28 files changed, 277 insertions, 90 deletions

diff --git a/include/asm-arm/arch-s3c2410/spi.h b/include/asm-arm/arch-s3c2410/spi.h
index 7ca0ed97a6d0..352d33860b63 100644
--- a/include/asm-arm/arch-s3c2410/spi.h
+++ b/include/asm-arm/arch-s3c2410/spi.h
@@ -15,6 +15,7 @@
 
 struct s3c2410_spi_info {
         unsigned long            pin_cs;        /* simple gpio cs */
+        unsigned int             num_cs;        /* total chipselects */
 
         void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol);
 };
diff --git a/include/asm-frv/mem-layout.h b/include/asm-frv/mem-layout.h
index 83532252b8be..734a1d0583b6 100644
--- a/include/asm-frv/mem-layout.h
+++ b/include/asm-frv/mem-layout.h
@@ -60,7 +60,7 @@
  */
 #define BRK_BASE                        __UL(2 * 1024 * 1024 + PAGE_SIZE)
 #define STACK_TOP                       __UL(2 * 1024 * 1024)
-#define STACK_TOP_MAX   STACK_TOP
+#define STACK_TOP_MAX                   __UL(0xc0000000)
 
 /* userspace process size */
 #ifdef CONFIG_MMU
diff --git a/include/asm-frv/pgtable.h b/include/asm-frv/pgtable.h
index 6c0682ed5fc9..4e219046fe42 100644
--- a/include/asm-frv/pgtable.h
+++ b/include/asm-frv/pgtable.h
@@ -507,13 +507,22 @@ static inline int pte_file(pte_t pte)
  */
 static inline void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 {
+        struct mm_struct *mm;
         unsigned long ampr;
-        pgd_t *pge = pgd_offset(current->mm, address);
-        pud_t *pue = pud_offset(pge, address);
-        pmd_t *pme = pmd_offset(pue, address);
 
-        ampr = pme->ste[0] & 0xffffff00;
-        ampr |= xAMPRx_L | xAMPRx_SS_16Kb | xAMPRx_S | xAMPRx_C | xAMPRx_V;
+        mm = current->mm;
+        if (mm) {
+                pgd_t *pge = pgd_offset(mm, address);
+                pud_t *pue = pud_offset(pge, address);
+                pmd_t *pme = pmd_offset(pue, address);
+
+                ampr = pme->ste[0] & 0xffffff00;
+                ampr |= xAMPRx_L | xAMPRx_SS_16Kb | xAMPRx_S | xAMPRx_C |
+                        xAMPRx_V;
+        } else {
+                address = ULONG_MAX;
+                ampr = 0;
+        }
 
         asm volatile("movgs %0,scr0\n"
                      "movgs %0,scr1\n"
diff --git a/include/asm-frv/spr-regs.h b/include/asm-frv/spr-regs.h
index c2a541ef828d..01e6af5e99b8 100644
--- a/include/asm-frv/spr-regs.h
+++ b/include/asm-frv/spr-regs.h
@@ -99,9 +99,23 @@
 #define TBR_TT_TRAP1            (0x81 << 4)
 #define TBR_TT_TRAP2            (0x82 << 4)
 #define TBR_TT_TRAP3            (0x83 << 4)
+#define TBR_TT_TRAP120          (0xf8 << 4)
+#define TBR_TT_TRAP121          (0xf9 << 4)
+#define TBR_TT_TRAP122          (0xfa << 4)
+#define TBR_TT_TRAP123          (0xfb << 4)
+#define TBR_TT_TRAP124          (0xfc << 4)
+#define TBR_TT_TRAP125          (0xfd << 4)
 #define TBR_TT_TRAP126          (0xfe << 4)
 #define TBR_TT_BREAK            (0xff << 4)
 
