Merge ../linux-2.6-x86

Conflicts:

	arch/x86/kernel/io_apic.c
	kernel/sched.c
	kernel/sched_stats.h

34 files changed, 889 insertions, 279 deletions

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 80744606bad1..eba835a2c2cd 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -45,6 +45,22 @@
 #define MCOUNT_REC()
 #endif
 
+#ifdef CONFIG_TRACE_BRANCH_PROFILING
+#define LIKELY_PROFILE()        VMLINUX_SYMBOL(__start_annotated_branch_profile) = .; \
+                                *(_ftrace_annotated_branch)                           \
+                                VMLINUX_SYMBOL(__stop_annotated_branch_profile) = .;
+#else
+#define LIKELY_PROFILE()
+#endif
+
+#ifdef CONFIG_PROFILE_ALL_BRANCHES
+#define BRANCH_PROFILE()        VMLINUX_SYMBOL(__start_branch_profile) = .;   \
+                                *(_ftrace_branch)                             \
+                                VMLINUX_SYMBOL(__stop_branch_profile) = .;
+#else
+#define BRANCH_PROFILE()
+#endif
+
 /* .data section */
 #define DATA_DATA                                                       \
         *(.data)                                                        \
@@ -60,9 +76,12 @@
         VMLINUX_SYMBOL(__start___markers) = .;                          \
         *(__markers)                                                    \
         VMLINUX_SYMBOL(__stop___markers) = .;                           \
+        . = ALIGN(32);                                                  \
         VMLINUX_SYMBOL(__start___tracepoints) = .;                      \
         *(__tracepoints)                                                \
-        VMLINUX_SYMBOL(__stop___tracepoints) = .;
+        VMLINUX_SYMBOL(__stop___tracepoints) = .;                       \
+        LIKELY_PROFILE()                                                \
+        BRANCH_PROFILE()
 
 #define RO_DATA(align)                                                  \
         . = ALIGN((align));                                             \
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 70a57c8c002b..c980f5ba8de7 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -23,7 +23,7 @@
  */
 
 #if defined(CONFIG_FRAME_POINTER) || \
-        !defined(CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER)
+        !defined(CONFIG_SCHED_OMIT_FRAME_POINTER)
 #define M32R_PUSH_FP "  push fp\n"
 #define M32R_POP_FP  "  pop  fp\n"
 #else
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index e531783e5d78..95ac82340c3b 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -313,6 +313,7 @@ unifdef-y += ptrace.h
 unifdef-y += qnx4_fs.h
 unifdef-y += quota.h
 unifdef-y += random.h
+unifdef-y += irqnr.h
 unifdef-y += reboot.h
 unifdef-y += reiserfs_fs.h
 unifdef-y += reiserfs_xattr.h
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index bdf505d33e77..1dba3493d520 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -160,7 +160,6 @@ struct blk_trace {
 
 extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
 extern void blk_trace_shutdown(struct request_queue *);
-extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);
 extern int do_blk_trace_setup(struct request_queue *q,
         char *name, dev_t dev, struct blk_user_trace_setup *buts);
 extern void __trace_note_message(struct blk_trace *, const char *fmt, ...);
@@ -186,168 +185,8 @@ extern void __trace_note_message(struct blk_trace *, const char *fmt, ...);
         } while (0)
 #define BLK_TN_MAX_MSG          128
 
-/**
- * blk_add_trace_rq - Add a trace for a request oriented action
- * @q:          queue the io is for
- * @rq:         the source request
- * @what:       the action
- *
- * Description:
- *     Records an action against a request. Will log the bio offset + size.
- *
- **/
-static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq,
-                                    u32 what)
-{
-        struct blk_trace *bt = q->blk_trace;
-        int rw = rq->cmd_flags & 0x03;
-
-        if (likely(!bt))
-                return;
-
-        if (blk_discard_rq(rq))
-                rw |= (1 << BIO_RW_DISCARD);
-
-        if (blk_pc_request(rq)) {
-                what |= BLK_TC_ACT(BLK_TC_PC);
-                __blk_add_trace(bt, 0, rq->data_len, rw, what, rq->errors, sizeof(rq->cmd), rq->cmd);
-        } else  {
-                what |= BLK_TC_ACT(BLK_TC_FS);
-                __blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9, rw, what, rq->errors, 0, NULL);
-        }
-}
-
-/**
- * blk_add_trace_bio - Add a trace for a bio oriented action
- * @q:          queue the io is for
- * @bio:        the source bio
- * @what:       the action
- *
- * Description:
- *     Records an action against a bio. Will log the bio offset + size.
- *
- **/
-static inline void blk_add_trace_bio(struct request_queue *q, struct bio *bio,
-                                     u32 what)
-{
-        struct blk_trace *bt = q->blk_trace;
-
-        if (likely(!bt))
-                return;
-
-        __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), 0, NULL);
-}
-
-/**
- * blk_add_trace_generic - Add a trace for a generic action
- * @q:          queue the io is for
- * @bio:        the source bio
- * @rw:         the data direction
- * @what:       the action
- *
- * Description:
- *     Records a simple trace
- *
- **/
-static inline void blk_add_trace_generic(struct request_queue *q,
-                                         struct bio *bio, int rw, u32 what)
-{
-        struct blk_trace *bt = q->blk_trace;
-
-        if (likely(!bt))
-                return;
-
-        if (bio)
-                blk_add_trace_bio(q, bio, what);
-        else
-                __blk_add_trace(bt, 0, 0, rw, what, 0, 0, NULL);
-}
-
-/**
- * blk_add_trace_pdu_int - Add a trace for a bio with an integer payload
- * @q:          queue the io is for
- * @what:       the action
- * @bio:        the source bio
- * @pdu:        the integer payload
- *
- * Description:
- *     Adds a trace with some integer payload. This might be an unplug
- *     option given as the action, with the depth at unplug time given
- *     as the payload
- *
- **/
-static inline void blk_add_trace_pdu_int(struct request_queue *q, u32 what,
-                                         struct bio *bio, unsigned int pdu)
-{
-        struct blk_trace *bt = q->blk_trace;
-        __be64 rpdu = cpu_to_be64(pdu);
-
-        if (likely(!bt))
-                return;
-
-        if (bio)
-                __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), sizeof(rpdu), &rpdu);
-        else
-                __blk_add_trace(bt, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu);
-}
-
-/**
- * blk_add_trace_remap - Add a trace for a remap operation
- * @q:          queue the io is for
- * @bio:        the source bio
- * @dev:        target device
- * @from:       source sector
- * @to:         target sector
- *
- * Description:
- *     Device mapper or raid target sometimes need to split a bio because
- *     it spans a stripe (or similar). Add a trace for that action.
- *
- **/
-static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
-                                       dev_t dev, sector_t from, sector_t to)
-{
-        struct blk_trace *bt = q->blk_trace;
-        struct blk_io_trace_remap r;
-
-        if (likely(!bt))
-                return;
-
-        r.device = cpu_to_be32(dev);
-        r.device_from = cpu_to_be32(bio->bi_bdev->bd_dev);
-        r.sector = cpu_to_be64(to);
-
-        __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r);
-}
-
-/**
- * blk_add_driver_data - Add binary message with driver-specific data
- * @q:          queue the io is for
- * @rq:         io request
- * @data:       driver-specific data
- * @len:        length of driver-specific data
- *
- * Description:
- *     Some drivers might want to write driver-specific data per request.
- *
- **/
-static inline void blk_add_driver_data(struct request_queue *q,
-                                       struct request *rq,
-                                       void *data, size_t len)
-{
-        struct blk_trace *bt = q->blk_trace;
-
-        if (likely(!bt))
-                return;
-
-        if (blk_pc_request(rq))
-                __blk_add_trace(bt, 0, rq->data_len, 0, BLK_TA_DRV_DATA,
-                                rq->errors, len, data);
-        else
-                __blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9,
-                                0, BLK_TA_DRV_DATA, rq->errors, len, data);
-}
-
+extern void blk_add_driver_data(struct request_queue *q, struct request *rq,
+                                void *data, size_t len);
 extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
                            char __user *arg);
 extern int blk_trace_startstop(struct request_queue *q, int start);
@@ -356,13 +195,8 @@ extern int blk_trace_remove(struct request_queue *q);
 #else /* !CONFIG_BLK_DEV_IO_TRACE */
 #define blk_trace_ioctl(bdev, cmd, arg)         (-ENOTTY)
 #define blk_trace_shutdown(q)                   do { } while (0)
-#define blk_add_trace_rq(q, rq, what)           do { } while (0)
-#define blk_add_trace_bio(q, rq, what)          do { } while (0)
-#define blk_add_trace_generic(q, rq, rw, what)  do { } while (0)
-#define blk_add_trace_pdu_int(q, what, bio, pdu)        do { } while (0)
-#define blk_add_trace_remap(q, bio, dev, f, t)  do {} while (0)
-#define blk_add_driver_data(q, rq, data, len)   do {} while (0)
 #define do_blk_trace_setup(q, name, dev, buts)  (-ENOTTY)
+#define blk_add_driver_data(q, rq, data, len)   do {} while (0)
 #define blk_trace_setup(q, name, dev, arg)      (-ENOTTY)
 #define blk_trace_startstop(q, start)           (-ENOTTY)
 #define blk_trace_remove(q)                     (-ENOTTY)
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 98115d9d04da..ea7c6be354b7 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -59,8 +59,88 @@ extern void __chk_io_ptr(const volatile void __iomem *);
  * specific implementations come from the above header files
  */
 
