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-rw-r--r--include/asm-generic/percpu.h35
-rw-r--r--include/linux/clocksource.h37
-rw-r--r--include/linux/device.h1
-rw-r--r--include/linux/fs.h5
-rw-r--r--include/linux/ipmi.h2
-rw-r--r--include/linux/ipmi_msgdefs.h8
-rw-r--r--include/linux/memcontrol.h2
-rw-r--r--include/linux/percpu-defs.h84
-rw-r--r--include/linux/percpu.h44
-rw-r--r--include/linux/reiserfs_fs_sb.h2
-rw-r--r--include/linux/slow-work.h2
-rw-r--r--include/linux/spi/spi.h7
-rw-r--r--include/linux/syscalls.h2
13 files changed, 167 insertions, 64 deletions
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index b0e63c672eb..d7d50d7ee51 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -1,13 +1,9 @@
#ifndef _ASM_GENERIC_PERCPU_H_
#define _ASM_GENERIC_PERCPU_H_
+
#include <linux/compiler.h>
#include <linux/threads.h>
-
-/*
- * Determine the real variable name from the name visible in the
- * kernel sources.
- */
-#define per_cpu_var(var) per_cpu__##var
+#include <linux/percpu-defs.h>
#ifdef CONFIG_SMP
@@ -73,11 +69,32 @@ extern void setup_per_cpu_areas(void);
#endif /* SMP */
+#ifndef PER_CPU_BASE_SECTION
+#ifdef CONFIG_SMP
+#define PER_CPU_BASE_SECTION ".data.percpu"
+#else
+#define PER_CPU_BASE_SECTION ".data"
+#endif
+#endif
+
+#ifdef CONFIG_SMP
+
+#ifdef MODULE
+#define PER_CPU_SHARED_ALIGNED_SECTION ""
+#else
+#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned"
+#endif
+#define PER_CPU_FIRST_SECTION ".first"
+
+#else
+
+#define PER_CPU_SHARED_ALIGNED_SECTION ""
+#define PER_CPU_FIRST_SECTION ""
+
+#endif
+
#ifndef PER_CPU_ATTRIBUTES
#define PER_CPU_ATTRIBUTES
#endif
-#define DECLARE_PER_CPU(type, name) extern PER_CPU_ATTRIBUTES \
- __typeof__(type) per_cpu_var(name)
-
#endif /* _ASM_GENERIC_PERCPU_H_ */
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/device.h b/include/linux/device.h
index 2918c0e8fdf..6a69caaac18 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -551,6 +551,7 @@ extern int (*platform_notify_remove)(struct device *dev);
extern struct device *get_device(struct device *dev);
extern void put_device(struct device *dev);
+extern void wait_for_device_probe(void);
/* drivers/base/power/shutdown.c */
extern void device_shutdown(void);
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/percpu-defs.h b/include/linux/percpu-defs.h
new file mode 100644
index 00000000000..8f921d74f49
--- /dev/null
+++ b/include/linux/percpu-defs.h
@@ -0,0 +1,84 @@
+#ifndef _LINUX_PERCPU_DEFS_H
+#define _LINUX_PERCPU_DEFS_H
+
+/*
+ * Determine the real variable name from the name visible in the
+ * kernel sources.
+ */
+#define per_cpu_var(var) per_cpu__##var
+
+/*
+ * Base implementations of per-CPU variable declarations and definitions, where
+ * the section in which the variable is to be placed is provided by the
+ * 'section' argument. This may be used to affect the parameters governing the
+ * variable's storage.
+ *
+ * NOTE! The sections for the DECLARE and for the DEFINE must match, lest
+ * linkage errors occur due the compiler generating the wrong code to access
+ * that section.
+ */
+#define DECLARE_PER_CPU_SECTION(type, name, section) \
+ extern \
+ __attribute__((__section__(PER_CPU_BASE_SECTION section))) \
+ PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
+
+#define DEFINE_PER_CPU_SECTION(type, name, section) \
+ __attribute__((__section__(PER_CPU_BASE_SECTION section))) \
+ PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
+
+/*
+ * Variant on the per-CPU variable declaration/definition theme used for
+ * ordinary per-CPU variables.
