Merge branch 'linus' into irq/core

Reason: Get upstream fixes integrated before further modifications.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

20 files changed, 77 insertions, 71 deletions

diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h
index 514ed45c462..d117b29d106 100644
--- a/include/linux/amba/serial.h
+++ b/include/linux/amba/serial.h
@@ -23,6 +23,8 @@
 #ifndef ASM_ARM_HARDWARE_SERIAL_AMBA_H
 #define ASM_ARM_HARDWARE_SERIAL_AMBA_H
 
+#include <linux/types.h>
+
 /* -------------------------------------------------------------------------------
  *  From AMBA UART (PL010) Block Specification
  * -------------------------------------------------------------------------------
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 41c9f6515f4..7e05fcee75a 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -561,5 +561,9 @@ asmlinkage ssize_t compat_sys_process_vm_writev(compat_pid_t pid,
 		unsigned long liovcnt, const struct compat_iovec __user *rvec,
 		unsigned long riovcnt, unsigned long flags);
 
+#else
+
+#define is_compat_task() (0)
+
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index d64a55b23af..ff5f5256d17 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -47,27 +47,6 @@ struct dentry_stat_t {
 };
 extern struct dentry_stat_t dentry_stat;
 
-/*
- * Compare 2 name strings, return 0 if they match, otherwise non-zero.
- * The strings are both count bytes long, and count is non-zero.
- */
-static inline int dentry_cmp(const unsigned char *cs, size_t scount,
-				const unsigned char *ct, size_t tcount)
-{
-	int ret;
-	if (scount != tcount)
-		return 1;
-	do {
-		ret = (*cs != *ct);
-		if (ret)
-			break;
-		cs++;
-		ct++;
-		tcount--;
-	} while (tcount);
-	return ret;
-}
-
 /* Name hashing routines. Initial hash value */
 /* Hash courtesy of the R5 hash in reiserfs modulo sign bits */
 #define init_name_hash()		0
@@ -89,14 +68,7 @@ static inline unsigned long end_name_hash(unsigned long hash)
 }
 
 /* Compute the hash for a name string. */
-static inline unsigned int
-full_name_hash(const unsigned char *name, unsigned int len)
-{
-	unsigned long hash = init_name_hash();
-	while (len--)
-		hash = partial_name_hash(*name++, hash);
-	return end_name_hash(hash);
-}
+extern unsigned int full_name_hash(const unsigned char *, unsigned int);
 
 /*
  * Try to keep struct dentry aligned on 64 byte cachelines (this will
@@ -309,7 +281,8 @@ extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
 extern struct dentry *d_lookup(struct dentry *, struct qstr *);
 extern struct dentry *d_hash_and_lookup(struct dentry *, struct qstr *);
 extern struct dentry *__d_lookup(struct dentry *, struct qstr *);
-extern struct dentry *__d_lookup_rcu(struct dentry *parent, struct qstr *name,
+extern struct dentry *__d_lookup_rcu(const struct dentry *parent,
+				const struct qstr *name,
 				unsigned *seq, struct inode **inode);
 
 /**
diff --git a/include/linux/digsig.h b/include/linux/digsig.h
index b01558b1581..6f85a070bb4 100644
--- a/include/linux/digsig.h
+++ b/include/linux/digsig.h
@@ -30,7 +30,7 @@ enum digest_algo {
 
 struct pubkey_hdr {
 	uint8_t		version;	/* key format version */
-	time_t		timestamp;	/* key made, always 0 for now */
+	uint32_t	timestamp;	/* key made, always 0 for now */
 	uint8_t		algo;
 	uint8_t		nmpi;
 	char		mpi[0];
@@ -38,7 +38,7 @@ struct pubkey_hdr {
 
 struct signature_hdr {
 	uint8_t		version;	/* signature format version */
-	time_t		timestamp;	/* signature made */
+	uint32_t	timestamp;	/* signature made */
 	uint8_t		algo;
 	uint8_t		hash;
 	uint8_t		keyid[8];
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 386da09f229..69cd5bb640f 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2496,6 +2496,7 @@ extern void get_filesystem(struct file_system_type *fs);
 extern void put_filesystem(struct file_system_type *fs);
 extern struct file_system_type *get_fs_type(const char *name);
 extern struct super_block *get_super(struct block_device *);
+extern struct super_block *get_super_thawed(struct block_device *);
 extern struct super_block *get_active_super(struct block_device *bdev);
 extern void drop_super(struct super_block *sb);
 extern void iterate_supers(void (*)(struct super_block *, void *), void *);
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index c52d4b5f872..4b24ff453ae 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -137,6 +137,7 @@ enum {
 	IFLA_AF_SPEC,
 	IFLA_GROUP,		/* Group the device belongs to */
 	IFLA_NET_NS_FD,
+	IFLA_EXT_MASK,		/* Extended info mask, VFs, etc */
 	__IFLA_MAX
 };
 
diff --git a/include/linux/kmsg_dump.h b/include/linux/kmsg_dump.h
index fee66317e07..35f7237ec97 100644
--- a/include/linux/kmsg_dump.h
+++ b/include/linux/kmsg_dump.h
@@ -15,13 +15,18 @@
 #include <linux/errno.h>
 #include <linux/list.h>
 
