Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

10 files changed, 83 insertions, 20 deletions

diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 573819ef4cc..5a40d14daa9 100644
--- a/include/linux/clocksource.h
+++ b/include/linux/clocksource.h
@@ -143,7 +143,9 @@ extern u64 timecounter_cyc2time(struct timecounter *tc,
  *			400-499: Perfect
  *				The ideal clocksource. A must-use where
  *				available.
- * @read:		returns a cycle value
+ * @read:		returns a cycle value, passes clocksource as argument
+ * @enable:		optional function to enable the clocksource
+ * @disable:		optional function to disable the clocksource
  * @mask:		bitmask for two's complement
  *			subtraction of non 64 bit counters
  * @mult:		cycle to nanosecond multiplier (adjusted by NTP)
@@ -162,7 +164,9 @@ struct clocksource {
 	char *name;
 	struct list_head list;
 	int rating;
-	cycle_t (*read)(void);
+	cycle_t (*read)(struct clocksource *cs);
+	int (*enable)(struct clocksource *cs);
+	void (*disable)(struct clocksource *cs);
 	cycle_t mask;
 	u32 mult;
 	u32 mult_orig;
@@ -271,7 +275,34 @@ static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
  */
 static inline cycle_t clocksource_read(struct clocksource *cs)
 {
-	return cs->read();
+	return cs->read(cs);
+}
+
+/**
+ * clocksource_enable: - enable clocksource
+ * @cs:		pointer to clocksource
+ *
+ * Enables the specified clocksource. The clocksource callback
+ * function should start up the hardware and setup mult and field
+ * members of struct clocksource to reflect hardware capabilities.
+ */
+static inline int clocksource_enable(struct clocksource *cs)
+{
+	return cs->enable ? cs->enable(cs) : 0;
+}
+
+/**
+ * clocksource_disable: - disable clocksource
+ * @cs:		pointer to clocksource
+ *
+ * Disables the specified clocksource. The clocksource callback
+ * function should power down the now unused hardware block to
+ * save power.
+ */
+static inline void clocksource_disable(struct clocksource *cs)
+{
+	if (cs->disable)
+		cs->disable(cs);
 }
 
 /**
diff --git a/include/linux/fs.h b/include/linux/fs.h
index e766be0d432..5bed436f435 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2299,9 +2299,8 @@ extern int vfs_readdir(struct file *, filldir_t, void *);
 
 extern int vfs_stat(char __user *, struct kstat *);
 extern int vfs_lstat(char __user *, struct kstat *);
-extern int vfs_stat_fd(int dfd, char __user *, struct kstat *);
-extern int vfs_lstat_fd(int dfd, char __user *, struct kstat *);
 extern int vfs_fstat(unsigned int, struct kstat *);
+extern int vfs_fstatat(int , char __user *, struct kstat *, int);
 
 extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
 		    unsigned long arg);
@@ -2449,7 +2448,7 @@ struct ctl_table;
 int proc_nr_files(struct ctl_table *table, int write, struct file *filp,
 		  void __user *buffer, size_t *lenp, loff_t *ppos);
 
-int get_filesystem_list(char * buf);
+int __init get_filesystem_list(char *buf);
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_FS_H */
diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h
index 7ebdb4fb4e5..65aae34759d 100644
--- a/include/linux/ipmi.h
+++ b/include/linux/ipmi.h
@@ -198,6 +198,8 @@ struct kernel_ipmi_msg {
 					      response.  When you send a
 					      response message, this will
 					      be returned. */
+#define IPMI_OEM_RECV_TYPE		5 /* The response for OEM Channels */
+
 /* Note that async events and received commands do not have a completion
    code as the first byte of the incoming data, unlike a response. */
 
diff --git a/include/linux/ipmi_msgdefs.h b/include/linux/ipmi_msgdefs.h
index b56a158d587..df97e6e31e8 100644
--- a/include/linux/ipmi_msgdefs.h
+++ b/include/linux/ipmi_msgdefs.h
@@ -58,6 +58,12 @@
 #define IPMI_READ_EVENT_MSG_BUFFER_CMD	0x35
 #define IPMI_GET_CHANNEL_INFO_CMD	0x42
 
+/* Bit for BMC global enables. */
+#define IPMI_BMC_RCV_MSG_INTR     0x01
+#define IPMI_BMC_EVT_MSG_INTR     0x02
+#define IPMI_BMC_EVT_MSG_BUFF     0x04
+#define IPMI_BMC_SYS_LOG          0x08
+
 #define IPMI_NETFN_STORAGE_REQUEST		0x0a
 #define IPMI_NETFN_STORAGE_RESPONSE		0x0b
 #define IPMI_ADD_SEL_ENTRY_CMD		0x44
@@ -109,5 +115,7 @@
 #define IPMI_CHANNEL_MEDIUM_USB1	10
 #define IPMI_CHANNEL_MEDIUM_USB2	11
 #define IPMI_CHANNEL_MEDIUM_SYSINTF	12
+#define IPMI_CHANNEL_MEDIUM_OEM_MIN	0x60
+#define IPMI_CHANNEL_MEDIUM_OEM_MAX	0x7f
 
