54 files changed, 988 insertions, 401 deletions

diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h
index 9a62937c56ca..51969436b8b8 100644
--- a/include/asm-generic/cputime.h
+++ b/include/asm-generic/cputime.h
@@ -4,66 +4,12 @@
 #include <linux/time.h>
 #include <linux/jiffies.h>
 
-typedef unsigned long __nocast cputime_t;
-
-#define cputime_one_jiffy               jiffies_to_cputime(1)
-#define cputime_to_jiffies(__ct)        (__force unsigned long)(__ct)
-#define cputime_to_scaled(__ct)         (__ct)
-#define jiffies_to_cputime(__hz)        (__force cputime_t)(__hz)
-
-typedef u64 __nocast cputime64_t;
-
-#define cputime64_to_jiffies64(__ct)    (__force u64)(__ct)
-#define jiffies64_to_cputime64(__jif)   (__force cputime64_t)(__jif)
-
-#define nsecs_to_cputime64(__ct)        \
-        jiffies64_to_cputime64(nsecs_to_jiffies64(__ct))
-
-
-/*
- * Convert cputime to microseconds and back.
- */
-#define cputime_to_usecs(__ct)          \
-        jiffies_to_usecs(cputime_to_jiffies(__ct))
-#define usecs_to_cputime(__usec)        \
-        jiffies_to_cputime(usecs_to_jiffies(__usec))
-#define usecs_to_cputime64(__usec)      \
-        jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
-
-/*
- * Convert cputime to seconds and back.
- */
-#define cputime_to_secs(jif)            (cputime_to_jiffies(jif) / HZ)
-#define secs_to_cputime(sec)            jiffies_to_cputime((sec) * HZ)
-
-/*
- * Convert cputime to timespec and back.
- */
-#define timespec_to_cputime(__val)      \
-        jiffies_to_cputime(timespec_to_jiffies(__val))
-#define cputime_to_timespec(__ct,__val) \
-        jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
-
-/*
- * Convert cputime to timeval and back.
- */
-#define timeval_to_cputime(__val)       \
-        jiffies_to_cputime(timeval_to_jiffies(__val))
-#define cputime_to_timeval(__ct,__val)  \
-        jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
-
-/*
- * Convert cputime to clock and back.
- */
-#define cputime_to_clock_t(__ct)        \
-        jiffies_to_clock_t(cputime_to_jiffies(__ct))
-#define clock_t_to_cputime(__x)         \
-        jiffies_to_cputime(clock_t_to_jiffies(__x))
+#ifndef CONFIG_VIRT_CPU_ACCOUNTING
+# include <asm-generic/cputime_jiffies.h>
+#endif
 
-/*
- * Convert cputime64 to clock.
- */
-#define cputime64_to_clock_t(__ct)      \
-        jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+# include <asm-generic/cputime_nsecs.h>
+#endif
 
 #endif
diff --git a/include/asm-generic/cputime_jiffies.h b/include/asm-generic/cputime_jiffies.h
new file mode 100644
index 000000000000..272ecba9f588
--- /dev/null
+++ b/include/asm-generic/cputime_jiffies.h
@@ -0,0 +1,72 @@
+#ifndef _ASM_GENERIC_CPUTIME_JIFFIES_H
+#define _ASM_GENERIC_CPUTIME_JIFFIES_H
+
+typedef unsigned long __nocast cputime_t;
+
+#define cputime_one_jiffy               jiffies_to_cputime(1)
+#define cputime_to_jiffies(__ct)        (__force unsigned long)(__ct)
+#define cputime_to_scaled(__ct)         (__ct)
+#define jiffies_to_cputime(__hz)        (__force cputime_t)(__hz)
+
+typedef u64 __nocast cputime64_t;
+
+#define cputime64_to_jiffies64(__ct)    (__force u64)(__ct)
+#define jiffies64_to_cputime64(__jif)   (__force cputime64_t)(__jif)
+
+
+/*
+ * Convert nanoseconds to cputime
+ */
+#define nsecs_to_cputime64(__nsec)      \
+        jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
+#define nsecs_to_cputime(__nsec)        \
+        jiffies_to_cputime(nsecs_to_jiffies(__nsec))
+
+
+/*
+ * Convert cputime to microseconds and back.
+ */
+#define cputime_to_usecs(__ct)          \
+        jiffies_to_usecs(cputime_to_jiffies(__ct))
+#define usecs_to_cputime(__usec)        \
+        jiffies_to_cputime(usecs_to_jiffies(__usec))
+#define usecs_to_cputime64(__usec)      \
+        jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
+
+/*
+ * Convert cputime to seconds and back.
+ */
+#define cputime_to_secs(jif)            (cputime_to_jiffies(jif) / HZ)
+#define secs_to_cputime(sec)            jiffies_to_cputime((sec) * HZ)
+
+/*
+ * Convert cputime to timespec and back.
+ */
+#define timespec_to_cputime(__val)      \
+        jiffies_to_cputime(timespec_to_jiffies(__val))
+#define cputime_to_timespec(__ct,__val) \
+        jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
+
+/*
+ * Convert cputime to timeval and back.
+ */
+#define timeval_to_cputime(__val)       \
+        jiffies_to_cputime(timeval_to_jiffies(__val))
+#define cputime_to_timeval(__ct,__val)  \
+        jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
+
+/*
+ * Convert cputime to clock and back.
+ */
+#define cputime_to_clock_t(__ct)        \
+        jiffies_to_clock_t(cputime_to_jiffies(__ct))
+#define clock_t_to_cputime(__x)         \
+        jiffies_to_cputime(clock_t_to_jiffies(__x))
+
+/*
+ * Convert cputime64 to clock.
+ */
+#define cputime64_to_clock_t(__ct)      \
+        jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
+
+#endif
diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h
new file mode 100644
index 000000000000..b6485cafb7bd
--- /dev/null
+++ b/include/asm-generic/cputime_nsecs.h
@@ -0,0 +1,104 @@
+/*
+ * Definitions for measuring cputime in nsecs resolution.
+ *
+ * Based on <arch/ia64/include/asm/cputime.h>
+ *
+ * Copyright (C) 2007 FUJITSU LIMITED
+ * Copyright (C) 2007 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ */
+
+#ifndef _ASM_GENERIC_CPUTIME_NSECS_H
+#define _ASM_GENERIC_CPUTIME_NSECS_H
+
+typedef u64 __nocast cputime_t;
+typedef u64 __nocast cputime64_t;
+
+#define cputime_one_jiffy               jiffies_to_cputime(1)
+
+/*
+ * Convert cputime <-> jiffies (HZ)
+ */
+#define cputime_to_jiffies(__ct)        \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
+#define cputime_to_scaled(__ct)         (__ct)
+#define jiffies_to_cputime(__jif)       \
+        (__force cputime_t)((__jif) * (NSEC_PER_SEC / HZ))
+#define cputime64_to_jiffies64(__ct)    \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies64_to_cputime64(__jif)   \
+        (__force cputime64_t)((__jif) * (NSEC_PER_SEC / HZ))
+
+
+/*
+ * Convert cputime <-> nanoseconds
+ */
+#define nsecs_to_cputime(__nsecs)       ((__force u64)(__nsecs))
+
+
+/*
+ * Convert cputime <-> microseconds
+ */
+#define cputime_to_usecs(__ct)          \
+        ((__force u64)(__ct) / NSEC_PER_USEC)
+#define usecs_to_cputime(__usecs)       \
+        (__force cputime_t)((__usecs) * NSEC_PER_USEC)
+#define usecs_to_cputime64(__usecs)     \
+        (__force cputime64_t)((__usecs) * NSEC_PER_USEC)
+
+/*
+ * Convert cputime <-> seconds
+ */
+#define cputime_to_secs(__ct)           \
+        ((__force u64)(__ct) / NSEC_PER_SEC)
+#define secs_to_cputime(__secs)         \
+        (__force cputime_t)((__secs) * NSEC_PER_SEC)
+
+/*
+ * Convert cputime <-> timespec (nsec)
+ */
+static inline cputime_t timespec_to_cputime(const struct timespec *val)
+{
+        u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_nsec;
+        return (__force cputime_t) ret;
+}
+static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
+{
+        val->tv_sec  = (__force u64) ct / NSEC_PER_SEC;
+        val->tv_nsec = (__force u64) ct % NSEC_PER_SEC;
+}
+
+/*
+ * Convert cputime <-> timeval (msec)
+ */
+static inline cputime_t timeval_to_cputime(struct timeval *val)
+{
+        u64 ret = val->tv_sec * NSEC_PER_SEC + val->tv_usec * NSEC_PER_USEC;
+        return (__force cputime_t) ret;
+}
+static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
+{
+        val->tv_sec = (__force u64) ct / NSEC_PER_SEC;
+        val->tv_usec = ((__force u64) ct % NSEC_PER_SEC) / NSEC_PER_USEC;
+}
+
+/*
+ * Convert cputime <-> clock (USER_HZ)
+ */
+#define cputime_to_clock_t(__ct)        \
+        ((__force u64)(__ct) / (NSEC_PER_SEC / USER_HZ))
+#define clock_t_to_cputime(__x)         \
+        (__force cputime_t)((__x) * (NSEC_PER_SEC / USER_HZ))
+
+/*
+ * Convert cputime64 to clock.
+ */
+#define cputime64_to_clock_t(__ct)      \
+        cputime_to_clock_t((__force cputime_t)__ct)
+
+#endif
diff --git a/include/linux/aer.h b/include/linux/aer.h
index 544abdb2238c..ec10e1b24c1c 100644
--- a/include/linux/aer.h
+++ b/include/linux/aer.h
@@ -49,8 +49,8 @@ static inline int pci_cleanup_aer_uncorrect_error_status(struct pci_dev *dev)
 }
 #endif
 
-extern void cper_print_aer(const char *prefix, int cper_severity,
-                           struct aer_capability_regs *aer);
+extern void cper_print_aer(const char *prefix, struct pci_dev *dev,
+                           int cper_severity, struct aer_capability_regs *aer);
 extern int cper_severity_to_aer(int cper_severity);
 extern void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
                               int severity);
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 8a7096fcb01e..66346521cb65 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -161,6 +161,15 @@ clockevents_calc_mult_shift(struct clock_event_device *ce, u32 freq, u32 minsec)
 extern void clockevents_suspend(void);
 extern void clockevents_resume(void);
 
+#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
+#ifdef CONFIG_ARCH_HAS_TICK_BROADCAST
+extern void tick_broadcast(const struct cpumask *mask);
+#else
+#define tick_broadcast  NULL
+#endif
+extern int tick_receive_broadcast(void);
+#endif
+
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 extern void clockevents_notify(unsigned long reason, void *arg);
 #else
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index e24339ccb7f0..b28d161c1091 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -3,12 +3,40 @@
 
