14 files changed, 74 insertions, 43 deletions

diff --git a/include/asm-generic/mutex-xchg.h b/include/asm-generic/mutex-xchg.h
index 580a6d35c700..c04e0db8a2d6 100644
--- a/include/asm-generic/mutex-xchg.h
+++ b/include/asm-generic/mutex-xchg.h
@@ -26,7 +26,13 @@ static inline void
 __mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
 {
         if (unlikely(atomic_xchg(count, 0) != 1))
-                fail_fn(count);
+                /*
+                 * We failed to acquire the lock, so mark it contended
+                 * to ensure that any waiting tasks are woken up by the
+                 * unlock slow path.
+                 */
+                if (likely(atomic_xchg(count, -1) != 1))
+                        fail_fn(count);
 }
 
 /**
@@ -43,7 +49,8 @@ static inline int
 __mutex_fastpath_lock_retval(atomic_t *count, int (*fail_fn)(atomic_t *))
 {
         if (unlikely(atomic_xchg(count, 0) != 1))
-                return fail_fn(count);
+                if (likely(atomic_xchg(count, -1) != 1))
+                        return fail_fn(count);
         return 0;
 }
 
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 133ddcf83397..ef658147e4e8 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -22,7 +22,7 @@ extern int sysctl_extfrag_handler(struct ctl_table *table, int write,
 extern int fragmentation_index(struct zone *zone, unsigned int order);
 extern unsigned long try_to_compact_pages(struct zonelist *zonelist,
                         int order, gfp_t gfp_mask, nodemask_t *mask,
-                        bool sync);
+                        bool sync, bool *contended);
 extern int compact_pgdat(pg_data_t *pgdat, int order);
 extern unsigned long compaction_suitable(struct zone *zone, int order);
 
@@ -64,7 +64,7 @@ static inline bool compaction_deferred(struct zone *zone, int order)
 #else
 static inline unsigned long try_to_compact_pages(struct zonelist *zonelist,
                         int order, gfp_t gfp_mask, nodemask_t *nodemask,
-                        bool sync)
+                        bool sync, bool *contended)
 {
         return COMPACT_CONTINUE;
 }
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 103adc6d7e3a..ec45ccd8708a 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -503,6 +503,8 @@ extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size);
 extern int __init efi_uart_console_only (void);
 extern void efi_initialize_iomem_resources(struct resource *code_resource,
                 struct resource *data_resource, struct resource *bss_resource);
+extern unsigned long efi_get_time(void);
+extern int efi_set_rtc_mmss(unsigned long nowtime);
 extern void efi_reserve_boot_services(void);
 extern struct efi_memory_map memmap;
 
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index 6960fc1841a7..aa2e167e1ef4 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -96,21 +96,6 @@ static inline void team_netpoll_send_skb(struct team_port *port,
 }
 #endif
 
-static inline int team_dev_queue_xmit(struct team *team, struct team_port *port,
-                                      struct sk_buff *skb)
-{
-        BUILD_BUG_ON(sizeof(skb->queue_mapping) !=
-                     sizeof(qdisc_skb_cb(skb)->slave_dev_queue_mapping));
-        skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping);
-
-        skb->dev = port->dev;
-        if (unlikely(netpoll_tx_running(port->dev))) {
-                team_netpoll_send_skb(port, skb);
-                return 0;
-        }
-        return dev_queue_xmit(skb);
-}
-
 struct team_mode_ops {
         int (*init)(struct team *team);
         void (*exit)(struct team *team);
@@ -200,6 +185,21 @@ struct team {
         long mode_priv[TEAM_MODE_PRIV_LONGS];
 };
 
