31 files changed, 274 insertions, 118 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 70654521dab6..5a4d39b4686b 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -250,6 +250,17 @@ static inline unsigned bio_segments(struct bio *bio)
        struct bio_vec bv;
        struct bvec_iter iter;
+        /*
+         * We special case discard/write same, because they interpret bi_size
+         * differently:
+         */
+        if (bio->bi_rw & REQ_DISCARD)
+                return 1;
+        if (bio->bi_rw & REQ_WRITE_SAME)
+                return 1;
        bio_for_each_segment(bv, bio, iter)
                segs++;
@@ -332,6 +343,7 @@ extern struct bio *bio_clone_fast(struct bio *, gfp_t, struct bio_set *);
 extern struct bio *bio_clone_bioset(struct bio *, gfp_t, struct bio_set *bs);
 extern struct bio_set *fs_bio_set;
+unsigned int bio_integrity_tag_size(struct bio *bio);
 static inline struct bio *bio_alloc(gfp_t gfp_mask, unsigned int nr_iovecs)
 {
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 161b23105b1e..18ba8a627f46 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -83,6 +83,8 @@ struct blk_mq_ops {
         */
        rq_timed_out_fn         *timeout;
+        softirq_done_fn         *complete;
        /*
         * Override for hctx allocations (should probably go)
         */
@@ -119,11 +121,12 @@ void blk_mq_init_commands(struct request_queue *, void (*init)(void *data, struc
 void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule);
-void blk_mq_insert_request(struct request_queue *, struct request *, bool);
+void blk_mq_insert_request(struct request_queue *, struct request *,
+                bool, bool);
 void blk_mq_run_queues(struct request_queue *q, bool async);
 void blk_mq_free_request(struct request *rq);
 bool blk_mq_can_queue(struct blk_mq_hw_ctx *);
-struct request *blk_mq_alloc_request(struct request_queue *q, int rw, gfp_t gfp, bool reserved);
+struct request *blk_mq_alloc_request(struct request_queue *q, int rw, gfp_t gfp);
 struct request *blk_mq_alloc_reserved_request(struct request_queue *q, int rw, gfp_t gfp);
 struct request *blk_mq_rq_from_tag(struct request_queue *q, unsigned int tag);
@@ -133,6 +136,8 @@ void blk_mq_free_single_hw_queue(struct blk_mq_hw_ctx *, unsigned int);
 void blk_mq_end_io(struct request *rq, int error);
+void blk_mq_complete_request(struct request *rq);
 void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx);
 void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
 void blk_mq_stop_hw_queues(struct request_queue *q);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8678c4322b44..4afa4f8f6090 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -98,7 +98,7 @@ struct request {
        struct list_head queuelist;
        union {
                struct call_single_data csd;
-                struct work_struct mq_flush_data;
+                struct work_struct mq_flush_work;
        };
        struct request_queue *q;
@@ -448,13 +448,8 @@ struct request_queue {
        unsigned long           flush_pending_since;
        struct list_head        flush_queue[2];
        struct list_head        flush_data_in_flight;
-        union {
+        struct request          *flush_rq;
-                struct request  flush_rq;
+        spinlock_t              mq_flush_lock;
-                struct {
-                        spinlock_t mq_flush_lock;
-                        struct work_struct mq_flush_work;
-                };
-        };
        struct mutex            sysfs_lock;
diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h
index 2f0543f7510c..f9bbbb472663 100644
--- a/include/linux/can/skb.h
+++ b/include/linux/can/skb.h
@@ -11,7 +11,9 @@
 #define CAN_SKB_H
 #include <linux/types.h>
+#include <linux/skbuff.h>
 #include <linux/can.h>
+#include <net/sock.h>
 /*
 * The struct can_skb_priv is used to transport additional information along
@@ -42,4 +44,40 @@ static inline void can_skb_reserve(struct sk_buff *skb)
        skb_reserve(skb, sizeof(struct can_skb_priv));
 }
+static inline void can_skb_destructor(struct sk_buff *skb)
+{
+        sock_put(skb->sk);
+}
+static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk)
+{
+        if (sk) {
+                sock_hold(sk);
+                skb->destructor = can_skb_destructor;
+                skb->sk = sk;
+        }
+}
+/*
+ * returns an unshared skb owned by the original sock to be echo'ed back
+ */
+static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb)
+{
+        if (skb_shared(skb)) {
+                struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC);
+                if (likely(nskb)) {
+                        can_skb_set_owner(nskb, skb->sk);
+                        consume_skb(skb);
+                        return nskb;
+                } else {
+                        kfree_skb(skb);
+                        return NULL;
+                }
+        }
+        /* we can assume to have an unshared skb with proper owner */
+        return skb;
+}
 #endif /* CAN_SKB_H */
diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index 2623cffc73a1..25bfb0eff772 100644
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -373,8 +373,9 @@ extern const char *ceph_mds_op_name(int op);
 /*
 * Ceph setxattr request flags.
