32 files changed, 216 insertions, 32 deletions

diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 2dd405c9be78..45c39a37f924 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -186,6 +186,7 @@
         {0x1002, 0x6658, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
         {0x1002, 0x665c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
         {0x1002, 0x665d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
+        {0x1002, 0x665f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_BONAIRE|RADEON_NEW_MEMMAP}, \
         {0x1002, 0x6660, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
         {0x1002, 0x6663, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
         {0x1002, 0x6664, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HAINAN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index a1b25e35ea5f..b7299febc4b4 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -220,7 +220,7 @@ enum rq_flag_bits {
 
 /* This mask is used for both bio and request merge checking */
 #define REQ_NOMERGE_FLAGS \
-        (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA)
+        (REQ_NOMERGE | REQ_STARTED | REQ_SOFTBARRIER | REQ_FLUSH | REQ_FUA | REQ_FLUSH_SEQ)
 
 #define REQ_RAHEAD              (1ULL << __REQ_RAHEAD)
 #define REQ_THROTTLED           (1ULL << __REQ_THROTTLED)
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index cdf13ca7cac3..371e560d13cf 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -9,10 +9,24 @@
                    + __GNUC_MINOR__ * 100 \
                    + __GNUC_PATCHLEVEL__)
 
-
 /* Optimization barrier */
+
 /* The "volatile" is due to gcc bugs */
 #define barrier() __asm__ __volatile__("": : :"memory")
+/*
+ * This version is i.e. to prevent dead stores elimination on @ptr
+ * where gcc and llvm may behave differently when otherwise using
+ * normal barrier(): while gcc behavior gets along with a normal
+ * barrier(), llvm needs an explicit input variable to be assumed
+ * clobbered. The issue is as follows: while the inline asm might
+ * access any memory it wants, the compiler could have fit all of
+ * @ptr into memory registers instead, and since @ptr never escaped
+ * from that, it proofed that the inline asm wasn't touching any of
+ * it. This version works well with both compilers, i.e. we're telling
+ * the compiler that the inline asm absolutely may see the contents
+ * of @ptr. See also: https://llvm.org/bugs/show_bug.cgi?id=15495
+ */
+#define barrier_data(ptr) __asm__ __volatile__("": :"r"(ptr) :"memory")
 
 /*
  * This macro obfuscates arithmetic on a variable address so that gcc
diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h
index ba147a1727e6..0c9a2f2c2802 100644
--- a/include/linux/compiler-intel.h
+++ b/include/linux/compiler-intel.h
@@ -13,9 +13,12 @@
 /* Intel ECC compiler doesn't support gcc specific asm stmts.
  * It uses intrinsics to do the equivalent things.
  */
+#undef barrier_data
 #undef RELOC_HIDE
 #undef OPTIMIZER_HIDE_VAR
 
+#define barrier_data(ptr) barrier()
+
 #define RELOC_HIDE(ptr, off)                                    \
   ({ unsigned long __ptr;                                       \
      __ptr = (unsigned long) (ptr);                             \
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 0e41ca0e5927..867722591be2 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -169,6 +169,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect);
 # define barrier() __memory_barrier()
 #endif
 
+#ifndef barrier_data
+# define barrier_data(ptr) barrier()
+#endif
+
 /* Unreachable code */
 #ifndef unreachable
 # define unreachable() do { } while (1)
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 46e83c2156c6..f9ecf63d47f1 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -46,7 +46,7 @@ const char *ftrace_print_hex_seq(struct trace_seq *p,
                                  const unsigned char *buf, int len);
 
 const char *ftrace_print_array_seq(struct trace_seq *p,
-                                   const void *buf, int buf_len,
+                                   const void *buf, int count,
                                    size_t el_size);
 