-#define likely(x)       __builtin_expect(!!(x), 1)
-#define unlikely(x)     __builtin_expect(!!(x), 0)
+struct ftrace_branch_data {
+        const char *func;
+        const char *file;
+        unsigned line;
+        union {
+                struct {
+                        unsigned long correct;
+                        unsigned long incorrect;
+                };
+                struct {
+                        unsigned long miss;
+                        unsigned long hit;
+                };
+        };
+};
+
+/*
+ * Note: DISABLE_BRANCH_PROFILING can be used by special lowlevel code
+ * to disable branch tracing on a per file basis.
+ */
+#if defined(CONFIG_TRACE_BRANCH_PROFILING) && !defined(DISABLE_BRANCH_PROFILING)
+void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
+
+#define likely_notrace(x)       __builtin_expect(!!(x), 1)
+#define unlikely_notrace(x)     __builtin_expect(!!(x), 0)
+
+#define __branch_check__(x, expect) ({                                  \
+                        int ______r;                                    \
+                        static struct ftrace_branch_data                \
+                                __attribute__((__aligned__(4)))         \
+                                __attribute__((section("_ftrace_annotated_branch"))) \
+                                ______f = {                             \
+                                .func = __func__,                       \
+                                .file = __FILE__,                       \
+                                .line = __LINE__,                       \
+                        };                                              \
+                        ______r = likely_notrace(x);                    \
+                        ftrace_likely_update(&______f, ______r, expect); \
+                        ______r;                                        \
+                })
+
+/*
+ * Using __builtin_constant_p(x) to ignore cases where the return
+ * value is always the same.  This idea is taken from a similar patch
+ * written by Daniel Walker.
+ */
+# ifndef likely
+#  define likely(x)     (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 1))
+# endif
+# ifndef unlikely
+#  define unlikely(x)   (__builtin_constant_p(x) ? !!(x) : __branch_check__(x, 0))
+# endif
+
+#ifdef CONFIG_PROFILE_ALL_BRANCHES
+/*
+ * "Define 'is'", Bill Clinton
+ * "Define 'if'", Steven Rostedt
+ */
+#define if(cond) if (__builtin_constant_p((cond)) ? !!(cond) :          \
+        ({                                                              \
+                int ______r;                                            \
+                static struct ftrace_branch_data                        \
+                        __attribute__((__aligned__(4)))                 \
+                        __attribute__((section("_ftrace_branch")))      \
+                        ______f = {                                     \
+                                .func = __func__,                       \
+                                .file = __FILE__,                       \
+                                .line = __LINE__,                       \
+                        };                                              \
+                ______r = !!(cond);                                     \
+                if (______r)                                            \
+                        ______f.hit++;                                  \
+                else                                                    \
+                        ______f.miss++;                                 \
+                ______r;                                                \
+        }))
+#endif /* CONFIG_PROFILE_ALL_BRANCHES */
+
+#else
+# define likely(x)      __builtin_expect(!!(x), 1)
+# define unlikely(x)    __builtin_expect(!!(x), 0)
+#endif
 
 /* Optimization barrier */
 #ifndef barrier
diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index 4aaa4afb1cb9..096476f1fb35 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -17,7 +17,7 @@ extern int debug_locks_off(void);
 ({                                                                      \
         int __ret = 0;                                                  \
                                                                         \
-        if (unlikely(c)) {                                              \
+        if (!oops_in_progress && unlikely(c)) {                         \
                 if (debug_locks_off() && !debug_locks_silent)           \
                         WARN_ON(1);                                     \
                 __ret = 1;                                              \
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 9c5bc6be2b09..985b28dc2ba9 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -8,6 +8,8 @@
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kallsyms.h>
+#include <linux/bitops.h>
+#include <linux/sched.h>
 
 #ifdef CONFIG_FUNCTION_TRACER
 
@@ -24,6 +26,45 @@ struct ftrace_ops {
         struct ftrace_ops *next;
 };
 
+extern int function_trace_stop;
+
+/*
+ * Type of the current tracing.
+ */
+enum ftrace_tracing_type_t {
+        FTRACE_TYPE_ENTER = 0, /* Hook the call of the function */
+        FTRACE_TYPE_RETURN,     /* Hook the return of the function */
+};
+
+/* Current tracing type, default is FTRACE_TYPE_ENTER */
+extern enum ftrace_tracing_type_t ftrace_tracing_type;
+
+/**
+ * ftrace_stop - stop function tracer.
+ *
+ * A quick way to stop the function tracer. Note this an on off switch,
+ * it is not something that is recursive like preempt_disable.
+ * This does not disable the calling of mcount, it only stops the
+ * calling of functions from mcount.
+ */
+static inline void ftrace_stop(void)
+{
+        function_trace_stop = 1;
+}
+
+/**
+ * ftrace_start - start the function tracer.
+ *
+ * This function is the inverse of ftrace_stop. This does not enable
+ * the function tracing if the function tracer is disabled. This only
+ * sets the function tracer flag to continue calling the functions
+ * from mcount.
+ */
+static inline void ftrace_start(void)
+{
+        function_trace_stop = 0;
+}
+
 /*
  * The ftrace_ops must be a static and should also
  * be read_mostly.  These functions do modify read_mostly variables
@@ -42,9 +83,13 @@ extern void ftrace_stub(unsigned long a0, unsigned long a1);
 # define unregister_ftrace_function(ops) do { } while (0)
 # define clear_ftrace_function(ops) do { } while (0)
 static inline void ftrace_kill(void) { }
+static inline void ftrace_stop(void) { }
+static inline void ftrace_start(void) { }
 #endif /* CONFIG_FUNCTION_TRACER */
 
 #ifdef CONFIG_DYNAMIC_FTRACE
+/* asm/ftrace.h must be defined for archs supporting dynamic ftrace */
+#include <asm/ftrace.h>
 
 enum {
         FTRACE_FL_FREE          = (1 << 0),
@@ -60,6 +105,7 @@ struct dyn_ftrace {
         struct list_head        list;
         unsigned long           ip; /* address of mcount call-site */
         unsigned long           flags;
+        struct dyn_arch_ftrace  arch;
 };
 
 int ftrace_force_update(void);
@@ -67,19 +113,25 @@ void ftrace_set_filter(unsigned char *buf, int len, int reset);
 
 /* defined in arch */
 extern int ftrace_ip_converted(unsigned long ip);
-extern unsigned char *ftrace_nop_replace(void);
-extern unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr);
 extern int ftrace_dyn_arch_init(void *data);
 extern int ftrace_update_ftrace_func(ftrace_func_t func);
 extern void ftrace_caller(void);
 extern void ftrace_call(void);
 extern void mcount_call(void);
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+extern void ftrace_graph_caller(void);
+extern int ftrace_enable_ftrace_graph_caller(void);
+extern int ftrace_disable_ftrace_graph_caller(void);
+#else
+static inline int ftrace_enable_ftrace_graph_caller(void) { return 0; }
+static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; }
+#endif
 
 /**
- * ftrace_modify_code - modify code segment
- * @ip: the address of the code segment
- * @old_code: the contents of what is expected to be there
- * @new_code: the code to patch in
+ * ftrace_make_nop - convert code into top
+ * @mod: module structure if called by module load initialization
+ * @rec: the mcount call site record
+ * @addr: the address that the call site should be calling
  *
  * This is a very sensitive operation and great care needs
  * to be taken by the arch.  The operation should carefully
@@ -87,6 +139,8 @@ extern void mcount_call(void);
  * what we expect it to be, and then on success of the compare,
  * it should write to the location.
  *
+ * The code segment at @rec->ip should be a caller to @addr
+ *
  * Return must be:
  *  0 on success
  *  -EFAULT on error reading the location
@@ -94,8 +148,34 @@ extern void mcount_call(void);
  *  -EPERM  on error writing to the location
  * Any other value will be considered a failure.
  */
-extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code,
-                              unsigned char *new_code);
+extern int ftrace_make_nop(struct module *mod,
+                           struct dyn_ftrace *rec, unsigned long addr);
+
+/**
+ * ftrace_make_call - convert a nop call site into a call to addr
+ * @rec: the mcount call site record
+ * @addr: the address that the call site should call
+ *
+ * This is a very sensitive operation and great care needs
+ * to be taken by the arch.  The operation should carefully
+ * read the location, check to see if what is read is indeed
+ * what we expect it to be, and then on success of the compare,
+ * it should write to the location.
+ *
+ * The code segment at @rec->ip should be a nop
+ *
+ * Return must be:
+ *  0 on success
+ *  -EFAULT on error reading the location
+ *  -EINVAL on a failed compare of the contents
+ *  -EPERM  on error writing to the location
+ * Any other value will be considered a failure.
+ */
+extern int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr);
+
+
+/* May be defined in arch */
+extern int ftrace_arch_read_dyn_info(char *buf, int size);
 
 extern int skip_trace(unsigned long ip);
 