 */
-#define CEPH_XATTR_CREATE  1
+#define CEPH_XATTR_CREATE  (1 << 0)
-#define CEPH_XATTR_REPLACE 2
+#define CEPH_XATTR_REPLACE (1 << 1)
+#define CEPH_XATTR_REMOVE  (1 << 31)
 union ceph_mds_request_args {
        struct {
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 5c097596104b..9450f025fe0c 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -166,6 +166,8 @@ struct cgroup {
         *
         * The ID of the root cgroup is always 0, and a new cgroup
         * will be assigned with a smallest available ID.
+         *
+         * Allocating/Removing ID must be protected by cgroup_mutex.
         */
        int id;
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index ded429966c1f..2507fd2a1eb4 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -75,11 +75,7 @@
 *
 * (asm goto is automatically volatile - the naming reflects this.)
 */
-#if GCC_VERSION <= 40801
+#define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0)
-# define asm_volatile_goto(x...)        do { asm goto(x); asm (""); } while (0)
-#else
-# define asm_volatile_goto(x...)        do { asm goto(x); } while (0)
-#endif
 #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
 #if GCC_VERSION >= 40400
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index dfac5ed31120..f886985a28b2 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -171,7 +171,7 @@ struct dma_buf *dma_buf_export_named(void *priv, const struct dma_buf_ops *ops,
                               size_t size, int flags, const char *);
 #define dma_buf_export(priv, ops, size, flags)  \
-        dma_buf_export_named(priv, ops, size, flags, __FILE__)
+        dma_buf_export_named(priv, ops, size, flags, KBUILD_MODNAME)
 int dma_buf_fd(struct dma_buf *dmabuf, int flags);
 struct dma_buf *dma_buf_get(int fd);
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 3d286ff49ab0..64cf3ef50696 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -99,7 +99,7 @@ struct fsnotify_ops {
                            struct fsnotify_mark *inode_mark,
                            struct fsnotify_mark *vfsmount_mark,
                            u32 mask, void *data, int data_type,
-                            const unsigned char *file_name);
+                            const unsigned char *file_name, u32 cookie);
        void (*free_group_priv)(struct fsnotify_group *group);
        void (*freeing_mark)(struct fsnotify_mark *mark, struct fsnotify_group *group);
        void (*free_event)(struct fsnotify_event *event);
@@ -160,7 +160,7 @@ struct fsnotify_group {
        struct fasync_struct *fsn_fa;    /* async notification */
-        struct fsnotify_event overflow_event;   /* Event we queue when the
+        struct fsnotify_event *overflow_event;  /* Event we queue when the
                                                 * notification list is too
                                                 * full */
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 4d34dbbbad4d..7a8144fef406 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -4,8 +4,6 @@
 #include <linux/err.h>
 #include <linux/kernel.h>
-#ifdef CONFIG_GPIOLIB
 struct device;
 struct gpio_chip;
@@ -18,6 +16,8 @@ struct gpio_chip;
 */
 struct gpio_desc;
+#ifdef CONFIG_GPIOLIB
 /* Acquire and dispose GPIOs */
 struct gpio_desc *__must_check gpiod_get(struct device *dev,
                                         const char *con_id);
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 15da677478dd..344883dce584 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -875,7 +875,7 @@ struct vmbus_channel_relid_released {
 struct vmbus_channel_initiate_contact {
        struct vmbus_channel_message_header header;
        u32 vmbus_version_requested;
-        u32 padding2;
+        u32 target_vcpu; /* The VCPU the host should respond to */
        u64 interrupt_page;
        u64 monitor_page1;
        u64 monitor_page2;
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 0053adde0ed9..a2678d35b5a2 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -158,6 +158,11 @@ devm_request_irq(struct device *dev, unsigned int irq, irq_handler_t handler,
                                         devname, dev_id);
 }
+extern int __must_check
+devm_request_any_context_irq(struct device *dev, unsigned int irq,
+                 irq_handler_t handler, unsigned long irqflags,
+                 const char *devname, void *dev_id);
 extern void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id);
 /*
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index e7831d203737..35e7eca4e33b 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -118,9 +118,7 @@ extern int mq_init_ns(struct ipc_namespace *ns);
 *     the new maximum will handle anyone else.  I may have to revisit this
 *     in the future.