 struct trace_iterator;
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 97a9373e61e8..15928f0647e4 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -30,6 +30,7 @@ struct vm_area_struct;
 #define ___GFP_HARDWALL         0x20000u
 #define ___GFP_THISNODE         0x40000u
 #define ___GFP_RECLAIMABLE      0x80000u
+#define ___GFP_NOACCOUNT        0x100000u
 #define ___GFP_NOTRACK          0x200000u
 #define ___GFP_NO_KSWAPD        0x400000u
 #define ___GFP_OTHER_NODE       0x800000u
@@ -87,6 +88,7 @@ struct vm_area_struct;
 #define __GFP_HARDWALL   ((__force gfp_t)___GFP_HARDWALL) /* Enforce hardwall cpuset memory allocs */
 #define __GFP_THISNODE  ((__force gfp_t)___GFP_THISNODE)/* No fallback, no policies */
 #define __GFP_RECLAIMABLE ((__force gfp_t)___GFP_RECLAIMABLE) /* Page is reclaimable */
+#define __GFP_NOACCOUNT ((__force gfp_t)___GFP_NOACCOUNT) /* Don't account to kmemcg */
 #define __GFP_NOTRACK   ((__force gfp_t)___GFP_NOTRACK)  /* Don't track with kmemcheck */
 
 #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD)
diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h
index 36ec4ae74634..9de976b4f9a7 100644
--- a/include/linux/irqchip/arm-gic.h
+++ b/include/linux/irqchip/arm-gic.h
@@ -95,8 +95,6 @@
 
 struct device_node;
 
-extern struct irq_chip gic_arch_extn;
-
 void gic_set_irqchip_flags(unsigned long flags);
 void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *,
                     u32 offset, struct device_node *);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 8dad4a307bb8..28aeae46f355 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -205,6 +205,7 @@ enum {
         ATA_LFLAG_SW_ACTIVITY   = (1 << 7), /* keep activity stats */
         ATA_LFLAG_NO_LPM        = (1 << 8), /* disable LPM on this link */
         ATA_LFLAG_RST_ONCE      = (1 << 9), /* limit recovery to one reset */
+        ATA_LFLAG_CHANGED       = (1 << 10), /* LPM state changed on this link */
 
         /* struct ata_port flags */
         ATA_FLAG_SLAVE_POSS     = (1 << 0), /* host supports slave dev */
@@ -309,6 +310,12 @@ enum {
          */
         ATA_TMOUT_PMP_SRST_WAIT = 5000,
 
+        /* When the LPM policy is set to ATA_LPM_MAX_POWER, there might
+         * be a spurious PHY event, so ignore the first PHY event that
+         * occurs within 10s after the policy change.
+         */
+        ATA_TMOUT_SPURIOUS_PHY  = 10000,
+
         /* ATA bus states */
         BUS_UNKNOWN             = 0,
         BUS_DMA                 = 1,
@@ -788,6 +795,8 @@ struct ata_link {
         struct ata_eh_context   eh_context;
 
         struct ata_device       device[ATA_MAX_DEVICES];
+
+        unsigned long           last_lpm_change; /* when last LPM change happened */
 };
 #define ATA_LINK_CLEAR_BEGIN            offsetof(struct ata_link, active_tag)
 #define ATA_LINK_CLEAR_END              offsetof(struct ata_link, device[0])
@@ -1201,6 +1210,7 @@ extern struct ata_device *ata_dev_pair(struct ata_device *adev);
 extern int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
 extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
 extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_head *eh_q);
+extern bool sata_lpm_ignore_phy_events(struct ata_link *link);
 
 extern int ata_cable_40wire(struct ata_port *ap);
 extern int ata_cable_80wire(struct ata_port *ap);
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 72dff5fb0d0c..6c8918114804 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -463,6 +463,8 @@ memcg_kmem_newpage_charge(gfp_t gfp, struct mem_cgroup **memcg, int order)
         if (!memcg_kmem_enabled())
                 return true;
 
