Merge branch 'tracing/fastboot' into cpus4096

18 files changed, 294 insertions, 208 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a135256b272c..6dcd30d806cd 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -786,6 +786,8 @@ static inline void blk_run_address_space(struct address_space *mapping)
                 blk_run_backing_dev(mapping->backing_dev_info, NULL);
 }
 
+extern void blkdev_dequeue_request(struct request *req);
+
 /*
  * blk_end_request() and friends.
  * __blk_end_request() and end_request() must be called with
@@ -820,11 +822,6 @@ extern void blk_update_request(struct request *rq, int error,
 extern unsigned int blk_rq_bytes(struct request *rq);
 extern unsigned int blk_rq_cur_bytes(struct request *rq);
 
-static inline void blkdev_dequeue_request(struct request *req)
-{
-        elv_dequeue_request(req->q, req);
-}
-
 /*
  * Access functions for manipulating queue properties
  */
@@ -921,6 +918,8 @@ extern void blk_set_cmd_filter_defaults(struct blk_cmd_filter *filter);
 
 #define MAX_SEGMENT_SIZE        65536
 
+#define BLK_SEG_BOUNDARY_MASK   0xFFFFFFFFUL
+
 #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queuelist)
 
 static inline int queue_hardsect_size(struct request_queue *q)
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/ftrace.h b/include/linux/ftrace.h
index 7854d87b97b2..11cac81eed08 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -7,6 +7,8 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/kallsyms.h>
+#include <linux/bitops.h>
+#include <linux/sched.h>
 
 #ifdef CONFIG_FUNCTION_TRACER
 
@@ -115,8 +117,13 @@ 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_RET_TRACER
-extern void ftrace_return_caller(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
 
 /**
@@ -311,35 +318,158 @@ 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;
+};
 
 /*
  * Structure that defines a return function trace.
  */
-struct ftrace_retfunc {
-        unsigned long ret; /* Return address */
+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_FUNCTION_RET_TRACER
+#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 a callback handler of tracing return function */
-typedef void (*trace_function_return_t)(struct ftrace_retfunc *);
+/* 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);
 
-extern int register_ftrace_return(trace_function_return_t func);
-/* The current handler in use */
-extern trace_function_return_t ftrace_function_return;
-extern void unregister_ftrace_return(void);
+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);
+}
 
-extern void ftrace_retfunc_init_task(struct task_struct *t);
-extern void ftrace_retfunc_exit_task(struct task_struct *t);
+static inline void unpause_graph_tracing(void)
+{
+        atomic_dec(&current->tracing_graph_pause);
+}
 #else
-static inline void ftrace_retfunc_init_task(struct task_struct *t) { }
-static inline void ftrace_retfunc_exit_task(struct task_struct *t) { }
+
+#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
index 0b4df55d7a74..366a054d0b05 100644
--- a/include/linux/ftrace_irq.h
+++ b/include/linux/ftrace_irq.h
@@ -2,7 +2,7 @@
 #define _LINUX_FTRACE_IRQ_H
 
 
-#if defined(CONFIG_DYNAMIC_FTRACE) || defined(CONFIG_FUNCTION_RET_TRACER)
+#if defined(CONFIG_DYNAMIC_FTRACE) || defined(CONFIG_FUNCTION_GRAPH_TRACER)
 extern void ftrace_nmi_enter(void);
 extern void ftrace_nmi_exit(void);
 #else
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 54525be4b5f8..010fb26a1579 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1296,6 +1296,13 @@ extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *o
 #define ide_pci_register_driver(d) pci_register_driver(d)
 #endif
 
+static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev)
+{
+        if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 5) != 5)
+                return 1;
+        return 0;
+}
+
 void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int,
                          hw_regs_t *, hw_regs_t **);
 void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *);
@@ -1375,6 +1382,7 @@ enum {
         IDE_HFLAG_IO_32BIT              = (1 << 24),
         /* unmask IRQs */
         IDE_HFLAG_UNMASK_IRQS           = (1 << 25),
+        IDE_HFLAG_BROKEN_ALTSTATUS      = (1 << 26),
         /* serialize ports if DMA is possible (for sl82c105) */
         IDE_HFLAG_SERIALIZE_DMA         = (1 << 27),
         /* force host out of "simplex" mode */
diff --git a/include/linux/marker.h b/include/linux/marker.h
index 34c14bc957f5..b85e74ca782f 100644
--- a/include/linux/marker.h
+++ b/include/linux/marker.h
@@ -211,8 +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/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index be41b609c88f..e52ce475d19f 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -251,7 +251,7 @@ struct xt_target_param {
  */
 struct xt_tgchk_param {
         const char *table;
-        void *entryinfo;
+        const void *entryinfo;
         const struct xt_target *target;
         void *targinfo;
         unsigned int hook_mask;
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/ring_buffer.h b/include/linux/ring_buffer.h
index 3bb87a753fa3..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,
@@ -124,6 +126,11 @@ 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 bf953932e676..423830b6e6e9 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,
@@ -1176,6 +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;
@@ -1367,7 +1380,7 @@ struct task_struct {
         unsigned long default_timer_slack_ns;
 