 */
-#define MIN_QUEUESMAX                   1
 #define DFLT_QUEUESMAX                256
-#define HARD_QUEUESMAX               1024
 #define MIN_MSGMAX                      1
 #define DFLT_MSG                       10U
 #define DFLT_MSGMAX                    10
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index 5be9f0228a3b..d267623c28cf 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -249,7 +249,8 @@ void kernfs_notify(struct kernfs_node *kn);
 const void *kernfs_super_ns(struct super_block *sb);
 struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags,
-                               struct kernfs_root *root, const void *ns);
+                               struct kernfs_root *root, bool *new_sb_created,
+                               const void *ns);
 void kernfs_kill_sb(struct super_block *sb);
 void kernfs_init(void);
@@ -317,7 +318,7 @@ static inline const void *kernfs_super_ns(struct super_block *sb)
 static inline struct dentry *
 kernfs_mount_ns(struct file_system_type *fs_type, int flags,
-                struct kernfs_root *root, const void *ns)
+                struct kernfs_root *root, bool *new_sb_created, const void *ns)
 { return ERR_PTR(-ENOSYS); }
 static inline void kernfs_kill_sb(struct super_block *sb) { }
@@ -368,9 +369,9 @@ static inline int kernfs_remove_by_name(struct kernfs_node *parent,
 static inline struct dentry *
 kernfs_mount(struct file_system_type *fs_type, int flags,
-             struct kernfs_root *root)
+             struct kernfs_root *root, bool *new_sb_created)
 {
-        return kernfs_mount_ns(fs_type, flags, root, NULL);
+        return kernfs_mount_ns(fs_type, flags, root, new_sb_created, NULL);
 }
 #endif  /* __LINUX_KERNFS_H */
diff --git a/include/linux/mfd/max8997-private.h b/include/linux/mfd/max8997-private.h
index ad1ae7f345ad..78c76cd4d37b 100644
--- a/include/linux/mfd/max8997-private.h
+++ b/include/linux/mfd/max8997-private.h
@@ -387,7 +387,7 @@ struct max8997_dev {
        struct i2c_client *muic; /* slave addr 0x4a */
        struct mutex iolock;
-        int type;
+        unsigned long type;
        struct platform_device *battery; /* battery control (not fuel gauge) */
        int irq;
diff --git a/include/linux/mfd/max8998-private.h b/include/linux/mfd/max8998-private.h
index 4ecb24b4b863..d68ada502ff3 100644
--- a/include/linux/mfd/max8998-private.h
+++ b/include/linux/mfd/max8998-private.h
@@ -163,7 +163,7 @@ struct max8998_dev {
        int ono;
        u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
        u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
-        int type;
+        unsigned long type;
        bool wakeup;
 };
diff --git a/include/linux/mfd/tps65217.h b/include/linux/mfd/tps65217.h
index a5a7f0130e96..54b5458ec084 100644
--- a/include/linux/mfd/tps65217.h
+++ b/include/linux/mfd/tps65217.h
@@ -252,7 +252,7 @@ struct tps65217_board {
 struct tps65217 {
        struct device *dev;
        struct tps65217_board *pdata;
-        unsigned int id;
+        unsigned long id;
        struct regulator_desc desc[TPS65217_NUM_REGULATOR];
        struct regulator_dev *rdev[TPS65217_NUM_REGULATOR];
        struct regmap *regmap;
@@ -263,7 +263,7 @@ static inline struct tps65217 *dev_to_tps65217(struct device *dev)
        return dev_get_drvdata(dev);
 }
-static inline int tps65217_chip_id(struct tps65217 *tps65217)
+static inline unsigned long tps65217_chip_id(struct tps65217 *tps65217)
 {
        return tps65217->id;
 }
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 554548cd3dd4..130bc8d77fa5 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -38,8 +38,10 @@
 #include <linux/pci.h>
 #include <linux/spinlock_types.h>
 #include <linux/semaphore.h>
+#include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/radix-tree.h>
 #include <linux/mlx5/device.h>
 #include <linux/mlx5/doorbell.h>
@@ -227,6 +229,7 @@ struct mlx5_uuar_info {
         * protect uuar allocation data structs
         */
        struct mutex            lock;
+        u32                     ver;
 };
 struct mlx5_bf {
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 440a02ee6f92..e8eeebd49a98 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -752,6 +752,9 @@ struct netdev_phys_port_id {
        unsigned char id_len;
 };
+typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
+                                       struct sk_buff *skb);
 /*
 * This structure defines the management hooks for network devices.
