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

31 files changed, 268 insertions, 75 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 6586cbd0d4af..88be890ee3c7 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -111,6 +111,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base);
 int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base);
 void acpi_irq_stats_init(void);
 extern u32 acpi_irq_handled;
+extern u32 acpi_irq_not_handled;
 
 extern struct acpi_mcfg_allocation *pci_mmcfg_config;
 extern int pci_mmcfg_config_num;
diff --git a/include/linux/bio.h b/include/linux/bio.h
index b89cf2d82898..7b214fd672a2 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -132,6 +132,7 @@ struct bio {
  * top 4 bits of bio flags indicate the pool this bio came from
  */
 #define BIO_POOL_BITS           (4)
+#define BIO_POOL_NONE           ((1UL << BIO_POOL_BITS) - 1)
 #define BIO_POOL_OFFSET         (BITS_PER_LONG - BIO_POOL_BITS)
 #define BIO_POOL_MASK           (1UL << BIO_POOL_OFFSET)
 #define BIO_POOL_IDX(bio)       ((bio)->bi_flags >> BIO_POOL_OFFSET)    
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 61829139795a..c05a29cb9bb2 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -112,6 +112,25 @@ static inline unsigned fls_long(unsigned long l)
         return fls64(l);
 }
 
+/**
+ * __ffs64 - find first set bit in a 64 bit word
+ * @word: The 64 bit word
+ *
+ * On 64 bit arches this is a synomyn for __ffs
+ * The result is not defined if no bits are set, so check that @word
+ * is non-zero before calling this.
+ */
+static inline unsigned long __ffs64(u64 word)
+{
+#if BITS_PER_LONG == 32
+        if (((u32)word) == 0UL)
+                return __ffs((u32)(word >> 32)) + 32;
+#elif BITS_PER_LONG != 64
+#error BITS_PER_LONG not 32 or 64
+#endif
+        return __ffs((unsigned long)word);
+}
+
 #ifdef __KERNEL__
 #ifdef CONFIG_GENERIC_FIND_FIRST_BIT
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ba54c834a590..2755d5c6da22 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -118,6 +118,7 @@ enum rq_flag_bits {
         __REQ_COPY_USER,        /* contains copies of user pages */
         __REQ_INTEGRITY,        /* integrity metadata has been remapped */
         __REQ_NOIDLE,           /* Don't anticipate more IO after this one */
+        __REQ_IO_STAT,          /* account I/O stat */
         __REQ_NR_BITS,          /* stops here */
 };
 
@@ -145,6 +146,7 @@ enum rq_flag_bits {
 #define REQ_COPY_USER   (1 << __REQ_COPY_USER)
 #define REQ_INTEGRITY   (1 << __REQ_INTEGRITY)
 #define REQ_NOIDLE      (1 << __REQ_NOIDLE)
+#define REQ_IO_STAT     (1 << __REQ_IO_STAT)
 
 #define BLK_MAX_CDB     16
 
@@ -598,6 +600,7 @@ enum {
                                  blk_failfast_transport(rq) ||  \
                                  blk_failfast_driver(rq))
 #define blk_rq_started(rq)      ((rq)->cmd_flags & REQ_STARTED)
+#define blk_rq_io_stat(rq)      ((rq)->cmd_flags & REQ_IO_STAT)
 
 #define blk_account_rq(rq)      (blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq))) 
 
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
index 573819ef4cc0..5a40d14daa9f 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 2918c0e8fdfd..6a69caaac18a 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 e766be0d4329..5bed436f4353 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/fsl_devices.h b/include/linux/fsl_devices.h
index 43fc95d822d5..244677cc082b 100644
--- a/include/linux/fsl_devices.h
+++ b/include/linux/fsl_devices.h
@@ -79,6 +79,10 @@ struct fsl_spi_platform_data {
         u16     max_chipselect;
         void    (*cs_control)(struct spi_device *spi, bool on);
         u32     sysclk;
+
+        /* Legacy hooks, used by mpc52xx_psc_spi driver. */
+        void    (*activate_cs)(u8 cs, u8 polarity);
+        void    (*deactivate_cs)(u8 cs, u8 polarity);
 };
 
