Merge branch 'linus' into x86/urgent

Pick up Linus's latest, to fix a bug.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

22 files changed, 163 insertions, 97 deletions

diff --git a/include/asm-generic/cputime_jiffies.h b/include/asm-generic/cputime_jiffies.h
index 272ecba9f588..d5cb78f53986 100644
--- a/include/asm-generic/cputime_jiffies.h
+++ b/include/asm-generic/cputime_jiffies.h
@@ -15,8 +15,10 @@ typedef u64 __nocast cputime64_t;
 
 
 /*
- * Convert nanoseconds to cputime
+ * Convert nanoseconds <-> cputime
  */
+#define cputime_to_nsecs(__ct)          \
+        jiffies_to_nsecs(cputime_to_jiffies(__ct))
 #define nsecs_to_cputime64(__nsec)      \
         jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
 #define nsecs_to_cputime(__nsec)        \
diff --git a/include/asm-generic/cputime_nsecs.h b/include/asm-generic/cputime_nsecs.h
index 2c9e62c2bfd0..4e817606c549 100644
--- a/include/asm-generic/cputime_nsecs.h
+++ b/include/asm-generic/cputime_nsecs.h
@@ -44,7 +44,10 @@ typedef u64 __nocast cputime64_t;
 /*
  * Convert cputime <-> nanoseconds
  */
-#define nsecs_to_cputime(__nsecs)       ((__force u64)(__nsecs))
+#define cputime_to_nsecs(__ct)          \
+        (__force u64)(__ct)
+#define nsecs_to_cputime(__nsecs)       \
+        (__force cputime_t)(__nsecs)
 
 
 /*
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 34c7bdc06014..1ec08c198b66 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -193,6 +193,19 @@ static inline int pte_same(pte_t pte_a, pte_t pte_b)
 }
 #endif
 
+#ifndef __HAVE_ARCH_PTE_UNUSED
+/*
+ * Some architectures provide facilities to virtualization guests
+ * so that they can flag allocated pages as unused. This allows the
+ * host to transparently reclaim unused pages. This function returns
+ * whether the pte's page is unused.
+ */
+static inline int pte_unused(pte_t pte)
+{
+        return 0;
+}
+#endif
+
 #ifndef __HAVE_ARCH_PMD_SAME
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
diff --git a/include/asm-generic/rwsem.h b/include/asm-generic/rwsem.h
index bb1e2cdeb9bf..d48bf5a95cc1 100644
--- a/include/asm-generic/rwsem.h
+++ b/include/asm-generic/rwsem.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_RWSEM_H
-#define _ASM_POWERPC_RWSEM_H
+#ifndef _ASM_GENERIC_RWSEM_H
+#define _ASM_GENERIC_RWSEM_H
 
 #ifndef _LINUX_RWSEM_H
 #error "Please don't include <asm/rwsem.h> directly, use <linux/rwsem.h> instead."
@@ -8,7 +8,7 @@
 #ifdef __KERNEL__
 
 /*
- * R/W semaphores for PPC using the stuff in lib/rwsem.c.
+ * R/W semaphores originally for PPC using the stuff in lib/rwsem.c.
  * Adapted largely from include/asm-i386/rwsem.h
  * by Paul Mackerras <paulus@samba.org>.
  */
@@ -16,7 +16,7 @@
 /*
  * the semaphore definition
  */
-#ifdef CONFIG_PPC64
+#ifdef CONFIG_64BIT
 # define RWSEM_ACTIVE_MASK              0xffffffffL
 #else
 # define RWSEM_ACTIVE_MASK              0x0000ffffL
@@ -129,4 +129,4 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
 }
 
 #endif  /* __KERNEL__ */
-#endif  /* _ASM_POWERPC_RWSEM_H */
+#endif  /* _ASM_GENERIC_RWSEM_H */
diff --git a/include/linux/ahci_platform.h b/include/linux/ahci_platform.h
index 73a25005d88a..1f16d502600c 100644
--- a/include/linux/ahci_platform.h
+++ b/include/linux/ahci_platform.h
@@ -19,15 +19,37 @@
 
 struct device;
 struct ata_port_info;
+struct ahci_host_priv;
+struct platform_device;
 