 #ifdef CONFIG_CONTEXT_TRACKING
 #include <linux/sched.h>
+#include <linux/percpu.h>
+
+struct context_tracking {
+        /*
+         * When active is false, probes are unset in order
+         * to minimize overhead: TIF flags are cleared
+         * and calls to user_enter/exit are ignored. This
+         * may be further optimized using static keys.
+         */
+        bool active;
+        enum {
+                IN_KERNEL = 0,
+                IN_USER,
+        } state;
+};
+
+DECLARE_PER_CPU(struct context_tracking, context_tracking);
+
+static inline bool context_tracking_in_user(void)
+{
+        return __this_cpu_read(context_tracking.state) == IN_USER;
+}
+
+static inline bool context_tracking_active(void)
+{
+        return __this_cpu_read(context_tracking.active);
+}
 
 extern void user_enter(void);
 extern void user_exit(void);
 extern void context_tracking_task_switch(struct task_struct *prev,
                                          struct task_struct *next);
 #else
+static inline bool context_tracking_in_user(void) { return false; }
 static inline void user_enter(void) { }
 static inline void user_exit(void) { }
 static inline void context_tracking_task_switch(struct task_struct *prev,
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 8b84916dc671..7a9498ab3c2d 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -618,18 +618,30 @@ extern int __init efi_setup_pcdp_console(char *);
 #endif
 
 /*
- * We play games with efi_enabled so that the compiler will, if possible, remove
- * EFI-related code altogether.
+ * We play games with efi_enabled so that the compiler will, if
+ * possible, remove EFI-related code altogether.
  */
+#define EFI_BOOT                0       /* Were we booted from EFI? */
+#define EFI_SYSTEM_TABLES       1       /* Can we use EFI system tables? */
+#define EFI_CONFIG_TABLES       2       /* Can we use EFI config tables? */
+#define EFI_RUNTIME_SERVICES    3       /* Can we use runtime services? */
+#define EFI_MEMMAP              4       /* Can we use EFI memory map? */
+#define EFI_64BIT               5       /* Is the firmware 64-bit? */
+
 #ifdef CONFIG_EFI
 # ifdef CONFIG_X86
-   extern int efi_enabled;
-   extern bool efi_64bit;
+extern int efi_enabled(int facility);
 # else
-#  define efi_enabled 1
+static inline int efi_enabled(int facility)
+{
+        return 1;
+}
 # endif
 #else
-# define efi_enabled 0
+static inline int efi_enabled(int facility)
+{
+        return 0;
+}
 #endif
 
 /*
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 92691d85c320..e5ca8ef50e9b 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -74,7 +74,7 @@ typedef void (*ftrace_func_t)(unsigned long ip, unsigned long parent_ip,
  * SAVE_REGS - The ftrace_ops wants regs saved at each function called
  *            and passed to the callback. If this flag is set, but the
  *            architecture does not support passing regs
- *            (ARCH_SUPPORTS_FTRACE_SAVE_REGS is not defined), then the
+ *            (CONFIG_DYNAMIC_FTRACE_WITH_REGS is not defined), then the
  *            ftrace_ops will fail to register, unless the next flag
  *            is set.
  * SAVE_REGS_IF_SUPPORTED - This is the same as SAVE_REGS, but if the
@@ -418,7 +418,7 @@ void ftrace_modify_all_code(int command);
 #endif
 
 #ifndef FTRACE_REGS_ADDR
-#ifdef ARCH_SUPPORTS_FTRACE_SAVE_REGS
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
 # define FTRACE_REGS_ADDR ((unsigned long)ftrace_regs_caller)
 #else
 # define FTRACE_REGS_ADDR FTRACE_ADDR
@@ -480,7 +480,7 @@ extern int ftrace_make_nop(struct module *mod,
  */
 extern int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr);
 
-#ifdef ARCH_SUPPORTS_FTRACE_SAVE_REGS
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
 /**
  * ftrace_modify_call - convert from one addr to another (no nop)
  * @rec: the mcount call site record
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index a3d489531d83..13a54d0bdfa8 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -49,7 +49,6 @@ struct trace_entry {
         unsigned char           flags;
         unsigned char           preempt_count;
         int                     pid;
-        int                     padding;
 };
 
 #define FTRACE_MAX_EVENT                                                \
@@ -84,6 +83,9 @@ struct trace_iterator {
         long                    idx;
 
         cpumask_var_t           started;
+
+        /* it's true when current open file is snapshot */
+        bool                    snapshot;
 };
 
 enum trace_iter_flags {
@@ -272,7 +274,7 @@ extern int trace_define_field(struct ftrace_event_call *call, const char *type,
 extern int trace_add_event_call(struct ftrace_event_call *call);
 extern void trace_remove_event_call(struct ftrace_event_call *call);
 
-#define is_signed_type(type)    (((type)(-1)) < 0)
+#define is_signed_type(type)    (((type)(-1)) < (type)0)
 
 int trace_set_clr_event(const char *system, const char *event, int set);
 
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 624ef3f45c8e..29eb805ea4a6 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -153,7 +153,7 @@ extern void rcu_nmi_exit(void);
  */
 #define __irq_enter()                                   \
         do {                                            \
-                vtime_account_irq_enter(current);       \
+                account_irq_enter_time(current);        \
                 add_preempt_count(HARDIRQ_OFFSET);      \
                 trace_hardirq_enter();                  \
         } while (0)
@@ -169,7 +169,7 @@ extern void irq_enter(void);
 #define __irq_exit()                                    \
         do {                                            \
                 trace_hardirq_exit();                   \
-                vtime_account_irq_exit(current);        \
+                account_irq_exit_time(current);         \
                 sub_preempt_count(HARDIRQ_OFFSET);      \
         } while (0)
 
@@ -180,10 +180,10 @@ extern void irq_exit(void);
 
 #define nmi_enter()                                             \
         do {                                                    \
+                lockdep_off();                                  \
                 ftrace_nmi_enter();                             \
                 BUG_ON(in_nmi());                               \
                 add_preempt_count(NMI_OFFSET + HARDIRQ_OFFSET); \
-                lockdep_off();                                  \
                 rcu_nmi_enter();                                \
                 trace_hardirq_enter();                          \
         } while (0)
@@ -192,10 +192,10 @@ extern void irq_exit(void);
         do {                                                    \
                 trace_hardirq_exit();                           \
                 rcu_nmi_exit();                                 \
-                lockdep_on();                                   \
                 BUG_ON(!in_nmi());                              \
                 sub_preempt_count(NMI_OFFSET + HARDIRQ_OFFSET); \
                 ftrace_nmi_exit();                              \
+                lockdep_on();                                   \
         } while (0)
 
 #endif /* LINUX_HARDIRQ_H */
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 6d087c5f57f7..5cd0f0949927 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -10,7 +10,9 @@
 #include <linux/pid_namespace.h>
 #include <linux/user_namespace.h>
 #include <linux/securebits.h>
+#include <linux/seqlock.h>
 #include <net/net_namespace.h>
+#include <linux/sched/rt.h>
 
 #ifdef CONFIG_SMP
 # define INIT_PUSHABLE_TASKS(tsk)                                       \
@@ -141,6 +143,15 @@ extern struct task_group root_task_group;
 # define INIT_PERF_EVENTS(tsk)
 #endif
 
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+# define INIT_VTIME(tsk)                                                \
+        .vtime_seqlock = __SEQLOCK_UNLOCKED(tsk.vtime_seqlock), \
+        .vtime_snap = 0,                                \
+        .vtime_snap_whence = VTIME_SYS,
+#else
+# define INIT_VTIME(tsk)
+#endif
+
 #define INIT_TASK_COMM "swapper"
 
 /*
@@ -210,6 +221,7 @@ extern struct task_group root_task_group;
         INIT_TRACE_RECURSION                                            \
         INIT_TASK_RCU_PREEMPT(tsk)                                      \
         INIT_CPUSET_SEQ                                                 \
+        INIT_VTIME(tsk)                                                 \
 }
 
 
diff --git a/include/linux/irq.h b/include/linux/irq.h
index fdf2c4a238cc..bc4e06611958 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -509,8 +509,11 @@ static inline void irq_set_percpu_devid_flags(unsigned int irq)
 
 /* Handle dynamic irq creation and destruction */
 extern unsigned int create_irq_nr(unsigned int irq_want, int node);
+extern unsigned int __create_irqs(unsigned int from, unsigned int count,
+                                  int node);
 extern int create_irq(void);
 extern void destroy_irq(unsigned int irq);
+extern void destroy_irqs(unsigned int irq, unsigned int count);
 
 /*
  * Dynamic irq helper functions. Obsolete. Use irq_alloc_desc* and
@@ -528,6 +531,8 @@ extern int irq_set_handler_data(unsigned int irq, void *data);
 extern int irq_set_chip_data(unsigned int irq, void *data);
 extern int irq_set_irq_type(unsigned int irq, unsigned int type);
 extern int irq_set_msi_desc(unsigned int irq, struct msi_desc *entry);
+extern int irq_set_msi_desc_off(unsigned int irq_base, unsigned int irq_offset,
+                                struct msi_desc *entry);
 extern struct irq_data *irq_get_irq_data(unsigned int irq);
 
 static inline struct irq_chip *irq_get_chip(unsigned int irq)
@@ -590,6 +595,9 @@ int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
 #define irq_alloc_desc_from(from, node)         \
         irq_alloc_descs(-1, from, 1, node)
 
+#define irq_alloc_descs_from(from, cnt, node)   \
+        irq_alloc_descs(-1, from, cnt, node)
+
 void irq_free_descs(unsigned int irq, unsigned int cnt);
 int irq_reserve_irqs(unsigned int from, unsigned int cnt);
 
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index 6a9e8f5399e2..f5dbce50466e 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -3,6 +3,20 @@
 
 #include <linux/llist.h>
 
+/*
+ * An entry can be in one of four states:
+ *
+ * free      NULL, 0 -> {claimed}       : free to be used
+ * claimed   NULL, 3 -> {pending}       : claimed to be enqueued
+ * pending   next, 3 -> {busy}          : queued, pending callback
+ * busy      NULL, 2 -> {free, claimed} : callback in progress, can be claimed
+ */
+
+#define IRQ_WORK_PENDING        1UL
+#define IRQ_WORK_BUSY           2UL
+#define IRQ_WORK_FLAGS          3UL
+#define IRQ_WORK_LAZY           4UL /* Doesn't want IPI, wait for tick */
+
 struct irq_work {
         unsigned long flags;
         struct llist_node llnode;
@@ -16,8 +30,14 @@ void init_irq_work(struct irq_work *work, void (*func)(struct irq_work *))
         work->func = func;
 }
 
-bool irq_work_queue(struct irq_work *work);
+void irq_work_queue(struct irq_work *work);
 void irq_work_run(void);
 void irq_work_sync(struct irq_work *work);
 
+#ifdef CONFIG_IRQ_WORK
+bool irq_work_needs_cpu(void);
+#else
+static bool irq_work_needs_cpu(void) { return false; }
+#endif
+
 #endif /* _LINUX_IRQ_WORK_H */
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 66b70780e910..ed5f6ed6eb77 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -127,7 +127,7 @@ extern void account_system_time(struct task_struct *, int, cputime_t, cputime_t)
 extern void account_steal_time(cputime_t);
 extern void account_idle_time(cputime_t);
 
-#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
 static inline void account_process_tick(struct task_struct *tsk, int user)
 {
         vtime_account_user(tsk);
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 23755ba42abc..4b6ef4d33cc2 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -49,16 +49,6 @@
 #define KPROBE_REENTER          0x00000004
 #define KPROBE_HIT_SSDONE       0x00000008
 