 struct mpc8xx_pcmcia_ops {
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 634c53028fb8..a1a28caed23d 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -214,6 +214,7 @@ static inline void disk_put_part(struct hd_struct *part)
 #define DISK_PITER_REVERSE      (1 << 0) /* iterate in the reverse direction */
 #define DISK_PITER_INCL_EMPTY   (1 << 1) /* include 0-sized parts */
 #define DISK_PITER_INCL_PART0   (1 << 2) /* include partition 0 */
+#define DISK_PITER_INCL_EMPTY_PART0 (1 << 3) /* include empty partition 0 */
 
 struct disk_part_iter {
         struct gendisk          *disk;
diff --git a/include/linux/init.h b/include/linux/init.h
index f121a7a10c3d..0e06c176f185 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -2,6 +2,8 @@
 #define _LINUX_INIT_H
 
 #include <linux/compiler.h>
+#include <linux/section-names.h>
+#include <linux/stringify.h>
 
 /* These macros are used to mark some functions or 
  * initialized data (doesn't apply to uninitialized data)
@@ -60,14 +62,6 @@
 #define __refdata        __section(.ref.data)
 #define __refconst       __section(.ref.rodata)
 
-/* backward compatibility note
- *  A few places hardcode the old section names:
- *  .text.init.refok
- *  .data.init.refok
- *  .exit.text.refok
- *  They should be converted to use the defines from this file
- */
-
 /* compatibility defines */
 #define __init_refok     __ref
 #define __initdata_refok __refdata
@@ -107,7 +101,7 @@
 #define __memexitconst   __section(.memexit.rodata)
 
 /* For assembly routines */
-#define __HEAD          .section        ".head.text","ax"
+#define __HEAD          .section        __stringify(HEAD_TEXT_SECTION),"ax"
 #define __INIT          .section        ".init.text","ax"
 #define __FINIT         .previous
 
diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h
index 7ebdb4fb4e54..65aae34759de 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 b56a158d587a..df97e6e31e87 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/jbd.h b/include/linux/jbd.h
index 53ae4399da2d..c2049a04fa0b 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -978,7 +978,8 @@ extern void	   journal_destroy_revoke(journal_t *);
 extern int         journal_revoke (handle_t *,
                                 unsigned long, struct buffer_head *);
 extern int         journal_cancel_revoke(handle_t *, struct journal_head *);
-extern void        journal_write_revoke_records(journal_t *, transaction_t *);
+extern void        journal_write_revoke_records(journal_t *,
+                                                transaction_t *, int);
 
 /* Recovery revoke support */
 extern int      journal_set_revoke(journal_t *, unsigned long, tid_t);
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 8815a3456b3b..cc02393bfce8 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1193,7 +1193,8 @@ extern int	   jbd2_journal_init_revoke_caches(void);
 extern void        jbd2_journal_destroy_revoke(journal_t *);
 extern int         jbd2_journal_revoke (handle_t *, unsigned long long, struct buffer_head *);
 extern int         jbd2_journal_cancel_revoke(handle_t *, struct journal_head *);
-extern void        jbd2_journal_write_revoke_records(journal_t *, transaction_t *);
+extern void        jbd2_journal_write_revoke_records(journal_t *,
+                                                     transaction_t *, int);
 