+/*
+ * Note ahci_platform_data is deprecated, it is only kept around for use
+ * by the old da850 and spear13xx ahci code.
+ * New drivers should instead declare their own platform_driver struct, and
+ * use ahci_platform* functions in their own probe, suspend and resume methods.
+ */
 struct ahci_platform_data {
         int (*init)(struct device *dev, void __iomem *addr);
         void (*exit)(struct device *dev);
         int (*suspend)(struct device *dev);
         int (*resume)(struct device *dev);
-        const struct ata_port_info *ata_port_info;
-        unsigned int force_port_map;
-        unsigned int mask_port_map;
 };
 
+int ahci_platform_enable_clks(struct ahci_host_priv *hpriv);
+void ahci_platform_disable_clks(struct ahci_host_priv *hpriv);
+int ahci_platform_enable_resources(struct ahci_host_priv *hpriv);
+void ahci_platform_disable_resources(struct ahci_host_priv *hpriv);
+struct ahci_host_priv *ahci_platform_get_resources(
+        struct platform_device *pdev);
+int ahci_platform_init_host(struct platform_device *pdev,
+                            struct ahci_host_priv *hpriv,
+                            const struct ata_port_info *pi_template,
+                            unsigned int force_port_map,
+                            unsigned int mask_port_map);
+
+int ahci_platform_suspend_host(struct device *dev);
+int ahci_platform_resume_host(struct device *dev);
+int ahci_platform_suspend(struct device *dev);
+int ahci_platform_resume(struct device *dev);
+
 #endif /* _AHCI_PLATFORM_H */
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 493aa021c7a9..2e4cb67f6e56 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -62,6 +62,11 @@ enum clock_event_mode {
 #define CLOCK_EVT_FEAT_DYNIRQ           0x000020
 #define CLOCK_EVT_FEAT_PERCPU           0x000040
 
+/*
+ * Clockevent device is based on a hrtimer for broadcast
+ */
+#define CLOCK_EVT_FEAT_HRTIMER          0x000080
+
 /**
  * struct clock_event_device - clock event device descriptor
  * @event_handler:      Assigned by the framework to be called by the low
@@ -83,6 +88,7 @@ enum clock_event_mode {
  * @name:               ptr to clock event name
  * @rating:             variable to rate clock event devices
  * @irq:                IRQ number (only for non CPU local devices)
+ * @bound_on:           Bound on CPU
  * @cpumask:            cpumask to indicate for which CPUs this device works
  * @list:               list head for the management code
  * @owner:              module reference
@@ -113,6 +119,7 @@ struct clock_event_device {
         const char              *name;
         int                     rating;
         int                     irq;
+        int                     bound_on;
         const struct cpumask    *cpumask;
         struct list_head        list;
         struct module           *owner;
@@ -180,15 +187,17 @@ extern int tick_receive_broadcast(void);
 #endif
 
 #if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT)
+extern void tick_setup_hrtimer_broadcast(void);
 extern int tick_check_broadcast_expired(void);
 #else
 static inline int tick_check_broadcast_expired(void) { return 0; }
+static inline void tick_setup_hrtimer_broadcast(void) {};
 #endif
 
 #ifdef CONFIG_GENERIC_CLOCKEVENTS
-extern void clockevents_notify(unsigned long reason, void *arg);
+extern int clockevents_notify(unsigned long reason, void *arg);
 #else
-static inline void clockevents_notify(unsigned long reason, void *arg) {}
+static inline int clockevents_notify(unsigned long reason, void *arg) { return 0; }
 #endif
 
