20 files changed, 62 insertions, 50 deletions

diff --git a/include/linux/aio.h b/include/linux/aio.h
index 2314ad8b3c9c..b1a520ec8b59 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -140,6 +140,7 @@ struct kiocb {
                 (x)->ki_dtor = NULL;                    \
                 (x)->ki_obj.tsk = tsk;                  \
                 (x)->ki_user_data = 0;                  \
+                (x)->private = NULL;                    \
         } while (0)
 
 #define AIO_RING_MAGIC                  0xa10a10a1
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ba43f408baa3..07954b05b86c 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -827,7 +827,6 @@ extern bool __blk_end_request_err(struct request *rq, int error);
 extern void blk_complete_request(struct request *);
 extern void __blk_complete_request(struct request *);
 extern void blk_abort_request(struct request *);
-extern void blk_abort_queue(struct request_queue *);
 extern void blk_unprep_request(struct request *);
 
 /*
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index 324fe08ea3b1..6d6795d46a75 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -91,6 +91,11 @@ extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
                                   unsigned long size,
                                   unsigned long align,
                                   unsigned long goal);
+void *___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
+                                  unsigned long size,
+                                  unsigned long align,
+                                  unsigned long goal,
+                                  unsigned long limit);
 extern void *__alloc_bootmem_low(unsigned long size,
                                  unsigned long align,
                                  unsigned long goal);
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 094789ff3e9f..caa34e50537e 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -128,7 +128,7 @@ struct dentry {
                 struct rcu_head d_rcu;
         } d_u;
         struct list_head d_subdirs;     /* our children */
-        struct list_head d_alias;       /* inode alias list */
+        struct hlist_node d_alias;      /* inode alias list */
 };
 
 /*
@@ -144,7 +144,7 @@ enum dentry_d_lock_class
 };
 
 struct dentry_operations {
-        int (*d_revalidate)(struct dentry *, struct nameidata *);
+        int (*d_revalidate)(struct dentry *, unsigned int);
         int (*d_hash)(const struct dentry *, const struct inode *,
                         struct qstr *);
         int (*d_compare)(const struct dentry *, const struct inode *,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 17fd887c798f..48548bdd7722 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -826,7 +826,7 @@ struct inode {
         struct list_head        i_lru;          /* inode LRU list */
         struct list_head        i_sb_list;
         union {
-                struct list_head        i_dentry;
+                struct hlist_head       i_dentry;
                 struct rcu_head         i_rcu;
         };
         u64                     i_version;
@@ -1571,7 +1571,7 @@ extern void unlock_super(struct super_block *);
 /*
  * VFS helper functions..
  */
-extern int vfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *);
+extern int vfs_create(struct inode *, struct dentry *, umode_t, bool);
 extern int vfs_mkdir(struct inode *, struct dentry *, umode_t);
 extern int vfs_mknod(struct inode *, struct dentry *, umode_t, dev_t);
 extern int vfs_symlink(struct inode *, struct dentry *, const char *);
@@ -1666,7 +1666,7 @@ struct file_operations {
 };
 
 struct inode_operations {
-        struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameidata *);
+        struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
         void * (*follow_link) (struct dentry *, struct nameidata *);
         int (*permission) (struct inode *, int);
         struct posix_acl * (*get_acl)(struct inode *, int);
@@ -1674,7 +1674,7 @@ struct inode_operations {
         int (*readlink) (struct dentry *, char __user *,int);
         void (*put_link) (struct dentry *, struct nameidata *, void *);
 
-        int (*create) (struct inode *,struct dentry *,umode_t,struct nameidata *);
+        int (*create) (struct inode *,struct dentry *, umode_t, bool);
         int (*link) (struct dentry *,struct inode *,struct dentry *);
         int (*unlink) (struct inode *,struct dentry *);
         int (*symlink) (struct inode *,struct dentry *,const char *);
@@ -1693,6 +1693,9 @@ struct inode_operations {
         int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
                       u64 len);
         int (*update_time)(struct inode *, struct timespec *, int);
+        int (*atomic_open)(struct inode *, struct dentry *,
+                           struct file *, unsigned open_flag,
+                           umode_t create_mode, int *opened);
 } ____cacheline_aligned;
 