 /* Recovery revoke support */
 extern int      jbd2_journal_set_revoke(journal_t *, unsigned long long, tid_t);
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 311a073afe8a..8cc137911b34 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -409,6 +409,8 @@ struct kvm_trace_rec {
 #ifdef __KVM_HAVE_DEVICE_ASSIGNMENT
 #define KVM_CAP_DEVICE_DEASSIGNMENT 27
 #endif
+/* Another bug in KVM_SET_USER_MEMORY_REGION fixed: */
+#define KVM_CAP_JOIN_MEMORY_REGIONS_WORKS 30
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 18146c980b68..a9e3b76aa884 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/netdevice.h b/include/linux/netdevice.h
index 2e7783f4a755..5a96a1a406e9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -104,7 +104,7 @@ struct wireless_dev;
 # else
 #  define LL_MAX_HEADER 96
 # endif
-#elif defined(CONFIG_TR)
+#elif defined(CONFIG_TR) || defined(CONFIG_TR_MODULE)
 # define LL_MAX_HEADER 48
 #else
 # define LL_MAX_HEADER 32
@@ -500,7 +500,7 @@ struct netdev_queue {
  *
  * int (*ndo_set_mac_address)(struct net_device *dev, void *addr);
  *      This function  is called when the Media Access Control address
- *      needs to be changed. If not this interface is not defined, the
+ *      needs to be changed. If this interface is not defined, the
  *      mac address can not be changed.
  *
  * int (*ndo_validate_addr)(struct net_device *dev);
diff --git a/include/linux/netfilter/nfnetlink_conntrack.h b/include/linux/netfilter/nfnetlink_conntrack.h
index 29fe9ea1d346..1a865e48b8eb 100644
--- a/include/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/linux/netfilter/nfnetlink_conntrack.h
@@ -100,6 +100,7 @@ enum ctattr_protoinfo_tcp {
 enum ctattr_protoinfo_dccp {
         CTA_PROTOINFO_DCCP_UNSPEC,
         CTA_PROTOINFO_DCCP_STATE,
+        CTA_PROTOINFO_DCCP_ROLE,
         __CTA_PROTOINFO_DCCP_MAX,
 };
 #define CTA_PROTOINFO_DCCP_MAX (__CTA_PROTOINFO_DCCP_MAX - 1)
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 7b1a652066c0..1b2e43502ef7 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -354,9 +354,6 @@ struct xt_table
         /* What hooks you will enter on */
         unsigned int valid_hooks;
 
-        /* Lock for the curtain */
-        struct mutex lock;
-
         /* Man behind the curtain... */
         struct xt_table_info *private;
 
@@ -434,8 +431,74 @@ extern void xt_proto_fini(struct net *net, u_int8_t af);
 
 extern struct xt_table_info *xt_alloc_table_info(unsigned int size);
 extern void xt_free_table_info(struct xt_table_info *info);
-extern void xt_table_entry_swap_rcu(struct xt_table_info *old,
-                                    struct xt_table_info *new);
+
+/*
+ * Per-CPU spinlock associated with per-cpu table entries, and
+ * with a counter for the "reading" side that allows a recursive
+ * reader to avoid taking the lock and deadlocking.
+ *
+ * "reading" is used by ip/arp/ip6 tables rule processing which runs per-cpu.
+ * It needs to ensure that the rules are not being changed while the packet
+ * is being processed. In some cases, the read lock will be acquired
+ * twice on the same CPU; this is okay because of the count.
+ *
+ * "writing" is used when reading counters.
+ *  During replace any readers that are using the old tables have to complete
+ *  before freeing the old table. This is handled by the write locking
+ *  necessary for reading the counters.
+ */
+struct xt_info_lock {
+        spinlock_t lock;
+        unsigned char readers;
+};
+DECLARE_PER_CPU(struct xt_info_lock, xt_info_locks);
+
+/*
+ * Note: we need to ensure that preemption is disabled before acquiring
+ * the per-cpu-variable, so we do it as a two step process rather than
+ * using "spin_lock_bh()".
+ *
+ * We _also_ need to disable bottom half processing before updating our
+ * nesting count, to make sure that the only kind of re-entrancy is this
+ * code being called by itself: since the count+lock is not an atomic
+ * operation, we can allow no races.
+ *
+ * _Only_ that special combination of being per-cpu and never getting
+ * re-entered asynchronously means that the count is safe.
+ */
+static inline void xt_info_rdlock_bh(void)
+{
+        struct xt_info_lock *lock;
+
+        local_bh_disable();
+        lock = &__get_cpu_var(xt_info_locks);
+        if (!lock->readers++)
+                spin_lock(&lock->lock);
+}
+
+static inline void xt_info_rdunlock_bh(void)
+{
+        struct xt_info_lock *lock = &__get_cpu_var(xt_info_locks);
+
+        if (!--lock->readers)
+                spin_unlock(&lock->lock);
+        local_bh_enable();
+}
+
+/*
+ * The "writer" side needs to get exclusive access to the lock,
+ * regardless of readers.  This must be called with bottom half
+ * processing (and thus also preemption) disabled.
+ */
+static inline void xt_info_wrlock(unsigned int cpu)
+{
+        spin_lock(&per_cpu(xt_info_locks, cpu).lock);
+}
+
+static inline void xt_info_wrunlock(unsigned int cpu)
+{
+        spin_unlock(&per_cpu(xt_info_locks, cpu).lock);
+}
 