 * The following hooks can be defined; unless noted otherwise, they are
@@ -783,7 +786,7 @@ struct netdev_phys_port_id {
 *      Required can not be NULL.
 *
 * u16 (*ndo_select_queue)(struct net_device *dev, struct sk_buff *skb,
- *                         void *accel_priv);
+ *                         void *accel_priv, select_queue_fallback_t fallback);
 *      Called to decide which queue to when device supports multiple
 *      transmit queues.
 *
@@ -1005,7 +1008,8 @@ struct net_device_ops {
                                                   struct net_device *dev);
        u16                     (*ndo_select_queue)(struct net_device *dev,
                                                    struct sk_buff *skb,
-                                                    void *accel_priv);
+                                                    void *accel_priv,
+                                                    select_queue_fallback_t fallback);
        void                    (*ndo_change_rx_flags)(struct net_device *dev,
                                                       int flags);
        void                    (*ndo_set_rx_mode)(struct net_device *dev);
@@ -1551,7 +1555,6 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev,
 struct netdev_queue *netdev_pick_tx(struct net_device *dev,
                                    struct sk_buff *skb,
                                    void *accel_priv);
-u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb);
 /*
 * Net namespace inlines
@@ -2276,6 +2279,26 @@ static inline void netdev_reset_queue(struct net_device *dev_queue)
 }
 /**
+ *      netdev_cap_txqueue - check if selected tx queue exceeds device queues
+ *      @dev: network device
+ *      @queue_index: given tx queue index
+ *
+ *      Returns 0 if given tx queue index >= number of device tx queues,
+ *      otherwise returns the originally passed tx queue index.
+ */
+static inline u16 netdev_cap_txqueue(struct net_device *dev, u16 queue_index)
+{
+        if (unlikely(queue_index >= dev->real_num_tx_queues)) {
+                net_warn_ratelimited("%s selects TX queue %d, but real number of TX queues is %d\n",
+                                     dev->name, queue_index,
+                                     dev->real_num_tx_queues);
+                return 0;
+        }
+        return queue_index;
+}
+/**
 *      netif_running - test if up
 *      @dev: network device
 *
@@ -3068,7 +3091,12 @@ void netdev_change_features(struct net_device *dev);
 void netif_stacked_transfer_operstate(const struct net_device *rootdev,
                                        struct net_device *dev);
-netdev_features_t netif_skb_features(struct sk_buff *skb);
+netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
+                                         const struct net_device *dev);
+static inline netdev_features_t netif_skb_features(struct sk_buff *skb)
+{
+        return netif_skb_dev_features(skb, skb->dev);
+}
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 {
diff --git a/include/linux/of.h b/include/linux/of.h
index 70c64ba17fa5..435cb995904d 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -169,35 +169,15 @@ static inline const char *of_node_full_name(const struct device_node *np)
 extern struct device_node *of_find_node_by_name(struct device_node *from,
        const char *name);
-#define for_each_node_by_name(dn, name) \
-        for (dn = of_find_node_by_name(NULL, name); dn; \
-             dn = of_find_node_by_name(dn, name))
 extern struct device_node *of_find_node_by_type(struct device_node *from,
        const char *type);
-#define for_each_node_by_type(dn, type) \
-        for (dn = of_find_node_by_type(NULL, type); dn; \
-             dn = of_find_node_by_type(dn, type))
 extern struct device_node *of_find_compatible_node(struct device_node *from,
        const char *type, const char *compat);
-#define for_each_compatible_node(dn, type, compatible) \
-        for (dn = of_find_compatible_node(NULL, type, compatible); dn; \
-             dn = of_find_compatible_node(dn, type, compatible))
 extern struct device_node *of_find_matching_node_and_match(
        struct device_node *from,
        const struct of_device_id *matches,
        const struct of_device_id **match);
-static inline struct device_node *of_find_matching_node(
-        struct device_node *from,
-        const struct of_device_id *matches)
-{
-        return of_find_matching_node_and_match(from, matches, NULL);
-}
-#define for_each_matching_node(dn, matches) \
-        for (dn = of_find_matching_node(NULL, matches); dn; \
-             dn = of_find_matching_node(dn, matches))
-#define for_each_matching_node_and_match(dn, matches, match) \