+/*
+ * Keep this list arranged in rough order of priority. Anything listed after
+ * KMSG_DUMP_OOPS will not be logged by default unless printk.always_kmsg_dump
+ * is passed to the kernel.
+ */
 enum kmsg_dump_reason {
-	KMSG_DUMP_OOPS,
 	KMSG_DUMP_PANIC,
+	KMSG_DUMP_OOPS,
+	KMSG_DUMP_EMERG,
 	KMSG_DUMP_RESTART,
 	KMSG_DUMP_HALT,
 	KMSG_DUMP_POWEROFF,
-	KMSG_DUMP_EMERG,
 };
 
 /**
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 4d34356fe64..b80de520670 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -129,7 +129,6 @@ extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg,
 extern void mem_cgroup_replace_page_cache(struct page *oldpage,
 					struct page *newpage);
 
-extern void mem_cgroup_reset_owner(struct page *page);
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
 extern int do_swap_account;
 #endif
@@ -392,10 +391,6 @@ static inline void mem_cgroup_replace_page_cache(struct page *oldpage,
 				struct page *newpage)
 {
 }
-
-static inline void mem_cgroup_reset_owner(struct page *page)
-{
-}
 #endif /* CONFIG_CGROUP_MEM_CONT */
 
 #if !defined(CONFIG_CGROUP_MEM_RES_CTLR) || !defined(CONFIG_DEBUG_VM)
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index 8797ed16feb..4dd5bd6994a 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -285,8 +285,8 @@ struct ebt_table {
 	struct module *me;
 };
 
-#define EBT_ALIGN(s) (((s) + (__alignof__(struct ebt_replace)-1)) & \
-		     ~(__alignof__(struct ebt_replace)-1))
+#define EBT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1)) & \
+		     ~(__alignof__(struct _xt_align)-1))
 extern struct ebt_table *ebt_register_table(struct net *net,
 					    const struct ebt_table *table);
 extern void ebt_unregister_table(struct net *net, struct ebt_table *table);
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index a764cef06b7..d6ba9a12591 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -614,7 +614,6 @@ struct nfs_getaclargs {
 	size_t				acl_len;
 	unsigned int			acl_pgbase;
 	struct page **			acl_pages;
-	struct page *			acl_scratch;
 	struct nfs4_sequence_args 	seq_args;
 };
 
@@ -624,6 +623,7 @@ struct nfs_getaclres {
 	size_t				acl_len;
 	size_t				acl_data_offset;
 	int				acl_flags;
+	struct page *			acl_scratch;
 	struct nfs4_sequence_res	seq_res;
 };
 
diff --git a/include/linux/of.h b/include/linux/of.h
index a75a831e205..92cf6ad35e0 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -281,6 +281,14 @@ static inline struct property *of_find_property(const struct device_node *np,
 	return NULL;
 }
 
+static inline struct device_node *of_find_compatible_node(
+						struct device_node *from,
+						const char *type,
+						const char *compat)
+{
+	return NULL;
+}
+
 static inline int of_property_read_u32_array(const struct device_node *np,
 					     const char *propname,
 					     u32 *out_values, size_t sz)
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 32cd1f67462..21638ae14e0 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -348,9 +348,9 @@ do {									\
 #define _this_cpu_generic_to_op(pcp, val, op)				\
 do {									\
 	unsigned long flags;						\
-	local_irq_save(flags);						\
+	raw_local_irq_save(flags);					\
 	*__this_cpu_ptr(&(pcp)) op val;					\
-	local_irq_restore(flags);					\
+	raw_local_irq_restore(flags);					\
 } while (0)
 
 #ifndef this_cpu_write
@@ -449,10 +449,10 @@ do {									\
 ({									\
 	typeof(pcp) ret__;						\
 	unsigned long flags;						\
-	local_irq_save(flags);						\
+	raw_local_irq_save(flags);					\
 	__this_cpu_add(pcp, val);					\
 	ret__ = __this_cpu_read(pcp);					\
-	local_irq_restore(flags);					\
+	raw_local_irq_restore(flags);					\
 	ret__;								\
 })
 