+static inline int team_dev_queue_xmit(struct team *team, struct team_port *port,
+                                      struct sk_buff *skb)
+{
+        BUILD_BUG_ON(sizeof(skb->queue_mapping) !=
+                     sizeof(qdisc_skb_cb(skb)->slave_dev_queue_mapping));
+        skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping);
+
+        skb->dev = port->dev;
+        if (unlikely(netpoll_tx_running(team->dev))) {
+                team_netpoll_send_skb(port, skb);
+                return 0;
+        }
+        return dev_queue_xmit(skb);
+}
+
 static inline struct hlist_head *team_port_index_hash(struct team *team,
                                                       int port_index)
 {
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index a9db4f33407f..59dc05f38247 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -953,7 +953,8 @@ struct net_device_ops {
 #ifdef CONFIG_NET_POLL_CONTROLLER
         void                    (*ndo_poll_controller)(struct net_device *dev);
         int                     (*ndo_netpoll_setup)(struct net_device *dev,
-                                                     struct netpoll_info *info);
+                                                     struct netpoll_info *info,
+                                                     gfp_t gfp);
         void                    (*ndo_netpoll_cleanup)(struct net_device *dev);
 #endif
         int                     (*ndo_set_vf_mac)(struct net_device *dev,
@@ -1521,6 +1522,8 @@ struct packet_type {
         struct sk_buff          **(*gro_receive)(struct sk_buff **head,
                                                struct sk_buff *skb);
         int                     (*gro_complete)(struct sk_buff *skb);
+        bool                    (*id_match)(struct packet_type *ptype,
+                                            struct sock *sk);
         void                    *af_packet_priv;
         struct list_head        list;
 };
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index 0dfc8b7210a3..89f2a627f3f0 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -164,7 +164,7 @@ extern int ct_sip_parse_address_param(const struct nf_conn *ct, const char *dptr
                                       unsigned int dataoff, unsigned int datalen,
                                       const char *name,
                                       unsigned int *matchoff, unsigned int *matchlen,
-                                      union nf_inet_addr *addr);
+                                      union nf_inet_addr *addr, bool delim);
 extern int ct_sip_parse_numerical_param(const struct nf_conn *ct, const char *dptr,
                                         unsigned int off, unsigned int datalen,
                                         const char *name,
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 28f5389c924b..66d5379c305e 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -23,6 +23,7 @@ struct netpoll {
         u8 remote_mac[ETH_ALEN];
 
         struct list_head rx; /* rx_np list element */
+        struct rcu_head rcu;
 };
 
 struct netpoll_info {
@@ -38,28 +39,40 @@ struct netpoll_info {
         struct delayed_work tx_work;
 
         struct netpoll *netpoll;
+        struct rcu_head rcu;
 };
 
 void netpoll_send_udp(struct netpoll *np, const char *msg, int len);
 void netpoll_print_options(struct netpoll *np);
 int netpoll_parse_options(struct netpoll *np, char *opt);
-int __netpoll_setup(struct netpoll *np, struct net_device *ndev);
+int __netpoll_setup(struct netpoll *np, struct net_device *ndev, gfp_t gfp);
 int netpoll_setup(struct netpoll *np);
 int netpoll_trap(void);
 void netpoll_set_trap(int trap);
 void __netpoll_cleanup(struct netpoll *np);
+void __netpoll_free_rcu(struct netpoll *np);
 void netpoll_cleanup(struct netpoll *np);
-int __netpoll_rx(struct sk_buff *skb);
+int __netpoll_rx(struct sk_buff *skb, struct netpoll_info *npinfo);
 void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
                              struct net_device *dev);
 static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
 {
+        unsigned long flags;
+        local_irq_save(flags);
         netpoll_send_skb_on_dev(np, skb, np->dev);
+        local_irq_restore(flags);
 }
 
 
 
 #ifdef CONFIG_NETPOLL
+static inline bool netpoll_rx_on(struct sk_buff *skb)
+{
+        struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);
+
+        return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
+}
+
 static inline bool netpoll_rx(struct sk_buff *skb)
 {
         struct netpoll_info *npinfo;
@@ -67,14 +80,14 @@ static inline bool netpoll_rx(struct sk_buff *skb)
         bool ret = false;
 
         local_irq_save(flags);
-        npinfo = rcu_dereference_bh(skb->dev->npinfo);
 
-        if (!npinfo || (list_empty(&npinfo->rx_np) && !npinfo->rx_flags))
+        if (!netpoll_rx_on(skb))
                 goto out;
 
+        npinfo = rcu_dereference_bh(skb->dev->npinfo);
         spin_lock(&npinfo->rx_lock);
         /* check rx_flags again with the lock held */
-        if (npinfo->rx_flags && __netpoll_rx(skb))
+        if (npinfo->rx_flags && __netpoll_rx(skb, npinfo))
                 ret = true;
         spin_unlock(&npinfo->rx_lock);
 
@@ -83,13 +96,6 @@ out:
         return ret;
 }
 
-static inline int netpoll_rx_on(struct sk_buff *skb)
-{
-        struct netpoll_info *npinfo = rcu_dereference_bh(skb->dev->npinfo);
-
-        return npinfo && (!list_empty(&npinfo->rx_np) || npinfo->rx_flags);
-}
-
 static inline int netpoll_receive_skb(struct sk_buff *skb)
 {
         if (!list_empty(&skb->dev->napi_list))
@@ -119,7 +125,7 @@ static inline void netpoll_poll_unlock(void *have)
         }
 }
 
