29 files changed, 176 insertions, 62 deletions

diff --git a/include/linux/ac97_codec.h b/include/linux/ac97_codec.h
index 22eb9367235a..0260c3e79fdd 100644
--- a/include/linux/ac97_codec.h
+++ b/include/linux/ac97_codec.h
@@ -326,11 +326,7 @@ struct ac97_ops
 #define AC97_DEFAULT_POWER_OFF 4 /* Needs warm reset to power up */
 };
 
-extern int ac97_read_proc (char *page_out, char **start, off_t off,
-                           int count, int *eof, void *data);
 extern int ac97_probe_codec(struct ac97_codec *);
-extern unsigned int ac97_set_adc_rate(struct ac97_codec *codec, unsigned int rate);
-extern unsigned int ac97_set_dac_rate(struct ac97_codec *codec, unsigned int rate);
 
 extern struct ac97_codec *ac97_alloc_codec(void);
 extern void ac97_release_codec(struct ac97_codec *codec);
@@ -363,7 +359,4 @@ struct ac97_quirk {
         int type;               /* quirk type above */
 };
 
-struct pci_dev;
-extern int ac97_tune_hardware(struct pci_dev *pdev, struct ac97_quirk *quirk, int override);
-
 #endif /* _AC97_CODEC_H_ */
diff --git a/include/linux/acct.h b/include/linux/acct.h
index 302eb727ecb8..e8cae54e8d88 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -173,7 +173,11 @@ typedef struct acct acct_t;
 static inline u32 jiffies_to_AHZ(unsigned long x)
 {
 #if (TICK_NSEC % (NSEC_PER_SEC / AHZ)) == 0
+# if HZ < AHZ
+        return x * (AHZ / HZ);
+# else
         return x / (HZ / AHZ);
+# endif
 #else
         u64 tmp = (u64)x * TICK_NSEC;
         do_div(tmp, (NSEC_PER_SEC / AHZ));
diff --git a/include/linux/compat.h b/include/linux/compat.h
index ae0a483bef9b..a671dbff7a1f 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -257,16 +257,8 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid,
 /*
  * epoll (fs/eventpoll.c) compat bits follow ...
  */
-#ifndef CONFIG_HAS_COMPAT_EPOLL_EVENT
 struct epoll_event;
 #define compat_epoll_event      epoll_event
-#else
-asmlinkage long compat_sys_epoll_ctl(int epfd, int op, int fd,
-                        struct compat_epoll_event __user *event);
-asmlinkage long compat_sys_epoll_wait(int epfd,
-                        struct compat_epoll_event __user *events,
-                        int maxevents, int timeout);
-#endif
 asmlinkage long compat_sys_epoll_pwait(int epfd,
                         struct compat_epoll_event __user *events,
                         int maxevents, int timeout,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 56bd421c1208..109734bf6377 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -21,7 +21,7 @@
 
 /* Fixed constants first: */
 #undef NR_OPEN
-#define NR_OPEN (1024*1024)     /* Absolute upper limit on fd num */
+extern int sysctl_nr_open;
 #define INR_OPEN 1024           /* Initial setting for nfile rlimits */
 
 #define BLOCK_SIZE_BITS 10
@@ -977,7 +977,6 @@ extern int send_sigurg(struct fown_struct *fown);
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
 
-#define sb_entry(list)  list_entry((list), struct super_block, s_list)
 #define S_BIAS (1<<30)
 struct super_block {
         struct list_head        s_list;         /* Keep this first */
@@ -1279,8 +1278,10 @@ struct super_operations {
  *
  * Two bits are used for locking and completion notification, I_LOCK and I_SYNC.
  *
- * I_DIRTY_SYNC         Inode itself is dirty.
- * I_DIRTY_DATASYNC     Data-related inode changes pending
+ * I_DIRTY_SYNC         Inode is dirty, but doesn't have to be written on
+ *                      fdatasync().  i_atime is the usual cause.
+ * I_DIRTY_DATASYNC     Inode is dirty and must be written on fdatasync(), f.e.
+ *                      because i_size changed.
  * I_DIRTY_PAGES        Inode has dirty pages.  Inode itself may be clean.
  * I_NEW                get_new_inode() sets i_state to I_LOCK|I_NEW.  Both
  *                      are cleared by unlock_new_inode(), called from iget().
@@ -1312,8 +1313,6 @@ struct super_operations {
  *                      purpose reduces latency and prevents some filesystem-
  *                      specific deadlocks.
  *
- * Q: Why does I_DIRTY_DATASYNC exist?  It appears as if it could be replaced
- *    by (I_DIRTY_SYNC|I_DIRTY_PAGES).
  * Q: What is the difference between I_WILL_FREE and I_FREEING?
  * Q: igrab() only checks on (I_FREEING|I_WILL_FREE).  Should it also check on
  *    I_CLEAR?  If not, why?
@@ -2113,6 +2112,7 @@ 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);
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_FS_H */
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 2bd31fa623b6..d4b7c4ac72e6 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -92,6 +92,14 @@ static inline void fsnotify_inoderemove(struct inode *inode)
 }
 