@@ -103,7 +183,6 @@ extern void ftrace_release(void *start, unsigned long size);
 
 extern void ftrace_disable_daemon(void);
 extern void ftrace_enable_daemon(void);
-
 #else
 # define skip_trace(ip)                         ({ 0; })
 # define ftrace_force_update()                  ({ 0; })
@@ -182,6 +261,12 @@ static inline void __ftrace_enabled_restore(int enabled)
 #endif
 
 #ifdef CONFIG_TRACING
+extern int ftrace_dump_on_oops;
+
+extern void tracing_start(void);
+extern void tracing_stop(void);
+extern void ftrace_off_permanent(void);
+
 extern void
 ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3);
 
@@ -212,6 +297,9 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3) { }
 static inline int
 ftrace_printk(const char *fmt, ...) __attribute__ ((format (printf, 1, 0)));
 
+static inline void tracing_start(void) { }
+static inline void tracing_stop(void) { }
+static inline void ftrace_off_permanent(void) { }
 static inline int
 ftrace_printk(const char *fmt, ...)
 {
@@ -222,33 +310,167 @@ static inline void ftrace_dump(void) { }
 
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD
 extern void ftrace_init(void);
-extern void ftrace_init_module(unsigned long *start, unsigned long *end);
+extern void ftrace_init_module(struct module *mod,
+                               unsigned long *start, unsigned long *end);
 #else
 static inline void ftrace_init(void) { }
 static inline void
-ftrace_init_module(unsigned long *start, unsigned long *end) { }
+ftrace_init_module(struct module *mod,
+                   unsigned long *start, unsigned long *end) { }
 #endif
 
+enum {
+        POWER_NONE = 0,
+        POWER_CSTATE = 1,
+        POWER_PSTATE = 2,
+};
+
+struct power_trace {
+#ifdef CONFIG_POWER_TRACER
+        ktime_t                 stamp;
+        ktime_t                 end;
+        int                     type;
+        int                     state;
+#endif
+};
+
+#ifdef CONFIG_POWER_TRACER
+extern void trace_power_start(struct power_trace *it, unsigned int type,
+                                        unsigned int state);
+extern void trace_power_mark(struct power_trace *it, unsigned int type,
+                                        unsigned int state);
+extern void trace_power_end(struct power_trace *it);
+#else
+static inline void trace_power_start(struct power_trace *it, unsigned int type,
+                                        unsigned int state) { }
+static inline void trace_power_mark(struct power_trace *it, unsigned int type,
+                                        unsigned int state) { }
+static inline void trace_power_end(struct power_trace *it) { }
+#endif
+
+
+/*
+ * Structure that defines an entry function trace.
+ */
+struct ftrace_graph_ent {
+        unsigned long func; /* Current function */
+        int depth;
+};
 
-struct boot_trace {
-        pid_t                   caller;
-        char                    func[KSYM_SYMBOL_LEN];
-        int                     result;
-        unsigned long long      duration;               /* usecs */
-        ktime_t                 calltime;
-        ktime_t                 rettime;
+/*
+ * Structure that defines a return function trace.
+ */
+struct ftrace_graph_ret {
+        unsigned long func; /* Current function */
+        unsigned long long calltime;
+        unsigned long long rettime;
+        /* Number of functions that overran the depth limit for current task */
+        unsigned long overrun;
+        int depth;
 };
 
-#ifdef CONFIG_BOOT_TRACER
-extern void trace_boot(struct boot_trace *it, initcall_t fn);
-extern void start_boot_trace(void);
-extern void stop_boot_trace(void);
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+
+/*
+ * Sometimes we don't want to trace a function with the function
+ * graph tracer but we want them to keep traced by the usual function
+ * tracer if the function graph tracer is not configured.
+ */
+#define __notrace_funcgraph             notrace
+
+#define FTRACE_RETFUNC_DEPTH 50
+#define FTRACE_RETSTACK_ALLOC_SIZE 32
+/* Type of the callback handlers for tracing function graph*/
+typedef void (*trace_func_graph_ret_t)(struct ftrace_graph_ret *); /* return */
+typedef int (*trace_func_graph_ent_t)(struct ftrace_graph_ent *); /* entry */
+
+extern int register_ftrace_graph(trace_func_graph_ret_t retfunc,
+                                trace_func_graph_ent_t entryfunc);
+
+extern void ftrace_graph_stop(void);
+
+/* The current handlers in use */
+extern trace_func_graph_ret_t ftrace_graph_return;
+extern trace_func_graph_ent_t ftrace_graph_entry;
+
+extern void unregister_ftrace_graph(void);
+
+extern void ftrace_graph_init_task(struct task_struct *t);
+extern void ftrace_graph_exit_task(struct task_struct *t);
+
+static inline int task_curr_ret_stack(struct task_struct *t)
+{
+        return t->curr_ret_stack;
+}
+
+static inline void pause_graph_tracing(void)
+{
+        atomic_inc(&current->tracing_graph_pause);
+}
+
+static inline void unpause_graph_tracing(void)
+{
+        atomic_dec(&current->tracing_graph_pause);
+}
 #else
-static inline void trace_boot(struct boot_trace *it, initcall_t fn) { }
-static inline void start_boot_trace(void) { }
-static inline void stop_boot_trace(void) { }
+
+#define __notrace_funcgraph
+
+static inline void ftrace_graph_init_task(struct task_struct *t) { }
+static inline void ftrace_graph_exit_task(struct task_struct *t) { }
+
+static inline int task_curr_ret_stack(struct task_struct *tsk)
+{
+        return -1;
+}
+
+static inline void pause_graph_tracing(void) { }
+static inline void unpause_graph_tracing(void) { }
 #endif
 
+#ifdef CONFIG_TRACING
+#include <linux/sched.h>
+
+/* flags for current->trace */
+enum {
+        TSK_TRACE_FL_TRACE_BIT  = 0,
+        TSK_TRACE_FL_GRAPH_BIT  = 1,
+};
+enum {
+        TSK_TRACE_FL_TRACE      = 1 << TSK_TRACE_FL_TRACE_BIT,
+        TSK_TRACE_FL_GRAPH      = 1 << TSK_TRACE_FL_GRAPH_BIT,
+};
+
+static inline void set_tsk_trace_trace(struct task_struct *tsk)
+{
+        set_bit(TSK_TRACE_FL_TRACE_BIT, &tsk->trace);
+}
+
+static inline void clear_tsk_trace_trace(struct task_struct *tsk)
+{
+        clear_bit(TSK_TRACE_FL_TRACE_BIT, &tsk->trace);
+}
+
+static inline int test_tsk_trace_trace(struct task_struct *tsk)
+{
+        return tsk->trace & TSK_TRACE_FL_TRACE;
+}
+
+static inline void set_tsk_trace_graph(struct task_struct *tsk)
+{
+        set_bit(TSK_TRACE_FL_GRAPH_BIT, &tsk->trace);
+}
+
+static inline void clear_tsk_trace_graph(struct task_struct *tsk)
+{
+        clear_bit(TSK_TRACE_FL_GRAPH_BIT, &tsk->trace);
+}
+
+static inline int test_tsk_trace_graph(struct task_struct *tsk)
+{
+        return tsk->trace & TSK_TRACE_FL_GRAPH;
+}
 
+#endif /* CONFIG_TRACING */
 
 #endif /* _LINUX_FTRACE_H */
diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h
new file mode 100644
index 000000000000..366a054d0b05
--- /dev/null
+++ b/include/linux/ftrace_irq.h
@@ -0,0 +1,13 @@
+#ifndef _LINUX_FTRACE_IRQ_H
+#define _LINUX_FTRACE_IRQ_H
+
+
+#if defined(CONFIG_DYNAMIC_FTRACE) || defined(CONFIG_FUNCTION_GRAPH_TRACER)
+extern void ftrace_nmi_enter(void);
+extern void ftrace_nmi_exit(void);
+#else
+static inline void ftrace_nmi_enter(void) { }
+static inline void ftrace_nmi_exit(void) { }
+#endif
+
+#endif /* _LINUX_FTRACE_IRQ_H */
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 586ab56a3ec3..8f627b9ae2b1 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -164,6 +164,8 @@ union futex_key {
         } both;
 };
 
+#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
+
 #ifdef CONFIG_FUTEX
 extern void exit_robust_list(struct task_struct *curr);
 extern void exit_pi_state_list(struct task_struct *curr);
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 181006cc94a0..89a56d79e4c6 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -4,6 +4,7 @@
 #include <linux/preempt.h>
 #include <linux/smp_lock.h>
 #include <linux/lockdep.h>
+#include <linux/ftrace_irq.h>
 #include <asm/hardirq.h>
 #include <asm/system.h>
 