 struct seq_file;
@@ -1911,7 +1914,7 @@ void free_anon_bdev(dev_t);
 struct super_block *sget(struct file_system_type *type,
                         int (*test)(struct super_block *,void *),
                         int (*set)(struct super_block *,void *),
-                        void *data);
+                        int flags, void *data);
 extern struct dentry *mount_pseudo(struct file_system_type *, char *,
         const struct super_operations *ops,
         const struct dentry_operations *dops,
@@ -2061,6 +2064,14 @@ extern struct file * dentry_open(struct dentry *, struct vfsmount *, int,
                                  const struct cred *);
 extern int filp_close(struct file *, fl_owner_t id);
 extern char * getname(const char __user *);
+enum {
+        FILE_CREATED = 1,
+        FILE_OPENED = 2
+};
+extern int finish_open(struct file *file, struct dentry *dentry,
+                        int (*open)(struct inode *, struct file *),
+                        int *opened);
+extern int finish_no_open(struct file *file, struct dentry *dentry);
 
 /* fs/ioctl.c */
 
@@ -2560,7 +2571,7 @@ extern int simple_write_end(struct file *file, struct address_space *mapping,
                         loff_t pos, unsigned len, unsigned copied,
                         struct page *page, void *fsdata);
 
-extern struct dentry *simple_lookup(struct inode *, struct dentry *, struct nameidata *);
+extern struct dentry *simple_lookup(struct inode *, struct dentry *, unsigned int flags);
 extern ssize_t generic_read_dir(struct file *, char __user *, size_t, loff_t *);
 extern const struct file_operations simple_dir_operations;
 extern const struct inode_operations simple_dir_inode_operations;
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index f07fc2d08159..2e31e8b3a190 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -22,8 +22,8 @@
 /* Gpio pin is open source */
 #define GPIOF_OPEN_SOURCE       (1 << 3)
 
-#define GPIOF_EXPORT            (1 << 2)
-#define GPIOF_EXPORT_CHANGEABLE (1 << 3)
+#define GPIOF_EXPORT            (1 << 4)
+#define GPIOF_EXPORT_CHANGEABLE (1 << 5)
 #define GPIOF_EXPORT_DIR_FIXED  (GPIOF_EXPORT)
 #define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE)
 
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index fd0dc30c9f15..cc07d2777bbe 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -165,6 +165,7 @@ enum  hrtimer_base_type {
  * @lock:               lock protecting the base and associated clock bases
  *                      and timers
  * @active_bases:       Bitfield to mark bases with active timers
+ * @clock_was_set:      Indicates that clock was set from irq context.
  * @expires_next:       absolute time of the next event which was scheduled
  *                      via clock_set_next_event()
  * @hres_active:        State of high resolution mode
@@ -177,7 +178,8 @@ enum  hrtimer_base_type {
  */
 struct hrtimer_cpu_base {
         raw_spinlock_t                  lock;
-        unsigned long                   active_bases;
+        unsigned int                    active_bases;
+        unsigned int                    clock_was_set;
 #ifdef CONFIG_HIGH_RES_TIMERS
         ktime_t                         expires_next;
         int                             hres_active;
@@ -286,6 +288,8 @@ extern void hrtimer_peek_ahead_timers(void);
 # define MONOTONIC_RES_NSEC     HIGH_RES_NSEC
 # define KTIME_MONOTONIC_RES    KTIME_HIGH_RES
 
+extern void clock_was_set_delayed(void);
+
 #else
 
 # define MONOTONIC_RES_NSEC     LOW_RES_NSEC
@@ -306,6 +310,9 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
 {
         return 0;
 }
+
+static inline void clock_was_set_delayed(void) { }
+
 #endif
 
 extern void clock_was_set(void);
@@ -320,6 +327,7 @@ extern ktime_t ktime_get(void);
 extern ktime_t ktime_get_real(void);
 extern ktime_t ktime_get_boottime(void);
 extern ktime_t ktime_get_monotonic_offset(void);
+extern ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot);
 
 DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
 
diff --git a/include/linux/input.h b/include/linux/input.h
index a81671453575..2740d080ec6b 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -116,6 +116,7 @@ struct input_keymap_entry {
 