 #else /* CONFIG_GENERIC_CLOCKEVENTS_BUILD */
@@ -196,8 +205,9 @@ static inline void clockevents_notify(unsigned long reason, void *arg) {}
 static inline void clockevents_suspend(void) {}
 static inline void clockevents_resume(void) {}
 
-static inline void clockevents_notify(unsigned long reason, void *arg) {}
+static inline int clockevents_notify(unsigned long reason, void *arg) { return 0; }
 static inline int tick_check_broadcast_expired(void) { return 0; }
+static inline void tick_setup_hrtimer_broadcast(void) {};
 
 #endif
 
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 3f448c65511b..01c0aa57ccec 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -14,6 +14,7 @@
 #include <linux/if.h>
 #include <linux/fs.h>
 #include <linux/aio_abi.h>      /* for aio_context_t */
+#include <linux/unistd.h>
 
 #include <asm/compat.h>
 #include <asm/siginfo.h>
@@ -27,6 +28,9 @@
 #define __SC_DELOUSE(t,v) ((t)(unsigned long)(v))
 #endif
 
+#define COMPAT_SYSCALL_DEFINE0(name) \
+        asmlinkage long compat_sys_##name(void)
+
 #define COMPAT_SYSCALL_DEFINE1(name, ...) \
         COMPAT_SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
 #define COMPAT_SYSCALL_DEFINE2(name, ...) \
@@ -68,6 +72,8 @@ typedef struct compat_sigaltstack {
 typedef __compat_uid32_t        compat_uid_t;
 typedef __compat_gid32_t        compat_gid_t;
 
+typedef compat_ulong_t          compat_aio_context_t;
+
 struct compat_sel_arg_struct;
 struct rusage;
 
@@ -318,7 +324,7 @@ asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg);
 asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp,
                 compat_ssize_t msgsz, int msgflg);
 asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp,
-                compat_ssize_t msgsz, long msgtyp, int msgflg);
+                compat_ssize_t msgsz, compat_long_t msgtyp, int msgflg);
 long compat_sys_msgctl(int first, int second, void __user *uptr);
 long compat_sys_shmctl(int first, int second, void __user *uptr);
 long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,
@@ -337,6 +343,19 @@ asmlinkage ssize_t compat_sys_preadv(compat_ulong_t fd,
 asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd,
                 const struct compat_iovec __user *vec,
                 compat_ulong_t vlen, u32 pos_low, u32 pos_high);
+
+#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64
+asmlinkage long compat_sys_preadv64(unsigned long fd,
+                const struct compat_iovec __user *vec,
+                unsigned long vlen, loff_t pos);
+#endif
+
+#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64
+asmlinkage long compat_sys_pwritev64(unsigned long fd,
+                const struct compat_iovec __user *vec,
+                unsigned long vlen, loff_t pos);
+#endif
+
 asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int);
 
 asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv,
@@ -451,7 +470,7 @@ asmlinkage long compat_sys_timerfd_settime(int ufd, int flags,
 asmlinkage long compat_sys_timerfd_gettime(int ufd,
                                    struct compat_itimerspec __user *otmr);
 
-asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
+asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages,
                                       __u32 __user *pages,
                                       const int __user *nodes,
                                       int __user *status,
@@ -481,20 +500,20 @@ asmlinkage long compat_sys_statfs64(const char __user *pathname,
 asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz,
                                      struct compat_statfs64 __user *buf);
 asmlinkage long compat_sys_fcntl64(unsigned int fd, unsigned int cmd,
-                                   unsigned long arg);
+                                   compat_ulong_t arg);
 asmlinkage long compat_sys_fcntl(unsigned int fd, unsigned int cmd,
-                                 unsigned long arg);
+                                 compat_ulong_t arg);
 asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p);
-asmlinkage long compat_sys_io_getevents(aio_context_t ctx_id,
-                                        unsigned long min_nr,
-                                        unsigned long nr,
+asmlinkage long compat_sys_io_getevents(compat_aio_context_t ctx_id,
+                                        compat_long_t min_nr,
+                                        compat_long_t nr,
                                         struct io_event __user *events,
                                         struct compat_timespec __user *timeout);
-asmlinkage long compat_sys_io_submit(aio_context_t ctx_id, int nr,
+asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr,
                                      u32 __user *iocb);
 asmlinkage long compat_sys_mount(const char __user *dev_name,
                                  const char __user *dir_name,
-                                 const char __user *type, unsigned long flags,
+                                 const char __user *type, compat_ulong_t flags,
                                  const void __user *data);
 asmlinkage long compat_sys_old_readdir(unsigned int fd,
                                        struct compat_old_linux_dirent __user *,
@@ -502,9 +521,11 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
 asmlinkage long compat_sys_getdents(unsigned int fd,
                                     struct compat_linux_dirent __user *dirent,
                                     unsigned int count);
+#ifdef __ARCH_WANT_COMPAT_SYS_GETDENTS64
 asmlinkage long compat_sys_getdents64(unsigned int fd,
                                       struct linux_dirent64 __user *dirent,
                                       unsigned int count);
+#endif
 asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *,
                                     unsigned int nr_segs, unsigned int flags);
 asmlinkage long compat_sys_open(const char __user *filename, int flags,
@@ -549,9 +570,9 @@ asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg,
                                     unsigned vlen, unsigned int flags);
 asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg,
                                    unsigned int flags);
-asmlinkage long compat_sys_recv(int fd, void __user *buf, size_t len,
+asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len,
                                 unsigned flags);
-asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, size_t len,
+asmlinkage long compat_sys_recvfrom(int fd, void __user *buf, compat_size_t len,
                             unsigned flags, struct sockaddr __user *addr,
                             int __user *addrlen);
 asmlinkage long compat_sys_recvmmsg(int fd, struct compat_mmsghdr __user *mmsg,
@@ -615,16 +636,16 @@ asmlinkage long compat_sys_rt_sigqueueinfo(compat_pid_t pid, int sig,
                                 struct compat_siginfo __user *uinfo);
 asmlinkage long compat_sys_sysinfo(struct compat_sysinfo __user *info);
 asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
-                                 unsigned long arg);
+                                 compat_ulong_t arg);
 asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
                 struct compat_timespec __user *utime, u32 __user *uaddr2,
                 u32 val3);
 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
                                       char __user *optval, int __user *optlen);
-asmlinkage long compat_sys_kexec_load(unsigned long entry,
-                                      unsigned long nr_segments,
+asmlinkage long compat_sys_kexec_load(compat_ulong_t entry,
+                                      compat_ulong_t nr_segments,
                                       struct compat_kexec_segment __user *,
-                                      unsigned long flags);
+                                      compat_ulong_t flags);
 asmlinkage long compat_sys_mq_getsetattr(mqd_t mqdes,
                         const struct compat_mq_attr __user *u_mqstat,
                         struct compat_mq_attr __user *u_omqstat);
@@ -635,11 +656,11 @@ asmlinkage long compat_sys_mq_open(const char __user *u_name,
                         struct compat_mq_attr __user *u_attr);
 asmlinkage long compat_sys_mq_timedsend(mqd_t mqdes,
                         const char __user *u_msg_ptr,
-                        size_t msg_len, unsigned int msg_prio,
+                        compat_size_t msg_len, unsigned int msg_prio,
                         const struct compat_timespec __user *u_abs_timeout);
 asmlinkage ssize_t compat_sys_mq_timedreceive(mqd_t mqdes,
                         char __user *u_msg_ptr,
-                        size_t msg_len, unsigned int __user *u_msg_prio,
+                        compat_size_t msg_len, unsigned int __user *u_msg_prio,
                         const struct compat_timespec __user *u_abs_timeout);
 asmlinkage long compat_sys_socketcall(int call, u32 __user *args);
 asmlinkage long compat_sys_sysctl(struct compat_sysctl_args __user *args);
@@ -654,12 +675,12 @@ extern void __user *compat_alloc_user_space(unsigned long len);
 