+        if (gfp & __GFP_NOACCOUNT)
+                return true;
         /*
          * __GFP_NOFAIL allocations will move on even if charging is not
          * possible. Therefore we don't even try, and have this allocation
@@ -522,6 +524,8 @@ memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp)
 {
         if (!memcg_kmem_enabled())
                 return cachep;
+        if (gfp & __GFP_NOACCOUNT)
+                return cachep;
         if (gfp & __GFP_NOFAIL)
                 return cachep;
         if (in_interrupt() || (!current->mm) || (current->flags & PF_KTHREAD))
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1899c74a7127..05b9a694e213 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -25,7 +25,6 @@
 #ifndef _LINUX_NETDEVICE_H
 #define _LINUX_NETDEVICE_H
 
-#include <linux/pm_qos.h>
 #include <linux/timer.h>
 #include <linux/bug.h>
 #include <linux/delay.h>
@@ -1499,8 +1498,6 @@ enum netdev_priv_flags {
  *
  *      @qdisc_tx_busylock:     XXX: need comments on this one
  *
- *      @pm_qos_req:    Power Management QoS object
- *
  *      FIXME: cleanup struct net_device such that network protocol info
  *      moves out.
  */
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index ff3fea3194c6..9abb763e4b86 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -460,7 +460,7 @@ struct nilfs_btree_node {
 /* level */
 #define NILFS_BTREE_LEVEL_DATA          0
 #define NILFS_BTREE_LEVEL_NODE_MIN      (NILFS_BTREE_LEVEL_DATA + 1)
-#define NILFS_BTREE_LEVEL_MAX           14
+#define NILFS_BTREE_LEVEL_MAX           14      /* Max level (exclusive) */
 
 /**
  * struct nilfs_palloc_group_desc - block group descriptor
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 38cff8f6716d..2f7b9a40f627 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2541,10 +2541,6 @@
 
 #define PCI_VENDOR_ID_INTEL             0x8086
 #define PCI_DEVICE_ID_INTEL_EESSC       0x0008
-#define PCI_DEVICE_ID_INTEL_SNB_IMC     0x0100
-#define PCI_DEVICE_ID_INTEL_IVB_IMC     0x0154
-#define PCI_DEVICE_ID_INTEL_IVB_E3_IMC  0x0150
-#define PCI_DEVICE_ID_INTEL_HSW_IMC     0x0c00
 #define PCI_DEVICE_ID_INTEL_PXHD_0      0x0320
 #define PCI_DEVICE_ID_INTEL_PXHD_1      0x0321
 #define PCI_DEVICE_ID_INTEL_PXH_0       0x0329
diff --git a/include/linux/sched/rt.h b/include/linux/sched/rt.h
index 6341f5be6e24..a30b172df6e1 100644
--- a/include/linux/sched/rt.h
+++ b/include/linux/sched/rt.h
@@ -18,7 +18,7 @@ static inline int rt_task(struct task_struct *p)
 #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 int rt_mutex_check_prio(struct task_struct *task, int newprio);
+extern int rt_mutex_get_effective_prio(struct task_struct *task, int newprio);
 extern struct task_struct *rt_mutex_get_top_task(struct task_struct *task);
 extern void rt_mutex_adjust_pi(struct task_struct *p);
 static inline bool tsk_is_pi_blocked(struct task_struct *tsk)
@@ -31,9 +31,10 @@ static inline int rt_mutex_getprio(struct task_struct *p)
         return p->normal_prio;
 }
 
-static inline int rt_mutex_check_prio(struct task_struct *task, int newprio)
+static inline int rt_mutex_get_effective_prio(struct task_struct *task,
+                                              int newprio)
 {
-        return 0;
+        return newprio;
 }
 
 static inline struct task_struct *rt_mutex_get_top_task(struct task_struct *task)
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 0caa3a2d4106..3b2911502a8c 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -145,11 +145,19 @@ struct tcp_sock {
  *      read the code and the spec side by side (and laugh ...)
  *      See RFC793 and RFC1122. The RFC writes these in capitals.
  */
+        u64     bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived
+                                 * sum(delta(rcv_nxt)), or how many bytes
+                                 * were acked.
+                                 */
         u32     rcv_nxt;        /* What we want to receive next         */
         u32     copied_seq;     /* Head of yet unread data              */
         u32     rcv_wup;        /* rcv_nxt on last window update sent   */
         u32     snd_nxt;        /* Next sequence we send                */
 