-/*
- * If function tracer is enabled and the arch supports full
- * passing of pt_regs to function tracing, then kprobes can
- * optimize on top of function tracing.
- */
-#if defined(CONFIG_FUNCTION_TRACER) && defined(ARCH_SUPPORTS_FTRACE_SAVE_REGS) \
-        && defined(ARCH_SUPPORTS_KPROBES_ON_FTRACE)
-# define KPROBES_CAN_USE_FTRACE
-#endif
-
 /* Attach to insert probes on any functions which should be ignored*/
 #define __kprobes       __attribute__((__section__(".kprobes.text")))
 
@@ -316,7 +306,7 @@ extern int proc_kprobes_optimization_handler(struct ctl_table *table,
 #endif
 
 #endif /* CONFIG_OPTPROBES */
-#ifdef KPROBES_CAN_USE_FTRACE
+#ifdef CONFIG_KPROBES_ON_FTRACE
 extern void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
                                   struct ftrace_ops *ops, struct pt_regs *regs);
 extern int arch_prepare_kprobe_ftrace(struct kprobe *p);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 2c497ab0d03d..b7996a768eb2 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -22,6 +22,7 @@
 #include <linux/rcupdate.h>
 #include <linux/ratelimit.h>
 #include <linux/err.h>
+#include <linux/irqflags.h>
 #include <asm/signal.h>
 
 #include <linux/kvm.h>
@@ -740,15 +741,52 @@ static inline int kvm_deassign_device(struct kvm *kvm,
 }
 #endif /* CONFIG_IOMMU_API */
 
-static inline void kvm_guest_enter(void)
+static inline void __guest_enter(void)
 {
-        BUG_ON(preemptible());
         /*
          * This is running in ioctl context so we can avoid
          * the call to vtime_account() with its unnecessary idle check.
          */
-        vtime_account_system_irqsafe(current);
+        vtime_account_system(current);
         current->flags |= PF_VCPU;
+}
+
+static inline void __guest_exit(void)
+{
+        /*
+         * This is running in ioctl context so we can avoid
+         * the call to vtime_account() with its unnecessary idle check.
+         */
+        vtime_account_system(current);
+        current->flags &= ~PF_VCPU;
+}
+
+#ifdef CONFIG_CONTEXT_TRACKING
+extern void guest_enter(void);
+extern void guest_exit(void);
+
+#else /* !CONFIG_CONTEXT_TRACKING */
+static inline void guest_enter(void)
+{
+        __guest_enter();
+}
+
+static inline void guest_exit(void)
+{
+        __guest_exit();
+}
+#endif /* !CONFIG_CONTEXT_TRACKING */
+
+static inline void kvm_guest_enter(void)
+{
+        unsigned long flags;
+
+        BUG_ON(preemptible());
+
+        local_irq_save(flags);
+        guest_enter();
+        local_irq_restore(flags);
+
         /* KVM does not hold any references to rcu protected data when it
          * switches CPU into a guest mode. In fact switching to a guest mode
          * is very similar to exiting to userspase from rcu point of view. In
@@ -761,12 +799,11 @@ static inline void kvm_guest_enter(void)
 
 static inline void kvm_guest_exit(void)
 {
-        /*
-         * This is running in ioctl context so we can avoid
-         * the call to vtime_account() with its unnecessary idle check.
-         */
-        vtime_account_system_irqsafe(current);
-        current->flags &= ~PF_VCPU;
+        unsigned long flags;
+
+        local_irq_save(flags);
+        guest_exit();
+        local_irq_restore(flags);
 }
 
 /*
diff --git a/include/linux/llist.h b/include/linux/llist.h
index a5199f6d0e82..d0ab98f73d38 100644
--- a/include/linux/llist.h
+++ b/include/linux/llist.h
@@ -125,6 +125,31 @@ static inline void init_llist_head(struct llist_head *list)
              (pos) = llist_entry((pos)->member.next, typeof(*(pos)), member))
 
 /**
+ * llist_for_each_entry_safe - iterate safely against remove over some entries
+ * of lock-less list of given type.
+ * @pos:        the type * to use as a loop cursor.
+ * @n:          another type * to use as a temporary storage.
+ * @node:       the fist entry of deleted list entries.
+ * @member:     the name of the llist_node with the struct.
+ *
+ * In general, some entries of the lock-less list can be traversed
+ * safely only after being removed from list, so start with an entry
+ * instead of list head. This variant allows removal of entries
+ * as we iterate.
+ *
+ * If being used on entries deleted from lock-less list directly, the
+ * traverse order is from the newest to the oldest added entry.  If
+ * you want to traverse from the oldest to the newest, you must
+ * reverse the order by yourself before traversing.
+ */
+#define llist_for_each_entry_safe(pos, n, node, member)         \
+        for ((pos) = llist_entry((node), typeof(*(pos)), member),       \
+             (n) = (pos)->member.next;                                  \
+             &(pos)->member != NULL;                                    \
+             (pos) = llist_entry(n, typeof(*(pos)), member),            \
+             (n) = (&(pos)->member != NULL) ? (pos)->member.next : NULL)
+
+/**
  * llist_empty - tests whether a lock-less list is empty
  * @head:       the list to test
  *
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 0108a56f814e..28bd5fa2ff2e 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -429,7 +429,7 @@ extern int memcg_limited_groups_array_size;
  * the slab_mutex must be held when looping through those caches
  */
 #define for_each_memcg_cache_index(_idx)        \
-        for ((_idx) = 0; i < memcg_limited_groups_array_size; (_idx)++)
+        for ((_idx) = 0; (_idx) < memcg_limited_groups_array_size; (_idx)++)
 
 static inline bool memcg_kmem_enabled(void)
 {
diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h
index 2138bd33021a..e53dcfeaee69 100644
--- a/include/linux/mfd/abx500.h
+++ b/include/linux/mfd/abx500.h
@@ -272,8 +272,6 @@ struct abx500_bm_data {
         const struct abx500_fg_parameters *fg_params;
 };
 
-extern struct abx500_bm_data ab8500_bm_data;
-
 enum {
         NTC_EXTERNAL = 0,
         NTC_INTERNAL,
diff --git a/include/linux/mfd/abx500/ab8500-bm.h b/include/linux/mfd/abx500/ab8500-bm.h
index 44310c98ee6e..9bd037df97d9 100644
--- a/include/linux/mfd/abx500/ab8500-bm.h
+++ b/include/linux/mfd/abx500/ab8500-bm.h
@@ -422,7 +422,10 @@ struct ab8500_chargalg_platform_data {
 struct ab8500_btemp;
 struct ab8500_gpadc;
 struct ab8500_fg;
+
 #ifdef CONFIG_AB8500_BM
+extern struct abx500_bm_data ab8500_bm_data;
+
 void ab8500_fg_reinit(void);
 void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
 struct ab8500_btemp *ab8500_btemp_get(void);
@@ -434,31 +437,7 @@ int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res);
 int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
 
 #else
-int ab8500_fg_inst_curr_done(struct ab8500_fg *di)
-{
-}
-static void ab8500_fg_reinit(void)
-{
-}
-static void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA)
-{
-}
-static struct ab8500_btemp *ab8500_btemp_get(void)
-{
-        return NULL;
-}
-static int ab8500_btemp_get_batctrl_temp(struct ab8500_btemp *btemp)
-{
-        return 0;
-}
-struct ab8500_fg *ab8500_fg_get(void)
-{
-        return NULL;
-}
-static int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev)
-{
-        return -ENODEV;
-}
+static struct abx500_bm_data ab8500_bm_data;
 
 static inline int ab8500_fg_inst_curr_start(struct ab8500_fg *di)
 {
diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index 86dd93de6ff2..786d02eb79d2 100644
--- a/include/linux/mfd/da9052/da9052.h
+++ b/include/linux/mfd/da9052/da9052.h
@@ -99,6 +99,9 @@ struct da9052 {
         u8 chip_id;
 
         int chip_irq;
+
+        /* SOC I/O transfer related fixes for DA9052/53 */
+        int (*fix_io) (struct da9052 *da9052, unsigned char reg);
 };
 
 /* ADC API */
@@ -113,32 +116,87 @@ static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg)
         ret = regmap_read(da9052->regmap, reg, &val);
         if (ret < 0)
                 return ret;
+
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+
         return val;
 }
 
 static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg,
                                     unsigned char val)
 {
-        return regmap_write(da9052->regmap, reg, val);
+        int ret;
+
+        ret = regmap_write(da9052->regmap, reg, val);
+        if (ret < 0)
+                return ret;
+
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+
+        return ret;
 }
 
 static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg,
                                      unsigned reg_cnt, unsigned char *val)
 {
-        return regmap_bulk_read(da9052->regmap, reg, val, reg_cnt);
+        int ret;
+
+        ret = regmap_bulk_read(da9052->regmap, reg, val, reg_cnt);
+        if (ret < 0)
+                return ret;
+
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+
+        return ret;
 }
 
 static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg,
                                       unsigned reg_cnt, unsigned char *val)
 {
-        return regmap_raw_write(da9052->regmap, reg, val, reg_cnt);
+        int ret;
+
+        ret = regmap_raw_write(da9052->regmap, reg, val, reg_cnt);
+        if (ret < 0)
+                return ret;
+
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+
+        return ret;
 }
 
 static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg,
                                      unsigned char bit_mask,
                                      unsigned char reg_val)
 {
-        return regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
+        int ret;
+
+        ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val);
+        if (ret < 0)
+                return ret;
+
+        if (da9052->fix_io) {
+                ret = da9052->fix_io(da9052, reg);
+                if (ret < 0)
+                        return ret;
+        }
+
+        return ret;
 }
 
 int da9052_device_init(struct da9052 *da9052, u8 chip_id);
diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h
index b97f7309d7f6..c4dd3a8add21 100644
--- a/include/linux/mfd/da9052/reg.h
+++ b/include/linux/mfd/da9052/reg.h
@@ -34,6 +34,9 @@
 #define DA9052_STATUS_C_REG             3
 #define DA9052_STATUS_D_REG             4
 
+/* PARK REGISTER */
+#define DA9052_PARK_REGISTER            DA9052_STATUS_D_REG
+
 /* EVENT REGISTERS */
 #define DA9052_EVENT_A_REG              5
 #define DA9052_EVENT_B_REG              6
diff --git a/include/linux/mfd/rtsx_common.h b/include/linux/mfd/rtsx_common.h
index a8d393e3066b..2b13970596f5 100644
--- a/include/linux/mfd/rtsx_common.h
+++ b/include/linux/mfd/rtsx_common.h
@@ -38,6 +38,9 @@
 #define RTSX_SD_CARD                    0
 #define RTSX_MS_CARD                    1
 
+#define CLK_TO_DIV_N                    0
+#define DIV_N_TO_CLK                    1
+
 struct platform_device;
 
 struct rtsx_slot {
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 060b721fcbfb..4b117a3f54d4 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -158,10 +158,9 @@
 #define SG_TRANS_DATA           (0x02 << 4)
 #define SG_LINK_DESC            (0x03 << 4)
 
-/* SD bank voltage */
-#define SD_IO_3V3               0
-#define SD_IO_1V8               1
-
+/* Output voltage */
+#define OUTPUT_3V3              0
+#define OUTPUT_1V8              1
 
 /* Card Clock Enable Register */
 #define SD_CLK_EN                       0x04
@@ -201,6 +200,20 @@
 #define CHANGE_CLK                      0x01
 