 asmlinkage ssize_t compat_sys_process_vm_readv(compat_pid_t pid,
                 const struct compat_iovec __user *lvec,
-                unsigned long liovcnt, const struct compat_iovec __user *rvec,
-                unsigned long riovcnt, unsigned long flags);
+                compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
+                compat_ulong_t riovcnt, compat_ulong_t flags);
 asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
                 const struct compat_iovec __user *lvec,
-                unsigned long liovcnt, const struct compat_iovec __user *rvec,
-                unsigned long riovcnt, unsigned long flags);
+                compat_ulong_t liovcnt, const struct compat_iovec __user *rvec,
+                compat_ulong_t riovcnt, compat_ulong_t flags);
 
 asmlinkage long compat_sys_sendfile(int out_fd, int in_fd,
                                     compat_off_t __user *offset, compat_size_t count);
diff --git a/include/linux/cputime.h b/include/linux/cputime.h
new file mode 100644
index 000000000000..f2eb2ee535ca
--- /dev/null
+++ b/include/linux/cputime.h
@@ -0,0 +1,16 @@
+#ifndef __LINUX_CPUTIME_H
+#define __LINUX_CPUTIME_H
+
+#include <asm/cputime.h>
+
+#ifndef cputime_to_nsecs
+# define cputime_to_nsecs(__ct) \
+        (cputime_to_usecs(__ct) * NSEC_PER_USEC)
+#endif
+
+#ifndef nsecs_to_cputime
+# define nsecs_to_cputime(__nsecs)      \
+        usecs_to_cputime((__nsecs) / NSEC_PER_USEC)
+#endif
+
+#endif /* __LINUX_CPUTIME_H */
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 12d5f972f23f..cba442ec3c66 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -9,6 +9,7 @@
 
 
 extern void synchronize_irq(unsigned int irq);
+extern void synchronize_hardirq(unsigned int irq);
 
 #if defined(CONFIG_TINY_RCU)
 
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index d19a5c2d2270..e7a8d3fa91d5 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -96,12 +96,12 @@ enum hrtimer_restart {
  * @function:   timer expiry callback function
  * @base:       pointer to the timer base (per cpu and per clock)
  * @state:      state information (See bit values above)
+ * @start_pid: timer statistics field to store the pid of the task which
+ *              started the timer
  * @start_site: timer statistics field to store the site where the timer
  *              was started
  * @start_comm: timer statistics field to store the name of the process which
  *              started the timer
- * @start_pid: timer statistics field to store the pid of the task which
- *              started the timer
  *
  * The hrtimer structure must be initialized by hrtimer_init()
  */
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index a2678d35b5a2..c7bfac1c4a7b 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -188,6 +188,7 @@ extern void disable_irq(unsigned int irq);
 extern void disable_percpu_irq(unsigned int irq);
 extern void enable_irq(unsigned int irq);
 extern void enable_percpu_irq(unsigned int irq, unsigned int type);
+extern void irq_wake_thread(unsigned int irq, void *dev_id);
 
 /* The following three functions are for the core kernel use only. */
 extern void suspend_device_irqs(void);
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7dc10036eff5..d278838908cb 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -303,6 +303,10 @@ static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
  * @irq_pm_shutdown:    function called from core code on shutdown once per chip
  * @irq_calc_mask:      Optional function to set irq_data.mask for special cases
  * @irq_print_chip:     optional to print special chip info in show_interrupts
+ * @irq_request_resources:      optional to request resources before calling
+ *                              any other callback related to this irq
+ * @irq_release_resources:      optional to release resources acquired with
+ *                              irq_request_resources
  * @flags:              chip specific flags
  */
 struct irq_chip {
@@ -336,6 +340,8 @@ struct irq_chip {
         void            (*irq_calc_mask)(struct irq_data *data);
 
         void            (*irq_print_chip)(struct irq_data *data, struct seq_file *p);
+        int             (*irq_request_resources)(struct irq_data *data);
+        void            (*irq_release_resources)(struct irq_data *data);
 