+#define TBR_TT_ATOMIC_CMPXCHG32 TBR_TT_TRAP120
+#define TBR_TT_ATOMIC_XCHG32    TBR_TT_TRAP121
+#define TBR_TT_ATOMIC_XOR       TBR_TT_TRAP122
+#define TBR_TT_ATOMIC_OR        TBR_TT_TRAP123
+#define TBR_TT_ATOMIC_AND       TBR_TT_TRAP124
+#define TBR_TT_ATOMIC_SUB       TBR_TT_TRAP125
+#define TBR_TT_ATOMIC_ADD       TBR_TT_TRAP126
+
 #define __get_TBR()     ({ unsigned long x; asm volatile("movsg tbr,%0" : "=r"(x)); x; })
 
 /*
diff --git a/include/asm-frv/system.h b/include/asm-frv/system.h
index 2c57f4734746..30a67a9da11a 100644
--- a/include/asm-frv/system.h
+++ b/include/asm-frv/system.h
@@ -179,14 +179,23 @@ do {							\
 #define mb()                    asm volatile ("membar" : : :"memory")
 #define rmb()                   asm volatile ("membar" : : :"memory")
 #define wmb()                   asm volatile ("membar" : : :"memory")
-#define set_mb(var, value)      do { var = value; mb(); } while (0)
+#define read_barrier_depends()  barrier()
 
-#define smp_mb()                mb()
-#define smp_rmb()               rmb()
-#define smp_wmb()               wmb()
-
-#define read_barrier_depends()          do {} while(0)
+#ifdef CONFIG_SMP
+#define smp_mb()                        mb()
+#define smp_rmb()                       rmb()
+#define smp_wmb()                       wmb()
 #define smp_read_barrier_depends()      read_barrier_depends()
+#define set_mb(var, value) \
+        do { xchg(&var, (value)); } while (0)
+#else
+#define smp_mb()                        barrier()
+#define smp_rmb()                       barrier()
+#define smp_wmb()                       barrier()
+#define smp_read_barrier_depends()      do {} while(0)
+#define set_mb(var, value) \
+        do { var = (value); barrier(); } while (0)
+#endif
 
 #define HARD_RESET_NOW()                        \
 do {                                            \
diff --git a/include/asm-ia64/cputime.h b/include/asm-ia64/cputime.h
index 72400a78002a..f9abdec6577a 100644
--- a/include/asm-ia64/cputime.h
+++ b/include/asm-ia64/cputime.h
@@ -1,6 +1,110 @@
+/*
+ * include/asm-ia64/cputime.h:
+ *              Definitions for measuring cputime on ia64 machines.
+ *
+ * Based on <asm-powerpc/cputime.h>.
+ *
+ * Copyright (C) 2007 FUJITSU LIMITED
+ * Copyright (C) 2007 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * If we have CONFIG_VIRT_CPU_ACCOUNTING, we measure cpu time in nsec.
+ * Otherwise we measure cpu time in jiffies using the generic definitions.
+ */
+
 #ifndef __IA64_CPUTIME_H
 #define __IA64_CPUTIME_H
 