 /*
+ * fsnotify_link_count - inode's link count changed
+ */
+static inline void fsnotify_link_count(struct inode *inode)
+{
+        inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);
+}
+
+/*
  * fsnotify_create - 'name' was linked in
  */
 static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
@@ -103,6 +111,20 @@ static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
 }
 
 /*
+ * fsnotify_link - new hardlink in 'inode' directory
+ * Note: We have to pass also the linked inode ptr as some filesystems leave
+ *   new_dentry->d_inode NULL and instantiate inode pointer later
+ */
+static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct dentry *new_dentry)
+{
+        inode_dir_notify(dir, DN_CREATE);
+        inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
+                                  inode);
+        fsnotify_link_count(inode);
+        audit_inode_child(new_dentry->d_name.name, new_dentry, dir);
+}
+
+/*
  * fsnotify_mkdir - directory 'name' was created
  */
 static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
diff --git a/include/linux/hash.h b/include/linux/hash.h
index acf17bb8e7f9..06d25c189cc5 100644
--- a/include/linux/hash.h
+++ b/include/linux/hash.h
@@ -1,6 +1,6 @@
 #ifndef _LINUX_HASH_H
 #define _LINUX_HASH_H
-/* Fast hashing routine for a long.
+/* Fast hashing routine for ints,  longs and pointers.
    (C) 2002 William Lee Irwin III, IBM */
 
 /*
@@ -13,23 +13,30 @@
  * them can use shifts and additions instead of multiplications for
  * machines where multiplications are slow.
  */
-#if BITS_PER_LONG == 32
+
+#include <asm/types.h>
+
 /* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */
-#define GOLDEN_RATIO_PRIME 0x9e370001UL
-#elif BITS_PER_LONG == 64
+#define GOLDEN_RATIO_PRIME_32 0x9e370001UL
 /*  2^63 + 2^61 - 2^57 + 2^54 - 2^51 - 2^18 + 1 */
-#define GOLDEN_RATIO_PRIME 0x9e37fffffffc0001UL
+#define GOLDEN_RATIO_PRIME_64 0x9e37fffffffc0001UL
+
+#if BITS_PER_LONG == 32
+#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_PRIME_32
+#define hash_long(val, bits) hash_32(val, bits)
+#elif BITS_PER_LONG == 64
+#define hash_long(val, bits) hash_64(val, bits)
+#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_PRIME_64
 #else
-#error Define GOLDEN_RATIO_PRIME for your wordsize.
+#error Wordsize not 32 or 64
 #endif
 
-static inline unsigned long hash_long(unsigned long val, unsigned int bits)
+static inline u64 hash_64(u64 val, unsigned int bits)
 {
-        unsigned long hash = val;
+        u64 hash = val;
 
-#if BITS_PER_LONG == 64
         /*  Sigh, gcc can't optimise this alone like it does for 32 bits. */
-        unsigned long n = hash;
+        u64 n = hash;
         n <<= 18;
         hash -= n;
         n <<= 33;
@@ -42,15 +49,20 @@ static inline unsigned long hash_long(unsigned long val, unsigned int bits)
         hash += n;
         n <<= 2;
         hash += n;
-#else
+
+        /* High bits are more random, so use them. */
+        return hash >> (64 - bits);
+}
+
+static inline u32 hash_32(u32 val, unsigned int bits)
+{
         /* On some cpus multiply is faster, on others gcc will do shifts */
-        hash *= GOLDEN_RATIO_PRIME;
-#endif
+        u32 hash = val * GOLDEN_RATIO_PRIME_32;
 
