12 files changed, 83 insertions, 11 deletions

diff --git a/include/linux/connector.h b/include/linux/connector.h
index da6dd957f908..96a89d3d6727 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -170,7 +170,5 @@ int cn_cb_equal(struct cb_id *, struct cb_id *);
 
 void cn_queue_wrapper(struct work_struct *work);
 
-extern int cn_already_initialized;
-
 #endif                          /* __KERNEL__ */
 #endif                          /* __CONNECTOR_H */
diff --git a/include/linux/elfcore-compat.h b/include/linux/elfcore-compat.h
index 532d13adabc4..0a90e1c3a422 100644
--- a/include/linux/elfcore-compat.h
+++ b/include/linux/elfcore-compat.h
@@ -45,8 +45,8 @@ struct compat_elf_prpsinfo
         char                            pr_zomb;
         char                            pr_nice;
         compat_ulong_t                  pr_flag;
-        compat_uid_t                    pr_uid;
-        compat_gid_t                    pr_gid;
+        __compat_uid_t                  pr_uid;
+        __compat_gid_t                  pr_gid;
         compat_pid_t                    pr_pid, pr_ppid, pr_pgrp, pr_sid;
         char                            pr_fname[16];
         char                            pr_psargs[ELF_PRARGSZ];
diff --git a/include/linux/ext4_fs_extents.h b/include/linux/ext4_fs_extents.h
index 697da4bce6c5..1285c583b2d8 100644
--- a/include/linux/ext4_fs_extents.h
+++ b/include/linux/ext4_fs_extents.h
@@ -227,5 +227,6 @@ extern int ext4_ext_search_left(struct inode *, struct ext4_ext_path *,
                                                 ext4_lblk_t *, ext4_fsblk_t *);
 extern int ext4_ext_search_right(struct inode *, struct ext4_ext_path *,
                                                 ext4_lblk_t *, ext4_fsblk_t *);
+extern void ext4_ext_drop_refs(struct ext4_ext_path *);
 #endif /* _LINUX_EXT4_EXTENTS */
 
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 2961ec788046..49829988bfa0 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -109,6 +109,14 @@ static inline void account_system_vtime(struct task_struct *tsk)
 }
 #endif
 
+#if defined(CONFIG_PREEMPT_RCU) && defined(CONFIG_NO_HZ)
+extern void rcu_irq_enter(void);
+extern void rcu_irq_exit(void);
+#else
+# define rcu_irq_enter() do { } while (0)
+# define rcu_irq_exit() do { } while (0)
+#endif /* CONFIG_PREEMPT_RCU */
+
 /*
  * It is safe to do non-atomic ops on ->hardirq_context,
  * because NMI handlers may not preempt and the ops are
@@ -117,6 +125,7 @@ static inline void account_system_vtime(struct task_struct *tsk)
  */
 #define __irq_enter()                                   \
         do {                                            \
+                rcu_irq_enter();                        \
                 account_system_vtime(current);          \
                 add_preempt_count(HARDIRQ_OFFSET);      \
                 trace_hardirq_enter();                  \
@@ -135,6 +144,7 @@ extern void irq_enter(void);
                 trace_hardirq_exit();                   \
                 account_system_vtime(current);          \
                 sub_preempt_count(HARDIRQ_OFFSET);      \
+                rcu_irq_exit();                         \
         } while (0)
 
 /*
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 76014f8f3c60..365e0df3646b 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -271,9 +271,16 @@ extern void i2c_unregister_device(struct i2c_client *);
  * This is done at arch_initcall time, before declaring any i2c adapters.
  * Modules for add-on boards must use other calls.
  */
+#ifdef CONFIG_I2C_BOARDINFO
 extern int
 i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n);
-
+#else
+static inline int
+i2c_register_board_info(int busnum, struct i2c_board_info const *info, unsigned n)
+{
+        return 0;
+}
+#endif
 
 /*
  * The following structs are for those who like to implement new bus drivers:
@@ -598,7 +605,7 @@ I2C_CLIENT_MODULE_PARM(probe, "List of adapter,address pairs to scan "	\
                        "additionally");                                 \
 I2C_CLIENT_MODULE_PARM(ignore, "List of adapter,address pairs not to "  \
                        "scan");                                         \
-const static struct i2c_client_address_data addr_data = {               \
+static const struct i2c_client_address_data addr_data = {               \
         .normal_i2c     = normal_i2c,                                   \
         .probe          = probe,                                        \
         .ignore         = ignore,                                       \
diff --git a/include/linux/maple.h b/include/linux/maple.h
index 3f01e2bae1a1..d31e36ebb436 100644
--- a/include/linux/maple.h
+++ b/include/linux/maple.h
@@ -64,7 +64,6 @@ struct maple_driver {
         int (*connect) (struct maple_device * dev);
         void (*disconnect) (struct maple_device * dev);
         struct device_driver drv;
-        int registered;
 };
 
 void maple_getcond_callback(struct maple_device *dev,
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index b74b615492e8..f0680c2bee73 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -31,7 +31,7 @@
 #define NF_VERDICT_QMASK 0xffff0000
 #define NF_VERDICT_QBITS 16
 