@@ -161,7 +162,17 @@ extern void irq_enter(void);
  */
 extern void irq_exit(void);
 
-#define nmi_enter()             do { lockdep_off(); __irq_enter(); } while (0)
-#define nmi_exit()              do { __irq_exit(); lockdep_on(); } while (0)
+#define nmi_enter()                             \
+        do {                                    \
+                ftrace_nmi_enter();             \
+                lockdep_off();                  \
+                __irq_enter();                  \
+        } while (0)
+#define nmi_exit()                              \
+        do {                                    \
+                __irq_exit();                   \
+                lockdep_on();                   \
+                ftrace_nmi_exit();              \
+        } while (0)
 
 #endif /* LINUX_HARDIRQ_H */
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 48e63934fabe..7e85a6e89e41 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -14,6 +14,8 @@
 #include <linux/irqflags.h>
 #include <linux/smp.h>
 #include <linux/percpu.h>
+#include <linux/irqnr.h>
+
 #include <asm/atomic.h>
 #include <asm/ptrace.h>
 #include <asm/system.h>
diff --git a/include/linux/irq.h b/include/linux/irq.h
index ab70fd604d3a..59525b74979f 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -130,6 +130,8 @@ struct irq_chip {
         const char      *typename;
 };
 
+struct timer_rand_state;
+struct irq_2_iommu;
 /**
  * struct irq_desc - interrupt descriptor
  * @irq:                interrupt number for this descriptor
@@ -155,6 +157,13 @@ struct irq_chip {
  */
 struct irq_desc {
         unsigned int            irq;
+#ifdef CONFIG_SPARSE_IRQ
+        struct timer_rand_state *timer_rand_state;
+        unsigned int            *kstat_irqs;
+# ifdef CONFIG_INTR_REMAP
+        struct irq_2_iommu      *irq_2_iommu;
+# endif
+#endif
         irq_flow_handler_t      handle_irq;
         struct irq_chip         *chip;
         struct msi_desc         *msi_desc;
@@ -182,14 +191,43 @@ struct irq_desc {
         const char              *name;
 } ____cacheline_internodealigned_in_smp;
 
+extern void early_irq_init(void);
+extern void arch_early_irq_init(void);
+extern void arch_init_chip_data(struct irq_desc *desc, int cpu);
+extern void arch_init_copy_chip_data(struct irq_desc *old_desc,
+                                        struct irq_desc *desc, int cpu);
+extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc);
 
+#ifndef CONFIG_SPARSE_IRQ
 extern struct irq_desc irq_desc[NR_IRQS];
 
 static inline struct irq_desc *irq_to_desc(unsigned int irq)
 {
-        return (irq < nr_irqs) ? irq_desc + irq : NULL;
+        return (irq < NR_IRQS) ? irq_desc + irq : NULL;
+}
+static inline struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu)
+{
+        return irq_to_desc(irq);
 }
 
+#else
+
+extern struct irq_desc *irq_to_desc(unsigned int irq);
+extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
+extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu);
+
+# define for_each_irq_desc(irq, desc)           \
+        for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; irq++, desc = irq_to_desc(irq))
+# define for_each_irq_desc_reverse(irq, desc)                          \
+        for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; irq--, desc = irq_to_desc(irq))
+
+#define kstat_irqs_this_cpu(DESC) \
+        ((DESC)->kstat_irqs[smp_processor_id()])
+#define kstat_incr_irqs_this_cpu(irqno, DESC) \
+        ((DESC)->kstat_irqs[smp_processor_id()]++)
+
+#endif
+
 /*
  * Migration helpers for obsolete names, they will go away:
  */
@@ -381,6 +419,11 @@ extern int set_irq_msi(unsigned int irq, struct msi_desc *entry);
 #define get_irq_data(irq)       (irq_to_desc(irq)->handler_data)
 #define get_irq_msi(irq)        (irq_to_desc(irq)->msi_desc)
 
+#define get_irq_desc_chip(desc)         ((desc)->chip)
+#define get_irq_desc_chip_data(desc)    ((desc)->chip_data)
+#define get_irq_desc_data(desc)         ((desc)->handler_data)
+#define get_irq_desc_msi(desc)          ((desc)->msi_desc)
+
 #endif /* CONFIG_GENERIC_HARDIRQS */
 
 #endif /* !CONFIG_S390 */
diff --git a/include/linux/irqnr.h b/include/linux/irqnr.h
index 452c280c8115..95d2b74641f5 100644
--- a/include/linux/irqnr.h
+++ b/include/linux/irqnr.h
@@ -1,24 +1,38 @@
 #ifndef _LINUX_IRQNR_H
 #define _LINUX_IRQNR_H
 
+/*
+ * Generic irq_desc iterators:
+ */
+#ifdef __KERNEL__
+
 #ifndef CONFIG_GENERIC_HARDIRQS
 #include <asm/irq.h>
 # define nr_irqs                NR_IRQS
 
 # define for_each_irq_desc(irq, desc)           \
         for (irq = 0; irq < nr_irqs; irq++)
+
+# define for_each_irq_desc_reverse(irq, desc)                          \
+        for (irq = nr_irqs - 1; irq >= 0; irq--)
 #else
+
 extern int nr_irqs;
 
+#ifndef CONFIG_SPARSE_IRQ
+
+struct irq_desc;
 # define for_each_irq_desc(irq, desc)           \
         for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
-
-# define for_each_irq_desc_reverse(irq, desc)                           \
-        for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);        \
-             irq >= 0; irq--, desc--)
+# define for_each_irq_desc_reverse(irq, desc)                          \
+        for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);        \
+            irq >= 0; irq--, desc--)
+#endif
 #endif
 
-#define for_each_irq_nr(irq)                    \
-        for (irq = 0; irq < nr_irqs; irq++)
+#define for_each_irq_nr(irq)                   \
+       for (irq = 0; irq < nr_irqs; irq++)
+
+#endif /* __KERNEL__ */
 
 #endif
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index dc7e0d0a6474..269df5a17b30 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -141,6 +141,15 @@ extern int _cond_resched(void);
                 (__x < 0) ? -__x : __x;         \
         })
 
+#ifdef CONFIG_PROVE_LOCKING
+void might_fault(void);
+#else
+static inline void might_fault(void)
+{
+        might_sleep();
+}
+#endif
+
 extern struct atomic_notifier_head panic_notifier_list;
 extern long (*panic_blink)(long time);
 NORET_TYPE void panic(const char * fmt, ...)
@@ -188,6 +197,8 @@ extern unsigned long long memparse(const char *ptr, char **retptr);
 extern int core_kernel_text(unsigned long addr);
 extern int __kernel_text_address(unsigned long addr);
 extern int kernel_text_address(unsigned long addr);
+extern int func_ptr_is_kernel_text(void *ptr);
+
 struct pid;
 extern struct pid *session_of_pgrp(struct pid *pgrp);
 
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 4a145caeee07..4ee4b3d2316f 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -28,7 +28,9 @@ struct cpu_usage_stat {
 
 struct kernel_stat {
         struct cpu_usage_stat   cpustat;
-        unsigned int irqs[NR_IRQS];
+#ifndef CONFIG_SPARSE_IRQ
+       unsigned int irqs[NR_IRQS];
+#endif
 };
 
 DECLARE_PER_CPU(struct kernel_stat, kstat);
@@ -39,6 +41,10 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
 
 extern unsigned long long nr_context_switches(void);
 
+#ifndef CONFIG_SPARSE_IRQ
+#define kstat_irqs_this_cpu(irq) \
+        (kstat_this_cpu.irqs[irq])
+
 struct irq_desc;
 
 static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
@@ -46,11 +52,17 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
 {
         kstat_this_cpu.irqs[irq]++;
 }
+#endif
+
 
+#ifndef CONFIG_SPARSE_IRQ
 static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 {
        return kstat_cpu(cpu).irqs[irq];
 }
+#else
+extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
+#endif
 
 /*
  * Number of interrupts per specific IRQ source, since bootup
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 29aec6e10020..8956daf64abd 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -73,6 +73,8 @@ struct lock_class_key {
         struct lockdep_subclass_key     subkeys[MAX_LOCKDEP_SUBCLASSES];
 };
 
+#define LOCKSTAT_POINTS         4
+
 /*
  * The lock-class itself:
  */
@@ -119,7 +121,8 @@ struct lock_class {
         int                             name_version;
 
 #ifdef CONFIG_LOCK_STAT
-        unsigned long                   contention_point[4];
+        unsigned long                   contention_point[LOCKSTAT_POINTS];
+        unsigned long                   contending_point[LOCKSTAT_POINTS];
 #endif
 };
 