-static inline int netpoll_tx_running(struct net_device *dev)
+static inline bool netpoll_tx_running(struct net_device *dev)
 {
         return irqs_disabled();
 }
@@ -127,11 +133,11 @@ static inline int netpoll_tx_running(struct net_device *dev)
 #else
 static inline bool netpoll_rx(struct sk_buff *skb)
 {
-        return 0;
+        return false;
 }
-static inline int netpoll_rx_on(struct sk_buff *skb)
+static inline bool netpoll_rx_on(struct sk_buff *skb)
 {
-        return 0;
+        return false;
 }
 static inline int netpoll_receive_skb(struct sk_buff *skb)
 {
@@ -147,9 +153,9 @@ static inline void netpoll_poll_unlock(void *have)
 static inline void netpoll_netdev_init(struct net_device *dev)
 {
 }
-static inline int netpoll_tx_running(struct net_device *dev)
+static inline bool netpoll_tx_running(struct net_device *dev)
 {
-        return 0;
+        return false;
 }
 #endif
 
diff --git a/include/linux/of.h b/include/linux/of.h
index 5919ee33f2b7..1b1163225f3b 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -190,10 +190,17 @@ extern struct device_node *of_get_parent(const struct device_node *node);
 extern struct device_node *of_get_next_parent(struct device_node *node);
 extern struct device_node *of_get_next_child(const struct device_node *node,
                                              struct device_node *prev);
+extern struct device_node *of_get_next_available_child(
+        const struct device_node *node, struct device_node *prev);
+
 #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;
diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h
index 6dd96fb45482..e9b7f4350844 100644
--- a/include/linux/pinctrl/consumer.h
+++ b/include/linux/pinctrl/consumer.h
@@ -20,6 +20,7 @@
 /* This struct is private to the core and should be regarded as a cookie */
 struct pinctrl;
 struct pinctrl_state;
+struct device;
 
 #ifdef CONFIG_PINCTRL
 
diff --git a/include/linux/string.h b/include/linux/string.h
index ffe0442e18d2..b9178812d9df 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -144,8 +144,8 @@ static inline bool strstarts(const char *str, const char *prefix)
 {
         return strncmp(str, prefix, strlen(prefix)) == 0;
 }
-#endif
 
 extern size_t memweight(const void *ptr, size_t bytes);
 
+#endif /* __KERNEL__ */
 #endif /* _LINUX_STRING_H_ */
diff --git a/include/net/llc.h b/include/net/llc.h
index 226c846cab08..f2d0fc570527 100644
--- a/include/net/llc.h
+++ b/include/net/llc.h
@@ -133,7 +133,7 @@ extern int llc_build_and_send_ui_pkt(struct llc_sap *sap, struct sk_buff *skb,
 extern void llc_sap_handler(struct llc_sap *sap, struct sk_buff *skb);
 extern void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb);
 
-extern int llc_station_init(void);
+extern void llc_station_init(void);
 extern void llc_station_exit(void);
 
 #ifdef CONFIG_PROC_FS
diff --git a/include/net/scm.h b/include/net/scm.h
index 079d7887dac1..7dc0854f0b38 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -70,9 +70,11 @@ static __inline__ void scm_destroy(struct scm_cookie *scm)
 }
 
 static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
-                               struct scm_cookie *scm)
+                               struct scm_cookie *scm, bool forcecreds)
 {
         memset(scm, 0, sizeof(*scm));
+        if (forcecreds)
+                scm_set_cred(scm, task_tgid(current), current_cred());
         unix_get_peersec_dgram(sock, scm);
         if (msg->msg_controllen <= 0)
                 return 0;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 62b619e82a90..976a81abe1a2 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -292,6 +292,8 @@ struct xfrm_policy_afinfo {
                                                   struct flowi *fl,
                                                   int reverse);
         int                     (*get_tos)(const struct flowi *fl);
+        void                    (*init_dst)(struct net *net,
+                                            struct xfrm_dst *dst);
         int                     (*init_path)(struct xfrm_dst *path,
                                              struct dst_entry *dst,
                                              int nfheader_len);
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index c75c0d1a85e2..cdca2ab1e711 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -1075,7 +1075,8 @@ static inline void snd_pcm_limit_isa_dma_size(int dma, size_t *max)
 const char *snd_pcm_format_name(snd_pcm_format_t format);
 
 /**
- * Get a string naming the direction of a stream
+ * snd_pcm_stream_str - Get a string naming the direction of a stream
+ * @substream: the pcm substream instance
  */
 static inline const char *snd_pcm_stream_str(struct snd_pcm_substream *substream)
 {