-#define NF_QUEUE_NR(x) (((x << NF_VERDICT_QBITS) & NF_VERDICT_QMASK) | NF_QUEUE)
+#define NF_QUEUE_NR(x) ((((x) << NF_VERDICT_BITS) & NF_VERDICT_QMASK) | NF_QUEUE)
 
 /* only for userspace compatibility */
 #ifndef __KERNEL__
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 4d6624260b4c..b3dccd68629e 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -160,5 +160,8 @@ extern void rcu_restart_cpu(int cpu);
 extern long rcu_batches_completed(void);
 extern long rcu_batches_completed_bh(void);
 
+#define rcu_enter_nohz()        do { } while (0)
+#define rcu_exit_nohz()         do { } while (0)
+
 #endif /* __KERNEL__ */
 #endif /* __LINUX_RCUCLASSIC_H */
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index 60c2a033b19e..01152ed532c8 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -82,5 +82,27 @@ extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu);
 
 struct softirq_action;
 
+#ifdef CONFIG_NO_HZ
+DECLARE_PER_CPU(long, dynticks_progress_counter);
+
+static inline void rcu_enter_nohz(void)
+{
+        __get_cpu_var(dynticks_progress_counter)++;
+        WARN_ON(__get_cpu_var(dynticks_progress_counter) & 0x1);
+        mb();
+}
+
+static inline void rcu_exit_nohz(void)
+{
+        mb();
+        __get_cpu_var(dynticks_progress_counter)++;
+        WARN_ON(!(__get_cpu_var(dynticks_progress_counter) & 0x1));
+}
+
+#else /* CONFIG_NO_HZ */
+#define rcu_enter_nohz()        do { } while (0)
+#define rcu_exit_nohz()         do { } while (0)
+#endif /* CONFIG_NO_HZ */
+
 #endif /* __KERNEL__ */
 #endif /* __LINUX_RCUPREEMPT_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e217d188a102..2c9621f8bf87 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -242,6 +242,7 @@ struct task_struct;
 
 extern void sched_init(void);
 extern void sched_init_smp(void);
+extern asmlinkage void schedule_tail(struct task_struct *prev);
 extern void init_idle(struct task_struct *idle, int cpu);
 extern void init_idle_bootup_task(struct task_struct *idle);
 
@@ -1189,7 +1190,7 @@ struct task_struct {
         int softirq_context;
 #endif
 #ifdef CONFIG_LOCKDEP
-# define MAX_LOCK_DEPTH 30UL
+# define MAX_LOCK_DEPTH 48UL
         u64 curr_chain_key;
         int lockdep_depth;
         struct held_lock held_locks[MAX_LOCK_DEPTH];
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
new file mode 100644
index 000000000000..893cc53486bc
--- /dev/null
+++ b/include/linux/serial_sci.h
@@ -0,0 +1,32 @@
+#ifndef __LINUX_SERIAL_SCI_H
+#define __LINUX_SERIAL_SCI_H
+
+#include <linux/serial_core.h>
+
+/*
+ * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
+ */
+
+/* Offsets into the sci_port->irqs array */
+enum {
+        SCIx_ERI_IRQ,
+        SCIx_RXI_IRQ,
+        SCIx_TXI_IRQ,
+        SCIx_BRI_IRQ,
+        SCIx_NR_IRQS,
+};
+
+/*
+ * Platform device specific platform_data struct
+ */
+struct plat_sci_port {
+        void __iomem    *membase;               /* io cookie */
+        unsigned long   mapbase;                /* resource base */
+        unsigned int    irqs[SCIx_NR_IRQS];     /* ERI, RXI, TXI, BRI */
+        unsigned int    type;                   /* SCI / SCIF / IRDA */
+        upf_t           flags;                  /* UPF_* flags */
+};
+
+int early_sci_setup(struct uart_port *port);
+
+#endif /* __LINUX_SERIAL_SCI_H */
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 75370ec0923e..9f1b4b46151e 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -246,8 +246,7 @@ static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
 static inline void __dec_zone_page_state(struct page *page,
                         enum zone_stat_item item)
 {
-        atomic_long_dec(&page_zone(page)->vm_stat[item]);
-        atomic_long_dec(&vm_stat[item]);
+        __dec_zone_state(page_zone(page), item);
 }
 
 /*