+#ifndef CONFIG_VIRT_CPU_ACCOUNTING
 #include <asm-generic/cputime.h>
+#else
+
+#include <linux/time.h>
+#include <linux/jiffies.h>
+#include <asm/processor.h>
+
+typedef u64 cputime_t;
+typedef u64 cputime64_t;
+
+#define cputime_zero                    ((cputime_t)0)
+#define cputime_max                     ((~((cputime_t)0) >> 1) - 1)
+#define cputime_add(__a, __b)           ((__a) +  (__b))
+#define cputime_sub(__a, __b)           ((__a) -  (__b))
+#define cputime_div(__a, __n)           ((__a) /  (__n))
+#define cputime_halve(__a)              ((__a) >> 1)
+#define cputime_eq(__a, __b)            ((__a) == (__b))
+#define cputime_gt(__a, __b)            ((__a) >  (__b))
+#define cputime_ge(__a, __b)            ((__a) >= (__b))
+#define cputime_lt(__a, __b)            ((__a) <  (__b))
+#define cputime_le(__a, __b)            ((__a) <= (__b))
+
+#define cputime64_zero                  ((cputime64_t)0)
+#define cputime64_add(__a, __b)         ((__a) + (__b))
+#define cputime64_sub(__a, __b)         ((__a) - (__b))
+#define cputime_to_cputime64(__ct)      (__ct)
+
+/*
+ * Convert cputime <-> jiffies (HZ)
+ */
+#define cputime_to_jiffies(__ct)        ((__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies_to_cputime(__jif)       ((__jif) * (NSEC_PER_SEC / HZ))
+#define cputime64_to_jiffies64(__ct)    ((__ct) / (NSEC_PER_SEC / HZ))
+#define jiffies64_to_cputime64(__jif)   ((__jif) * (NSEC_PER_SEC / HZ))
+
+/*
+ * Convert cputime <-> milliseconds
+ */
+#define cputime_to_msecs(__ct)          ((__ct) / NSEC_PER_MSEC)
+#define msecs_to_cputime(__msecs)       ((__msecs) * NSEC_PER_MSEC)
+
+/*
+ * Convert cputime <-> seconds
+ */
+#define cputime_to_secs(__ct)           ((__ct) / NSEC_PER_SEC)
+#define secs_to_cputime(__secs)         ((__secs) * NSEC_PER_SEC)
+
+/*
+ * Convert cputime <-> timespec (nsec)
+ */
+static inline cputime_t timespec_to_cputime(const struct timespec *val)
+{
+        cputime_t ret = val->tv_sec * NSEC_PER_SEC;
+        return (ret + val->tv_nsec);
+}
+static inline void cputime_to_timespec(const cputime_t ct, struct timespec *val)
+{
+        val->tv_sec  = ct / NSEC_PER_SEC;
+        val->tv_nsec = ct % NSEC_PER_SEC;
+}
+
+/*
+ * Convert cputime <-> timeval (msec)
+ */
+static inline cputime_t timeval_to_cputime(struct timeval *val)
+{
+        cputime_t ret = val->tv_sec * NSEC_PER_SEC;
+        return (ret + val->tv_usec * NSEC_PER_USEC);
+}
+static inline void cputime_to_timeval(const cputime_t ct, struct timeval *val)
+{
+        val->tv_sec = ct / NSEC_PER_SEC;
+        val->tv_usec = (ct % NSEC_PER_SEC) / NSEC_PER_USEC;
+}
+
+/*
+ * Convert cputime <-> clock (USER_HZ)
+ */
+#define cputime_to_clock_t(__ct)        ((__ct) / (NSEC_PER_SEC / USER_HZ))
+#define clock_t_to_cputime(__x)         ((__x) * (NSEC_PER_SEC / USER_HZ))
+
+/*
+ * Convert cputime64 to clock.
+ */
+#define cputime64_to_clock_t(__ct)      cputime_to_clock_t((cputime_t)__ct)
 
+#endif /* CONFIG_VIRT_CPU_ACCOUNTING */
 #endif /* __IA64_CPUTIME_H */
diff --git a/include/asm-ia64/elf.h b/include/asm-ia64/elf.h
index f8e83eca67a2..5e0c1a6bce8d 100644
--- a/include/asm-ia64/elf.h
+++ b/include/asm-ia64/elf.h
@@ -26,6 +26,7 @@
 #define ELF_ARCH        EM_IA_64
 
 #define USE_ELF_CORE_DUMP
+#define CORE_DUMP_USE_REGSET
 
 /* Least-significant four bits of ELF header's e_flags are OS-specific.  The bits are
    interpreted as follows by Linux: */
@@ -154,6 +155,30 @@ extern void ia64_init_addr_space (void);
 #define ELF_NGREG       128     /* we really need just 72 but let's leave some headroom... */
 #define ELF_NFPREG      128     /* f0 and f1 could be omitted, but so what... */
 