 /* LDO_CTL */
+#define BPP_ASIC_1V7                    0x00
+#define BPP_ASIC_1V8                    0x01
+#define BPP_ASIC_1V9                    0x02
+#define BPP_ASIC_2V0                    0x03
+#define BPP_ASIC_2V7                    0x04
+#define BPP_ASIC_2V8                    0x05
+#define BPP_ASIC_3V2                    0x06
+#define BPP_ASIC_3V3                    0x07
+#define BPP_REG_TUNED18                 0x07
+#define BPP_TUNED18_SHIFT_8402          5
+#define BPP_TUNED18_SHIFT_8411          4
+#define BPP_PAD_MASK                    0x04
+#define BPP_PAD_3V3                     0x04
+#define BPP_PAD_1V8                     0x00
 #define BPP_LDO_POWB                    0x03
 #define BPP_LDO_ON                      0x00
 #define BPP_LDO_SUSPEND                 0x02
@@ -688,7 +701,10 @@ struct pcr_ops {
         int             (*disable_auto_blink)(struct rtsx_pcr *pcr);
         int             (*card_power_on)(struct rtsx_pcr *pcr, int card);
         int             (*card_power_off)(struct rtsx_pcr *pcr, int card);
+        int             (*switch_output_voltage)(struct rtsx_pcr *pcr,
+                                                u8 voltage);
         unsigned int    (*cd_deglitch)(struct rtsx_pcr *pcr);
+        int             (*conv_clk_and_div_n)(int clk, int dir);
 };
 
 enum PDEV_STAT  {PDEV_STAT_IDLE, PDEV_STAT_RUN};
@@ -783,6 +799,7 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
                 u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
 int rtsx_pci_card_power_on(struct rtsx_pcr *pcr, int card);
 int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card);
+int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage);
 unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr);
 void rtsx_pci_complete_unfinished_transfer(struct rtsx_pcr *pcr);
 
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index bc823c4c028b..deca87452528 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -151,7 +151,7 @@ struct mmu_notifier_ops {
  * Therefore notifier chains can only be traversed when either
  *
  * 1. mmap_sem is held.
- * 2. One of the reverse map locks is held (i_mmap_mutex or anon_vma->mutex).
+ * 2. One of the reverse map locks is held (i_mmap_mutex or anon_vma->rwsem).
  * 3. No other concurrent thread can access the list (release)
  */
 struct mmu_notifier {
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 15472d691ee6..6fa4dd2a3b9e 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1101,6 +1101,12 @@ static inline int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec)
         return -1;
 }
 
+static inline int
+pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec)
+{
+        return -1;
+}
+
 static inline void pci_msi_shutdown(struct pci_dev *dev)
 { }
 static inline void pci_disable_msi(struct pci_dev *dev)
@@ -1132,6 +1138,7 @@ static inline int pci_msi_enabled(void)
 }
 #else
 extern int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec);
+extern int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec);
 extern void pci_msi_shutdown(struct pci_dev *dev);
 extern void pci_disable_msi(struct pci_dev *dev);
 extern int pci_msix_table_size(struct pci_dev *dev);
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 6bfb2faa0b19..e47ee462c2f2 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -135,16 +135,21 @@ struct hw_perf_event {
                 struct { /* software */
                         struct hrtimer  hrtimer;
                 };
+                struct { /* tracepoint */
+                        struct task_struct      *tp_target;
+                        /* for tp_event->class */
+                        struct list_head        tp_list;
+                };
 #ifdef CONFIG_HAVE_HW_BREAKPOINT
                 struct { /* breakpoint */
-                        struct arch_hw_breakpoint       info;
-                        struct list_head                bp_list;
                         /*
                          * Crufty hack to avoid the chicken and egg
                          * problem hw_breakpoint has with context
                          * creation and event initalization.
                          */
                         struct task_struct              *bp_target;
+                        struct arch_hw_breakpoint       info;
+                        struct list_head                bp_list;
                 };
 #endif
         };
@@ -817,6 +822,17 @@ do {									\
 } while (0)
 
 
+struct perf_pmu_events_attr {
+        struct device_attribute attr;
+        u64 id;
+};
+
+#define PMU_EVENT_ATTR(_name, _var, _id, _show)                         \
+static struct perf_pmu_events_attr _var = {                             \
+        .attr = __ATTR(_name, 0444, _show, NULL),                       \
+        .id   =  _id,                                                   \
+};
+
 #define PMU_FORMAT_ATTR(_name, _format)                                 \
 static ssize_t                                                          \
 _name##_show(struct device *dev,                                        \
diff --git a/include/linux/printk.h b/include/linux/printk.h
index 9afc01e5a0a6..86c4b6294713 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -98,9 +98,6 @@ int no_printk(const char *fmt, ...)
 extern asmlinkage __printf(1, 2)
 void early_printk(const char *fmt, ...);
 
-extern int printk_needs_cpu(int cpu);
-extern void printk_tick(void);
-
 #ifdef CONFIG_PRINTK
 asmlinkage __printf(5, 0)
 int vprintk_emit(int facility, int level,
diff --git a/include/linux/profile.h b/include/linux/profile.h
index a0fc32279fc0..21123902366d 100644
--- a/include/linux/profile.h
+++ b/include/linux/profile.h
@@ -82,9 +82,6 @@ int task_handoff_unregister(struct notifier_block * n);
 int profile_event_register(enum profile_type, struct notifier_block * n);
 int profile_event_unregister(enum profile_type, struct notifier_block * n);
 
-int register_timer_hook(int (*hook)(struct pt_regs *));
-void unregister_timer_hook(int (*hook)(struct pt_regs *));
-
 struct pt_regs;
 
 #else
@@ -135,16 +132,6 @@ static inline int profile_event_unregister(enum profile_type t, struct notifier_
 #define profile_handoff_task(a) (0)
 #define profile_munmap(a) do { } while (0)
 
-static inline int register_timer_hook(int (*hook)(struct pt_regs *))
-{
-        return -ENOSYS;
-}
-
-static inline void unregister_timer_hook(int (*hook)(struct pt_regs *))
-{
-        return;
-}
-
 #endif /* CONFIG_PROFILING */
 
 #endif /* _LINUX_PROFILE_H */
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 275aa3f1062d..b758ce17b309 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -53,7 +53,10 @@ extern int rcutorture_runnable; /* for sysctl */
 extern void rcutorture_record_test_transition(void);
 extern void rcutorture_record_progress(unsigned long vernum);
 extern void do_trace_rcu_torture_read(char *rcutorturename,
-                                      struct rcu_head *rhp);
+                                      struct rcu_head *rhp,
+                                      unsigned long secs,
+                                      unsigned long c_old,
+                                      unsigned long c);
 #else
 static inline void rcutorture_record_test_transition(void)
 {
@@ -63,9 +66,13 @@ static inline void rcutorture_record_progress(unsigned long vernum)
 }
 #ifdef CONFIG_RCU_TRACE
 extern void do_trace_rcu_torture_read(char *rcutorturename,
-                                      struct rcu_head *rhp);
+                                      struct rcu_head *rhp,
+                                      unsigned long secs,
+                                      unsigned long c_old,
+                                      unsigned long c);
 #else
-#define do_trace_rcu_torture_read(rcutorturename, rhp) do { } while (0)
+#define do_trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \
+        do { } while (0)
 #endif
 #endif
 
@@ -749,7 +756,7 @@ static inline void rcu_preempt_sleep_check(void)
  * preemptible RCU implementations (TREE_PREEMPT_RCU and TINY_PREEMPT_RCU)
  * in CONFIG_PREEMPT kernel builds, RCU read-side critical sections may
  * be preempted, but explicit blocking is illegal.  Finally, in preemptible
- * RCU implementations in real-time (CONFIG_PREEMPT_RT) kernel builds,
+ * RCU implementations in real-time (with -rt patchset) kernel builds,
  * RCU read-side critical sections may be preempted and they may also
  * block, but only when acquiring spinlocks that are subject to priority
  * inheritance.
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index 519777e3fa01..1342e69542f3 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -167,6 +167,7 @@ unsigned long ring_buffer_entries_cpu(struct ring_buffer *buffer, int cpu);
 unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu);
 unsigned long ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu);
 unsigned long ring_buffer_dropped_events_cpu(struct ring_buffer *buffer, int cpu);
+unsigned long ring_buffer_read_events_cpu(struct ring_buffer *buffer, int cpu);
 
 u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu);
 void ring_buffer_normalize_time_stamp(struct ring_buffer *buffer,
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 9531845c419f..11d05f9fe8b6 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -138,6 +138,7 @@ extern void rtc_device_unregister(struct rtc_device *rtc);
 extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm);
 extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm);
 extern int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs);
+extern int rtc_set_ntp_time(struct timespec now);
 int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm);
 extern int rtc_read_alarm(struct rtc_device *rtc,
                         struct rtc_wkalrm *alrm);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d2112477ff5e..33cc42130371 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -304,19 +304,6 @@ static inline void lockup_detector_init(void)
 }
 #endif
 
-#ifdef CONFIG_DETECT_HUNG_TASK
-extern unsigned int  sysctl_hung_task_panic;
-extern unsigned long sysctl_hung_task_check_count;
-extern unsigned long sysctl_hung_task_timeout_secs;
-extern unsigned long sysctl_hung_task_warnings;
-extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write,
-                                         void __user *buffer,
-                                         size_t *lenp, loff_t *ppos);
-#else
-/* Avoid need for ifdefs elsewhere in the code */
-enum { sysctl_hung_task_timeout_secs = 0 };
-#endif
-
 /* Attach to any functions which should be ignored in wchan output. */
 #define __sched         __attribute__((__section__(".sched.text")))
 
@@ -338,23 +325,6 @@ extern int mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner);
 struct nsproxy;
 struct user_namespace;
 
-/*
- * Default maximum number of active map areas, this limits the number of vmas
- * per mm struct. Users can overwrite this number by sysctl but there is a
- * problem.
- *
- * When a program's coredump is generated as ELF format, a section is created
- * per a vma. In ELF, the number of sections is represented in unsigned short.
- * This means the number of sections should be smaller than 65535 at coredump.
- * Because the kernel adds some informative sections to a image of program at
- * generating coredump, we need some margin. The number of extra sections is
- * 1-3 now and depends on arch. We use "5" as safe margin, here.
- */
-#define MAPCOUNT_ELF_CORE_MARGIN        (5)
-#define DEFAULT_MAX_MAP_COUNT   (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
-
-extern int sysctl_max_map_count;
-
 #include <linux/aio.h>
 
 #ifdef CONFIG_MMU
@@ -1194,6 +1164,7 @@ struct sched_entity {
         /* rq "owned" by this entity/group: */
         struct cfs_rq           *my_q;
 #endif
+
 /*
  * Load-tracking only depends on SMP, FAIR_GROUP_SCHED dependency below may be
  * removed when useful for applications beyond shares distribution (e.g.
@@ -1208,6 +1179,7 @@ struct sched_entity {
 struct sched_rt_entity {
         struct list_head run_list;
         unsigned long timeout;
+        unsigned long watchdog_stamp;
         unsigned int time_slice;
 
         struct sched_rt_entity *back;
@@ -1220,11 +1192,6 @@ struct sched_rt_entity {
 #endif
 };
 