@@ -144,6 +147,7 @@ enum bounce_type {
 
 struct lock_class_stats {
         unsigned long                   contention_point[4];
+        unsigned long                   contending_point[4];
         struct lock_time                read_waittime;
         struct lock_time                write_waittime;
         struct lock_time                read_holdtime;
@@ -165,6 +169,7 @@ struct lockdep_map {
         const char                      *name;
 #ifdef CONFIG_LOCK_STAT
         int                             cpu;
+        unsigned long                   ip;
 #endif
 };
 
@@ -356,7 +361,7 @@ struct lock_class_key { };
 #ifdef CONFIG_LOCK_STAT
 
 extern void lock_contended(struct lockdep_map *lock, unsigned long ip);
-extern void lock_acquired(struct lockdep_map *lock);
+extern void lock_acquired(struct lockdep_map *lock, unsigned long ip);
 
 #define LOCK_CONTENDED(_lock, try, lock)                        \
 do {                                                            \
@@ -364,13 +369,13 @@ do {								\
                 lock_contended(&(_lock)->dep_map, _RET_IP_);    \
                 lock(_lock);                                    \
         }                                                       \
-        lock_acquired(&(_lock)->dep_map);                       \
+        lock_acquired(&(_lock)->dep_map, _RET_IP_);                     \
 } while (0)
 
 #else /* CONFIG_LOCK_STAT */
 
 #define lock_contended(lockdep_map, ip) do {} while (0)
-#define lock_acquired(lockdep_map) do {} while (0)
+#define lock_acquired(lockdep_map, ip) do {} while (0)
 
 #define LOCK_CONTENDED(_lock, try, lock) \
         lock(_lock)
@@ -481,4 +486,22 @@ static inline void print_irqtrace_events(struct task_struct *curr)
 # define lock_map_release(l)                    do { } while (0)
 #endif
 
+#ifdef CONFIG_PROVE_LOCKING
+# define might_lock(lock)                                               \
+do {                                                                    \
+        typecheck(struct lockdep_map *, &(lock)->dep_map);              \
+        lock_acquire(&(lock)->dep_map, 0, 0, 0, 2, NULL, _THIS_IP_);    \
+        lock_release(&(lock)->dep_map, 0, _THIS_IP_);                   \
+} while (0)
+# define might_lock_read(lock)                                          \
+do {                                                                    \
+        typecheck(struct lockdep_map *, &(lock)->dep_map);              \
+        lock_acquire(&(lock)->dep_map, 0, 0, 1, 2, NULL, _THIS_IP_);    \
+        lock_release(&(lock)->dep_map, 0, _THIS_IP_);                   \
+} while (0)
+#else
+# define might_lock(lock) do { } while (0)
+# define might_lock_read(lock) do { } while (0)
+#endif
+
 #endif /* __LINUX_LOCKDEP_H */
diff --git a/include/linux/marker.h b/include/linux/marker.h
index 889196c7fbb1..b85e74ca782f 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -12,6 +12,7 @@
  * See the file COPYING for more details.
  */
 
+#include <stdarg.h>
 #include <linux/types.h>
 
 struct module;
@@ -48,10 +49,28 @@ struct marker {
         void (*call)(const struct marker *mdata, void *call_private, ...);
         struct marker_probe_closure single;
         struct marker_probe_closure *multi;
+        const char *tp_name;    /* Optional tracepoint name */
+        void *tp_cb;            /* Optional tracepoint callback */
 } __attribute__((aligned(8)));
 
 #ifdef CONFIG_MARKERS
 
+#define _DEFINE_MARKER(name, tp_name_str, tp_cb, format)                \
+                static const char __mstrtab_##name[]                    \
+                __attribute__((section("__markers_strings")))           \
+                = #name "\0" format;                                    \
+                static struct marker __mark_##name                      \
+                __attribute__((section("__markers"), aligned(8))) =     \
+                { __mstrtab_##name, &__mstrtab_##name[sizeof(#name)],   \
+                  0, 0, marker_probe_cb, { __mark_empty_function, NULL},\
+                  NULL, tp_name_str, tp_cb }
+
+#define DEFINE_MARKER(name, format)                                     \
+                _DEFINE_MARKER(name, NULL, NULL, format)
+
+#define DEFINE_MARKER_TP(name, tp_name, tp_cb, format)                  \
+                _DEFINE_MARKER(name, #tp_name, tp_cb, format)
+
 /*
  * Note : the empty asm volatile with read constraint is used here instead of a
  * "used" attribute to fix a gcc 4.1.x bug.
@@ -65,14 +84,7 @@ struct marker {
  */
 #define __trace_mark(generic, name, call_private, format, args...)      \
         do {                                                            \
-                static const char __mstrtab_##name[]                    \
-                __attribute__((section("__markers_strings")))           \
-                = #name "\0" format;                                    \
-                static struct marker __mark_##name                      \
-                __attribute__((section("__markers"), aligned(8))) =     \
-                { __mstrtab_##name, &__mstrtab_##name[sizeof(#name)],   \
-                0, 0, marker_probe_cb,                                  \
-                { __mark_empty_function, NULL}, NULL };                 \
+                DEFINE_MARKER(name, format);                            \
                 __mark_check_format(format, ## args);                   \
                 if (unlikely(__mark_##name.state)) {                    \
                         (*__mark_##name.call)                           \
@@ -80,14 +92,39 @@ struct marker {
                 }                                                       \
         } while (0)
 
+#define __trace_mark_tp(name, call_private, tp_name, tp_cb, format, args...) \
+        do {                                                            \
+                void __check_tp_type(void)                              \
+                {                                                       \
+                        register_trace_##tp_name(tp_cb);                \
+                }                                                       \
+                DEFINE_MARKER_TP(name, tp_name, tp_cb, format);         \
+                __mark_check_format(format, ## args);                   \
+                (*__mark_##name.call)(&__mark_##name, call_private,     \
+                                        ## args);                       \
+        } while (0)
+
 extern void marker_update_probe_range(struct marker *begin,
         struct marker *end);
+
+#define GET_MARKER(name)        (__mark_##name)
+
 #else /* !CONFIG_MARKERS */
+#define DEFINE_MARKER(name, tp_name, tp_cb, format)
 #define __trace_mark(generic, name, call_private, format, args...) \
                 __mark_check_format(format, ## args)
+#define __trace_mark_tp(name, call_private, tp_name, tp_cb, format, args...) \
+        do {                                                            \
+                void __check_tp_type(void)                              \
+                {                                                       \
+                        register_trace_##tp_name(tp_cb);                \
+                }                                                       \
+                __mark_check_format(format, ## args);                   \
+        } while (0)
 static inline void marker_update_probe_range(struct marker *begin,
         struct marker *end)
 { }
+#define GET_MARKER(name)
 #endif /* CONFIG_MARKERS */
 
 /**
@@ -117,6 +154,20 @@ static inline void marker_update_probe_range(struct marker *begin,
         __trace_mark(1, name, NULL, format, ## args)
 
 /**
+ * trace_mark_tp - Marker in a tracepoint callback
+ * @name: marker name, not quoted.
+ * @tp_name: tracepoint name, not quoted.
+ * @tp_cb: tracepoint callback. Should have an associated global symbol so it
+ *         is not optimized away by the compiler (should not be static).
+ * @format: format string
+ * @args...: variable argument list
+ *
+ * Places a marker in a tracepoint callback.
+ */
+#define trace_mark_tp(name, tp_name, tp_cb, format, args...)    \
+        __trace_mark_tp(name, NULL, tp_name, tp_cb, format, ## args)
+
+/**
  * MARK_NOARGS - Format string for a marker with no argument.
  */
 #define MARK_NOARGS " "
@@ -136,8 +187,6 @@ extern marker_probe_func __mark_empty_function;
 
 extern void marker_probe_cb(const struct marker *mdata,
         void *call_private, ...);
-extern void marker_probe_cb_noarg(const struct marker *mdata,
-        void *call_private, ...);
 
 /*
  * Connect a probe to a marker.
@@ -162,8 +211,10 @@ extern void *marker_get_private_data(const char *name, marker_probe_func *probe,
 
 /*
  * marker_synchronize_unregister must be called between the last marker probe
- * unregistration and the end of module exit to make sure there is no caller
- * executing a probe when it is freed.
+ * unregistration and the first one of
+ * - the end of module exit function
+ * - the free of any resource used by the probes
+ * to ensure the code and data are valid for any possibly running probes.
  */
 #define marker_synchronize_unregister() synchronize_sched()
 
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 8f2939227207..d2b8a1e8ca11 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -10,8 +10,11 @@ struct msi_msg {
 };
 
 /* Helper functions */
+struct irq_desc;
 extern void mask_msi_irq(unsigned int irq);
 extern void unmask_msi_irq(unsigned int irq);
+extern void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
+extern void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
 extern void read_msi_msg(unsigned int irq, struct msi_msg *msg);
 extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);
 