+ */
+#define DECLARE_PER_CPU(type, name) \
+ DECLARE_PER_CPU_SECTION(type, name, "")
+
+#define DEFINE_PER_CPU(type, name) \
+ DEFINE_PER_CPU_SECTION(type, name, "")
+
+/*
+ * Declaration/definition used for per-CPU variables that must come first in
+ * the set of variables.
+ */
+#define DECLARE_PER_CPU_FIRST(type, name) \
+ DECLARE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)
+
+#define DEFINE_PER_CPU_FIRST(type, name) \
+ DEFINE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)
+
+/*
+ * Declaration/definition used for per-CPU variables that must be cacheline
+ * aligned under SMP conditions so that, whilst a particular instance of the
+ * data corresponds to a particular CPU, inefficiencies due to direct access by
+ * other CPUs are reduced by preventing the data from unnecessarily spanning
+ * cachelines.
+ *
+ * An example of this would be statistical data, where each CPU's set of data
+ * is updated by that CPU alone, but the data from across all CPUs is collated
+ * by a CPU processing a read from a proc file.
+ */
+#define DECLARE_PER_CPU_SHARED_ALIGNED(type, name) \
+ DECLARE_PER_CPU_SECTION(type, name, PER_CPU_SHARED_ALIGNED_SECTION) \
+ ____cacheline_aligned_in_smp
+
+#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \
+ DEFINE_PER_CPU_SECTION(type, name, PER_CPU_SHARED_ALIGNED_SECTION) \
+ ____cacheline_aligned_in_smp
+
+/*
+ * Declaration/definition used for per-CPU variables that must be page aligned.
+ */
+#define DECLARE_PER_CPU_PAGE_ALIGNED(type, name) \
+ DECLARE_PER_CPU_SECTION(type, name, ".page_aligned")
+
+#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \
+ DEFINE_PER_CPU_SECTION(type, name, ".page_aligned")
+
+/*
+ * Intermodule exports for per-CPU variables.
+ */
+#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
+#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
+
+
+#endif /* _LINUX_PERCPU_DEFS_H */
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index cfda2d5ad31..1581ff235c7 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -9,50 +9,6 @@
#include <asm/percpu.h>
-#ifndef PER_CPU_BASE_SECTION
-#ifdef CONFIG_SMP
-#define PER_CPU_BASE_SECTION ".data.percpu"
-#else
-#define PER_CPU_BASE_SECTION ".data"
-#endif
-#endif
-
-#ifdef CONFIG_SMP
-
-#ifdef MODULE
-#define PER_CPU_SHARED_ALIGNED_SECTION ""
-#else
-#define PER_CPU_SHARED_ALIGNED_SECTION ".shared_aligned"
-#endif
-#define PER_CPU_FIRST_SECTION ".first"
-
-#else
-
-#define PER_CPU_SHARED_ALIGNED_SECTION ""
-#define PER_CPU_FIRST_SECTION ""
-
-#endif
-
-#define DEFINE_PER_CPU_SECTION(type, name, section) \
- __attribute__((__section__(PER_CPU_BASE_SECTION section))) \
- PER_CPU_ATTRIBUTES __typeof__(type) per_cpu__##name
-
-#define DEFINE_PER_CPU(type, name) \
- DEFINE_PER_CPU_SECTION(type, name, "")
-
-#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name) \
- DEFINE_PER_CPU_SECTION(type, name, PER_CPU_SHARED_ALIGNED_SECTION) \
- ____cacheline_aligned_in_smp
-
-#define DEFINE_PER_CPU_PAGE_ALIGNED(type, name) \
- DEFINE_PER_CPU_SECTION(type, name, ".page_aligned")
-
-#define DEFINE_PER_CPU_FIRST(type, name) \
- DEFINE_PER_CPU_SECTION(type, name, PER_CPU_FIRST_SECTION)
-
-#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
-#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
-
/* enough to cover all DEFINE_PER_CPUs in modules */
#ifdef CONFIG_MODULES
#define PERCPU_MODULE_RESERVE (8 << 10)
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/slow-work.h b/include/linux/slow-work.h
index 85958277f83..b65c8881f07 100644
--- a/include/linux/slow-work.h
+++ b/include/linux/slow-work.h
@@ -67,7 +67,7 @@ static inline void slow_work_init(struct slow_work *work,
}
/**
- * slow_work_init - Initialise a very slow work item
+ * vslow_work_init - Initialise a very slow work item
* @work: The work item to initialise
* @ops: The operations to use to handle the slow work item
*
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/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