         /* High bits are more random, so use them. */
-        return hash >> (BITS_PER_LONG - bits);
+        return hash >> (32 - bits);
 }
-        
+
 static inline unsigned long hash_ptr(void *ptr, unsigned int bits)
 {
         return hash_long((unsigned long)ptr, bits);
diff --git a/include/linux/i2c/pca9539.h b/include/linux/i2c/pca953x.h
index 611d84ab7a30..3c7361217df8 100644
--- a/include/linux/i2c/pca9539.h
+++ b/include/linux/i2c/pca953x.h
@@ -1,6 +1,6 @@
 /* platform data for the PCA9539 16-bit I/O expander driver */
 
-struct pca9539_platform_data {
+struct pca953x_platform_data {
         /* number of the first GPIO */
         unsigned        gpio_base;
 
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index c3db4a00f1fa..dea7598aeff4 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -444,4 +444,6 @@ static inline void init_irq_proc(void)
 }
 #endif
 
+int show_interrupts(struct seq_file *p, void *v);
+
 #endif
diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index d0ecc8eebfbf..9cb2855bb170 100644
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -507,7 +507,6 @@ typedef struct modem_info {
   struct ktermios       normal_termios;  /* For saving termios structs     */
   struct ktermios       callout_termios;
   wait_queue_head_t     open_wait, close_wait;
-  struct semaphore      write_sem;
   spinlock_t            readlock;
 } modem_info;
 
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index d9ecd13393b0..b18fd3b9b835 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -33,7 +33,6 @@
 #include <linux/lockdep.h>
 
 #include <asm/semaphore.h>
-#endif
 
 #define journal_oom_retry 1
 
@@ -84,7 +83,6 @@ static inline void jbd_free(void *ptr, size_t size)
 
 #define JFS_MIN_JOURNAL_BLOCKS 1024
 
-#ifdef __KERNEL__
 
 /**
  * typedef handle_t - The handle_t type represents a single atomic update being performed by some process.
@@ -924,7 +922,6 @@ extern int	   journal_recover    (journal_t *journal);
 extern int         journal_wipe       (journal_t *, int);
 extern int         journal_skip_recovery        (journal_t *);
 extern void        journal_update_superblock    (journal_t *, int);
-extern void        __journal_abort_hard (journal_t *);
 extern void        journal_abort      (journal_t *, int);
 extern int         journal_errno      (journal_t *);
 extern void        journal_ack_err    (journal_t *);
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index ff356b2ee478..18222f267bc4 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -35,7 +35,7 @@ extern const char linux_proc_banner[];
 #define ALIGN(x,a)              __ALIGN_MASK(x,(typeof(x))(a)-1)
 #define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
 #define PTR_ALIGN(p, a)         ((typeof(p))ALIGN((unsigned long)(p), (a)))
-#define IS_ALIGNED(x,a)         (((x) % ((typeof(x))(a))) == 0)
+#define IS_ALIGNED(x, a)                (((x) & ((typeof(x))(a) - 1)) == 0)
 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
 
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 6168c0a44172..4a6ce82ba039 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -152,8 +152,10 @@ static inline int arch_trampoline_kprobe(struct kprobe *p)
 struct kretprobe {
         struct kprobe kp;
         kretprobe_handler_t handler;
+        kretprobe_handler_t entry_handler;
         int maxactive;
         int nmissed;
+        size_t data_size;
         struct hlist_head free_instances;
         struct hlist_head used_instances;
 };
@@ -164,6 +166,7 @@ struct kretprobe_instance {
         struct kretprobe *rp;
         kprobe_opcode_t *ret_addr;
         struct task_struct *task;
+        char data[0];
 };
 
 struct kretprobe_blackpoint {
diff --git a/include/linux/log2.h b/include/linux/log2.h
index c8cf5e8ef171..25b808631cd9 100644
--- a/include/linux/log2.h
+++ b/include/linux/log2.h
@@ -190,4 +190,20 @@ unsigned long __rounddown_pow_of_two(unsigned long n)
         __rounddown_pow_of_two(n)               \
  )
 