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index bc6da10ceee0..7a0e5c4f8072 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -144,6 +144,8 @@ extern int __must_check mutex_lock_killable(struct mutex *lock);
 /*
  * NOTE: mutex_trylock() follows the spin_trylock() convention,
  *       not the down_trylock() convention!
+ *
+ * Returns 1 if the mutex has been acquired successfully, and 0 on contention.
  */
 extern int mutex_trylock(struct mutex *lock);
 extern void mutex_unlock(struct mutex *lock);
diff --git a/include/linux/pid.h b/include/linux/pid.h
index d7e98ff8021e..bb206c56d1f0 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -147,9 +147,9 @@ pid_t pid_vnr(struct pid *pid);
 #define do_each_pid_task(pid, type, task)                               \
         do {                                                            \
                 struct hlist_node *pos___;                              \
-                if (pid != NULL)                                        \
+                if ((pid) != NULL)                                      \
                         hlist_for_each_entry_rcu((task), pos___,        \
-                                &pid->tasks[type], pids[type].node) {
+                                &(pid)->tasks[type], pids[type].node) {
 
                         /*
                          * Both old and new leaders may be attached to
diff --git a/include/linux/random.h b/include/linux/random.h
index 36f125c0c603..adbf3bd3c6b3 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -8,6 +8,7 @@
 #define _LINUX_RANDOM_H
 
 #include <linux/ioctl.h>
+#include <linux/irqnr.h>
 
 /* ioctl()'s for the random number generator */
 
@@ -44,6 +45,56 @@ struct rand_pool_info {
 
 extern void rand_initialize_irq(int irq);
 
+struct timer_rand_state;
+#ifndef CONFIG_SPARSE_IRQ
+
+extern struct timer_rand_state *irq_timer_state[];
+
+static inline struct timer_rand_state *get_timer_rand_state(unsigned int irq)
+{
+        if (irq >= nr_irqs)
+                return NULL;
+
+        return irq_timer_state[irq];
+}
+
+static inline void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
+{
+        if (irq >= nr_irqs)
+                return;
+
+        irq_timer_state[irq] = state;
+}
+
+#else
+
+#include <linux/irq.h>
+static inline struct timer_rand_state *get_timer_rand_state(unsigned int irq)
+{
+        struct irq_desc *desc;
+
+        desc = irq_to_desc(irq);
+
+        if (!desc)
+                return NULL;
+
+        return desc->timer_rand_state;
+}
+
+static inline void set_timer_rand_state(unsigned int irq, struct timer_rand_state *state)
+{
+        struct irq_desc *desc;
+
+        desc = irq_to_desc(irq);
+
+        if (!desc)
+                return;
+
+        desc->timer_rand_state = state;
+}
+#endif
+
+
 extern void add_input_randomness(unsigned int type, unsigned int code,
                                  unsigned int value);
 extern void add_interrupt_randomness(int irq);
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 5f89b62e6983..301dda829e37 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -41,7 +41,7 @@
 #include <linux/seqlock.h>
 
 #ifdef CONFIG_RCU_CPU_STALL_DETECTOR
-#define RCU_SECONDS_TILL_STALL_CHECK    ( 3 * HZ) /* for rcp->jiffies_stall */
+#define RCU_SECONDS_TILL_STALL_CHECK    (10 * HZ) /* for rcp->jiffies_stall */
 #define RCU_SECONDS_TILL_STALL_RECHECK  (30 * HZ) /* for rcp->jiffies_stall */
 #endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
 
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 86f1f5e43e33..895dc9c1088c 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -142,6 +142,7 @@ struct rcu_head {
  * on the write-side to insure proper synchronization.
  */
 #define rcu_read_lock_sched() preempt_disable()
+#define rcu_read_lock_sched_notrace() preempt_disable_notrace()
 
 /*
  * rcu_read_unlock_sched - marks the end of a RCU-classic critical section
@@ -149,6 +150,7 @@ struct rcu_head {
  * See rcu_read_lock_sched for more information.
  */
 #define rcu_read_unlock_sched() preempt_enable()
+#define rcu_read_unlock_sched_notrace() preempt_enable_notrace()
 
 
 
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index e097c2e6b6dc..d363467c8f13 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -28,17 +28,19 @@ struct ring_buffer_event {
  *                               size = 8 bytes
  *
  * @RINGBUF_TYPE_TIME_STAMP:    Sync time stamp with external clock
- *                               array[0] = tv_nsec
- *                               array[1] = tv_sec
+ *                               array[0]    = tv_nsec
+ *                               array[1..2] = tv_sec
  *                               size = 16 bytes
  *
  * @RINGBUF_TYPE_DATA:          Data record
  *                               If len is zero:
  *                                array[0] holds the actual length
- *                                array[1..(length+3)/4-1] holds data
+ *                                array[1..(length+3)/4] holds data
+ *                                size = 4 + 4 + length (bytes)
  *                               else
  *                                length = len << 2
- *                                array[0..(length+3)/4] holds data
+ *                                array[0..(length+3)/4-1] holds data
+ *                                size = 4 + length (bytes)
  */
 enum ring_buffer_type {
         RINGBUF_TYPE_PADDING,
@@ -122,6 +124,12 @@ void ring_buffer_normalize_time_stamp(int cpu, u64 *ts);
 
 void tracing_on(void);
 void tracing_off(void);
+void tracing_off_permanent(void);
+
+void *ring_buffer_alloc_read_page(struct ring_buffer *buffer);
+void ring_buffer_free_read_page(struct ring_buffer *buffer, void *data);
+int ring_buffer_read_page(struct ring_buffer *buffer,
+                          void **data_page, int cpu, int full);
 
 enum ring_buffer_flags {
         RB_FL_OVERWRITE         = 1 << 0,
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 55e30d114477..4240f6bfa812 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -96,6 +96,7 @@ struct exec_domain;
 struct futex_pi_state;
 struct robust_list_head;
 struct bio;
+struct bts_tracer;
 
 /*
  * List of flags we want to share for kernel threads,
@@ -249,7 +250,7 @@ extern void init_idle_bootup_task(struct task_struct *idle);
 extern int runqueue_is_locked(void);
 extern void task_rq_unlock_wait(struct task_struct *p);
 
-extern cpumask_t nohz_cpu_mask;
+extern cpumask_var_t nohz_cpu_mask;
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
 extern int select_nohz_load_balancer(int cpu);
 #else
@@ -259,8 +260,6 @@ static inline int select_nohz_load_balancer(int cpu)
 }
 #endif
 
-extern unsigned long rt_needs_cpu(int cpu);
-
 /*
  * Only dump TASK_* tasks. (0 for all tasks)
  */
@@ -777,7 +776,6 @@ enum cpu_idle_type {
 
 struct sched_group {
         struct sched_group *next;       /* Must be a circular list */
-        cpumask_t cpumask;
 
         /*
          * CPU power of this group, SCHED_LOAD_SCALE being max power for a
@@ -790,8 +788,15 @@ struct sched_group {
          * (see include/linux/reciprocal_div.h)
          */
         u32 reciprocal_cpu_power;
+
+        unsigned long cpumask[];
 };
 
+static inline struct cpumask *sched_group_cpus(struct sched_group *sg)
+{
+        return to_cpumask(sg->cpumask);
+}
+
 enum sched_domain_level {
         SD_LV_NONE = 0,
         SD_LV_SIBLING,
@@ -815,7 +820,6 @@ struct sched_domain {
         struct sched_domain *parent;    /* top domain must be null terminated */
         struct sched_domain *child;     /* bottom domain must be null terminated */
         struct sched_group *groups;     /* the balancing groups of the domain */
-        cpumask_t span;                 /* span of all CPUs in this domain */
         unsigned long min_interval;     /* Minimum balance interval ms */
         unsigned long max_interval;     /* Maximum balance interval ms */
         unsigned int busy_factor;       /* less balancing by factor if busy */
@@ -870,9 +874,17 @@ struct sched_domain {
 #ifdef CONFIG_SCHED_DEBUG
         char *name;
 #endif
+
+        /* span of all CPUs in this domain */
+        unsigned long span[];
 };
 
-extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
+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,
                                     struct sched_domain_attr *dattr_new);
 extern int arch_reinit_sched_domains(void);
 
@@ -881,7 +893,7 @@ extern int arch_reinit_sched_domains(void);
 struct sched_domain_attr;
 
 static inline void
-partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
+partition_sched_domains(int ndoms_new, struct cpumask *doms_new,
                         struct sched_domain_attr *dattr_new)
 {
 }
@@ -963,7 +975,7 @@ struct sched_class {
         void (*task_wake_up) (struct rq *this_rq, struct task_struct *task);
 
         void (*set_cpus_allowed)(struct task_struct *p,
-                                 const cpumask_t *newmask);
+                                 const struct cpumask *newmask);
 
         void (*rq_online)(struct rq *rq);
         void (*rq_offline)(struct rq *rq);
@@ -1165,6 +1177,18 @@ struct task_struct {
         struct list_head ptraced;
         struct list_head ptrace_entry;
 