+        u64     bytes_acked;    /* RFC4898 tcpEStatsAppHCThruOctetsAcked
+                                 * sum(delta(snd_una)), or how many bytes
+                                 * were acked.
+                                 */
         u32     snd_una;        /* First byte we want an ack for        */
         u32     snd_sml;        /* Last byte of the most recently transmitted small packet */
         u32     rcv_tstamp;     /* timestamp of last received ACK (for keepalives) */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index fe5623c9af71..d76631f615c2 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -339,6 +339,7 @@ struct tty_file_private {
 #define TTY_EXCLUSIVE           3       /* Exclusive open mode */
 #define TTY_DEBUG               4       /* Debugging */
 #define TTY_DO_WRITE_WAKEUP     5       /* Call write_wakeup after queuing new */
+#define TTY_OTHER_DONE          6       /* Closed pty has completed input processing */
 #define TTY_LDISC_OPEN          11      /* Line discipline is open */
 #define TTY_PTY_LOCK            16      /* pty private */
 #define TTY_NO_WRITE_SPLIT      17      /* Preserve write boundaries to driver */
@@ -462,7 +463,6 @@ extern int tty_hung_up_p(struct file *filp);
 extern void do_SAK(struct tty_struct *tty);
 extern void __do_SAK(struct tty_struct *tty);
 extern void no_tty(void);
-extern void tty_flush_to_ldisc(struct tty_struct *tty);
 extern void tty_buffer_free_all(struct tty_port *port);
 extern void tty_buffer_flush(struct tty_struct *tty, struct tty_ldisc *ld);
 extern void tty_buffer_init(struct tty_port *port);
diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h
index 0ee05da38899..03835522dfcb 100644
--- a/include/linux/uidgid.h
+++ b/include/linux/uidgid.h
@@ -109,12 +109,12 @@ static inline bool gid_lte(kgid_t left, kgid_t right)
 
 static inline bool uid_valid(kuid_t uid)
 {
-        return !uid_eq(uid, INVALID_UID);
+        return __kuid_val(uid) != (uid_t) -1;
 }
 
 static inline bool gid_valid(kgid_t gid)
 {
-        return !gid_eq(gid, INVALID_GID);
+        return __kgid_val(gid) != (gid_t) -1;
 }
 
 #ifdef CONFIG_USER_NS
diff --git a/include/linux/util_macros.h b/include/linux/util_macros.h
index d5f4fb69dba3..f9b2ce58039b 100644
--- a/include/linux/util_macros.h
+++ b/include/linux/util_macros.h
@@ -5,7 +5,7 @@
 ({                                                                      \
         typeof(as) __fc_i, __fc_as = (as) - 1;                          \
         typeof(x) __fc_x = (x);                                         \
-        typeof(*a) *__fc_a = (a);                                       \
+        typeof(*a) const *__fc_a = (a);                                 \
         for (__fc_i = 0; __fc_i < __fc_as; __fc_i++) {                  \
                 if (__fc_x op DIV_ROUND_CLOSEST(__fc_a[__fc_i] +        \
                                                 __fc_a[__fc_i + 1], 2)) \
diff --git a/include/net/cfg802154.h b/include/net/cfg802154.h
index eeda67652766..6ea16c84293b 100644
--- a/include/net/cfg802154.h
+++ b/include/net/cfg802154.h
@@ -30,11 +30,13 @@ struct wpan_phy_cca;
 struct cfg802154_ops {
         struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
                                                            const char *name,
+                                                           unsigned char name_assign_type,
                                                            int type);
         void    (*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
                                                struct net_device *dev);
         int     (*add_virtual_intf)(struct wpan_phy *wpan_phy,
                                     const char *name,
+                                    unsigned char name_assign_type,
                                     enum nl802154_iftype type,
                                     __le64 extended_addr);
         int     (*del_virtual_intf)(struct wpan_phy *wpan_phy,
diff --git a/include/net/codel.h b/include/net/codel.h
index aeee28081245..1e18005f7f65 100644
--- a/include/net/codel.h
+++ b/include/net/codel.h
@@ -120,11 +120,13 @@ static inline u32 codel_time_to_us(codel_time_t val)
  * struct codel_params - contains codel parameters
  * @target:     target queue size (in time units)
  * @interval:   width of moving time window
+ * @mtu:        device mtu, or minimal queue backlog in bytes.
  * @ecn:        is Explicit Congestion Notification enabled
  */
 struct codel_params {
         codel_time_t    target;
         codel_time_t    interval;
+        u32             mtu;
         bool            ecn;
 };
 