+/**
+ * order_base_2 - calculate the (rounded up) base 2 order of the argument
+ * @n: parameter
+ *
+ * The first few values calculated by this routine:
+ *  ob2(0) = 0
+ *  ob2(1) = 0
+ *  ob2(2) = 1
+ *  ob2(3) = 2
+ *  ob2(4) = 2
+ *  ob2(5) = 3
+ *  ... and so on.
+ */
+
+#define order_base_2(n) ilog2(roundup_pow_of_two(n))
+
 #endif /* _LINUX_LOG2_H */
diff --git a/include/linux/loop.h b/include/linux/loop.h
index 26a0a103898f..46169a7b559b 100644
--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -76,6 +76,7 @@ struct loop_device {
 enum {
         LO_FLAGS_READ_ONLY      = 1,
         LO_FLAGS_USE_AOPS       = 2,
+        LO_FLAGS_AUTOCLEAR      = 4,
 };
 
 #include <asm/posix_types.h>    /* for __kernel_old_dev_t */
diff --git a/include/linux/lp.h b/include/linux/lp.h
index 7059b6b9878a..0df024bfd6f0 100644
--- a/include/linux/lp.h
+++ b/include/linux/lp.h
@@ -99,7 +99,7 @@
 #ifdef __KERNEL__
 
 #include <linux/wait.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
 
 /* Magic numbers for defining port-device mappings */
 #define LP_PARPORT_UNSPEC -4
@@ -145,7 +145,7 @@ struct lp_struct {
 #endif
         wait_queue_head_t waitq;
         unsigned int last_error;
-        struct semaphore port_mutex;
+        struct mutex port_mutex;
         wait_queue_head_t dataq;
         long timeout;
         unsigned int best_mode;
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 39d32837265b..df6dd79a0d3b 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1765,6 +1765,7 @@
 #define PCI_DEVICE_ID_QUATECH_DSC100    0x0020
 #define PCI_DEVICE_ID_QUATECH_ESC100D   0x0050
 #define PCI_DEVICE_ID_QUATECH_ESC100M   0x0060
+#define PCI_DEVICE_ID_QUATECH_SPPXP_100 0x0278
 
 #define PCI_VENDOR_ID_SEALEVEL          0x135e
 #define PCI_DEVICE_ID_SEALEVEL_U530     0x7101
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 50faa0ea28e4..1ac969724bb2 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -54,7 +54,7 @@
 #ifdef CONFIG_SMP
 
 struct percpu_data {
-        void *ptrs[NR_CPUS];
+        void *ptrs[1];
 };
 
 #define __percpu_disguise(pdata) (struct percpu_data *)~(unsigned long)(pdata)
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index b9339d8b95bc..cd6332b88829 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -258,6 +258,7 @@ extern struct pnp_protocol isapnp_protocol;
 #else
 #define pnp_device_is_isapnp(dev) 0
 #endif
+extern struct mutex pnp_res_mutex;
 
 #ifdef CONFIG_PNPBIOS
 extern struct pnp_protocol pnpbios_protocol;
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 515bff053de8..6ab80714a916 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -204,6 +204,41 @@ static inline void user_enable_block_step(struct task_struct *task)
 }
 #endif  /* arch_has_block_step */
 
+#ifndef arch_ptrace_stop_needed
+/**
+ * arch_ptrace_stop_needed - Decide whether arch_ptrace_stop() should be called
+ * @code:       current->exit_code value ptrace will stop with
+ * @info:       siginfo_t pointer (or %NULL) for signal ptrace will stop with
+ *
+ * This is called with the siglock held, to decide whether or not it's
+ * necessary to release the siglock and call arch_ptrace_stop() with the
+ * same @code and @info arguments.  It can be defined to a constant if
+ * arch_ptrace_stop() is never required, or always is.  On machines where
+ * this makes sense, it should be defined to a quick test to optimize out
+ * calling arch_ptrace_stop() when it would be superfluous.  For example,
+ * if the thread has not been back to user mode since the last stop, the
+ * thread state might indicate that nothing needs to be done.
+ */
+#define arch_ptrace_stop_needed(code, info)     (0)
+#endif
+
+#ifndef arch_ptrace_stop
+/**
+ * arch_ptrace_stop - Do machine-specific work before stopping for ptrace
+ * @code:       current->exit_code value ptrace will stop with
+ * @info:       siginfo_t pointer (or %NULL) for signal ptrace will stop with
+ *
+ * This is called with no locks held when arch_ptrace_stop_needed() has
+ * just returned nonzero.  It is allowed to block, e.g. for user memory
+ * access.  The arch can have machine-specific work to be done before
+ * ptrace stops.  On ia64, register backing store gets written back to user
+ * memory here.  Since this can be costly (requires dropping the siglock),
+ * we only do it when the arch requires it for this particular stop, as
+ * indicated by arch_ptrace_stop_needed().
+ */
+#define arch_ptrace_stop(code, info)            do { } while (0)
+#endif
+
 #endif
 