-        for (dn = of_find_matching_node_and_match(NULL, matches, match); \
-             dn; dn = of_find_matching_node_and_match(dn, matches, match))
 extern struct device_node *of_find_node_by_path(const char *path);
 extern struct device_node *of_find_node_by_phandle(phandle handle);
 extern struct device_node *of_get_parent(const struct device_node *node);
@@ -209,43 +189,11 @@ extern struct device_node *of_get_next_available_child(
 extern struct device_node *of_get_child_by_name(const struct device_node *node,
                                        const char *name);
-#define for_each_child_of_node(parent, child) \
-        for (child = of_get_next_child(parent, NULL); child != NULL; \
-             child = of_get_next_child(parent, child))
-#define for_each_available_child_of_node(parent, child) \
-        for (child = of_get_next_available_child(parent, NULL); child != NULL; \
-             child = of_get_next_available_child(parent, child))
-static inline int of_get_child_count(const struct device_node *np)
-{
-        struct device_node *child;
-        int num = 0;
-        for_each_child_of_node(np, child)
-                num++;
-        return num;
-}
-static inline int of_get_available_child_count(const struct device_node *np)
-{
-        struct device_node *child;
-        int num = 0;
-        for_each_available_child_of_node(np, child)
-                num++;
-        return num;
-}
 /* cache lookup */
 extern struct device_node *of_find_next_cache_node(const struct device_node *);
 extern struct device_node *of_find_node_with_property(
        struct device_node *from, const char *prop_name);
-#define for_each_node_with_property(dn, prop_name) \
-        for (dn = of_find_node_with_property(NULL, prop_name); dn; \
-             dn = of_find_node_with_property(dn, prop_name))
 extern struct property *of_find_property(const struct device_node *np,
                                         const char *name,
@@ -367,42 +315,53 @@ static inline struct device_node *of_find_node_by_name(struct device_node *from,
        return NULL;
 }
-static inline struct device_node *of_get_parent(const struct device_node *node)
+static inline struct device_node *of_find_node_by_type(struct device_node *from,
+        const char *type)
 {
        return NULL;
 }
-static inline bool of_have_populated_dt(void)
+static inline struct device_node *of_find_matching_node_and_match(
+        struct device_node *from,
+        const struct of_device_id *matches,
+        const struct of_device_id **match)
 {
-        return false;
+        return NULL;
 }
-/* Kill an unused variable warning on a device_node pointer */
+static inline struct device_node *of_get_parent(const struct device_node *node)
-static inline void __of_use_dn(const struct device_node *np)
 {
+        return NULL;
 }
-#define for_each_child_of_node(parent, child) \
+static inline struct device_node *of_get_next_child(
-        while (__of_use_dn(parent), __of_use_dn(child), 0)
+        const struct device_node *node, struct device_node *prev)
+{
+        return NULL;
+}
-#define for_each_available_child_of_node(parent, child) \
+static inline struct device_node *of_get_next_available_child(
-        while (0)
+        const struct device_node *node, struct device_node *prev)
+{
+        return NULL;
+}
-static inline struct device_node *of_get_child_by_name(
+static inline struct device_node *of_find_node_with_property(
-                                        const struct device_node *node,
+        struct device_node *from, const char *prop_name)
-                                        const char *name)
 {
        return NULL;
 }
-static inline int of_get_child_count(const struct device_node *np)
+static inline bool of_have_populated_dt(void)
 {
-        return 0;
+        return false;
 }
-static inline int of_get_available_child_count(const struct device_node *np)
+static inline struct device_node *of_get_child_by_name(
+                                        const struct device_node *node,
+                                        const char *name)
 {
-        return 0;
+        return NULL;
 }
 static inline int of_device_is_compatible(const struct device_node *device,
@@ -569,6 +528,13 @@ extern int of_node_to_nid(struct device_node *np);
 static inline int of_node_to_nid(struct device_node *device) { return 0; }
 #endif
+static inline struct device_node *of_find_matching_node(
+        struct device_node *from,
+        const struct of_device_id *matches)
+{
+        return of_find_matching_node_and_match(from, matches, NULL);
+}
 /**
 * of_property_read_bool - Findfrom a property
 * @np:         device node from which the property value is to be read.