@@ -166,10 +168,12 @@ struct codel_stats {
         u32             ecn_mark;
 };
 
-static void codel_params_init(struct codel_params *params)
+static void codel_params_init(struct codel_params *params,
+                              const struct Qdisc *sch)
 {
         params->interval = MS2TIME(100);
         params->target = MS2TIME(5);
+        params->mtu = psched_mtu(qdisc_dev(sch));
         params->ecn = false;
 }
 
@@ -180,7 +184,7 @@ static void codel_vars_init(struct codel_vars *vars)
 
 static void codel_stats_init(struct codel_stats *stats)
 {
-        stats->maxpacket = 256;
+        stats->maxpacket = 0;
 }
 
 /*
@@ -234,7 +238,7 @@ static bool codel_should_drop(const struct sk_buff *skb,
                 stats->maxpacket = qdisc_pkt_len(skb);
 
         if (codel_time_before(vars->ldelay, params->target) ||
-            sch->qstats.backlog <= stats->maxpacket) {
+            sch->qstats.backlog <= params->mtu) {
                 /* went below - stay below for at least interval */
                 vars->first_above_time = 0;
                 return false;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index b4bef1152c05..8e3668b44c29 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1666,6 +1666,8 @@ struct ieee80211_tx_control {
  * @sta: station table entry, %NULL for per-vif queue
  * @tid: the TID for this queue (unused for per-vif queue)
  * @ac: the AC for this queue
+ * @drv_priv: data area for driver use, will always be aligned to
+ *      sizeof(void *).
  *
  * The driver can obtain packets from this queue by calling
  * ieee80211_tx_dequeue().
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index e18e7fd43f47..7df28a4c23f9 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -247,19 +247,109 @@ static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
         __put_unaligned_memmove64(swab64p(le64_src), be64_dst);
 }
 
-/* Basic interface to register ieee802154 device */
+/**
+ * ieee802154_alloc_hw - Allocate a new hardware device
+ *
+ * This must be called once for each hardware device. The returned pointer
+ * must be used to refer to this device when calling other functions.
+ * mac802154 allocates a private data area for the driver pointed to by
+ * @priv in &struct ieee802154_hw, the size of this area is given as
+ * @priv_data_len.
+ *
+ * @priv_data_len: length of private data
+ * @ops: callbacks for this device
+ *
+ * Return: A pointer to the new hardware device, or %NULL on error.
+ */
 struct ieee802154_hw *
 ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops);
+
+/**
+ * ieee802154_free_hw - free hardware descriptor
+ *
+ * This function frees everything that was allocated, including the
+ * private data for the driver. You must call ieee802154_unregister_hw()
+ * before calling this function.
+ *
+ * @hw: the hardware to free
+ */
 void ieee802154_free_hw(struct ieee802154_hw *hw);
+
+/**
+ * ieee802154_register_hw - Register hardware device
+ *
+ * You must call this function before any other functions in
+ * mac802154. Note that before a hardware can be registered, you
+ * need to fill the contained wpan_phy's information.
+ *
+ * @hw: the device to register as returned by ieee802154_alloc_hw()
+ *
+ * Return: 0 on success. An error code otherwise.
+ */
 int ieee802154_register_hw(struct ieee802154_hw *hw);
+
+/**
+ * ieee802154_unregister_hw - Unregister a hardware device
+ *
+ * This function instructs mac802154 to free allocated resources
+ * and unregister netdevices from the networking subsystem.
+ *
+ * @hw: the hardware to unregister
+ */
 void ieee802154_unregister_hw(struct ieee802154_hw *hw);
 