 /**
  * EVIOCGMTSLOTS(len) - get MT slot values
+ * @len: size of the data buffer in bytes
  *
  * The ioctl buffer argument should be binary equivalent to
  *
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 61f5cec031e0..a5261e3d2e3c 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -301,8 +301,6 @@ 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_print_chip:     optional to print special chip info in show_interrupts
  * @flags:              chip specific flags
- *
- * @release:            release function solely used by UML
  */
 struct irq_chip {
         const char      *name;
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index c4464356b35b..96c158a37d3e 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -815,7 +815,7 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {}
 #ifdef CONFIG_HAVE_KVM_EVENTFD
 
 void kvm_eventfd_init(struct kvm *kvm);
-int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags);
+int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args);
 void kvm_irqfd_release(struct kvm *kvm);
 void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *);
 int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
@@ -824,7 +824,7 @@ int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
 
 static inline void kvm_eventfd_init(struct kvm *kvm) {}
 
-static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags)
+static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)
 {
         return -EINVAL;
 }
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index a6bb10235148..19dc455b4f3d 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -50,9 +50,7 @@ phys_addr_t memblock_find_in_range_node(phys_addr_t start, phys_addr_t end,
                                 phys_addr_t size, phys_addr_t align, int nid);
 phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
                                    phys_addr_t size, phys_addr_t align);
-int memblock_free_reserved_regions(void);
-int memblock_reserve_reserved_regions(void);
-
+phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
 void memblock_allow_resize(void);
 int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
 int memblock_add(phys_addr_t base, phys_addr_t size);
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 2427706f78b4..68c569fcbb66 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -694,7 +694,7 @@ typedef struct pglist_data {
                                              range, including holes */
         int node_id;
         wait_queue_head_t kswapd_wait;
-        struct task_struct *kswapd;
+        struct task_struct *kswapd;     /* Protected by lock_memory_hotplug() */
         int kswapd_max_order;
         enum zone_type classzone_idx;
 } pg_data_t;
diff --git a/include/linux/namei.h b/include/linux/namei.h
index ffc02135c483..d2ef8b34b967 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -7,12 +7,6 @@
 
 struct vfsmount;
 
-struct open_intent {
-        int     flags;
-        int     create_mode;
-        struct file *file;
-};
-
 enum { MAX_NESTED_LINKS = 8 };
 
 struct nameidata {
@@ -25,11 +19,6 @@ struct nameidata {
         int             last_type;
         unsigned        depth;
         char *saved_names[MAX_NESTED_LINKS + 1];
-
-        /* Intent data */
-        union {
-                struct open_intent open;
-        } intent;
 };
 
 /*
@@ -78,13 +67,10 @@ extern int kern_path(const char *, unsigned, struct path *);
 
 extern struct dentry *kern_path_create(int, const char *, struct path *, int);
 extern struct dentry *user_path_create(int, const char __user *, struct path *, int);
-extern int kern_path_parent(const char *, struct nameidata *);
+extern struct dentry *kern_path_locked(const char *, struct path *);
 extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
                            const char *, unsigned int, struct path *);
 
-extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry,
-                int (*open)(struct inode *, struct file *));
-
 extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
 
 extern int follow_down_one(struct path *);
@@ -94,6 +80,8 @@ extern int follow_up(struct path *);
 extern struct dentry *lock_rename(struct dentry *, struct dentry *);
 extern void unlock_rename(struct dentry *, struct dentry *);
 
+extern void nd_jump_link(struct nameidata *nd, struct path *path);
+
 static inline void nd_set_link(struct nameidata *nd, char *path)
 {
         nd->saved_names[nd->depth] = path;
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 8ed8ec628290..0e181c2320b7 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1380,7 +1380,7 @@ struct nfs_rpc_ops {
         int     (*readlink)(struct inode *, struct page *, unsigned int,
                             unsigned int);
         int     (*create)  (struct inode *, struct dentry *,
-                            struct iattr *, int, struct nfs_open_context *);
+                            struct iattr *, int);
         int     (*remove)  (struct inode *, struct qstr *);
         void    (*unlink_setup)  (struct rpc_message *, struct inode *dir);
         void    (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index fefb4e19bf6a..d8c379dba6ad 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -176,8 +176,6 @@ enum pci_dev_flags {
         PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
         /* Provide indication device is assigned by a Virtual Machine Manager */
         PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4,
-        /* Device causes system crash if in D3 during S3 sleep */
-        PCI_DEV_FLAGS_NO_D3_DURING_SLEEP = (__force pci_dev_flags_t) 8,
 };
 