@@ -618,6 +584,55 @@ static inline int of_property_read_u32(const struct device_node *np,
                s;                                              \
                s = of_prop_next_string(prop, s))
+#define for_each_node_by_name(dn, name) \
+        for (dn = of_find_node_by_name(NULL, name); dn; \
+             dn = of_find_node_by_name(dn, name))
+#define for_each_node_by_type(dn, type) \
+        for (dn = of_find_node_by_type(NULL, type); dn; \
+             dn = of_find_node_by_type(dn, type))
+#define for_each_compatible_node(dn, type, compatible) \
+        for (dn = of_find_compatible_node(NULL, type, compatible); dn; \
+             dn = of_find_compatible_node(dn, type, compatible))
+#define for_each_matching_node(dn, matches) \
+        for (dn = of_find_matching_node(NULL, matches); dn; \
+             dn = of_find_matching_node(dn, matches))
+#define for_each_matching_node_and_match(dn, matches, match) \
+        for (dn = of_find_matching_node_and_match(NULL, matches, match); \
+             dn; dn = of_find_matching_node_and_match(dn, matches, match))
+#define for_each_child_of_node(parent, child) \
+        for (child = of_get_next_child(parent, NULL); child != NULL; \
+             child = of_get_next_child(parent, child))
+#define for_each_available_child_of_node(parent, child) \
+        for (child = of_get_next_available_child(parent, NULL); child != NULL; \
+             child = of_get_next_available_child(parent, child))
+#define for_each_node_with_property(dn, prop_name) \
+        for (dn = of_find_node_with_property(NULL, prop_name); dn; \
+             dn = of_find_node_with_property(dn, prop_name))
+static inline int of_get_child_count(const struct device_node *np)
+{
+        struct device_node *child;
+        int num = 0;
+        for_each_child_of_node(np, child)
+                num++;
+        return num;
+}
+static inline int of_get_available_child_count(const struct device_node *np)
+{
+        struct device_node *child;
+        int num = 0;
+        for_each_available_child_of_node(np, child)
+                num++;
+        return num;
+}
 #if defined(CONFIG_PROC_FS) && defined(CONFIG_PROC_DEVICETREE)
 extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
 extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
diff --git a/include/linux/of_device.h b/include/linux/of_device.h
index 8d7dd6768cb7..ef370210ffb2 100644
--- a/include/linux/of_device.h
+++ b/include/linux/of_device.h
@@ -78,11 +78,13 @@ static inline int of_device_uevent_modalias(struct device *dev,
 static inline void of_device_node_put(struct device *dev) { }
-static inline const struct of_device_id *of_match_device(
+static inline const struct of_device_id *__of_match_device(
                const struct of_device_id *matches, const struct device *dev)
 {
        return NULL;
 }
+#define of_match_device(matches, dev)   \
+        __of_match_device(of_match_ptr(matches), (dev))
 static inline struct device_node *of_cpu_device_node_get(int cpu)
 {
diff --git a/include/linux/pci.h b/include/linux/pci.h
index fb57c892b214..33aa2caf0f0c 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1169,8 +1169,23 @@ void msi_remove_pci_irq_vectors(struct pci_dev *dev);
 void pci_restore_msi_state(struct pci_dev *dev);
 int pci_msi_enabled(void);
 int pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec);
+static inline int pci_enable_msi_exact(struct pci_dev *dev, int nvec)
+{
+        int rc = pci_enable_msi_range(dev, nvec, nvec);
+        if (rc < 0)
+                return rc;
+        return 0;
+}
 int pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries,
                          int minvec, int maxvec);
+static inline int pci_enable_msix_exact(struct pci_dev *dev,
+                                        struct msix_entry *entries, int nvec)
+{
+        int rc = pci_enable_msix_range(dev, entries, nvec, nvec);
+        if (rc < 0)
+                return rc;
+        return 0;
+}
 #else
 static inline int pci_msi_vec_count(struct pci_dev *dev) { return -ENOSYS; }
 static inline int pci_enable_msi_block(struct pci_dev *dev, int nvec)
@@ -1189,9 +1204,14 @@ static inline int pci_msi_enabled(void) { return 0; }
 static inline int pci_enable_msi_range(struct pci_dev *dev, int minvec,
                                       int maxvec)
 { return -ENOSYS; }