+/**
+ * ieee802154_rx - receive frame
+ *
+ * Use this function to hand received frames to mac802154. The receive
+ * buffer in @skb must start with an IEEE 802.15.4 header. In case of a
+ * paged @skb is used, the driver is recommended to put the ieee802154
+ * header of the frame on the linear part of the @skb to avoid memory
+ * allocation and/or memcpy by the stack.
+ *
+ * This function may not be called in IRQ context. Calls to this function
+ * for a single hardware must be synchronized against each other.
+ *
+ * @hw: the hardware this frame came in on
+ * @skb: the buffer to receive, owned by mac802154 after this call
+ */
 void ieee802154_rx(struct ieee802154_hw *hw, struct sk_buff *skb);
+
+/**
+ * ieee802154_rx_irqsafe - receive frame
+ *
+ * Like ieee802154_rx() but can be called in IRQ context
+ * (internally defers to a tasklet.)
+ *
+ * @hw: the hardware this frame came in on
+ * @skb: the buffer to receive, owned by mac802154 after this call
+ * @lqi: link quality indicator
+ */
 void ieee802154_rx_irqsafe(struct ieee802154_hw *hw, struct sk_buff *skb,
                            u8 lqi);
-
+/**
+ * ieee802154_wake_queue - wake ieee802154 queue
+ * @hw: pointer as obtained from ieee802154_alloc_hw().
+ *
+ * Drivers should use this function instead of netif_wake_queue.
+ */
 void ieee802154_wake_queue(struct ieee802154_hw *hw);
+
+/**
+ * ieee802154_stop_queue - stop ieee802154 queue
+ * @hw: pointer as obtained from ieee802154_alloc_hw().
+ *
+ * Drivers should use this function instead of netif_stop_queue.
+ */
 void ieee802154_stop_queue(struct ieee802154_hw *hw);
+
+/**
+ * ieee802154_xmit_complete - frame transmission complete
+ *
+ * @hw: pointer as obtained from ieee802154_alloc_hw().
+ * @skb: buffer for transmission
+ * @ifs_handling: indicate interframe space handling
+ */
 void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb,
                               bool ifs_handling);
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 051dc5c2802d..6d204f3f9df8 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -576,7 +576,7 @@ static inline int tcp_bound_to_half_wnd(struct tcp_sock *tp, int pktsize)
 }
 
 /* tcp.c */
-void tcp_get_info(const struct sock *, struct tcp_info *);
+void tcp_get_info(struct sock *, struct tcp_info *);
 
 /* Read 'sendfile()'-style from a TCP socket */
 typedef int (*sk_read_actor_t)(read_descriptor_t *, struct sk_buff *,
@@ -804,6 +804,8 @@ enum tcp_ca_ack_event_flags {
 /* Requires ECN/ECT set on all packets */
 #define TCP_CONG_NEEDS_ECN      0x2
 
+union tcp_cc_info;
+
 struct tcp_congestion_ops {
         struct list_head        list;
         u32 key;
@@ -829,7 +831,8 @@ struct tcp_congestion_ops {
         /* hook for packet ack accounting (optional) */
         void (*pkts_acked)(struct sock *sk, u32 num_acked, s32 rtt_us);
         /* get info for inet_diag (optional) */
-        int (*get_info)(struct sock *sk, u32 ext, struct sk_buff *skb);
+        size_t (*get_info)(struct sock *sk, u32 ext, int *attr,
+                           union tcp_cc_info *info);
 
         char            name[TCP_CA_NAME_MAX];
         struct module   *owner;
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index ce55906b54a0..ac54c27a2bfd 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -160,7 +160,7 @@ static inline int rdma_ip2gid(struct sockaddr *addr, union ib_gid *gid)
 }
 