 #endif
diff --git a/include/linux/raid/bitmap.h b/include/linux/raid/bitmap.h
index 306a1d1a5af0..e51b531cd0b2 100644
--- a/include/linux/raid/bitmap.h
+++ b/include/linux/raid/bitmap.h
@@ -244,6 +244,8 @@ struct bitmap {
          */
         unsigned long daemon_lastrun; /* jiffies of last run */
         unsigned long daemon_sleep; /* how many seconds between updates? */
+        unsigned long last_end_sync; /* when we lasted called end_sync to
+                                      * update bitmap with resync progress */
 
         atomic_t pending_writes; /* pending writes to the bitmap file */
         wait_queue_head_t write_wait;
@@ -275,6 +277,7 @@ void bitmap_endwrite(struct bitmap *bitmap, sector_t offset,
 int bitmap_start_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int degraded);
 void bitmap_end_sync(struct bitmap *bitmap, sector_t offset, int *blocks, int aborted);
 void bitmap_close_sync(struct bitmap *bitmap);
+void bitmap_cond_end_sync(struct bitmap *bitmap, sector_t sector);
 
 void bitmap_unplug(struct bitmap *bitmap);
 void bitmap_daemon_work(struct bitmap *bitmap);
diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index dcb729244f47..85a068bab625 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -81,6 +81,8 @@ struct mdk_rdev_s
 #define In_sync         2               /* device is in_sync with rest of array */
 #define WriteMostly     4               /* Avoid reading if at all possible */
 #define BarriersNotsupp 5               /* BIO_RW_BARRIER is not supported */
+#define AllReserved     6               /* If whole device is reserved for
+                                         * one array */
 
         int desc_nr;                    /* descriptor index in the superblock */
         int raid_disk;                  /* role of device in array */
@@ -130,6 +132,9 @@ struct mddev_s
                                         minor_version,
                                         patch_version;
         int                             persistent;
+        int                             external;       /* metadata is
+                                                         * managed externally */
+        char                            metadata_type[17]; /* externally set*/
         int                             chunk_size;
         time_t                          ctime, utime;
         int                             level, layout;
@@ -216,6 +221,8 @@ struct mddev_s
         atomic_t                        recovery_active; /* blocks scheduled, but not written */
         wait_queue_head_t               recovery_wait;
         sector_t                        recovery_cp;
+        sector_t                        resync_max;     /* resync should pause
+                                                         * when it gets here */
 
         spinlock_t                      write_lock;
         wait_queue_head_t               sb_wait;        /* for waiting on superblock updates */
@@ -306,23 +313,17 @@ static inline char * mdname (mddev_t * mddev)
  * iterates through some rdev ringlist. It's safe to remove the
  * current 'rdev'. Dont touch 'tmp' though.
  */
-#define ITERATE_RDEV_GENERIC(head,rdev,tmp)                             \
+#define rdev_for_each_list(rdev, tmp, list)                             \
                                                                         \
-        for ((tmp) = (head).next;                                       \
+        for ((tmp) = (list).next;                                       \
                 (rdev) = (list_entry((tmp), mdk_rdev_t, same_set)),     \
-                        (tmp) = (tmp)->next, (tmp)->prev != &(head)     \
+                        (tmp) = (tmp)->next, (tmp)->prev != &(list)     \
                 ; )
 /*
  * iterates through the 'same array disks' ringlist
  */
-#define ITERATE_RDEV(mddev,rdev,tmp)                                    \
-        ITERATE_RDEV_GENERIC((mddev)->disks,rdev,tmp)
-
-/*
- * Iterates through 'pending RAID disks'
- */
-#define ITERATE_RDEV_PENDING(rdev,tmp)                                  \
-        ITERATE_RDEV_GENERIC(pending_raid_disks,rdev,tmp)
+#define rdev_for_each(rdev, tmp, mddev)                         \
+        rdev_for_each_list(rdev, tmp, (mddev)->disks)
 
 typedef struct mdk_thread_s {
         void                    (*run) (mddev_t *mddev);
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index d32c14de270e..37a642c54871 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -174,10 +174,13 @@ struct rcu_head {
  * code.
  */
 