 enum pci_irq_reroute_variant {
diff --git a/include/linux/prctl.h b/include/linux/prctl.h
index 3988012255dc..289760f424aa 100644
--- a/include/linux/prctl.h
+++ b/include/linux/prctl.h
@@ -141,6 +141,8 @@
  * Changing LSM security domain is considered a new privilege.  So, for example,
  * asking selinux for a specific new context (e.g. with runcon) will result
  * in execve returning -EPERM.
+ *
+ * See Documentation/prctl/no_new_privs.txt for more details.
  */
 #define PR_SET_NO_NEW_PRIVS     38
 #define PR_GET_NO_NEW_PRIVS     39
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index a8e50e44203c..82a673905edb 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -38,6 +38,8 @@
 #include <linux/types.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
+#include <linux/kref.h>
+#include <linux/mutex.h>
 
 /* The feature bitmap for virtio rpmsg */
 #define VIRTIO_RPMSG_F_NS       0 /* RP supports name service notifications */
@@ -120,7 +122,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32);
 /**
  * struct rpmsg_endpoint - binds a local rpmsg address to its user
  * @rpdev: rpmsg channel device
+ * @refcount: when this drops to zero, the ept is deallocated
  * @cb: rx callback handler
+ * @cb_lock: must be taken before accessing/changing @cb
  * @addr: local rpmsg address
  * @priv: private data for the driver's use
  *
@@ -140,7 +144,9 @@ typedef void (*rpmsg_rx_cb_t)(struct rpmsg_channel *, void *, int, void *, u32);
  */
 struct rpmsg_endpoint {
         struct rpmsg_channel *rpdev;
+        struct kref refcount;
         rpmsg_rx_cb_t cb;
+        struct mutex cb_lock;
         u32 addr;
         void *priv;
 };
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index b534a1be540a..642cb7355df3 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -225,14 +225,11 @@ enum {
         /* device driver is going to provide hardware time stamp */
         SKBTX_IN_PROGRESS = 1 << 2,
 
-        /* ensure the originating sk reference is available on driver level */
-        SKBTX_DRV_NEEDS_SK_REF = 1 << 3,
-
         /* device driver supports TX zero-copy buffers */
-        SKBTX_DEV_ZEROCOPY = 1 << 4,
+        SKBTX_DEV_ZEROCOPY = 1 << 3,
 
         /* generate wifi status information (where possible) */
-        SKBTX_WIFI_STATUS = 1 << 5,
+        SKBTX_WIFI_STATUS = 1 << 4,
 };
 
 /*
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 26e5b613deda..09a545a7dfa3 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -51,7 +51,8 @@ struct partial_page {
 struct splice_pipe_desc {
         struct page **pages;            /* page map */
         struct partial_page *partial;   /* pages[] may not be contig */
-        int nr_pages;                   /* number of pages in map */
+        int nr_pages;                   /* number of populated pages in map */
+        unsigned int nr_pages_max;      /* pages[] & partial[] arrays size */
         unsigned int flags;             /* splice flags */
         const struct pipe_buf_operations *ops;/* ops associated with output pipe */
         void (*spd_release)(struct splice_pipe_desc *, unsigned int);
@@ -85,9 +86,8 @@ extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
 /*
  * for dynamic pipe sizing
  */
-extern int splice_grow_spd(struct pipe_inode_info *, struct splice_pipe_desc *);
-extern void splice_shrink_spd(struct pipe_inode_info *,
-                                struct splice_pipe_desc *);
+extern int splice_grow_spd(const struct pipe_inode_info *, struct splice_pipe_desc *);
+extern void splice_shrink_spd(struct splice_pipe_desc *);
 extern void spd_release_page(struct splice_pipe_desc *, unsigned int);
 
 extern const struct pipe_buf_operations page_cache_pipe_buf_ops;
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 370d11106c11..2039c5d3292e 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -2640,9 +2640,9 @@ struct v4l2_create_buffers {
 
 /* Experimental, these three ioctls may change over the next couple of kernel
    versions. */
-#define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 96, struct v4l2_enum_dv_timings)
-#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 97, struct v4l2_dv_timings)
-#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 98, struct v4l2_dv_timings_cap)
+#define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
+#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
+#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)
 
 /* Reminder: when adding new ioctls please add support for them to
    drivers/media/video/v4l2-compat-ioctl32.c as well! */