         unsigned long   flags;
 };
@@ -349,6 +355,8 @@ struct irq_chip {
  * IRQCHIP_ONOFFLINE_ENABLED:   Only call irq_on/off_line callbacks
  *                              when irq enabled
  * IRQCHIP_SKIP_SET_WAKE:       Skip chip.irq_set_wake(), for this irq chip
+ * IRQCHIP_ONESHOT_SAFE:        One shot does not require mask/unmask
+ * IRQCHIP_EOI_THREADED:        Chip requires eoi() on unmask in threaded mode
  */
 enum {
         IRQCHIP_SET_TYPE_MASKED         = (1 <<  0),
@@ -357,6 +365,7 @@ enum {
         IRQCHIP_ONOFFLINE_ENABLED       = (1 <<  3),
         IRQCHIP_SKIP_SET_WAKE           = (1 <<  4),
         IRQCHIP_ONESHOT_SAFE            = (1 <<  5),
+        IRQCHIP_EOI_THREADED            = (1 <<  6),
 };
 
 /* This include will go away once we isolated irq_desc usage to core code */
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 51c72be4a7c3..ecbc52f9ff77 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -9,7 +9,7 @@
 #include <linux/sched.h>
 #include <linux/vtime.h>
 #include <asm/irq.h>
-#include <asm/cputime.h>
+#include <linux/cputime.h>
 
 /*
  * 'kernel_stat.h' contains the definitions needed for doing
@@ -51,14 +51,8 @@ DECLARE_PER_CPU(struct kernel_cpustat, kernel_cpustat);
 
 extern unsigned long long nr_context_switches(void);
 
-#include <linux/irq.h>
 extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
-
-#define kstat_incr_irqs_this_cpu(irqno, DESC)           \
-do {                                                    \
-        __this_cpu_inc(*(DESC)->kstat_irqs);            \
-        __this_cpu_inc(kstat.irqs_sum);                 \
-} while (0)
+extern void kstat_incr_irq_this_cpu(unsigned int irq);
 
 static inline void kstat_incr_softirqs_this_cpu(unsigned int irq)
 {
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index 6d4066cdb5b5..a75641930049 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -127,12 +127,6 @@ extern asmlinkage long sys_kexec_load(unsigned long entry,
                                         struct kexec_segment __user *segments,
                                         unsigned long flags);
 extern int kernel_kexec(void);
-#ifdef CONFIG_COMPAT
-extern asmlinkage long compat_sys_kexec_load(unsigned long entry,
-                                unsigned long nr_segments,
-                                struct compat_kexec_segment __user *segments,
-                                unsigned long flags);
-#endif
 extern struct page *kimage_alloc_control_pages(struct kimage *image,
                                                 unsigned int order);
 extern void crash_kexec(struct pt_regs *);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index bec6dbe939a0..1de36be64df4 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -848,7 +848,6 @@ struct ata_port {
         struct completion       park_req_pending;
 
         pm_message_t            pm_mesg;
-        int                     *pm_result;
         enum ata_lpm_policy     target_lpm_policy;
 
         struct timer_list       fastdrain_timer;
@@ -1140,16 +1139,14 @@ extern bool ata_link_offline(struct ata_link *link);
 #ifdef CONFIG_PM
 extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
 extern void ata_host_resume(struct ata_host *host);
-extern int ata_sas_port_async_suspend(struct ata_port *ap, int *async);
-extern int ata_sas_port_async_resume(struct ata_port *ap, int *async);
+extern void ata_sas_port_suspend(struct ata_port *ap);
+extern void ata_sas_port_resume(struct ata_port *ap);
 #else
-static inline int ata_sas_port_async_suspend(struct ata_port *ap, int *async)
+static inline void ata_sas_port_suspend(struct ata_port *ap)
 {
-        return 0;
 }
-static inline int ata_sas_port_async_resume(struct ata_port *ap, int *async)
+static inline void ata_sas_port_resume(struct ata_port *ap)
 {
-        return 0;
 }
 #endif
 extern int ata_ratelimit(void);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index c1b7414c7bef..a0df4295e171 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1487,9 +1487,15 @@ static inline void pgtable_page_dtor(struct page *page)
 