+/* elf_gregset_t register offsets */
+#define ELF_GR_0_OFFSET     0
+#define ELF_NAT_OFFSET     (32 * sizeof(elf_greg_t))
+#define ELF_PR_OFFSET      (33 * sizeof(elf_greg_t))
+#define ELF_BR_0_OFFSET    (34 * sizeof(elf_greg_t))
+#define ELF_CR_IIP_OFFSET  (42 * sizeof(elf_greg_t))
+#define ELF_CFM_OFFSET     (43 * sizeof(elf_greg_t))
+#define ELF_CR_IPSR_OFFSET (44 * sizeof(elf_greg_t))
+#define ELF_GR_OFFSET(i)   (ELF_GR_0_OFFSET + i * sizeof(elf_greg_t))
+#define ELF_BR_OFFSET(i)   (ELF_BR_0_OFFSET + i * sizeof(elf_greg_t))
+#define ELF_AR_RSC_OFFSET  (45 * sizeof(elf_greg_t))
+#define ELF_AR_BSP_OFFSET  (46 * sizeof(elf_greg_t))
+#define ELF_AR_BSPSTORE_OFFSET (47 * sizeof(elf_greg_t))
+#define ELF_AR_RNAT_OFFSET (48 * sizeof(elf_greg_t))
+#define ELF_AR_CCV_OFFSET  (49 * sizeof(elf_greg_t))
+#define ELF_AR_UNAT_OFFSET (50 * sizeof(elf_greg_t))
+#define ELF_AR_FPSR_OFFSET (51 * sizeof(elf_greg_t))
+#define ELF_AR_PFS_OFFSET  (52 * sizeof(elf_greg_t))
+#define ELF_AR_LC_OFFSET   (53 * sizeof(elf_greg_t))
+#define ELF_AR_EC_OFFSET   (54 * sizeof(elf_greg_t))
+#define ELF_AR_CSD_OFFSET  (55 * sizeof(elf_greg_t))
+#define ELF_AR_SSD_OFFSET  (56 * sizeof(elf_greg_t))
+#define ELF_AR_END_OFFSET  (57 * sizeof(elf_greg_t))
+
 typedef unsigned long elf_fpxregset_t;
 
 typedef unsigned long elf_greg_t;
@@ -183,12 +208,6 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst);
 
 struct task_struct;
 
-extern int dump_task_regs(struct task_struct *, elf_gregset_t *);
-extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
-
-#define ELF_CORE_COPY_TASK_REGS(tsk, elf_gregs) dump_task_regs(tsk, elf_gregs)
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-
 #define GATE_EHDR       ((const struct elfhdr *) GATE_ADDR)
 
 /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index 595112bca3cc..dff8128fa58e 100644
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -210,6 +210,13 @@ struct task_struct;
 extern void ia64_save_extra (struct task_struct *task);
 extern void ia64_load_extra (struct task_struct *task);
 
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+extern void ia64_account_on_switch (struct task_struct *prev, struct task_struct *next);
+# define IA64_ACCOUNT_ON_SWITCH(p,n) ia64_account_on_switch(p,n)
+#else
+# define IA64_ACCOUNT_ON_SWITCH(p,n)
+#endif
+
 #ifdef CONFIG_PERFMON
   DECLARE_PER_CPU(unsigned long, pfm_syst_info);
 # define PERFMON_IS_SYSWIDE() (__get_cpu_var(pfm_syst_info) & 0x1)
@@ -222,6 +229,7 @@ extern void ia64_load_extra (struct task_struct *task);
          || IS_IA32_PROCESS(task_pt_regs(t)) || PERFMON_IS_SYSWIDE())
 
 #define __switch_to(prev,next,last) do {                                                         \
+        IA64_ACCOUNT_ON_SWITCH(prev, next);                                                      \
         if (IA64_HAS_EXTRA_STATE(prev))                                                          \
                 ia64_save_extra(prev);                                                           \
         if (IA64_HAS_EXTRA_STATE(next))                                                          \
@@ -266,6 +274,10 @@ void cpu_idle_wait(void);
 
 void default_idle(void);
 