+#ifdef CONFIG_X86_PTRACE_BTS
+        /*
+         * This is the tracer handle for the ptrace BTS extension.
+         * This field actually belongs to the ptracer task.
+         */
+        struct bts_tracer *bts;
+        /*
+         * The buffer to hold the BTS data.
+         */
+        void *bts_buffer;
+#endif /* CONFIG_X86_PTRACE_BTS */
+
         /* PID/PID hash table linkage. */
         struct pid_link pids[PIDTYPE_MAX];
         struct list_head thread_group;
@@ -1356,6 +1380,23 @@ struct task_struct {
         unsigned long default_timer_slack_ns;
 
         struct list_head        *scm_work_list;
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+        /* Index of current stored adress in ret_stack */
+        int curr_ret_stack;
+        /* Stack of return addresses for return function tracing */
+        struct ftrace_ret_stack *ret_stack;
+        /*
+         * Number of functions that haven't been traced
+         * because of depth overrun.
+         */
+        atomic_t trace_overrun;
+        /* Pause for the tracing */
+        atomic_t tracing_graph_pause;
+#endif
+#ifdef CONFIG_TRACING
+        /* state flags for use by tracers */
+        unsigned long trace;
+#endif
 };
 
 /*
@@ -1594,12 +1635,12 @@ extern cputime_t task_gtime(struct task_struct *p);
 
 #ifdef CONFIG_SMP
 extern int set_cpus_allowed_ptr(struct task_struct *p,
-                                const cpumask_t *new_mask);
+                                const struct cpumask *new_mask);
 #else
 static inline int set_cpus_allowed_ptr(struct task_struct *p,
-                                       const cpumask_t *new_mask)
+                                       const struct cpumask *new_mask)
 {
-        if (!cpu_isset(0, *new_mask))
+        if (!cpumask_test_cpu(0, new_mask))
                 return -EINVAL;
         return 0;
 }
@@ -2212,8 +2253,8 @@ __trace_special(void *__tr, void *__data,
 }
 #endif
 
-extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask);
-extern long sched_getaffinity(pid_t pid, cpumask_t *mask);
+extern long sched_setaffinity(pid_t pid, const struct cpumask *new_mask);
+extern long sched_getaffinity(pid_t pid, struct cpumask *mask);
 
 extern int sched_mc_power_savings, sched_smt_power_savings;
 
@@ -2224,6 +2265,7 @@ extern void normalize_rt_tasks(void);
 extern struct task_group init_task_group;
 #ifdef CONFIG_USER_SCHED
 extern struct task_group root_task_group;
+extern void set_tg_uid(struct user_struct *user);
 #endif
 
 extern struct task_group *sched_create_group(struct task_group *parent);
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index dc50bcc282a8..b3dfa72f13b9 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -34,6 +34,7 @@ struct seq_operations {
 
 #define SEQ_SKIP 1
 
+char *mangle_path(char *s, char *p, char *esc);
 int seq_open(struct file *, const struct seq_operations *);
 ssize_t seq_read(struct file *, char __user *, size_t, loff_t *);
 loff_t seq_lseek(struct file *, loff_t, int);
diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
index b106fd8e0d5c..1a8cecc4f38c 100644
--- a/include/linux/stacktrace.h
+++ b/include/linux/stacktrace.h
@@ -15,9 +15,17 @@ extern void save_stack_trace_tsk(struct task_struct *tsk,
                                 struct stack_trace *trace);
 
 extern void print_stack_trace(struct stack_trace *trace, int spaces);
+
+#ifdef CONFIG_USER_STACKTRACE_SUPPORT
+extern void save_stack_trace_user(struct stack_trace *trace);
+#else
+# define save_stack_trace_user(trace)              do { } while (0)
+#endif
+
 #else
 # define save_stack_trace(trace)                        do { } while (0)
 # define save_stack_trace_tsk(tsk, trace)               do { } while (0)
+# define save_stack_trace_user(trace)                   do { } while (0)
 # define print_stack_trace(trace, spaces)               do { } while (0)
 #endif
 
diff --git a/include/linux/topology.h b/include/linux/topology.h
index 117f1b7405cf..0c5b5ac36d8e 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -49,7 +49,7 @@
         for_each_online_node(node)                      \
                 if (nr_cpus_node(node))
 
-void arch_update_cpu_topology(void);
+int arch_update_cpu_topology(void);
 
 /* Conform to ACPI 2.0 SLIT distance definitions */
 #define LOCAL_DISTANCE          10
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index c5bb39c7a770..757005458366 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -24,8 +24,12 @@ struct tracepoint {
         const char *name;               /* Tracepoint name */
         int state;                      /* State. */
         void **funcs;
-} __attribute__((aligned(8)));
-
+} __attribute__((aligned(32)));         /*
+                                         * Aligned on 32 bytes because it is
+                                         * globally visible and gcc happily
+                                         * align these on the structure size.
+                                         * Keep in sync with vmlinux.lds.h.
+                                         */
 
 #define TPPROTO(args...)        args
 #define TPARGS(args...)         args
@@ -40,14 +44,14 @@ struct tracepoint {
         do {                                                            \
                 void **it_func;                                         \
                                                                         \
-                rcu_read_lock_sched();                                  \
+                rcu_read_lock_sched_notrace();                          \
                 it_func = rcu_dereference((tp)->funcs);                 \
                 if (it_func) {                                          \
                         do {                                            \
                                 ((void(*)(proto))(*it_func))(args);     \
                         } while (*(++it_func));                         \
                 }                                                       \
-                rcu_read_unlock_sched();                                \
+                rcu_read_unlock_sched_notrace();                        \
         } while (0)
 
 /*
@@ -55,35 +59,40 @@ struct tracepoint {
  * not add unwanted padding between the beginning of the section and the
  * structure. Force alignment to the same alignment as the section start.
  */
-#define DEFINE_TRACE(name, proto, args)                                 \
+#define DECLARE_TRACE(name, proto, args)                                \
+        extern struct tracepoint __tracepoint_##name;                   \
         static inline void trace_##name(proto)                          \
         {                                                               \
-                static const char __tpstrtab_##name[]                   \
-                __attribute__((section("__tracepoints_strings")))       \
-                = #name ":" #proto;                                     \
-                static struct tracepoint __tracepoint_##name            \
-                __attribute__((section("__tracepoints"), aligned(8))) = \
-                { __tpstrtab_##name, 0, NULL };                         \
                 if (unlikely(__tracepoint_##name.state))                \
                         __DO_TRACE(&__tracepoint_##name,                \
                                 TPPROTO(proto), TPARGS(args));          \
         }                                                               \
         static inline int register_trace_##name(void (*probe)(proto))   \
         {                                                               \
-                return tracepoint_probe_register(#name ":" #proto,      \
-                        (void *)probe);                                 \
+                return tracepoint_probe_register(#name, (void *)probe); \
         }                                                               \
-        static inline void unregister_trace_##name(void (*probe)(proto))\
+        static inline int unregister_trace_##name(void (*probe)(proto)) \
         {                                                               \
-                tracepoint_probe_unregister(#name ":" #proto,           \
-                        (void *)probe);                                 \
+                return tracepoint_probe_unregister(#name, (void *)probe);\
         }
 
+#define DEFINE_TRACE(name)                                              \
+        static const char __tpstrtab_##name[]                           \
+        __attribute__((section("__tracepoints_strings"))) = #name;      \
+        struct tracepoint __tracepoint_##name                           \
+        __attribute__((section("__tracepoints"), aligned(32))) =        \
+                { __tpstrtab_##name, 0, NULL }
+
+#define EXPORT_TRACEPOINT_SYMBOL_GPL(name)                              \
+        EXPORT_SYMBOL_GPL(__tracepoint_##name)
+#define EXPORT_TRACEPOINT_SYMBOL(name)                                  \
+        EXPORT_SYMBOL(__tracepoint_##name)
+
 extern void tracepoint_update_probe_range(struct tracepoint *begin,
         struct tracepoint *end);
 
 #else /* !CONFIG_TRACEPOINTS */
-#define DEFINE_TRACE(name, proto, args)                 \
+#define DECLARE_TRACE(name, proto, args)                                \
         static inline void _do_trace_##name(struct tracepoint *tp, proto) \
         { }                                                             \
         static inline void trace_##name(proto)                          \
@@ -92,8 +101,14 @@ extern void tracepoint_update_probe_range(struct tracepoint *begin,
         {                                                               \
                 return -ENOSYS;                                         \
         }                                                               \
-        static inline void unregister_trace_##name(void (*probe)(proto))\
-        { }
+        static inline int unregister_trace_##name(void (*probe)(proto)) \
+        {                                                               \
+                return -ENOSYS;                                         \
+        }
+
+#define DEFINE_TRACE(name)
+#define EXPORT_TRACEPOINT_SYMBOL_GPL(name)
+#define EXPORT_TRACEPOINT_SYMBOL(name)
 
 static inline void tracepoint_update_probe_range(struct tracepoint *begin,
         struct tracepoint *end)
@@ -112,6 +127,10 @@ extern int tracepoint_probe_register(const char *name, void *probe);
  */
 extern int tracepoint_probe_unregister(const char *name, void *probe);
 