 #if USE_SPLIT_PMD_PTLOCKS
 
+static struct page *pmd_to_page(pmd_t *pmd)
+{
+        unsigned long mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1);
+        return virt_to_page((void *)((unsigned long) pmd & mask));
+}
+
 static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd)
 {
-        return ptlock_ptr(virt_to_page(pmd));
+        return ptlock_ptr(pmd_to_page(pmd));
 }
 
 static inline bool pgtable_pmd_page_ctor(struct page *page)
@@ -1508,7 +1514,7 @@ static inline void pgtable_pmd_page_dtor(struct page *page)
         ptlock_free(page);
 }
 
-#define pmd_huge_pte(mm, pmd) (virt_to_page(pmd)->pmd_huge_pte)
+#define pmd_huge_pte(mm, pmd) (pmd_to_page(pmd)->pmd_huge_pte)
 
 #else
 
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 69ae03f6eb15..6b9aafed225f 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -87,6 +87,7 @@ struct nvme_dev {
         struct list_head namespaces;
         struct kref kref;
         struct miscdevice miscdev;
+        work_func_t reset_workfn;
         struct work_struct reset_work;
         char name[12];
         char serial[20];
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 825ed838d4b9..7cb07fd26680 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -29,7 +29,7 @@ struct sched_param {
 
 #include <asm/page.h>
 #include <asm/ptrace.h>
-#include <asm/cputime.h>
+#include <linux/cputime.h>
 
 #include <linux/smp.h>
 #include <linux/sem.h>
@@ -294,10 +294,14 @@ extern int runqueue_is_locked(int cpu);
 #if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ_COMMON)
 extern void nohz_balance_enter_idle(int cpu);
 extern void set_cpu_sd_state_idle(void);
-extern int get_nohz_timer_target(void);
+extern int get_nohz_timer_target(int pinned);
 #else
 static inline void nohz_balance_enter_idle(int cpu) { }
 static inline void set_cpu_sd_state_idle(void) { }
+static inline int get_nohz_timer_target(int pinned)
+{
+        return smp_processor_id();
+}
 #endif
 
 /*
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index a747a77ea584..1e67b7a5968c 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -98,6 +98,8 @@ struct sigaltstack;
 #define __MAP(n,...) __MAP##n(__VA_ARGS__)
 
 #define __SC_DECL(t, a) t a
+#define __TYPE_IS_L(t)  (__same_type((t)0, 0L))
+#define __TYPE_IS_UL(t) (__same_type((t)0, 0UL))
 #define __TYPE_IS_LL(t) (__same_type((t)0, 0LL) || __same_type((t)0, 0ULL))
 #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a
 #define __SC_CAST(t, a) (t) a
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 704f4f652d0a..1b22c42e9c2d 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -177,20 +177,10 @@ struct execute_work {
 #define DECLARE_DEFERRABLE_WORK(n, f)                                   \
         struct delayed_work n = __DELAYED_WORK_INITIALIZER(n, f, TIMER_DEFERRABLE)
 
-/*
- * initialize a work item's function pointer
- */
-#define PREPARE_WORK(_work, _func)                                      \
-        do {                                                            \
-                (_work)->func = (_func);                                \
-        } while (0)
-
-#define PREPARE_DELAYED_WORK(_work, _func)                              \
-        PREPARE_WORK(&(_work)->work, (_func))
-
 #ifdef CONFIG_DEBUG_OBJECTS_WORK
 extern void __init_work(struct work_struct *work, int onstack);
 extern void destroy_work_on_stack(struct work_struct *work);
+extern void destroy_delayed_work_on_stack(struct delayed_work *work);
 static inline unsigned int work_static(struct work_struct *work)
 {
         return *work_data_bits(work) & WORK_STRUCT_STATIC;
@@ -198,6 +188,7 @@ static inline unsigned int work_static(struct work_struct *work)
 #else
 static inline void __init_work(struct work_struct *work, int onstack) { }
 static inline void destroy_work_on_stack(struct work_struct *work) { }
+static inline void destroy_delayed_work_on_stack(struct delayed_work *work) { }
 static inline unsigned int work_static(struct work_struct *work) { return 0; }
 #endif
 