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+extern void account_system_vtime(struct task_struct *);
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* __ASSEMBLY__ */
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 93d83cbe0c8c..6da8069a0f77 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -31,6 +31,12 @@ struct thread_info {
         mm_segment_t addr_limit;        /* user-level address space limit */
         int preempt_count;              /* 0=premptable, <0=BUG; will also serve as bh-counter */
         struct restart_block restart_block;
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+        __u64 ac_stamp;
+        __u64 ac_leave;
+        __u64 ac_stime;
+        __u64 ac_utime;
+#endif
 };
 
 #define THREAD_SIZE                     KERNEL_STACK_SIZE
@@ -62,9 +68,17 @@ struct thread_info {
 #define task_stack_page(tsk)    ((void *)(tsk))
 
 #define __HAVE_THREAD_FUNCTIONS
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING
+#define setup_thread_stack(p, org)                      \
+        *task_thread_info(p) = *task_thread_info(org);  \
+        task_thread_info(p)->ac_stime = 0;              \
+        task_thread_info(p)->ac_utime = 0;              \
+        task_thread_info(p)->task = (p);
+#else
 #define setup_thread_stack(p, org) \
         *task_thread_info(p) = *task_thread_info(org); \
         task_thread_info(p)->task = (p);
+#endif
 #define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
 
 #define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/include/asm-mips/mach-au1x00/au1xxx_ide.h
index e4fe26c160ba..89655c0cdcd6 100644
--- a/include/asm-mips/mach-au1x00/au1xxx_ide.h
+++ b/include/asm-mips/mach-au1x00/au1xxx_ide.h
@@ -122,24 +122,6 @@ static const struct drive_list_entry dma_black_list [] = {
 };
 #endif
 
-/* function prototyping */
-u8 auide_inb(unsigned long port);
-u16 auide_inw(unsigned long port);
-u32 auide_inl(unsigned long port);
-void auide_insw(unsigned long port, void *addr, u32 count);
-void auide_insl(unsigned long port, void *addr, u32 count);
-void auide_outb(u8 addr, unsigned long port);
-void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port);
-void auide_outw(u16 addr, unsigned long port);
-void auide_outl(u32 addr, unsigned long port);
-void auide_outsw(unsigned long port, void *addr, u32 count);
-void auide_outsl(unsigned long port, void *addr, u32 count);
-static void auide_tune_drive(ide_drive_t *drive, byte pio);
-static int auide_tune_chipset(ide_drive_t *drive, u8 speed);
-static int auide_ddma_init( _auide_hwif *auide );
-static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif);
-int __init auide_probe(void);
-
 /*******************************************************************************
 * PIO Mode timing calculation :                                                *
 *                                                                              *
diff --git a/include/asm-mips/mach-db1x00/db1200.h b/include/asm-mips/mach-db1x00/db1200.h
index a6bdac61ab49..d2e28e64932e 100644
--- a/include/asm-mips/mach-db1x00/db1200.h
+++ b/include/asm-mips/mach-db1x00/db1200.h
@@ -173,8 +173,8 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
 #define AU1XXX_SMC91111_IRQ                     DB1200_ETH_INT
 
 #define AU1XXX_ATA_PHYS_ADDR            (0x18800000)
-#define AU1XXX_ATA_PHYS_LEN                     (0x100)
-#define AU1XXX_ATA_REG_OFFSET   (5)
+#define AU1XXX_ATA_REG_OFFSET           (5)
+#define AU1XXX_ATA_PHYS_LEN             (16 << AU1XXX_ATA_REG_OFFSET)
 #define AU1XXX_ATA_INT                  DB1200_IDE_INT
 #define AU1XXX_ATA_DDMA_REQ             DSCR_CMD0_DMA_REQ1;
 #define AU1XXX_ATA_RQSIZE               128
diff --git a/include/asm-mips/mach-pb1x00/pb1200.h b/include/asm-mips/mach-pb1x00/pb1200.h
index 72213e3d02c7..edaa489b58f1 100644
--- a/include/asm-mips/mach-pb1x00/pb1200.h
+++ b/include/asm-mips/mach-pb1x00/pb1200.h
@@ -186,8 +186,8 @@ static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
 #define AU1XXX_SMC91111_IRQ                     PB1200_ETH_INT
 