-#define rcu_assign_pointer(p, v)        ({ \
-                                                smp_wmb(); \
-                                                (p) = (v); \
-                                        })
+#define rcu_assign_pointer(p, v) \
+        ({ \
+                if (!__builtin_constant_p(v) || \
+                    ((v) != NULL)) \
+                        smp_wmb(); \
+                (p) = (v); \
+        })
 
 /**
  * synchronize_sched - block until all CPUs have exited any non-preemptive
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9c13be3a21e8..7c8ca05c3cae 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -810,7 +810,7 @@ static inline int above_background_load(void)
 
 struct io_context;                      /* See blkdev.h */
 #define NGROUPS_SMALL           32
-#define NGROUPS_PER_BLOCK       ((int)(PAGE_SIZE / sizeof(gid_t)))
+#define NGROUPS_PER_BLOCK       ((unsigned int)(PAGE_SIZE / sizeof(gid_t)))
 struct group_info {
         int ngroups;
         atomic_t usage;
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 0ae338866240..7e095147656c 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -371,6 +371,8 @@ int unhandled_signal(struct task_struct *tsk, int sig);
         (!siginmask(signr, SIG_KERNEL_IGNORE_MASK|SIG_KERNEL_STOP_MASK) && \
          (t)->sighand->action[(signr)-1].sa.sa_handler == SIG_DFL)
 
+void signals_init(void);
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_SIGNAL_H */
diff --git a/include/linux/sm501.h b/include/linux/sm501.h
index 9e3aaad6fe4d..932a9efee8a5 100644
--- a/include/linux/sm501.h
+++ b/include/linux/sm501.h
@@ -70,6 +70,8 @@ extern unsigned long sm501_gpio_get(struct device *dev,
 #define SM501FB_FLAG_DISABLE_AT_EXIT    (1<<1)
 #define SM501FB_FLAG_USE_HWCURSOR       (1<<2)
 #define SM501FB_FLAG_USE_HWACCEL        (1<<3)
+#define SM501FB_FLAG_PANEL_USE_FPEN     (1<<4)
+#define SM501FB_FLAG_PANEL_USE_VBIASEN  (1<<5)
 
 struct sm501_platdata_fbsub {
         struct fb_videomode     *def_mode;
diff --git a/include/linux/timex.h b/include/linux/timex.h
index 24c6a2b59511..8ea3e71ba7fa 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -244,6 +244,8 @@ extern int do_adjtimex(struct timex *);
 /* Don't use! Compatibility define for existing users. */
 #define tickadj (500/HZ ? : 1)
 
+int read_current_timer(unsigned long *timer_val);
+
 #endif /* KERNEL */
 
 #endif /* LINUX_TIMEX_H */
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 402de892b3ed..5824a9777ad7 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -74,7 +74,6 @@ struct tty_buffer {
 
 struct tty_bufhead {
         struct delayed_work work;
-        struct semaphore pty_sem;
         spinlock_t lock;
         struct tty_buffer *head;        /* Queue head */
         struct tty_buffer *tail;        /* Active buffer */
diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h
index feb5e99a1079..9448ffbdcbf6 100644
--- a/include/linux/vt_kern.h
+++ b/include/linux/vt_kern.h
@@ -77,6 +77,7 @@ void change_console(struct vc_data *new_vc);
 void reset_vc(struct vc_data *vc);
 extern int unbind_con_driver(const struct consw *csw, int first, int last,
                              int deflt);
+int vty_init(void);
 
 /*
  * vc_screen.c shares this temporary buffer with the console write code so that
diff --git a/include/linux/w1-gpio.h b/include/linux/w1-gpio.h
new file mode 100644
index 000000000000..9797fec7748a
--- /dev/null
+++ b/include/linux/w1-gpio.h
@@ -0,0 +1,23 @@
+/*
+ * w1-gpio interface to platform code
+ *
+ * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ */
+#ifndef _LINUX_W1_GPIO_H
+#define _LINUX_W1_GPIO_H
+
+/**
+ * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
+ * @pin: GPIO pin to use
+ * @is_open_drain: GPIO pin is configured as open drain
+ */
+struct w1_gpio_platform_data {
+        unsigned int pin;
+        unsigned int is_open_drain:1;
+};
+
+#endif /* _LINUX_W1_GPIO_H */