-/*
- * default timeslice is 100 msecs (used only for SCHED_RR tasks).
- * Timeslices get refilled after they expire.
- */
-#define RR_TIMESLICE            (100 * HZ / 1000)
 
 struct rcu_node;
 
@@ -1368,6 +1335,15 @@ struct task_struct {
 #ifndef CONFIG_VIRT_CPU_ACCOUNTING
         struct cputime prev_cputime;
 #endif
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+        seqlock_t vtime_seqlock;
+        unsigned long long vtime_snap;
+        enum {
+                VTIME_SLEEPING = 0,
+                VTIME_USER,
+                VTIME_SYS,
+        } vtime_snap_whence;
+#endif
         unsigned long nvcsw, nivcsw; /* context switch counts */
         struct timespec start_time;             /* monotonic time */
         struct timespec real_start_time;        /* boot based time */
@@ -1622,37 +1598,6 @@ static inline void set_numabalancing_state(bool enabled)
 }
 #endif
 
-/*
- * Priority of a process goes from 0..MAX_PRIO-1, valid RT
- * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
- * tasks are in the range MAX_RT_PRIO..MAX_PRIO-1. Priority
- * values are inverted: lower p->prio value means higher priority.
- *
- * The MAX_USER_RT_PRIO value allows the actual maximum
- * RT priority to be separate from the value exported to
- * user-space.  This allows kernel threads to set their
- * priority to a value higher than any user task. Note:
- * MAX_RT_PRIO must not be smaller than MAX_USER_RT_PRIO.
- */
-
-#define MAX_USER_RT_PRIO        100
-#define MAX_RT_PRIO             MAX_USER_RT_PRIO
-
-#define MAX_PRIO                (MAX_RT_PRIO + 40)
-#define DEFAULT_PRIO            (MAX_RT_PRIO + 20)
-
-static inline int rt_prio(int prio)
-{
-        if (unlikely(prio < MAX_RT_PRIO))
-                return 1;
-        return 0;
-}
-
-static inline int rt_task(struct task_struct *p)
-{
-        return rt_prio(p->prio);
-}
-
 static inline struct pid *task_pid(struct task_struct *task)
 {
         return task->pids[PIDTYPE_PID].pid;
@@ -1792,6 +1737,37 @@ static inline void put_task_struct(struct task_struct *t)
                 __put_task_struct(t);
 }
 
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+extern void task_cputime(struct task_struct *t,
+                         cputime_t *utime, cputime_t *stime);
+extern void task_cputime_scaled(struct task_struct *t,
+                                cputime_t *utimescaled, cputime_t *stimescaled);
+extern cputime_t task_gtime(struct task_struct *t);
+#else
+static inline void task_cputime(struct task_struct *t,
+                                cputime_t *utime, cputime_t *stime)
+{
+        if (utime)
+                *utime = t->utime;
+        if (stime)
+                *stime = t->stime;
+}
+
+static inline void task_cputime_scaled(struct task_struct *t,
+                                       cputime_t *utimescaled,
+                                       cputime_t *stimescaled)
+{
+        if (utimescaled)
+                *utimescaled = t->utimescaled;
+        if (stimescaled)
+                *stimescaled = t->stimescaled;
+}
+
+static inline cputime_t task_gtime(struct task_struct *t)
+{
+        return t->gtime;
+}
+#endif
 extern void task_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st);
 extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st);
 
@@ -2033,58 +2009,7 @@ extern void wake_up_idle_cpu(int cpu);
 static inline void wake_up_idle_cpu(int cpu) { }
 #endif
 
-extern unsigned int sysctl_sched_latency;
-extern unsigned int sysctl_sched_min_granularity;
-extern unsigned int sysctl_sched_wakeup_granularity;
-extern unsigned int sysctl_sched_child_runs_first;
-
-enum sched_tunable_scaling {
-        SCHED_TUNABLESCALING_NONE,
-        SCHED_TUNABLESCALING_LOG,
-        SCHED_TUNABLESCALING_LINEAR,
-        SCHED_TUNABLESCALING_END,
-};
-extern enum sched_tunable_scaling sysctl_sched_tunable_scaling;
-
-extern unsigned int sysctl_numa_balancing_scan_delay;
-extern unsigned int sysctl_numa_balancing_scan_period_min;
-extern unsigned int sysctl_numa_balancing_scan_period_max;
-extern unsigned int sysctl_numa_balancing_scan_period_reset;
-extern unsigned int sysctl_numa_balancing_scan_size;
-extern unsigned int sysctl_numa_balancing_settle_count;
-
-#ifdef CONFIG_SCHED_DEBUG
-extern unsigned int sysctl_sched_migration_cost;
-extern unsigned int sysctl_sched_nr_migrate;
-extern unsigned int sysctl_sched_time_avg;
-extern unsigned int sysctl_timer_migration;
-extern unsigned int sysctl_sched_shares_window;
-
-int sched_proc_update_handler(struct ctl_table *table, int write,
-                void __user *buffer, size_t *length,
-                loff_t *ppos);
-#endif
-#ifdef CONFIG_SCHED_DEBUG
-static inline unsigned int get_sysctl_timer_migration(void)
-{
-        return sysctl_timer_migration;
-}
-#else
-static inline unsigned int get_sysctl_timer_migration(void)
-{
-        return 1;
-}
-#endif
-extern unsigned int sysctl_sched_rt_period;
-extern int sysctl_sched_rt_runtime;
-
-int sched_rt_handler(struct ctl_table *table, int write,
-                void __user *buffer, size_t *lenp,
-                loff_t *ppos);
-
 #ifdef CONFIG_SCHED_AUTOGROUP
-extern unsigned int sysctl_sched_autogroup_enabled;
-
 extern void sched_autogroup_create_attach(struct task_struct *p);
 extern void sched_autogroup_detach(struct task_struct *p);
 extern void sched_autogroup_fork(struct signal_struct *sig);
@@ -2100,30 +2025,6 @@ static inline void sched_autogroup_fork(struct signal_struct *sig) { }
 static inline void sched_autogroup_exit(struct signal_struct *sig) { }
 #endif
 
-#ifdef CONFIG_CFS_BANDWIDTH
-extern unsigned int sysctl_sched_cfs_bandwidth_slice;
-#endif
-
-#ifdef CONFIG_RT_MUTEXES
-extern int rt_mutex_getprio(struct task_struct *p);
-extern void rt_mutex_setprio(struct task_struct *p, int prio);
-extern void rt_mutex_adjust_pi(struct task_struct *p);
-static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
-{
-        return tsk->pi_blocked_on != NULL;
-}
-#else
-static inline int rt_mutex_getprio(struct task_struct *p)
-{
-        return p->normal_prio;
-}
-# define rt_mutex_adjust_pi(p)          do { } while (0)
-static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
-{
-        return false;
-}
-#endif
-
 extern bool yield_to(struct task_struct *p, bool preempt);
 extern void set_user_nice(struct task_struct *p, long nice);
 extern int task_prio(const struct task_struct *p);
@@ -2753,8 +2654,6 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
 extern long sched_setaffinity(pid_t pid, const struct cpumask *new_mask);
 extern long sched_getaffinity(pid_t pid, struct cpumask *mask);
 