@@ -479,10 +479,10 @@ do {									\
 #define _this_cpu_generic_xchg(pcp, nval)				\
 ({	typeof(pcp) ret__;						\
 	unsigned long flags;						\
-	local_irq_save(flags);						\
+	raw_local_irq_save(flags);					\
 	ret__ = __this_cpu_read(pcp);					\
 	__this_cpu_write(pcp, nval);					\
-	local_irq_restore(flags);					\
+	raw_local_irq_restore(flags);					\
 	ret__;								\
 })
 
@@ -507,11 +507,11 @@ do {									\
 ({									\
 	typeof(pcp) ret__;						\
 	unsigned long flags;						\
-	local_irq_save(flags);						\
+	raw_local_irq_save(flags);					\
 	ret__ = __this_cpu_read(pcp);					\
 	if (ret__ == (oval))						\
 		__this_cpu_write(pcp, nval);				\
-	local_irq_restore(flags);					\
+	raw_local_irq_restore(flags);					\
 	ret__;								\
 })
 
@@ -544,10 +544,10 @@ do {									\
 ({									\
 	int ret__;							\
 	unsigned long flags;						\
-	local_irq_save(flags);						\
+	raw_local_irq_save(flags);					\
 	ret__ = __this_cpu_generic_cmpxchg_double(pcp1, pcp2,		\
 			oval1, oval2, nval1, nval2);			\
-	local_irq_restore(flags);					\
+	raw_local_irq_restore(flags);					\
 	ret__;								\
 })
 
@@ -718,12 +718,13 @@ do {									\
 # ifndef __this_cpu_add_return_8
 #  define __this_cpu_add_return_8(pcp, val)	__this_cpu_generic_add_return(pcp, val)
 # endif
-# define __this_cpu_add_return(pcp, val)	__pcpu_size_call_return2(this_cpu_add_return_, pcp, val)
+# define __this_cpu_add_return(pcp, val)	\
+	__pcpu_size_call_return2(__this_cpu_add_return_, pcp, val)
 #endif
 
-#define __this_cpu_sub_return(pcp, val)	this_cpu_add_return(pcp, -(val))
-#define __this_cpu_inc_return(pcp)	this_cpu_add_return(pcp, 1)
-#define __this_cpu_dec_return(pcp)	this_cpu_add_return(pcp, -1)
+#define __this_cpu_sub_return(pcp, val)	__this_cpu_add_return(pcp, -(val))
+#define __this_cpu_inc_return(pcp)	__this_cpu_add_return(pcp, 1)
+#define __this_cpu_dec_return(pcp)	__this_cpu_add_return(pcp, -1)
 
 #define __this_cpu_generic_xchg(pcp, nval)				\
 ({	typeof(pcp) ret__;						\
diff --git a/include/linux/regset.h b/include/linux/regset.h
index 8abee655622..686f37327a4 100644
--- a/include/linux/regset.h
+++ b/include/linux/regset.h
@@ -335,8 +335,11 @@ static inline int copy_regset_to_user(struct task_struct *target,
 {
 	const struct user_regset *regset = &view->regsets[setno];
 
+	if (!regset->get)
+		return -EOPNOTSUPP;
+
 	if (!access_ok(VERIFY_WRITE, data, size))
-		return -EIO;
+		return -EFAULT;
 
 	return regset->get(target, regset, offset, size, NULL, data);
 }
@@ -358,8 +361,11 @@ static inline int copy_regset_from_user(struct task_struct *target,
 {
 	const struct user_regset *regset = &view->regsets[setno];
 
+	if (!regset->set)
+		return -EOPNOTSUPP;
+
 	if (!access_ok(VERIFY_READ, data, size))
-		return -EIO;
+		return -EFAULT;
 
 	return regset->set(target, regset, offset, size, NULL, data);
 }
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 8e872ead88b..577592ea0ea 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -602,6 +602,9 @@ struct tcamsg {
 #define TCA_ACT_TAB 1 /* attr type must be >=1 */	
 #define TCAA_MAX 1
 
+/* New extended info filters for IFLA_EXT_MASK */
+#define RTEXT_FILTER_VF		(1 << 0)
+
 /* End of information exported to user level */
 