 /* Important - sockaddr should be a union of sockaddr_in and sockaddr_in6 */
-static inline int rdma_gid2ip(struct sockaddr *out, union ib_gid *gid)
+static inline void rdma_gid2ip(struct sockaddr *out, union ib_gid *gid)
 {
         if (ipv6_addr_v4mapped((struct in6_addr *)gid)) {
                 struct sockaddr_in *out_in = (struct sockaddr_in *)out;
@@ -173,7 +173,6 @@ static inline int rdma_gid2ip(struct sockaddr *out, union ib_gid *gid)
                 out_in->sin6_family = AF_INET6;
                 memcpy(&out_in->sin6_addr.s6_addr, gid->raw, 16);
         }
-        return 0;
 }
 
 static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr,
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 0e3ff30647d5..39ed2d2fbd51 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -105,7 +105,8 @@ enum ib_cm_data_size {
         IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE = 216,
         IB_CM_SIDR_REP_PRIVATE_DATA_SIZE = 136,
         IB_CM_SIDR_REP_INFO_LENGTH       = 72,
-        IB_CM_COMPARE_SIZE               = 64
+        /* compare done u32 at a time */
+        IB_CM_COMPARE_SIZE               = (64 / sizeof(u32))
 };
 
 struct ib_cm_id;
@@ -337,8 +338,8 @@ void ib_destroy_cm_id(struct ib_cm_id *cm_id);
 #define IB_SDP_SERVICE_ID_MASK  cpu_to_be64(0xFFFFFFFFFFFF0000ULL)
 
 struct ib_cm_compare_data {
-        u8  data[IB_CM_COMPARE_SIZE];
-        u8  mask[IB_CM_COMPARE_SIZE];
+        u32  data[IB_CM_COMPARE_SIZE];
+        u32  mask[IB_CM_COMPARE_SIZE];
 };
 
 /**
diff --git a/include/rdma/iw_portmap.h b/include/rdma/iw_portmap.h
index 928b2775e992..fda31673a562 100644
--- a/include/rdma/iw_portmap.h
+++ b/include/rdma/iw_portmap.h
@@ -148,6 +148,16 @@ int iwpm_add_mapping_cb(struct sk_buff *, struct netlink_callback *);
 int iwpm_add_and_query_mapping_cb(struct sk_buff *, struct netlink_callback *);
 
 /**
+ * iwpm_remote_info_cb - Process remote connecting peer address info, which
+ *                       the port mapper has received from the connecting peer
+ *
+ * @cb: Contains the received message (payload and netlink header)
+ *
+ * Stores the IPv4/IPv6 address info in a hash table
+ */
+int iwpm_remote_info_cb(struct sk_buff *, struct netlink_callback *);
+
+/**
  * iwpm_mapping_error_cb - Process port mapper notification for error
  *
  * @skb:
@@ -175,6 +185,21 @@ int iwpm_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
 int iwpm_ack_mapping_info_cb(struct sk_buff *, struct netlink_callback *);
 
 /**
+ * iwpm_get_remote_info - Get the remote connecting peer address info
+ *
+ * @mapped_loc_addr: Mapped local address of the listening peer
+ * @mapped_rem_addr: Mapped remote address of the connecting peer
+ * @remote_addr: To store the remote address of the connecting peer
+ * @nl_client: The index of the netlink client
+ *
+ * The remote address info is retrieved and provided to the client in
+ * the remote_addr. After that it is removed from the hash table
+ */
+int iwpm_get_remote_info(struct sockaddr_storage *mapped_loc_addr,
+                        struct sockaddr_storage *mapped_rem_addr,
+                        struct sockaddr_storage *remote_addr, u8 nl_client);
+
+/**
  * iwpm_create_mapinfo - Store local and mapped IPv4/IPv6 address
  *                       info in a hash table
  * @local_addr: Local ip/tcp address
diff --git a/include/uapi/linux/inet_diag.h b/include/uapi/linux/inet_diag.h
index d65c0a09efd3..c7093c75bdd6 100644
--- a/include/uapi/linux/inet_diag.h
+++ b/include/uapi/linux/inet_diag.h
@@ -143,4 +143,8 @@ struct tcp_dctcp_info {
         __u32   dctcp_ab_tot;
 };
 