-extern void normalize_rt_tasks(void);
-
 #ifdef CONFIG_CGROUP_SCHED
 
 extern struct task_group root_task_group;
diff --git a/include/linux/sched/rt.h b/include/linux/sched/rt.h
new file mode 100644
index 000000000000..94e19ea28fc3
--- /dev/null
+++ b/include/linux/sched/rt.h
@@ -0,0 +1,58 @@
+#ifndef _SCHED_RT_H
+#define _SCHED_RT_H
+
+/*
+ * Priority of a process goes from 0..MAX_PRIO-1, valid RT
+ * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
+ * tasks are in the range MAX_RT_PRIO..MAX_PRIO-1. Priority
+ * values are inverted: lower p->prio value means higher priority.
+ *
+ * The MAX_USER_RT_PRIO value allows the actual maximum
+ * RT priority to be separate from the value exported to
+ * user-space.  This allows kernel threads to set their
+ * priority to a value higher than any user task. Note:
+ * MAX_RT_PRIO must not be smaller than MAX_USER_RT_PRIO.
+ */
+
+#define MAX_USER_RT_PRIO        100
+#define MAX_RT_PRIO             MAX_USER_RT_PRIO
+
+#define MAX_PRIO                (MAX_RT_PRIO + 40)
+#define DEFAULT_PRIO            (MAX_RT_PRIO + 20)
+
+static inline int rt_prio(int prio)
+{
+        if (unlikely(prio < MAX_RT_PRIO))
+                return 1;
+        return 0;
+}
+
+static inline int rt_task(struct task_struct *p)
+{
+        return rt_prio(p->prio);
+}
+
+#ifdef CONFIG_RT_MUTEXES
+extern int rt_mutex_getprio(struct task_struct *p);
+extern void rt_mutex_setprio(struct task_struct *p, int prio);
+extern void rt_mutex_adjust_pi(struct task_struct *p);
+static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
+{
+        return tsk->pi_blocked_on != NULL;
+}
+#else
+static inline int rt_mutex_getprio(struct task_struct *p)
+{
+        return p->normal_prio;
+}
+# define rt_mutex_adjust_pi(p)          do { } while (0)
+static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
+{
+        return false;
+}
+#endif
+
+extern void normalize_rt_tasks(void);
+
+
+#endif /* _SCHED_RT_H */
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
new file mode 100644
index 000000000000..d2bb0ae979d0
--- /dev/null
+++ b/include/linux/sched/sysctl.h
@@ -0,0 +1,110 @@
+#ifndef _SCHED_SYSCTL_H
+#define _SCHED_SYSCTL_H
+
+#ifdef CONFIG_DETECT_HUNG_TASK
+extern unsigned int  sysctl_hung_task_panic;
+extern unsigned long sysctl_hung_task_check_count;
+extern unsigned long sysctl_hung_task_timeout_secs;
+extern unsigned long sysctl_hung_task_warnings;
+extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write,
+                                         void __user *buffer,
+                                         size_t *lenp, loff_t *ppos);
+#else
+/* Avoid need for ifdefs elsewhere in the code */
+enum { sysctl_hung_task_timeout_secs = 0 };
+#endif
+
+/*
+ * Default maximum number of active map areas, this limits the number of vmas
+ * per mm struct. Users can overwrite this number by sysctl but there is a
+ * problem.
+ *
+ * When a program's coredump is generated as ELF format, a section is created
+ * per a vma. In ELF, the number of sections is represented in unsigned short.
+ * This means the number of sections should be smaller than 65535 at coredump.
+ * Because the kernel adds some informative sections to a image of program at
+ * generating coredump, we need some margin. The number of extra sections is
+ * 1-3 now and depends on arch. We use "5" as safe margin, here.
+ */
+#define MAPCOUNT_ELF_CORE_MARGIN        (5)
+#define DEFAULT_MAX_MAP_COUNT   (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN)
+
+extern int sysctl_max_map_count;
+
+extern unsigned int sysctl_sched_latency;
+extern unsigned int sysctl_sched_min_granularity;
+extern unsigned int sysctl_sched_wakeup_granularity;
+extern unsigned int sysctl_sched_child_runs_first;
+
+enum sched_tunable_scaling {
+        SCHED_TUNABLESCALING_NONE,
+        SCHED_TUNABLESCALING_LOG,
+        SCHED_TUNABLESCALING_LINEAR,
+        SCHED_TUNABLESCALING_END,
+};
+extern enum sched_tunable_scaling sysctl_sched_tunable_scaling;
+
+extern unsigned int sysctl_numa_balancing_scan_delay;
+extern unsigned int sysctl_numa_balancing_scan_period_min;
+extern unsigned int sysctl_numa_balancing_scan_period_max;
+extern unsigned int sysctl_numa_balancing_scan_period_reset;
+extern unsigned int sysctl_numa_balancing_scan_size;
+extern unsigned int sysctl_numa_balancing_settle_count;
+
+#ifdef CONFIG_SCHED_DEBUG
+extern unsigned int sysctl_sched_migration_cost;
+extern unsigned int sysctl_sched_nr_migrate;
+extern unsigned int sysctl_sched_time_avg;
+extern unsigned int sysctl_timer_migration;
+extern unsigned int sysctl_sched_shares_window;
+
+int sched_proc_update_handler(struct ctl_table *table, int write,
+                void __user *buffer, size_t *length,
+                loff_t *ppos);
+#endif
+#ifdef CONFIG_SCHED_DEBUG
+static inline unsigned int get_sysctl_timer_migration(void)
+{
+        return sysctl_timer_migration;
+}
+#else
+static inline unsigned int get_sysctl_timer_migration(void)
+{
+        return 1;
+}
+#endif
+
+/*
+ *  control realtime throttling:
+ *
+ *  /proc/sys/kernel/sched_rt_period_us
+ *  /proc/sys/kernel/sched_rt_runtime_us
+ */
+extern unsigned int sysctl_sched_rt_period;
+extern int sysctl_sched_rt_runtime;
+
+#ifdef CONFIG_CFS_BANDWIDTH
+extern unsigned int sysctl_sched_cfs_bandwidth_slice;
+#endif
+
+#ifdef CONFIG_SCHED_AUTOGROUP
+extern unsigned int sysctl_sched_autogroup_enabled;
+#endif
+
+/*
+ * default timeslice is 100 msecs (used only for SCHED_RR tasks).
+ * Timeslices get refilled after they expire.
+ */
+#define RR_TIMESLICE            (100 * HZ / 1000)
+
+extern int sched_rr_timeslice;
+
+extern int sched_rr_handler(struct ctl_table *table, int write,
+                void __user *buffer, size_t *lenp,
+                loff_t *ppos);
+
+extern int sched_rt_handler(struct ctl_table *table, int write,
+                void __user *buffer, size_t *lenp,
+                loff_t *ppos);
+
+#endif /* _SCHED_SYSCTL_H */
diff --git a/include/linux/security.h b/include/linux/security.h
index 0f6afc657f77..eee7478cda70 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -989,17 +989,29 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      tells the LSM to decrement the number of secmark labeling rules loaded
  * @req_classify_flow:
  *      Sets the flow's sid to the openreq sid.
+ * @tun_dev_alloc_security:
+ *      This hook allows a module to allocate a security structure for a TUN
+ *      device.
+ *      @security pointer to a security structure pointer.
+ *      Returns a zero on success, negative values on failure.
+ * @tun_dev_free_security:
+ *      This hook allows a module to free the security structure for a TUN
+ *      device.
+ *      @security pointer to the TUN device's security structure
  * @tun_dev_create:
  *      Check permissions prior to creating a new TUN device.
- * @tun_dev_post_create:
- *      This hook allows a module to update or allocate a per-socket security
- *      structure.
- *      @sk contains the newly created sock structure.
+ * @tun_dev_attach_queue:
+ *      Check permissions prior to attaching to a TUN device queue.
+ *      @security pointer to the TUN device's security structure.
  * @tun_dev_attach:
- *      Check permissions prior to attaching to a persistent TUN device.  This
- *      hook can also be used by the module to update any security state
+ *      This hook can be used by the module to update any security state
  *      associated with the TUN device's sock structure.
  *      @sk contains the existing sock structure.
+ *      @security pointer to the TUN device's security structure.
+ * @tun_dev_open:
+ *      This hook can be used by the module to update any security state
+ *      associated with the TUN device's security structure.
+ *      @security pointer to the TUN devices's security structure.
  *
  * Security hooks for XFRM operations.
  *
@@ -1620,9 +1632,12 @@ struct security_operations {
         void (*secmark_refcount_inc) (void);
         void (*secmark_refcount_dec) (void);
         void (*req_classify_flow) (const struct request_sock *req, struct flowi *fl);
-        int (*tun_dev_create)(void);
-        void (*tun_dev_post_create)(struct sock *sk);
-        int (*tun_dev_attach)(struct sock *sk);
+        int (*tun_dev_alloc_security) (void **security);
+        void (*tun_dev_free_security) (void *security);
+        int (*tun_dev_create) (void);
+        int (*tun_dev_attach_queue) (void *security);
+        int (*tun_dev_attach) (struct sock *sk, void *security);
+        int (*tun_dev_open) (void *security);
 #endif  /* CONFIG_SECURITY_NETWORK */
 
 #ifdef CONFIG_SECURITY_NETWORK_XFRM
@@ -2566,9 +2581,12 @@ void security_inet_conn_established(struct sock *sk,
 int security_secmark_relabel_packet(u32 secid);
 void security_secmark_refcount_inc(void);
 void security_secmark_refcount_dec(void);
+int security_tun_dev_alloc_security(void **security);
+void security_tun_dev_free_security(void *security);
 int security_tun_dev_create(void);
-void security_tun_dev_post_create(struct sock *sk);
-int security_tun_dev_attach(struct sock *sk);
+int security_tun_dev_attach_queue(void *security);
+int security_tun_dev_attach(struct sock *sk, void *security);
+int security_tun_dev_open(void *security);
 
 #else   /* CONFIG_SECURITY_NETWORK */
 static inline int security_unix_stream_connect(struct sock *sock,
@@ -2733,16 +2751,31 @@ static inline void security_secmark_refcount_dec(void)
 {
 }
 
+static inline int security_tun_dev_alloc_security(void **security)
+{
+        return 0;
+}
+
+static inline void security_tun_dev_free_security(void *security)
+{
+}
+
 static inline int security_tun_dev_create(void)
 {
         return 0;
 }
 
-static inline void security_tun_dev_post_create(struct sock *sk)
+static inline int security_tun_dev_attach_queue(void *security)
+{
+        return 0;
+}
+
+static inline int security_tun_dev_attach(struct sock *sk, void *security)
 {
+        return 0;
 }
 
-static inline int security_tun_dev_attach(struct sock *sk)
+static inline int security_tun_dev_open(void *security)
 {
         return 0;
 }
diff --git a/include/linux/smpboot.h b/include/linux/smpboot.h
index e0106d8581d3..c65dee059913 100644
--- a/include/linux/smpboot.h
+++ b/include/linux/smpboot.h
@@ -14,6 +14,8 @@ struct smpboot_thread_data;
  * @thread_should_run:  Check whether the thread should run or not. Called with
  *                      preemption disabled.
  * @thread_fn:          The associated thread function
+ * @create:             Optional setup function, called when the thread gets
+ *                      created (Not called from the thread context)
  * @setup:              Optional setup function, called when the thread gets
  *                      operational the first time
  * @cleanup:            Optional cleanup function, called when the thread
@@ -22,6 +24,7 @@ struct smpboot_thread_data;
  *                      parked (cpu offline)
  * @unpark:             Optional unpark function, called when the thread is
  *                      unparked (cpu online)
+ * @selfparking:        Thread is not parked by the park function.
  * @thread_comm:        The base name of the thread
  */
 struct smp_hotplug_thread {
@@ -29,10 +32,12 @@ struct smp_hotplug_thread {
         struct list_head                list;
         int                             (*thread_should_run)(unsigned int cpu);
         void                            (*thread_fn)(unsigned int cpu);
+        void                            (*create)(unsigned int cpu);
         void                            (*setup)(unsigned int cpu);
         void                            (*cleanup)(unsigned int cpu, bool online);
         void                            (*park)(unsigned int cpu);
         void                            (*unpark)(unsigned int cpu);
+        bool                            selfparking;
         const char                      *thread_comm;
 };
 
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 6eb691b08358..04f4121a23ae 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -151,30 +151,14 @@ void srcu_barrier(struct srcu_struct *sp);
  * Checks debug_lockdep_rcu_enabled() to prevent false positives during boot
  * and while lockdep is disabled.
  *
- * Note that if the CPU is in the idle loop from an RCU point of view
- * (ie: that we are in the section between rcu_idle_enter() and
- * rcu_idle_exit()) then srcu_read_lock_held() returns false even if
- * the CPU did an srcu_read_lock().  The reason for this is that RCU
- * ignores CPUs that are in such a section, considering these as in
- * extended quiescent state, so such a CPU is effectively never in an
- * RCU read-side critical section regardless of what RCU primitives it
- * invokes.  This state of affairs is required --- we need to keep an
- * RCU-free window in idle where the CPU may possibly enter into low
- * power mode. This way we can notice an extended quiescent state to
- * other CPUs that started a grace period. Otherwise we would delay any
- * grace period as long as we run in the idle task.
- *
- * Similarly, we avoid claiming an SRCU read lock held if the current
- * CPU is offline.
+ * Note that SRCU is based on its own statemachine and it doesn't
+ * relies on normal RCU, it can be called from the CPU which
+ * is in the idle loop from an RCU point of view or offline.
  */
 static inline int srcu_read_lock_held(struct srcu_struct *sp)
 {
         if (!debug_lockdep_rcu_enabled())
                 return 1;
-        if (rcu_is_cpu_idle())
-                return 0;
-        if (!rcu_lockdep_current_cpu_online())
-                return 0;
         return lock_is_held(&sp->dep_map);
 }
 
@@ -236,8 +220,6 @@ static inline int srcu_read_lock(struct srcu_struct *sp) __acquires(sp)
         int retval = __srcu_read_lock(sp);
 
         rcu_lock_acquire(&(sp)->dep_map);
-        rcu_lockdep_assert(!rcu_is_cpu_idle(),
-                           "srcu_read_lock() used illegally while idle");
         return retval;
 }
 
@@ -251,8 +233,6 @@ static inline int srcu_read_lock(struct srcu_struct *sp) __acquires(sp)
 static inline void srcu_read_unlock(struct srcu_struct *sp, int idx)
         __releases(sp)
 {
-        rcu_lockdep_assert(!rcu_is_cpu_idle(),
-                           "srcu_read_unlock() used illegally while idle");
         rcu_lock_release(&(sp)->dep_map);
         __srcu_read_unlock(sp, idx);
 }
diff --git a/include/linux/tick.h b/include/linux/tick.h
index 1a6567b48492..553272e6af55 100644
--- a/include/linux/tick.h
+++ b/include/linux/tick.h
@@ -8,6 +8,8 @@
 
 #include <linux/clockchips.h>
 #include <linux/irqflags.h>
+#include <linux/percpu.h>
+#include <linux/hrtimer.h>
 
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
 
@@ -122,13 +124,26 @@ static inline int tick_oneshot_mode_active(void) { return 0; }
 #endif /* !CONFIG_GENERIC_CLOCKEVENTS */
 
