int id;
  *
@@ -586,7 +589,7 @@ static void ftrace_raw_event_##call(proto)				\
 						  event, irq_flags, pc); \
 }									\
 									\
-static int ftrace_raw_reg_event_##call(void *ptr)			\
+static int ftrace_raw_reg_event_##call(struct ftrace_event_call *unused)\
 {									\
 	int ret;							\
 									\
@@ -597,7 +600,7 @@ static int ftrace_raw_reg_event_##call(void *ptr)			\
 	return ret;							\
 }									\
 									\
-static void ftrace_raw_unreg_event_##call(void *ptr)			\
+static void ftrace_raw_unreg_event_##call(struct ftrace_event_call *unused)\
 {									\
 	unregister_trace_##call(ftrace_raw_event_##call);		\
 }									\
@@ -606,7 +609,7 @@ static struct trace_event ftrace_event_type_##call = {			\
 	.trace			= ftrace_raw_output_##call,		\
 };									\
 									\
-static int ftrace_raw_init_event_##call(void)				\
+static int ftrace_raw_init_event_##call(struct ftrace_event_call *unused)\
 {									\
 	int id;								\
 									\
@@ -646,6 +649,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
  *	struct ftrace_event_call *event_call = &event_<call>;
  *	extern void perf_tp_event(int, u64, u64, void *, int);
  *	struct ftrace_raw_##call *entry;
+ *	struct perf_trace_buf *trace_buf;
  *	u64 __addr = 0, __count = 1;
  *	unsigned long irq_flags;
  *	struct trace_entry *ent;
@@ -670,14 +674,25 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
  *	__cpu = smp_processor_id();
  *
  *	if (in_nmi())
- *		raw_data = rcu_dereference(trace_profile_buf_nmi);
+ *		trace_buf = rcu_dereference(perf_trace_buf_nmi);
  *	else
- *		raw_data = rcu_dereference(trace_profile_buf);
+ *		trace_buf = rcu_dereference(perf_trace_buf);
  *
- *	if (!raw_data)
+ *	if (!trace_buf)
  *		goto end;
  *
- *	raw_data = per_cpu_ptr(raw_data, __cpu);
+ *	trace_buf = per_cpu_ptr(trace_buf, __cpu);
+ *
+ * 	// Avoid recursion from perf that could mess up the buffer
+ * 	if (trace_buf->recursion++)
+ *		goto end_recursion;
+ *
+ * 	raw_data = trace_buf->buf;
+ *
+ *	// Make recursion update visible before entering perf_tp_event
+ *	// so that we protect from perf recursions.
+ *
+ *	barrier();
  *
  *	//zero dead bytes from alignment to avoid stack leak to userspace:
  *	*(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL;
@@ -709,16 +724,20 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 static void ftrace_profile_##call(proto)				\
 {									\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
+	extern int perf_swevent_get_recursion_context(void);		\
+	extern void perf_swevent_put_recursion_context(int rctx);	\
 	struct ftrace_event_call *event_call = &event_##call;		\
-	extern void perf_tp_event(int, u64, u64, void *, int);	\
+	extern void perf_tp_event(int, u64, u64, void *, int);		\
 	struct ftrace_raw_##call *entry;				\
 	u64 __addr = 0, __count = 1;					\
 	unsigned long irq_flags;					\
 	struct trace_entry *ent;					\
 	int __entry_size;						\
 	int __data_size;						\
+	char *trace_buf;						\
 	char *raw_data;							\
 	int __cpu;							\
+	int rctx;							\
 	int pc;								\
 									\
 	pc = preempt_count();						\
@@ -733,17 +752,22 @@ static void ftrace_profile_##call(proto)				\
 		return;							\
 									\
 	local_irq_save(irq_flags);					\
+									\
+	rctx = perf_swevent_get_recursion_context();			\
+	if (rctx < 0)							\
+		goto end_recursion;					\
+									\
 	__cpu = smp_processor_id();					\
 									\
 	if (in_nmi())							\
-		raw_data = rcu_dereference(trace_profile_buf_nmi);		\
+		trace_buf = rcu_dereference(perf_trace_buf_nmi);	\
 	else								\
-		raw_data = rcu_dereference(trace_profile_buf);		\
+		trace_buf = rcu_dereference(perf_trace_buf);		\
 									\
-	if (!raw_data)							\
+	if (!trace_buf)							\
 		goto end;						\
 									\
-	raw_data = per_cpu_ptr(raw_data, __cpu);			\
+	raw_data = per_cpu_ptr(trace_buf, __cpu);			\
 									\
 	*(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL;		\
 	entry = (struct ftrace_raw_##call *)raw_data;			\
@@ -759,6 +783,8 @@ static void ftrace_profile_##call(proto)				\
 			     __entry_size);				\
 									\
 end:									\
+	perf_swevent_put_recursion_context(rctx);			\
+end_recursion:								\
 	local_irq_restore(irq_flags);					\
 									\
 }
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 5dc283ba5ae0..51ee17d3632a 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -33,22 +33,25 @@ struct syscall_metadata {
 };
 
 #ifdef CONFIG_FTRACE_SYSCALLS
-extern struct syscall_metadata *syscall_nr_to_meta(int nr);
+extern unsigned long arch_syscall_addr(int nr);
 extern int syscall_name_to_nr(char *name);
 void set_syscall_enter_id(int num, int id);
 void set_syscall_exit_id(int num, int id);
 extern struct trace_event event_syscall_enter;
 extern struct trace_event event_syscall_exit;
-extern int reg_event_syscall_enter(void *ptr);
-extern void unreg_event_syscall_enter(void *ptr);
-extern int reg_event_syscall_exit(void *ptr);
-extern void unreg_event_syscall_exit(void *ptr);
+
 extern int syscall_enter_format(struct ftrace_event_call *call,
 				struct trace_seq *s);
 extern int syscall_exit_format(struct ftrace_event_call *call,
 				struct trace_seq *s);
 extern int syscall_enter_define_fields(struct ftrace_event_call *call);
 extern int syscall_exit_define_fields(struct ftrace_event_call *call);
+extern int reg_event_syscall_enter(struct ftrace_event_call *call);
+extern void unreg_event_syscall_enter(struct ftrace_event_call *call);
+extern int reg_event_syscall_exit(struct ftrace_event_call *call);
+extern void unreg_event_syscall_exit(struct ftrace_event_call *call);
+extern int
+ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s);
 enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags);
 enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
 #endif