+static inline int pci_enable_msi_exact(struct pci_dev *dev, int nvec)
+{ return -ENOSYS; }
 static inline int pci_enable_msix_range(struct pci_dev *dev,
                      struct msix_entry *entries, int minvec, int maxvec)
 { return -ENOSYS; }
+static inline int pci_enable_msix_exact(struct pci_dev *dev,
+                      struct msix_entry *entries, int nvec)
+{ return -ENOSYS; }
 #endif
 #ifdef CONFIG_PCIEPORTBUS
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index e273e5ac19c9..3f83459dbb20 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -146,7 +146,9 @@ static inline void phy_set_bus_width(struct phy *phy, int bus_width)
        phy->attrs.bus_width = bus_width;
 }
 struct phy *phy_get(struct device *dev, const char *string);
+struct phy *phy_optional_get(struct device *dev, const char *string);
 struct phy *devm_phy_get(struct device *dev, const char *string);
+struct phy *devm_phy_optional_get(struct device *dev, const char *string);
 void phy_put(struct phy *phy);
 void devm_phy_put(struct device *dev, struct phy *phy);
 struct phy *of_phy_simple_xlate(struct device *dev,
@@ -232,11 +234,23 @@ static inline struct phy *phy_get(struct device *dev, const char *string)
        return ERR_PTR(-ENOSYS);
 }
+static inline struct phy *phy_optional_get(struct device *dev,
+                                           const char *string)
+{
+        return ERR_PTR(-ENOSYS);
+}
 static inline struct phy *devm_phy_get(struct device *dev, const char *string)
 {
        return ERR_PTR(-ENOSYS);
 }
+static inline struct phy *devm_phy_optional_get(struct device *dev,
+                                                const char *string)
+{
+        return ERR_PTR(-ENOSYS);
+}
 static inline void phy_put(struct phy *phy)
 {
 }
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index f589c9af8cbf..3ebbbe7b6d05 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2916,5 +2916,22 @@ static inline bool skb_head_is_locked(const struct sk_buff *skb)
 {
        return !skb->head_frag || skb_cloned(skb);
 }
+/**
+ * skb_gso_network_seglen - Return length of individual segments of a gso packet
+ *
+ * @skb: GSO skb
+ *
+ * skb_gso_network_seglen is used to determine the real size of the
+ * individual segments, including Layer3 (IP, IPv6) and L4 headers (TCP/UDP).
+ *
+ * The MAC/L2 header is not accounted for.
+ */
+static inline unsigned int skb_gso_network_seglen(const struct sk_buff *skb)
+{
+        unsigned int hdr_len = skb_transport_header(skb) -
+                               skb_network_header(skb);
+        return hdr_len + skb_gso_transport_seglen(skb);
+}
 #endif  /* __KERNEL__ */
 #endif  /* _LINUX_SKBUFF_H */
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 3834f43f9993..6ae004e437ea 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -188,6 +188,9 @@ static inline void kick_all_cpus_sync(void) {  }
 */
 extern void arch_disable_smp_support(void);
+extern void arch_enable_nonboot_cpus_begin(void);
+extern void arch_enable_nonboot_cpus_end(void);
 void smp_setup_processor_id(void);
 #endif /* __LINUX_SMP_H */
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index a1d4ca290862..4203c66d8803 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -273,7 +273,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
 *      message while queuing transfers that arrive in the meantime. When the
 *      driver is finished with this message, it must call
 *      spi_finalize_current_message() so the subsystem can issue the next
- *      transfer
+ *      message
 * @unprepare_transfer_hardware: there are currently no more messages on the
 *      queue so the subsystem notifies the driver that it may relax the
 *      hardware by issuing this call
@@ -287,7 +287,10 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
 *                  - return 1 if the transfer is still in progress. When
 *                    the driver is finished with this transfer it must
 *                    call spi_finalize_current_transfer() so the subsystem
- *                    can issue the next transfer
+ *                    can issue the next transfer. Note: transfer_one and
+ *                    transfer_one_message are mutually exclusive; when both
+ *                    are set, the generic subsystem does not call your
+ *                    transfer_one callback.