 # ifdef CONFIG_NO_HZ
+DECLARE_PER_CPU(struct tick_sched, tick_cpu_sched);
+
+static inline int tick_nohz_tick_stopped(void)
+{
+        return __this_cpu_read(tick_cpu_sched.tick_stopped);
+}
+
 extern void tick_nohz_idle_enter(void);
 extern void tick_nohz_idle_exit(void);
 extern void tick_nohz_irq_exit(void);
 extern ktime_t tick_nohz_get_sleep_length(void);
 extern u64 get_cpu_idle_time_us(int cpu, u64 *last_update_time);
 extern u64 get_cpu_iowait_time_us(int cpu, u64 *last_update_time);
-# else
+
+# else /* !CONFIG_NO_HZ */
+static inline int tick_nohz_tick_stopped(void)
+{
+        return 0;
+}
+
 static inline void tick_nohz_idle_enter(void) { }
 static inline void tick_nohz_idle_exit(void) { }
 
diff --git a/include/linux/time.h b/include/linux/time.h
index 4d358e9d10f1..a3ab6a814a9c 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -115,8 +115,20 @@ static inline bool timespec_valid_strict(const struct timespec *ts)
         return true;
 }
 
+extern bool persistent_clock_exist;
+
+#ifdef ALWAYS_USE_PERSISTENT_CLOCK
+#define has_persistent_clock()  true
+#else
+static inline bool has_persistent_clock(void)
+{
+        return persistent_clock_exist;
+}
+#endif
+
 extern void read_persistent_clock(struct timespec *ts);
 extern void read_boot_clock(struct timespec *ts);
+extern int persistent_clock_is_local;
 extern int update_persistent_clock(struct timespec now);
 void timekeeping_init(void);
 extern int timekeeping_suspended;
@@ -158,6 +170,7 @@ extern int do_setitimer(int which, struct itimerval *value,
                         struct itimerval *ovalue);
 extern unsigned int alarm_setitimer(unsigned int seconds);
 extern int do_getitimer(int which, struct itimerval *value);
+extern int __getnstimeofday(struct timespec *tv);
 extern void getnstimeofday(struct timespec *tv);
 extern void getrawmonotonic(struct timespec *ts);
 extern void getnstime_raw_and_real(struct timespec *ts_raw,
diff --git a/include/linux/tsacct_kern.h b/include/linux/tsacct_kern.h
index 44893e5ec8f7..3251965bf4cc 100644
--- a/include/linux/tsacct_kern.h
+++ b/include/linux/tsacct_kern.h
@@ -23,12 +23,15 @@ static inline void bacct_add_tsk(struct user_namespace *user_ns,
 #ifdef CONFIG_TASK_XACCT
 extern void xacct_add_tsk(struct taskstats *stats, struct task_struct *p);
 extern void acct_update_integrals(struct task_struct *tsk);
+extern void acct_account_cputime(struct task_struct *tsk);
 extern void acct_clear_integrals(struct task_struct *tsk);
 #else
 static inline void xacct_add_tsk(struct taskstats *stats, struct task_struct *p)
 {}
 static inline void acct_update_integrals(struct task_struct *tsk)
 {}
+static inline void acct_account_cputime(struct task_struct *tsk)
+{}
 static inline void acct_clear_integrals(struct task_struct *tsk)
 {}
 #endif /* CONFIG_TASK_XACCT */
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 4f628a6fc5b4..02b83db8e2c5 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -35,13 +35,20 @@ struct inode;
 # include <asm/uprobes.h>
 #endif
 
+#define UPROBE_HANDLER_REMOVE           1
+#define UPROBE_HANDLER_MASK             1
+
+enum uprobe_filter_ctx {
+        UPROBE_FILTER_REGISTER,
+        UPROBE_FILTER_UNREGISTER,
+        UPROBE_FILTER_MMAP,
+};
+
 struct uprobe_consumer {
         int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs);
-        /*
-         * filter is optional; If a filter exists, handler is run
-         * if and only if filter returns true.
-         */
-        bool (*filter)(struct uprobe_consumer *self, struct task_struct *task);
+        bool (*filter)(struct uprobe_consumer *self,
+                                enum uprobe_filter_ctx ctx,
+                                struct mm_struct *mm);
 
         struct uprobe_consumer *next;
 };
@@ -94,6 +101,7 @@ extern int __weak set_swbp(struct arch_uprobe *aup, struct mm_struct *mm, unsign
 extern int __weak set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr);
 extern bool __weak is_swbp_insn(uprobe_opcode_t *insn);
 extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
+extern int uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool);
 extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
 extern int uprobe_mmap(struct vm_area_struct *vma);
 extern void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned long end);
@@ -117,6 +125,11 @@ uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
 {
         return -ENOSYS;
 }
+static inline int
+uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool add)
+{
+        return -ENOSYS;
+}
 static inline void
 uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
 {
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 689b14b26c8d..4d22d0f6167a 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -357,6 +357,8 @@ struct usb_bus {
         int bandwidth_int_reqs;         /* number of Interrupt requests */
         int bandwidth_isoc_reqs;        /* number of Isoc. requests */
 
+        unsigned resuming_ports;        /* bit array: resuming root-hub ports */
+
 #if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE)
         struct mon_bus *mon_bus;        /* non-null when associated */
         int monitored;                  /* non-zero when monitored */
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 608050b2545f..0a78df5f6cfd 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -430,6 +430,9 @@ extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd);
 extern void usb_wakeup_notification(struct usb_device *hdev,
                 unsigned int portnum);
 
+extern void usb_hcd_start_port_resume(struct usb_bus *bus, int portnum);
+extern void usb_hcd_end_port_resume(struct usb_bus *bus, int portnum);
+
 /* The D0/D1 toggle bits ... USE WITH CAUTION (they're almost hcd-internal) */
 #define usb_gettoggle(dev, ep, out) (((dev)->toggle[out] >> (ep)) & 1)
 #define usb_dotoggle(dev, ep, out)  ((dev)->toggle[out] ^= (1 << (ep)))
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index bd45eb7bedc8..0e5ac93bab10 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -33,6 +33,7 @@ struct usbnet {
         wait_queue_head_t       *wait;
         struct mutex            phy_mutex;
         unsigned char           suspend_count;
+        unsigned char           pkt_cnt, pkt_err;
 
         /* i/o info: pipes etc */
         unsigned                in, out;
@@ -70,6 +71,7 @@ struct usbnet {
 #               define EVENT_DEV_OPEN   7
 #               define EVENT_DEVICE_REPORT_IDLE 8
 #               define EVENT_NO_RUNTIME_PM      9
+#               define EVENT_RX_KILL    10
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
@@ -107,6 +109,7 @@ struct driver_info {
  */
 #define FLAG_MULTI_PACKET       0x2000
 #define FLAG_RX_ASSEMBLE        0x4000  /* rx packets may span >1 frames */
+#define FLAG_NOARP              0x8000  /* device can't do ARP */
 
         /* init device ... can sleep, or cause probe() failure */
         int     (*bind)(struct usbnet *, struct usb_interface *);
diff --git a/include/linux/vtime.h b/include/linux/vtime.h
index ae30ab58431a..71a5782d8c59 100644
--- a/include/linux/vtime.h
+++ b/include/linux/vtime.h
@@ -6,15 +6,46 @@ struct task_struct;
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
 extern void vtime_task_switch(struct task_struct *prev);
 extern void vtime_account_system(struct task_struct *tsk);
-extern void vtime_account_system_irqsafe(struct task_struct *tsk);
 extern void vtime_account_idle(struct task_struct *tsk);
 extern void vtime_account_user(struct task_struct *tsk);
-extern void vtime_account(struct task_struct *tsk);
-#else
+extern void vtime_account_irq_enter(struct task_struct *tsk);
+
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+static inline bool vtime_accounting_enabled(void) { return true; }
+#endif
+
+#else /* !CONFIG_VIRT_CPU_ACCOUNTING */
+
 static inline void vtime_task_switch(struct task_struct *prev) { }
 static inline void vtime_account_system(struct task_struct *tsk) { }
-static inline void vtime_account_system_irqsafe(struct task_struct *tsk) { }
-static inline void vtime_account(struct task_struct *tsk) { }
+static inline void vtime_account_user(struct task_struct *tsk) { }
+static inline void vtime_account_irq_enter(struct task_struct *tsk) { }
+static inline bool vtime_accounting_enabled(void) { return false; }
+#endif
+
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
+extern void arch_vtime_task_switch(struct task_struct *tsk);
+extern void vtime_account_irq_exit(struct task_struct *tsk);
+extern bool vtime_accounting_enabled(void);
+extern void vtime_user_enter(struct task_struct *tsk);
+static inline void vtime_user_exit(struct task_struct *tsk)
+{
+        vtime_account_user(tsk);
+}
+extern void vtime_guest_enter(struct task_struct *tsk);
+extern void vtime_guest_exit(struct task_struct *tsk);
+extern void vtime_init_idle(struct task_struct *tsk);
+#else
+static inline void vtime_account_irq_exit(struct task_struct *tsk)
+{
+        /* On hard|softirq exit we always account to hard|softirq cputime */
+        vtime_account_system(tsk);
+}
+static inline void vtime_user_enter(struct task_struct *tsk) { }
+static inline void vtime_user_exit(struct task_struct *tsk) { }
+static inline void vtime_guest_enter(struct task_struct *tsk) { }
+static inline void vtime_guest_exit(struct task_struct *tsk) { }
+static inline void vtime_init_idle(struct task_struct *tsk) { }
 #endif
 
 #ifdef CONFIG_IRQ_TIME_ACCOUNTING
@@ -23,25 +54,15 @@ extern void irqtime_account_irq(struct task_struct *tsk);
 static inline void irqtime_account_irq(struct task_struct *tsk) { }
 #endif
 
-static inline void vtime_account_irq_enter(struct task_struct *tsk)
+static inline void account_irq_enter_time(struct task_struct *tsk)
 {
-        /*
-         * Hardirq can interrupt idle task anytime. So we need vtime_account()
-         * that performs the idle check in CONFIG_VIRT_CPU_ACCOUNTING.
-         * Softirq can also interrupt idle task directly if it calls
-         * local_bh_enable(). Such case probably don't exist but we never know.
-         * Ksoftirqd is not concerned because idle time is flushed on context
-         * switch. Softirqs in the end of hardirqs are also not a problem because
-         * the idle time is flushed on hardirq time already.
-         */
-        vtime_account(tsk);
+        vtime_account_irq_enter(tsk);
         irqtime_account_irq(tsk);
 }
 
-static inline void vtime_account_irq_exit(struct task_struct *tsk)
+static inline void account_irq_exit_time(struct task_struct *tsk)
 {
-        /* On hard|softirq exit we always account to hard|softirq cputime */
-        vtime_account_system(tsk);
+        vtime_account_irq_exit(tsk);
         irqtime_account_irq(tsk);
 }
 
diff --git a/include/net/ip.h b/include/net/ip.h
index 0707fb9551aa..a68f838a132c 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -143,6 +143,8 @@ static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4)
 extern int              ip4_datagram_connect(struct sock *sk, 
                                              struct sockaddr *uaddr, int addr_len);
 
+extern void ip4_datagram_release_cb(struct sock *sk);
+
 struct ip_reply_arg {
         struct kvec iov[1];   
         int         flags;
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index d8f5b9f52169..e98aeb3da033 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -31,6 +31,8 @@ extern void nf_conntrack_cleanup(struct net *net);
 extern int nf_conntrack_proto_init(struct net *net);
 extern void nf_conntrack_proto_fini(struct net *net);
 