@@ -217,7 +208,7 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
                 (_work)->data = (atomic_long_t) WORK_DATA_INIT();       \
                 lockdep_init_map(&(_work)->lockdep_map, #_work, &__key, 0); \
                 INIT_LIST_HEAD(&(_work)->entry);                        \
-                PREPARE_WORK((_work), (_func));                         \
+                (_work)->func = (_func);                                \
         } while (0)
 #else
 #define __INIT_WORK(_work, _func, _onstack)                             \
@@ -225,7 +216,7 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
                 __init_work((_work), _onstack);                         \
                 (_work)->data = (atomic_long_t) WORK_DATA_INIT();       \
                 INIT_LIST_HEAD(&(_work)->entry);                        \
-                PREPARE_WORK((_work), (_func));                         \
+                (_work)->func = (_func);                                \
         } while (0)
 #endif
 
@@ -295,17 +286,11 @@ static inline unsigned int work_static(struct work_struct *work) { return 0; }
  * Documentation/workqueue.txt.
  */
 enum {
-        /*
-         * All wqs are now non-reentrant making the following flag
-         * meaningless.  Will be removed.
-         */
-        WQ_NON_REENTRANT        = 1 << 0, /* DEPRECATED */
-
         WQ_UNBOUND              = 1 << 1, /* not bound to any cpu */
         WQ_FREEZABLE            = 1 << 2, /* freeze during suspend */
         WQ_MEM_RECLAIM          = 1 << 3, /* may be used for memory reclaim */
         WQ_HIGHPRI              = 1 << 4, /* high priority */
-        WQ_CPU_INTENSIVE        = 1 << 5, /* cpu instensive workqueue */
+        WQ_CPU_INTENSIVE        = 1 << 5, /* cpu intensive workqueue */
         WQ_SYSFS                = 1 << 6, /* visible in sysfs, see wq_sysfs_register() */
 
         /*
@@ -602,21 +587,6 @@ static inline bool keventd_up(void)
         return system_wq != NULL;
 }
 
-/*
- * Like above, but uses del_timer() instead of del_timer_sync(). This means,
- * if it returns 0 the timer function may be running and the queueing is in
- * progress.
- */
-static inline bool __deprecated __cancel_delayed_work(struct delayed_work *work)
-{
-        bool ret;
-
-        ret = del_timer(&work->timer);
-        if (ret)
-                work_clear_pending(&work->work);
-        return ret;
-}
-
 /* used to be different but now identical to flush_work(), deprecated */
 static inline bool __deprecated flush_work_sync(struct work_struct *work)
 {
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index f843dd8722a9..ef7872c20da9 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -172,7 +172,6 @@ struct sata_device {
         enum   ata_command_set command_set;
         struct smp_resp        rps_resp; /* report_phy_sata_resp */
         u8     port_no;        /* port number, if this is a PM (Port) */
-        int    pm_result;
 
         struct ata_port *ap;
         struct ata_host ata_host;
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index dde8041f40d2..6db66783d268 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -191,6 +191,7 @@ __SYSCALL(__NR_quotactl, sys_quotactl)
 
 /* fs/readdir.c */
 #define __NR_getdents64 61
+#define __ARCH_WANT_COMPAT_SYS_GETDENTS64
 __SC_COMP(__NR_getdents64, sys_getdents64, compat_sys_getdents64)
 
 /* fs/read_write.c */