 #define AU1XXX_ATA_PHYS_ADDR            (0x0C800000)
-#define AU1XXX_ATA_PHYS_LEN                     (0x100)
-#define AU1XXX_ATA_REG_OFFSET   (5)
+#define AU1XXX_ATA_REG_OFFSET           (5)
+#define AU1XXX_ATA_PHYS_LEN             (16 << AU1XXX_ATA_REG_OFFSET)
 #define AU1XXX_ATA_INT                  PB1200_IDE_INT
 #define AU1XXX_ATA_DDMA_REQ             DSCR_CMD0_DMA_REQ1;
 #define AU1XXX_ATA_RQSIZE               128
diff --git a/include/asm-um/tlb.h b/include/asm-um/tlb.h
index 39fc475df6c9..5240fa1c5e08 100644
--- a/include/asm-um/tlb.h
+++ b/include/asm-um/tlb.h
@@ -1,6 +1,7 @@
 #ifndef __UM_TLB_H
 #define __UM_TLB_H
 
+#include <linux/pagemap.h>
 #include <linux/swap.h>
 #include <asm/percpu.h>
 #include <asm/pgalloc.h>
diff --git a/include/asm-x86/linkage.h b/include/asm-x86/linkage.h
index 31739c7d66a9..c048353f4b85 100644
--- a/include/asm-x86/linkage.h
+++ b/include/asm-x86/linkage.h
@@ -8,12 +8,45 @@
 
 #ifdef CONFIG_X86_32
 #define asmlinkage CPP_ASMLINKAGE __attribute__((regparm(0)))
-#define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret))
 /*
  * For 32-bit UML - mark functions implemented in assembly that use
  * regparm input parameters:
  */
 #define asmregparm __attribute__((regparm(3)))
+
+/*
+ * Make sure the compiler doesn't do anything stupid with the
+ * arguments on the stack - they are owned by the *caller*, not
+ * the callee. This just fools gcc into not spilling into them,
+ * and keeps it from doing tailcall recursion and/or using the
+ * stack slots for temporaries, since they are live and "used"
+ * all the way to the end of the function.
+ *
+ * NOTE! On x86-64, all the arguments are in registers, so this
+ * only matters on a 32-bit kernel.
+ */
+#define asmlinkage_protect(n, ret, args...) \
+        __asmlinkage_protect##n(ret, ##args)
+#define __asmlinkage_protect_n(ret, args...) \
+        __asm__ __volatile__ ("" : "=r" (ret) : "0" (ret), ##args)
+#define __asmlinkage_protect0(ret) \
+        __asmlinkage_protect_n(ret)
+#define __asmlinkage_protect1(ret, arg1) \
+        __asmlinkage_protect_n(ret, "g" (arg1))
+#define __asmlinkage_protect2(ret, arg1, arg2) \
+        __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2))
+#define __asmlinkage_protect3(ret, arg1, arg2, arg3) \
+        __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3))
+#define __asmlinkage_protect4(ret, arg1, arg2, arg3, arg4) \
+        __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3), \
+                              "g" (arg4))
+#define __asmlinkage_protect5(ret, arg1, arg2, arg3, arg4, arg5) \
+        __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3), \
+                              "g" (arg4), "g" (arg5))
+#define __asmlinkage_protect6(ret, arg1, arg2, arg3, arg4, arg5, arg6) \
+        __asmlinkage_protect_n(ret, "g" (arg1), "g" (arg2), "g" (arg3), \
+                              "g" (arg4), "g" (arg5), "g" (arg6))
+
 #endif
 