+extern void nf_conntrack_cleanup_end(void);
+
 extern bool
 nf_ct_get_tuple(const struct sk_buff *skb,
                 unsigned int nhoff,
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 498433dd067d..938b7fd11204 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -34,17 +34,17 @@ extern int				udpv6_connect(struct sock *sk,
                                                       struct sockaddr *uaddr,
                                                       int addr_len);
 
-extern int                      datagram_recv_ctl(struct sock *sk,
-                                                  struct msghdr *msg,
-                                                  struct sk_buff *skb);
-
-extern int                      datagram_send_ctl(struct net *net,
-                                                  struct sock *sk,
-                                                  struct msghdr *msg,
-                                                  struct flowi6 *fl6,
-                                                  struct ipv6_txoptions *opt,
-                                                  int *hlimit, int *tclass,
-                                                  int *dontfrag);
+extern int                      ip6_datagram_recv_ctl(struct sock *sk,
+                                                      struct msghdr *msg,
+                                                      struct sk_buff *skb);
+
+extern int                      ip6_datagram_send_ctl(struct net *net,
+                                                      struct sock *sk,
+                                                      struct msghdr *msg,
+                                                      struct flowi6 *fl6,
+                                                      struct ipv6_txoptions *opt,
+                                                      int *hlimit, int *tclass,
+                                                      int *dontfrag);
 
 #define         LOOPBACK4_IPV6          cpu_to_be32(0x7f000006)
 
diff --git a/include/trace/events/ras.h b/include/trace/events/ras.h
new file mode 100644
index 000000000000..88b878383797
--- /dev/null
+++ b/include/trace/events/ras.h
@@ -0,0 +1,77 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM ras
+
+#if !defined(_TRACE_AER_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_AER_H
+
+#include <linux/tracepoint.h>
+#include <linux/edac.h>
+
+
+/*
+ * PCIe AER Trace event
+ *
+ * These events are generated when hardware detects a corrected or
+ * uncorrected event on a PCIe device. The event report has
+ * the following structure:
+ *
+ * char * dev_name -    The name of the slot where the device resides
+ *                      ([domain:]bus:device.function).
+ * u32 status -         Either the correctable or uncorrectable register
+ *                      indicating what error or errors have been seen
+ * u8 severity -        error severity 0:NONFATAL 1:FATAL 2:CORRECTED
+ */
+
+#define aer_correctable_errors          \
+        {BIT(0),        "Receiver Error"},              \
+        {BIT(6),        "Bad TLP"},                     \
+        {BIT(7),        "Bad DLLP"},                    \
+        {BIT(8),        "RELAY_NUM Rollover"},          \
+        {BIT(12),       "Replay Timer Timeout"},        \
+        {BIT(13),       "Advisory Non-Fatal"}
+
+#define aer_uncorrectable_errors                \
+        {BIT(4),        "Data Link Protocol"},          \
+        {BIT(12),       "Poisoned TLP"},                \
+        {BIT(13),       "Flow Control Protocol"},       \
+        {BIT(14),       "Completion Timeout"},          \
+        {BIT(15),       "Completer Abort"},             \
+        {BIT(16),       "Unexpected Completion"},       \
+        {BIT(17),       "Receiver Overflow"},           \
+        {BIT(18),       "Malformed TLP"},               \
+        {BIT(19),       "ECRC"},                        \
+        {BIT(20),       "Unsupported Request"}
+
+TRACE_EVENT(aer_event,
+        TP_PROTO(const char *dev_name,
+                 const u32 status,
+                 const u8 severity),
+
+        TP_ARGS(dev_name, status, severity),
+
+        TP_STRUCT__entry(
+                __string(       dev_name,       dev_name        )
+                __field(        u32,            status          )
+                __field(        u8,             severity        )
+        ),
+
+        TP_fast_assign(
+                __assign_str(dev_name, dev_name);
+                __entry->status         = status;
+                __entry->severity       = severity;
+        ),
+
+        TP_printk("%s PCIe Bus Error: severity=%s, %s\n",
+                __get_str(dev_name),
+                __entry->severity == HW_EVENT_ERR_CORRECTED ? "Corrected" :
+                        __entry->severity == HW_EVENT_ERR_FATAL ?
+                        "Fatal" : "Uncorrected",
+                __entry->severity == HW_EVENT_ERR_CORRECTED ?
+                __print_flags(__entry->status, "|", aer_correctable_errors) :
+                __print_flags(__entry->status, "|", aer_uncorrectable_errors))
+);
+
+#endif /* _TRACE_AER_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index d4f559b1ec34..1918e832da4f 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -44,8 +44,10 @@ TRACE_EVENT(rcu_utilization,
  * of a new grace period or the end of an old grace period ("cpustart"
  * and "cpuend", respectively), a CPU passing through a quiescent
  * state ("cpuqs"), a CPU coming online or going offline ("cpuonl"
- * and "cpuofl", respectively), and a CPU being kicked for being too
- * long in dyntick-idle mode ("kick").
+ * and "cpuofl", respectively), a CPU being kicked for being too
+ * long in dyntick-idle mode ("kick"), a CPU accelerating its new
+ * callbacks to RCU_NEXT_READY_TAIL ("AccReadyCB"), and a CPU
+ * accelerating its new callbacks to RCU_WAIT_TAIL ("AccWaitCB").
  */
 TRACE_EVENT(rcu_grace_period,
 
@@ -393,7 +395,7 @@ TRACE_EVENT(rcu_kfree_callback,
  */
 TRACE_EVENT(rcu_batch_start,
 
-        TP_PROTO(char *rcuname, long qlen_lazy, long qlen, int blimit),
+        TP_PROTO(char *rcuname, long qlen_lazy, long qlen, long blimit),
 
         TP_ARGS(rcuname, qlen_lazy, qlen, blimit),
 
@@ -401,7 +403,7 @@ TRACE_EVENT(rcu_batch_start,
                 __field(char *, rcuname)
                 __field(long, qlen_lazy)
                 __field(long, qlen)
-                __field(int, blimit)
+                __field(long, blimit)
         ),
 
         TP_fast_assign(
@@ -411,7 +413,7 @@ TRACE_EVENT(rcu_batch_start,
                 __entry->blimit = blimit;
         ),
 
-        TP_printk("%s CBs=%ld/%ld bl=%d",
+        TP_printk("%s CBs=%ld/%ld bl=%ld",
                   __entry->rcuname, __entry->qlen_lazy, __entry->qlen,
                   __entry->blimit)
 );
@@ -523,22 +525,30 @@ TRACE_EVENT(rcu_batch_end,
  */
 TRACE_EVENT(rcu_torture_read,
 
-        TP_PROTO(char *rcutorturename, struct rcu_head *rhp),
+        TP_PROTO(char *rcutorturename, struct rcu_head *rhp,
+                 unsigned long secs, unsigned long c_old, unsigned long c),
 
-        TP_ARGS(rcutorturename, rhp),
+        TP_ARGS(rcutorturename, rhp, secs, c_old, c),
 
         TP_STRUCT__entry(
                 __field(char *, rcutorturename)
                 __field(struct rcu_head *, rhp)
+                __field(unsigned long, secs)
+                __field(unsigned long, c_old)
+                __field(unsigned long, c)
         ),
 
         TP_fast_assign(
                 __entry->rcutorturename = rcutorturename;
                 __entry->rhp = rhp;
+                __entry->secs = secs;
+                __entry->c_old = c_old;
+                __entry->c = c;
         ),
 
-        TP_printk("%s torture read %p",
-                  __entry->rcutorturename, __entry->rhp)
+        TP_printk("%s torture read %p %luus c: %lu %lu",
+                  __entry->rcutorturename, __entry->rhp,
+                  __entry->secs, __entry->c_old, __entry->c)
 );
 
 /*
@@ -608,7 +618,8 @@ TRACE_EVENT(rcu_barrier,
 #define trace_rcu_invoke_kfree_callback(rcuname, rhp, offset) do { } while (0)
 #define trace_rcu_batch_end(rcuname, callbacks_invoked, cb, nr, iit, risk) \
         do { } while (0)
-#define trace_rcu_torture_read(rcutorturename, rhp) do { } while (0)
+#define trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \
+        do { } while (0)
 #define trace_rcu_barrier(name, s, cpu, cnt, done) do { } while (0)
 
 #endif /* #else #ifdef CONFIG_RCU_TRACE */
diff --git a/include/uapi/linux/auto_fs.h b/include/uapi/linux/auto_fs.h
index 77cdba9df274..bb991dfe134f 100644
--- a/include/uapi/linux/auto_fs.h
+++ b/include/uapi/linux/auto_fs.h
@@ -28,25 +28,16 @@
 #define AUTOFS_MIN_PROTO_VERSION        AUTOFS_PROTO_VERSION
 
 /*
- * Architectures where both 32- and 64-bit binaries can be executed
- * on 64-bit kernels need this.  This keeps the structure format
- * uniform, and makes sure the wait_queue_token isn't too big to be
- * passed back down to the kernel.
- *
- * This assumes that on these architectures:
- * mode     32 bit    64 bit
- * -------------------------
- * int      32 bit    32 bit
- * long     32 bit    64 bit
- *
- * If so, 32-bit user-space code should be backwards compatible.
+ * The wait_queue_token (autofs_wqt_t) is part of a structure which is passed
+ * back to the kernel via ioctl from userspace. On architectures where 32- and
+ * 64-bit userspace binaries can be executed it's important that the size of
+ * autofs_wqt_t stays constant between 32- and 64-bit Linux kernels so that we
+ * do not break the binary ABI interface by changing the structure size.
  */
-
-#if defined(__sparc__) || defined(__mips__) || defined(__x86_64__) \
- || defined(__powerpc__) || defined(__s390__)
-typedef unsigned int autofs_wqt_t;
-#else
+#if defined(__ia64__) || defined(__alpha__) /* pure 64bit architectures */
 typedef unsigned long autofs_wqt_t;
+#else
+typedef unsigned int autofs_wqt_t;
 #endif
 
 /* Packet types */
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 4f63c05d27c9..9fa9c622a7f4 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -579,7 +579,8 @@ enum perf_event_type {
          *      { u32                   size;
          *        char                  data[size];}&& PERF_SAMPLE_RAW
          *
-         *      { u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
+         *      { u64                   nr;
+         *        { u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
          *
          *      { u64                   abi; # enum perf_sample_regs_abi
          *        u64                   regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER
diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
index 50598472dc41..f738e25377ff 100644
--- a/include/uapi/linux/usb/ch9.h
+++ b/include/uapi/linux/usb/ch9.h
@@ -152,6 +152,12 @@
 #define USB_INTRF_FUNC_SUSPEND_LP       (1 << (8 + 0))
 #define USB_INTRF_FUNC_SUSPEND_RW       (1 << (8 + 1))
 
+/*
+ * Interface status, Figure 9-5 USB 3.0 spec
+ */
+#define USB_INTRF_STAT_FUNC_RW_CAP     1
+#define USB_INTRF_STAT_FUNC_RW         2
+
 #define USB_ENDPOINT_HALT               0       /* IN/OUT will STALL */
 
 /* Bit array elements as returned by the USB_REQ_GET_STATUS request. */