+union tcp_cc_info {
+        struct tcpvegas_info    vegas;
+        struct tcp_dctcp_info   dctcp;
+};
 #endif /* _UAPI_INET_DIAG_H_ */
diff --git a/include/uapi/linux/mpls.h b/include/uapi/linux/mpls.h
index bc9abfe88c9a..139d4dd1cab8 100644
--- a/include/uapi/linux/mpls.h
+++ b/include/uapi/linux/mpls.h
@@ -31,4 +31,14 @@ struct mpls_label {
 #define MPLS_LS_TTL_MASK        0x000000FF
 #define MPLS_LS_TTL_SHIFT       0
 
+/* Reserved labels */
+#define MPLS_LABEL_IPV4NULL             0 /* RFC3032 */
+#define MPLS_LABEL_RTALERT              1 /* RFC3032 */
+#define MPLS_LABEL_IPV6NULL             2 /* RFC3032 */
+#define MPLS_LABEL_IMPLNULL             3 /* RFC3032 */
+#define MPLS_LABEL_ENTROPY              7 /* RFC6790 */
+#define MPLS_LABEL_GAL                  13 /* RFC5586 */
+#define MPLS_LABEL_OAMALERT             14 /* RFC3429 */
+#define MPLS_LABEL_EXTENSION            15 /* RFC7274 */
+
 #endif /* _UAPI_MPLS_H */
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h
index 3b9718328d8b..faa72f4fa547 100644
--- a/include/uapi/linux/tcp.h
+++ b/include/uapi/linux/tcp.h
@@ -112,6 +112,7 @@ enum {
 #define TCP_FASTOPEN            23      /* Enable FastOpen on listeners */
 #define TCP_TIMESTAMP           24
 #define TCP_NOTSENT_LOWAT       25      /* limit number of unsent bytes in write queue */
+#define TCP_CC_INFO             26      /* Get Congestion Control (optional) info */
 
 struct tcp_repair_opt {
         __u32   opt_code;
@@ -189,6 +190,8 @@ struct tcp_info {
 
         __u64   tcpi_pacing_rate;
         __u64   tcpi_max_pacing_rate;
+        __u64   tcpi_bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked */
+        __u64   tcpi_bytes_received; /* RFC4898 tcpEStatsAppHCThruOctetsReceived */
 };
 
 /* for TCP_MD5SIG socket option */
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index de69170a30ce..6e4bb4270ca2 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -37,6 +37,7 @@ enum {
         RDMA_NL_IWPM_ADD_MAPPING,
         RDMA_NL_IWPM_QUERY_MAPPING,
         RDMA_NL_IWPM_REMOVE_MAPPING,
+        RDMA_NL_IWPM_REMOTE_INFO,
         RDMA_NL_IWPM_HANDLE_ERR,
         RDMA_NL_IWPM_MAPINFO,
         RDMA_NL_IWPM_MAPINFO_NUM,
diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index 143ca5ffab7a..4478f4b4aae2 100644
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -191,6 +191,7 @@ int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops,
                       struct gnttab_unmap_grant_ref *kunmap_ops,
                       struct page **pages, unsigned int count);
 void gnttab_unmap_refs_async(struct gntab_unmap_queue_data* item);
+int gnttab_unmap_refs_sync(struct gntab_unmap_queue_data *item);
 
 
 /* Perform a batch of grant map/copy operations. Retry every batch slot
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index c643e6a94c9a..0ce4f32017ea 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -13,6 +13,7 @@ void xen_arch_post_suspend(int suspend_cancelled);
 
 void xen_timer_resume(void);
 void xen_arch_resume(void);
+void xen_arch_suspend(void);
 
 void xen_resume_notifier_register(struct notifier_block *nb);
 void xen_resume_notifier_unregister(struct notifier_block *nb);