 #endif /* __LINUX_IPMI_MSGDEFS_H */
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 18146c980b6..a9e3b76aa88 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -75,7 +75,7 @@ int mm_match_cgroup(const struct mm_struct *mm, const struct mem_cgroup *cgroup)
 {
 	struct mem_cgroup *mem;
 	rcu_read_lock();
-	mem = mem_cgroup_from_task((mm)->owner);
+	mem = mem_cgroup_from_task(rcu_dereference((mm)->owner));
 	rcu_read_unlock();
 	return cgroup == mem;
 }
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 5621d87c447..6b361d23a49 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -193,7 +193,7 @@ struct reiserfs_journal {
 	atomic_t j_wcount;	/* count of writers for current commit */
 	unsigned long j_bcount;	/* batch count. allows turning X transactions into 1 */
 	unsigned long j_first_unflushed_offset;	/* first unflushed transactions offset */
-	unsigned long j_last_flush_trans_id;	/* last fully flushed journal timestamp */
+	unsigned j_last_flush_trans_id;	/* last fully flushed journal timestamp */
 	struct buffer_head *j_header_bh;
 
 	time_t j_trans_start_time;	/* time this transaction started */
diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
index 262a8dccfa8..167c33361d9 100644
--- a/include/linux/seccomp.h
+++ b/include/linux/seccomp.h
@@ -21,6 +21,8 @@ extern long prctl_set_seccomp(unsigned long);
 
 #else /* CONFIG_SECCOMP */
 
+#include <linux/errno.h>
+
 typedef struct { } seccomp_t;
 
 #define secure_computing(x) do { } while (0)
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 2cc43fa380c..a0faa18f7b1 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -245,7 +245,12 @@ struct spi_master {
 	 */
 	u16			dma_alignment;
 
-	/* setup mode and clock, etc (spi driver may call many times) */
+	/* Setup mode and clock, etc (spi driver may call many times).
+	 *
+	 * IMPORTANT:  this may be called when transfers to another
+	 * device are active.  DO NOT UPDATE SHARED REGISTERS in ways
+	 * which could break those transfers.
+	 */
 	int			(*setup)(struct spi_device *spi);
 
 	/* bidirectional bulk transfers
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 3e3a4364cbf..795032edfc4 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -58,10 +58,17 @@ typedef int __bitwise suspend_state_t;
  *	by @begin().
  *	@prepare() is called right after devices have been suspended (ie. the
  *	appropriate .suspend() method has been executed for each device) and
- *	before the nonboot CPUs are disabled (it is executed with IRQs enabled).
- *	This callback is optional.  It returns 0 on success or a negative
- *	error code otherwise, in which case the system cannot enter the desired
- *	sleep state (@enter() and @finish() will not be called in that case).
+ *	before device drivers' late suspend callbacks are executed.  It returns
+ *	0 on success or a negative error code otherwise, in which case the
+ *	system cannot enter the desired sleep state (@prepare_late(), @enter(),
+ *	@wake(), and @finish() will not be called in that case).
+ *
+ * @prepare_late: Finish preparing the platform for entering the system sleep
+ *	state indicated by @begin().
+ *	@prepare_late is called before disabling nonboot CPUs and after
+ *	device drivers' late suspend callbacks have been executed.  It returns
+ *	0 on success or a negative error code otherwise, in which case the
+ *	system cannot enter the desired sleep state (@enter() and @wake()).
  *
  * @enter: Enter the system sleep state indicated by @begin() or represented by
  *	the argument if @begin() is not implemented.
@@ -69,19 +76,26 @@ typedef int __bitwise suspend_state_t;
  *	error code otherwise, in which case the system cannot enter the desired
  *	sleep state.
  *
- * @finish: Called when the system has just left a sleep state, right after
- *	the nonboot CPUs have been enabled and before devices are resumed (it is
- *	executed with IRQs enabled).
+ * @wake: Called when the system has just left a sleep state, right after
+ *	the nonboot CPUs have been enabled and before device drivers' early
+ *	resume callbacks are executed.
+ *	This callback is optional, but should be implemented by the platforms
+ *	that implement @prepare_late().  If implemented, it is always called
+ *	after @enter(), even if @enter() fails.
+ *
+ * @finish: Finish wake-up of the platform.
+ *	@finish is called right prior to calling device drivers' regular suspend
+ *	callbacks.
  *	This callback is optional, but should be implemented by the platforms
  *	that implement @prepare().  If implemented, it is always called after
- *	@enter() (even if @enter() fails).
+ *	@enter() and @wake(), if implemented, even if any of them fails.
  *
  * @end: Called by the PM core right after resuming devices, to indicate to
  *	the platform that the system has returned to the working state or
  *	the transition to the sleep state has been aborted.
  *	This callback is optional, but should be implemented by the platforms
- *	that implement @begin(), but platforms implementing @begin() should
- *	also provide a @end() which cleans up transitions aborted before
+ *	that implement @begin().  Accordingly, platforms implementing @begin()
+ *	should also provide a @end() which cleans up transitions aborted before
  *	@enter().
  *
  * @recover: Recover the platform from a suspend failure.
@@ -93,7 +107,9 @@ struct platform_suspend_ops {
 	int (*valid)(suspend_state_t state);
 	int (*begin)(suspend_state_t state);
 	int (*prepare)(void);
+	int (*prepare_late)(void);
 	int (*enter)(suspend_state_t state);
+	void (*wake)(void);
 	void (*finish)(void);
 	void (*end)(void);
 	void (*recover)(void);
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index dabe4ad8914..40617c1d897 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -148,7 +148,7 @@ struct old_linux_dirent;
 	asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n"	\
 	     "\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
 #else
-#ifdef CONFIG_ALPHA
+#if defined(CONFIG_ALPHA) || defined(CONFIG_MIPS)
 #define SYSCALL_ALIAS(alias, name)					\
 	asm ( #alias " = " #name "\n\t.globl " #alias)
 #else