 #ifdef __KERNEL__
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 07f537a371c..abb67cfa501 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1777,7 +1777,6 @@ extern void thread_group_times(struct task_struct *p, cputime_t *ut, cputime_t *
 /*
  * Per process flags
  */
-#define PF_STARTING	0x00000002	/* being created */
 #define PF_EXITING	0x00000004	/* getting shut down */
 #define PF_EXITPIDONE	0x00000008	/* pi exit done on shut down */
 #define PF_VCPU		0x00000010	/* I'm a virtual CPU */
@@ -2371,7 +2370,7 @@ static inline int thread_group_empty(struct task_struct *p)
  * Protects ->fs, ->files, ->mm, ->group_info, ->comm, keyring
  * subscriptions and synchronises with wait4().  Also used in procfs.  Also
  * pins the final release of task.io_context.  Also protects ->cpuset and
- * ->cgroup.subsys[].
+ * ->cgroup.subsys[]. And ->vfork_done.
  *
  * Nests both inside and outside of read_lock(&tasklist_lock).
  * It must not be nested with write_lock_irq(&tasklist_lock),
diff --git a/include/linux/signalfd.h b/include/linux/signalfd.h
index 3ff4961da9b..247399b2979 100644
--- a/include/linux/signalfd.h
+++ b/include/linux/signalfd.h
@@ -61,13 +61,16 @@ static inline void signalfd_notify(struct task_struct *tsk, int sig)
 		wake_up(&tsk->sighand->signalfd_wqh);
 }
 
+extern void signalfd_cleanup(struct sighand_struct *sighand);
+
 #else /* CONFIG_SIGNALFD */
 
 static inline void signalfd_notify(struct task_struct *tsk, int sig) { }
 
+static inline void signalfd_cleanup(struct sighand_struct *sighand) { }
+
 #endif /* CONFIG_SIGNALFD */
 
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_SIGNALFD_H */
-
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 50db9b04a55..ae86adee374 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1465,6 +1465,16 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset)
 }
 #endif /* NET_SKBUFF_DATA_USES_OFFSET */
 
+static inline void skb_mac_header_rebuild(struct sk_buff *skb)
+{
+	if (skb_mac_header_was_set(skb)) {
+		const unsigned char *old_mac = skb_mac_header(skb);
+
+		skb_set_mac_header(skb, -skb->mac_len);
+		memmove(skb_mac_header(skb), old_mac, skb->mac_len);
+	}
+}
+
 static inline int skb_checksum_start_offset(const struct sk_buff *skb)
 {
 	return skb->csum_start - skb_headroom(skb);
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 515669fa3c1..8ec1153ff57 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -624,7 +624,7 @@ asmlinkage long sys_socketpair(int, int, int, int __user *);
 asmlinkage long sys_socketcall(int call, unsigned long __user *args);
 asmlinkage long sys_listen(int, int);
 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
-				long timeout);
+				int timeout);
 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 			fd_set __user *exp, struct timeval __user *tvp);
 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 46a85c9e1f2..3c7ffdb40dc 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -412,7 +412,8 @@ struct tcp_sock {
 
 	struct tcp_sack_block recv_sack_cache[4];
 
-	struct sk_buff *highest_sack;   /* highest skb with SACK received
+	struct sk_buff *highest_sack;   /* skb just after the highest
+					 * skb with SACKed bit set
 					 * (validity guaranteed only if
 					 * sacked_out > 0)
 					 */
diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h
index 31fdb4c6ee3..0b83acd3360 100644
--- a/include/linux/usb/ch11.h
+++ b/include/linux/usb/ch11.h
@@ -61,12 +61,6 @@
 #define USB_PORT_FEAT_TEST              21
 #define USB_PORT_FEAT_INDICATOR         22
 #define USB_PORT_FEAT_C_PORT_L1         23
-#define USB_PORT_FEAT_C_PORT_LINK_STATE	25
-#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR 26
-#define USB_PORT_FEAT_PORT_REMOTE_WAKE_MASK 27
-#define USB_PORT_FEAT_BH_PORT_RESET     28
-#define USB_PORT_FEAT_C_BH_PORT_RESET   29
-#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT 30
 
 /*
  * Port feature selectors added by USB 3.0 spec.
@@ -75,8 +69,8 @@
 #define USB_PORT_FEAT_LINK_STATE		5
 #define USB_PORT_FEAT_U1_TIMEOUT		23
 #define USB_PORT_FEAT_U2_TIMEOUT		24
-#define USB_PORT_FEAT_C_LINK_STATE		25
-#define USB_PORT_FEAT_C_CONFIG_ERR		26
+#define USB_PORT_FEAT_C_PORT_LINK_STATE		25
+#define USB_PORT_FEAT_C_PORT_CONFIG_ERROR	26
 #define USB_PORT_FEAT_REMOTE_WAKE_MASK		27
 #define USB_PORT_FEAT_BH_PORT_RESET		28
 #define USB_PORT_FEAT_C_BH_PORT_RESET		29