 #ifdef CONFIG_X86_ALIGNMENT_16
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 9cdd12a9e843..cedbbd806bf6 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -86,6 +86,7 @@ header-y += if_plip.h
 header-y += if_ppp.h
 header-y += if_slip.h
 header-y += if_strip.h
+header-y += if_tun.h
 header-y += if_tunnel.h
 header-y += in6.h
 header-y += in_route.h
@@ -229,7 +230,6 @@ unifdef-y += if_link.h
 unifdef-y += if_pppol2tp.h
 unifdef-y += if_pppox.h
 unifdef-y += if_tr.h
-unifdef-y += if_tun.h
 unifdef-y += if_vlan.h
 unifdef-y += if_wanpipe.h
 unifdef-y += igmp.h
diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index 72f1c5f47be3..8c71fe2fb1f5 100644
--- a/include/linux/if_tun.h
+++ b/include/linux/if_tun.h
@@ -18,47 +18,8 @@
 #ifndef __IF_TUN_H
 #define __IF_TUN_H
 
-/* Uncomment to enable debugging */
-/* #define TUN_DEBUG 1 */
-
 #include <linux/types.h>
 
-#ifdef __KERNEL__
-
-#ifdef TUN_DEBUG
-#define DBG  if(tun->debug)printk
-#define DBG1 if(debug==2)printk
-#else
-#define DBG( a... )
-#define DBG1( a... )
-#endif
-
-struct tun_struct {
-        struct list_head        list;
-        unsigned long           flags;
-        int                     attached;
-        uid_t                   owner;
-        gid_t                   group;
-
-        wait_queue_head_t       read_wait;
-        struct sk_buff_head     readq;
-
-        struct net_device       *dev;
-
-        struct fasync_struct    *fasync;
-
-        unsigned long if_flags;
-        u8 dev_addr[ETH_ALEN];
-        u32 chr_filter[2];
-        u32 net_filter[2];
-
-#ifdef TUN_DEBUG        
-        int debug;
-#endif  
-};
-
-#endif /* __KERNEL__ */
-
 /* Read queue size */
 #define TUN_READQ_SIZE  500
 
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index cac4b364cd40..2b7a1187cb29 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -91,8 +91,10 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc)
          * if ref count is zero, don't allow sharing (ioc is going away, it's
          * a race).
          */
-        if (ioc && atomic_inc_not_zero(&ioc->refcount))
+        if (ioc && atomic_inc_not_zero(&ioc->refcount)) {
+                atomic_inc(&ioc->nr_tasks);
                 return ioc;
+        }
 
         return NULL;
 }
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 4aaefc349a4b..134c8e5cf07c 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -53,7 +53,7 @@ struct ipv6_opt_hdr {
         /* 
          * TLV encoded option data follows.
          */
-};
+} __attribute__ ((packed));     /* required for some archs */
 
 #define ipv6_destopt_hdr ipv6_opt_hdr
 #define ipv6_hopopt_hdr  ipv6_opt_hdr
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 0592936344c4..2119610b24f8 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -17,8 +17,24 @@
 # define asmregparm
 #endif
 
-#ifndef prevent_tail_call
-# define prevent_tail_call(ret) do { } while (0)
+/*
+ * This is used by architectures to keep arguments on the stack
+ * untouched by the compiler by keeping them live until the end.
+ * The argument stack may be owned by the assembly-language
+ * caller, not the callee, and gcc doesn't always understand
+ * that.
+ *
+ * We have the return value, and a maximum of six arguments.
+ *
+ * This should always be followed by a "return ret" for the
+ * protection to work (ie no more work that the compiler might
+ * end up needing stack temporaries for).
+ */
+/* Assembly files may be compiled with -traditional .. */
+#ifndef __ASSEMBLY__
+#ifndef asmlinkage_protect
+# define asmlinkage_protect(n, ret, args...)    do { } while (0)
+#endif
 #endif
 
 #ifndef __ALIGN
diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h
index 99e044b4efc6..a09b84e4fdb4 100644
--- a/include/linux/mbcache.h
+++ b/include/linux/mbcache.h
@@ -34,7 +34,7 @@ void mb_cache_destroy(struct mb_cache *);
 