         struct list_head        *scm_work_list;
-#ifdef CONFIG_FUNCTION_RET_TRACER
+#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 */
@@ -1377,6 +1390,12 @@ struct task_struct {
          * 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
 };
 
diff --git a/include/linux/security.h b/include/linux/security.h
index c13f1cec9abb..e3d4ecda2673 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1818,17 +1818,21 @@ static inline int security_settime(struct timespec *ts, struct timezone *tz)
 
 static inline int security_vm_enough_memory(long pages)
 {
+        WARN_ON(current->mm == NULL);
         return cap_vm_enough_memory(current->mm, pages);
 }
 
-static inline int security_vm_enough_memory_kern(long pages)
+static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
 {
-        return cap_vm_enough_memory(current->mm, pages);
+        WARN_ON(mm == NULL);
+        return cap_vm_enough_memory(mm, pages);
 }
 
-static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
+static inline int security_vm_enough_memory_kern(long pages)
 {
-        return cap_vm_enough_memory(mm, pages);
+        /* If current->mm is a kernel thread then we will pass NULL,
+           for this specific case that is fine */
+        return cap_vm_enough_memory(current->mm, pages);
 }
 
 static inline int security_bprm_alloc(struct linux_binprm *bprm)
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/net/af_unix.h b/include/net/af_unix.h
index c29ff1da8a18..1614d78c60ed 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -9,6 +9,7 @@
 extern void unix_inflight(struct file *fp);
 extern void unix_notinflight(struct file *fp);
 extern void unix_gc(void);
+extern void wait_for_unix_gc(void);
 
 #define UNIX_HASH_SIZE  256
 
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index cac811e51f6d..c7190846e128 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -31,6 +31,7 @@ struct request_sock_ops {
         int             family;
         int             obj_size;
         struct kmem_cache       *slab;
+        char            *slab_name;
         int             (*rtx_syn_ack)(struct sock *sk,
                                        struct request_sock *req);
         void            (*send_ack)(struct sock *sk, struct sk_buff *skb,
diff --git a/include/net/timewait_sock.h b/include/net/timewait_sock.h
index 1e1ee3253fd8..97c3b14da55d 100644
--- a/include/net/timewait_sock.h
+++ b/include/net/timewait_sock.h
@@ -16,6 +16,7 @@
 
 struct timewait_sock_ops {
         struct kmem_cache       *twsk_slab;
+        char            *twsk_slab_name;
         unsigned int    twsk_obj_size;
         int             (*twsk_unique)(struct sock *sk,
                                        struct sock *sktw, void *twp);
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 49d8913c4f86..6e04e6fe79c7 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -357,7 +357,7 @@ struct fc_rport {	/* aka fc_starget_attrs */
 /* bit field values for struct fc_rport "flags" field: */
 #define FC_RPORT_DEVLOSS_PENDING        0x01
 #define FC_RPORT_SCAN_PENDING           0x02
-#define FC_RPORT_FAST_FAIL_TIMEDOUT     0x03
+#define FC_RPORT_FAST_FAIL_TIMEDOUT     0x04
 
 #define dev_to_rport(d)                         \
         container_of(d, struct fc_rport, dev)
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
index 6b54537eab02..088ea089e31d 100644
--- a/include/trace/boot.h
+++ b/include/trace/boot.h
@@ -1,6 +1,10 @@
 #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.
@@ -9,7 +13,7 @@
  */
 struct boot_trace_call {
         pid_t                   caller;
-        char                    func[KSYM_NAME_LEN];
+        char                    func[KSYM_SYMBOL_LEN];
 };
 
 /*
@@ -17,7 +21,7 @@ struct boot_trace_call {
  * while it returns.
  */
 struct boot_trace_ret {
-        char                    func[KSYM_NAME_LEN];
+        char                    func[KSYM_SYMBOL_LEN];
         int                             result;
         unsigned long long      duration;               /* nsecs */
 };