 * @unprepare_message: undo any work done by prepare_message().
 * @cs_gpios: Array of GPIOs to use as chip select lines; one per CS
 *      number. Any individual value may be -ENOENT for CS lines that
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 40ed9e9a77e5..a747a77ea584 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -281,13 +281,15 @@ asmlinkage long sys_sched_setscheduler(pid_t pid, int policy,
 asmlinkage long sys_sched_setparam(pid_t pid,
                                        struct sched_param __user *param);
 asmlinkage long sys_sched_setattr(pid_t pid,
-                                        struct sched_attr __user *attr);
+                                        struct sched_attr __user *attr,
+                                        unsigned int flags);
 asmlinkage long sys_sched_getscheduler(pid_t pid);
 asmlinkage long sys_sched_getparam(pid_t pid,
                                        struct sched_param __user *param);
 asmlinkage long sys_sched_getattr(pid_t pid,
                                        struct sched_attr __user *attr,
-                                        unsigned int size);
+                                        unsigned int size,
+                                        unsigned int flags);
 asmlinkage long sys_sched_setaffinity(pid_t pid, unsigned int len,
                                        unsigned long __user *user_mask_ptr);
 asmlinkage long sys_sched_getaffinity(pid_t pid, unsigned int len,
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index e32251e00e62..edff2b97b864 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -126,6 +126,7 @@ extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
 extern int  arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
 extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
 extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
+extern bool __weak arch_uprobe_ignore(struct arch_uprobe *aup, struct pt_regs *regs);
 #else /* !CONFIG_UPROBES */
 struct uprobes_state {
 };
diff --git a/include/linux/usb.h b/include/linux/usb.h
index c716da18c668..7f6eb859873e 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1265,8 +1265,6 @@ typedef void (*usb_complete_t)(struct urb *);
 * @sg: scatter gather buffer list, the buffer size of each element in
 *      the list (except the last) must be divisible by the endpoint's
 *      max packet size if no_sg_constraint isn't set in 'struct usb_bus'
- *      (FIXME: scatter-gather under xHCI is broken for periodic transfers.
- *      Do not use urb->sg for interrupt endpoints for now, only bulk.)
 * @num_mapped_sgs: (internal) number of mapped sg entries
 * @num_sgs: number of entries in the sg list
 * @transfer_buffer_length: How big is transfer_buffer.  The transfer may
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 594521ba0d43..704f4f652d0a 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -419,10 +419,7 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active,
        static struct lock_class_key __key;                             \
        const char *__lock_name;                                        \
                                                                        \
-        if (__builtin_constant_p(fmt))                                  \
+        __lock_name = #fmt#args;                                        \
-                __lock_name = (fmt);                                    \
-        else                                                            \
-                __lock_name = #fmt;                                     \
                                                                        \
        __alloc_workqueue_key((fmt), (flags), (max_active),             \
                              &__key, __lock_name, ##args);             \
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index fc0e4320aa6d..021b8a319b9e 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -97,7 +97,7 @@ void writeback_inodes_sb_nr(struct super_block *, unsigned long nr,
 int try_to_writeback_inodes_sb(struct super_block *, enum wb_reason reason);
 int try_to_writeback_inodes_sb_nr(struct super_block *, unsigned long nr,
                                  enum wb_reason reason);
-void sync_inodes_sb(struct super_block *sb, unsigned long older_than_this);
+void sync_inodes_sb(struct super_block *);
 void wakeup_flusher_threads(long nr_pages, enum wb_reason reason);
 void inode_wait_for_writeback(struct inode *inode);