 /* Functions on cache entries */
 
-struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *);
+struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t);
 int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *,
                           sector_t, unsigned int[]);
 void mb_cache_entry_release(struct mb_cache_entry *);
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 29dd55838e84..b2f05c230f4b 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -175,7 +175,7 @@ static inline void pnp_set_card_drvdata(struct pnp_card_link *pcard, void *data)
 struct pnp_dev {
         struct device dev;              /* Driver Model device interface */
         u64 dma_mask;
-        unsigned char number;           /* used as an index, must be unique */
+        unsigned int number;            /* used as an index, must be unique */
         int status;
 
         struct list_head global_list;   /* node in global list of devices */
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 576a5f77d3bd..1129ee0a7180 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -341,6 +341,9 @@ static inline void double_spin_unlock(spinlock_t *l1, spinlock_t *l2,
  * atomic_dec_and_lock - lock on reaching reference count zero
  * @atomic: the atomic counter
  * @lock: the spinlock in question
+ *
+ * Decrements @atomic by 1.  If the result is 0, returns true and locks
+ * @lock.  Returns false for all other cases.
  */
 extern int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock);
 #define atomic_dec_and_lock(atomic, lock) \
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index 20add65215af..db53defde5ee 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -129,6 +129,10 @@ struct ssb_device {
         const struct ssb_bus_ops *ops;
 
         struct device *dev;
+        /* Pointer to the device that has to be used for
+         * any DMA related operation. */
+        struct device *dma_dev;
+
         struct ssb_bus *bus;
         struct ssb_device_id id;
 
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 818ca1cf0b6d..90c1c191ea69 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -50,7 +50,7 @@ struct thermal_cooling_device_ops {
 };
 
 #define THERMAL_TRIPS_NONE -1
-#define THERMAL_MAX_TRIPS 10
+#define THERMAL_MAX_TRIPS 12
 #define THERMAL_NAME_LENGTH 20
 struct thermal_cooling_device {
         int id;
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index ba33db053854..7040a782c656 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -47,7 +47,7 @@ static inline __u8 INET_ECN_encapsulate(__u8 outer, __u8 inner)
     } while (0)
 
 #define IP6_ECN_flow_xmit(sk, label) do {                               \
-        if (INET_ECN_is_capable(inet_sk(sk)->tos))                      \
+        if (INET_ECN_is_capable(inet6_sk(sk)->tclass))                  \
                 (label) |= htonl(INET_ECN_ECT_0 << 20);                 \
     } while (0)
 
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 10ae2da6f93b..35b1e83fb96a 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -104,6 +104,7 @@ typedef enum {
         SCTP_CMD_ADAPTATION_IND, /* generate and send adaptation event */
         SCTP_CMD_ASSOC_SHKEY,    /* generate the association shared keys */
         SCTP_CMD_T1_RETRAN,      /* Mark for retransmission after T1 timeout  */
+        SCTP_CMD_UPDATE_INITTAG, /* Update peer inittag */
         SCTP_CMD_LAST
 } sctp_verb_t;
 
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index 9bcfc12275e8..7ea12e8e6676 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -67,7 +67,7 @@ struct sctp_ulpevent {
 };
 
 /* Retrieve the skb this event sits inside of. */
-static inline struct sk_buff *sctp_event2skb(struct sctp_ulpevent *ev)
+static inline struct sk_buff *sctp_event2skb(const struct sctp_ulpevent *ev)
 {
         return container_of((void *)ev, struct sk_buff, cb);
 }
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7de4ea3a04d9..4fd3eb2f8ec2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -752,6 +752,8 @@ static inline unsigned int tcp_packets_in_flight(const struct tcp_sock *tp)
         return tp->packets_out - tcp_left_out(tp) + tp->retrans_out;
 }
 
+extern int tcp_limit_reno_sacked(struct tcp_sock *tp);
+
 /* If cwnd > ssthresh, we may raise ssthresh to be half-way to cwnd.
  * The exception is rate halving phase, when cwnd is decreasing towards
  * ssthresh.