+extern int tracepoint_probe_register_noupdate(const char *name, void *probe);
+extern int tracepoint_probe_unregister_noupdate(const char *name, void *probe);
+extern void tracepoint_probe_update_all(void);
+
 struct tracepoint_iter {
         struct module *module;
         struct tracepoint *tracepoint;
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 3b8121d4e36f..eaec37c9d83d 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -325,7 +325,7 @@ extern struct class *tty_class;
  *      go away
  */
 
-extern inline struct tty_struct *tty_kref_get(struct tty_struct *tty)
+static inline struct tty_struct *tty_kref_get(struct tty_struct *tty)
 {
         if (tty)
                 kref_get(&tty->kref);
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index fec6decfb983..6b58367d145e 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -78,7 +78,7 @@ static inline unsigned long __copy_from_user_nocache(void *to,
                                                         \
                 set_fs(KERNEL_DS);                      \
                 pagefault_disable();                    \
-                ret = __get_user(retval, (__force typeof(retval) __user *)(addr));              \
+                ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval));            \
                 pagefault_enable();                     \
                 set_fs(old_fs);                         \
                 ret;                                    \
diff --git a/include/trace/block.h b/include/trace/block.h
new file mode 100644
index 000000000000..25c6a1fd5b77
--- /dev/null
+++ b/include/trace/block.h
@@ -0,0 +1,76 @@
+#ifndef _TRACE_BLOCK_H
+#define _TRACE_BLOCK_H
+
+#include <linux/blkdev.h>
+#include <linux/tracepoint.h>
+
+DECLARE_TRACE(block_rq_abort,
+        TPPROTO(struct request_queue *q, struct request *rq),
+                TPARGS(q, rq));
+
+DECLARE_TRACE(block_rq_insert,
+        TPPROTO(struct request_queue *q, struct request *rq),
+                TPARGS(q, rq));
+
+DECLARE_TRACE(block_rq_issue,
+        TPPROTO(struct request_queue *q, struct request *rq),
+                TPARGS(q, rq));
+
+DECLARE_TRACE(block_rq_requeue,
+        TPPROTO(struct request_queue *q, struct request *rq),
+                TPARGS(q, rq));
+
+DECLARE_TRACE(block_rq_complete,
+        TPPROTO(struct request_queue *q, struct request *rq),
+                TPARGS(q, rq));
+
+DECLARE_TRACE(block_bio_bounce,
+        TPPROTO(struct request_queue *q, struct bio *bio),
+                TPARGS(q, bio));
+
+DECLARE_TRACE(block_bio_complete,
+        TPPROTO(struct request_queue *q, struct bio *bio),
+                TPARGS(q, bio));
+
+DECLARE_TRACE(block_bio_backmerge,
+        TPPROTO(struct request_queue *q, struct bio *bio),
+                TPARGS(q, bio));
+
+DECLARE_TRACE(block_bio_frontmerge,
+        TPPROTO(struct request_queue *q, struct bio *bio),
+                TPARGS(q, bio));
+
+DECLARE_TRACE(block_bio_queue,
+        TPPROTO(struct request_queue *q, struct bio *bio),
+                TPARGS(q, bio));
+
+DECLARE_TRACE(block_getrq,
+        TPPROTO(struct request_queue *q, struct bio *bio, int rw),
+                TPARGS(q, bio, rw));
+
+DECLARE_TRACE(block_sleeprq,
+        TPPROTO(struct request_queue *q, struct bio *bio, int rw),
+                TPARGS(q, bio, rw));
+
+DECLARE_TRACE(block_plug,
+        TPPROTO(struct request_queue *q),
+                TPARGS(q));
+
+DECLARE_TRACE(block_unplug_timer,
+        TPPROTO(struct request_queue *q),
+                TPARGS(q));
+
+DECLARE_TRACE(block_unplug_io,
+        TPPROTO(struct request_queue *q),
+                TPARGS(q));
+
+DECLARE_TRACE(block_split,
+        TPPROTO(struct request_queue *q, struct bio *bio, unsigned int pdu),
+                TPARGS(q, bio, pdu));
+
+DECLARE_TRACE(block_remap,
+        TPPROTO(struct request_queue *q, struct bio *bio, dev_t dev,
+                sector_t from, sector_t to),
+                TPARGS(q, bio, dev, from, to));
+
+#endif
diff --git a/include/trace/boot.h b/include/trace/boot.h
new file mode 100644
index 000000000000..088ea089e31d
--- /dev/null
+++ b/include/trace/boot.h
@@ -0,0 +1,60 @@
+#ifndef _LINUX_TRACE_BOOT_H
+#define _LINUX_TRACE_BOOT_H
+
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+#include <linux/init.h>
+
+/*
+ * Structure which defines the trace of an initcall
+ * while it is called.
+ * You don't have to fill the func field since it is
+ * only used internally by the tracer.
+ */
+struct boot_trace_call {
+        pid_t                   caller;
+        char                    func[KSYM_SYMBOL_LEN];
+};
+
+/*
+ * Structure which defines the trace of an initcall
+ * while it returns.
+ */
+struct boot_trace_ret {
+        char                    func[KSYM_SYMBOL_LEN];
+        int                             result;
+        unsigned long long      duration;               /* nsecs */
+};
+
+#ifdef CONFIG_BOOT_TRACER
+/* Append the traces on the ring-buffer */
+extern void trace_boot_call(struct boot_trace_call *bt, initcall_t fn);
+extern void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn);
+
+/* Tells the tracer that smp_pre_initcall is finished.
+ * So we can start the tracing
+ */
+extern void start_boot_trace(void);
+
+/* Resume the tracing of other necessary events
+ * such as sched switches
+ */
+extern void enable_boot_trace(void);
+
+/* Suspend this tracing. Actually, only sched_switches tracing have
+ * to be suspended. Initcalls doesn't need it.)
+ */
+extern void disable_boot_trace(void);
+#else
+static inline
+void trace_boot_call(struct boot_trace_call *bt, initcall_t fn) { }
+
+static inline
+void trace_boot_ret(struct boot_trace_ret *bt, initcall_t fn) { }
+
+static inline void start_boot_trace(void) { }
+static inline void enable_boot_trace(void) { }
+static inline void disable_boot_trace(void) { }
+#endif /* CONFIG_BOOT_TRACER */
+
+#endif /* __LINUX_TRACE_BOOT_H */
diff --git a/include/trace/sched.h b/include/trace/sched.h
index ad47369d01b5..9b2854abf7e2 100644
--- a/include/trace/sched.h
+++ b/include/trace/sched.h
@@ -4,52 +4,52 @@
 #include <linux/sched.h>
 #include <linux/tracepoint.h>
 
-DEFINE_TRACE(sched_kthread_stop,
+DECLARE_TRACE(sched_kthread_stop,
         TPPROTO(struct task_struct *t),
                 TPARGS(t));
 
-DEFINE_TRACE(sched_kthread_stop_ret,
+DECLARE_TRACE(sched_kthread_stop_ret,
         TPPROTO(int ret),
                 TPARGS(ret));
 
-DEFINE_TRACE(sched_wait_task,
+DECLARE_TRACE(sched_wait_task,
         TPPROTO(struct rq *rq, struct task_struct *p),
                 TPARGS(rq, p));
 
-DEFINE_TRACE(sched_wakeup,
+DECLARE_TRACE(sched_wakeup,
         TPPROTO(struct rq *rq, struct task_struct *p),
                 TPARGS(rq, p));
 
-DEFINE_TRACE(sched_wakeup_new,
+DECLARE_TRACE(sched_wakeup_new,
         TPPROTO(struct rq *rq, struct task_struct *p),
                 TPARGS(rq, p));
 
-DEFINE_TRACE(sched_switch,
+DECLARE_TRACE(sched_switch,
         TPPROTO(struct rq *rq, struct task_struct *prev,
                 struct task_struct *next),
                 TPARGS(rq, prev, next));
 
-DEFINE_TRACE(sched_migrate_task,
+DECLARE_TRACE(sched_migrate_task,
         TPPROTO(struct rq *rq, struct task_struct *p, int dest_cpu),
                 TPARGS(rq, p, dest_cpu));
 
-DEFINE_TRACE(sched_process_free,
+DECLARE_TRACE(sched_process_free,
         TPPROTO(struct task_struct *p),
                 TPARGS(p));
 
-DEFINE_TRACE(sched_process_exit,
+DECLARE_TRACE(sched_process_exit,
         TPPROTO(struct task_struct *p),
                 TPARGS(p));
 
-DEFINE_TRACE(sched_process_wait,
+DECLARE_TRACE(sched_process_wait,
         TPPROTO(struct pid *pid),
                 TPARGS(pid));
 
-DEFINE_TRACE(sched_process_fork,
+DECLARE_TRACE(sched_process_fork,
         TPPROTO(struct task_struct *parent, struct task_struct *child),
                 TPARGS(parent, child));
 
-DEFINE_TRACE(sched_signal_send,
+DECLARE_TRACE(sched_signal_send,
         TPPROTO(int sig, struct task_struct *p),
                 TPARGS(sig, p));