 /*
  * This helper is performance critical and must be inlined
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index e4d08c1b2e0b..616bf8b3c8b5 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -376,6 +376,7 @@
 #define  PCI_EXP_TYPE_DOWNSTREAM 0x6    /* Downstream Port */
 #define  PCI_EXP_TYPE_PCI_BRIDGE 0x7    /* PCI/PCI-X Bridge */
 #define  PCI_EXP_TYPE_RC_END    0x9     /* Root Complex Integrated Endpoint */
+#define  PCI_EXP_TYPE_RC_EC     0x10    /* Root Complex Event Collector */
 #define PCI_EXP_FLAGS_SLOT      0x0100  /* Slot implemented */
 #define PCI_EXP_FLAGS_IRQ       0x3e00  /* Interrupt message number */
 #define PCI_EXP_DEVCAP          4       /* Device capabilities */
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
new file mode 100644
index 000000000000..8f921d74f49f
--- /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 cfda2d5ad319..1581ff235c7e 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/pktcdvd.h b/include/linux/pktcdvd.h
index 04b4d7330e6d..d745f5b6c7b0 100644
--- a/include/linux/pktcdvd.h
+++ b/include/linux/pktcdvd.h
@@ -113,6 +113,7 @@ struct pkt_ctrl_command {
 #include <linux/cdrom.h>
 #include <linux/kobject.h>
 #include <linux/sysfs.h>
+#include <linux/mempool.h>
 
 /* default bio write queue congestion marks */
 #define PKT_WRITE_CONGESTION_ON    10000
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 4848d8dacd90..225f733e7533 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -50,6 +50,7 @@ enum regulator_status {
  * @set_current_limit: Configure a limit for a current-limited regulator.
  * @get_current_limit: Get the configured limit for a current-limited regulator.
  *
+ * @set_mode: Set the configured operating mode for the regulator.
  * @get_mode: Get the configured operating mode for the regulator.
  * @get_status: Return actual (not as-configured) status of regulator, as a
  *      REGULATOR_STATUS value (or negative errno)
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index 5621d87c4479..6b361d23a499 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/section-names.h b/include/linux/section-names.h
new file mode 100644
index 000000000000..c956f4eb2adf
--- /dev/null
+++ b/include/linux/section-names.h
@@ -0,0 +1,6 @@
+#ifndef __LINUX_SECTION_NAMES_H
+#define __LINUX_SECTION_NAMES_H
+
+#define HEAD_TEXT_SECTION .head.text
+
+#endif /* !__LINUX_SECTION_NAMES_H */
diff --git a/include/linux/slow-work.h b/include/linux/slow-work.h
index 85958277f83d..b65c8881f07a 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 2cc43fa380cb..a0faa18f7b1b 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 dabe4ad89141..40617c1d8976 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
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index d6aad0ea6033..d43755669261 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -7,6 +7,9 @@
  * key configuration differences between boards.
  */
 
+#ifndef __LINUX_USB_MUSB_H
+#define __LINUX_USB_MUSB_H
+
 /* The USB role is defined by the connector used on the board, so long as
  * standards are being followed.  (Developer boards sometimes won't.)
  */
@@ -101,3 +104,5 @@ extern int __init tusb6010_setup_interface(
 extern int tusb6010_platform_retime(unsigned is_refclk);
 
 #endif  /* OMAP2 */
+
+#endif /* __LINUX_USB_MUSB_H */
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 5d631c17eaee..bc024632f365 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -440,13 +440,15 @@ void abort_exclusive_wait(wait_queue_head_t *q, wait_queue_t *wait,
 int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
 int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
 
-#define DEFINE_WAIT(name)                                               \
+#define DEFINE_WAIT_FUNC(name, function)                                \
         wait_queue_t name = {                                           \
                 .private        = current,                              \
-                .func           = autoremove_wake_function,             \
+                .func           = function,                             \
                 .task_list      = LIST_HEAD_INIT((name).task_list),     \
         }
 
+#define DEFINE_WAIT(name) DEFINE_WAIT_FUNC(name, autoremove_wake_function)
+
 #define DEFINE_WAIT_BIT(name, word, bit)                                \
         struct wait_bit_queue name = {                                  \
                 .key = __WAIT_BIT_KEY_INITIALIZER(word, bit),           \