173 files changed, 1271 insertions, 870 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index 4877a8c8ee16..fe48fc7a3eba 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -32,8 +32,9 @@ config HAVE_OPROFILE
 config KPROBES
        bool "Kprobes"
-        depends on KALLSYMS && MODULES
+        depends on MODULES
        depends on HAVE_KPROBES
+        select KALLSYMS
        help
          Kprobes allows you to trap at almost any kernel address and
          execute a callback function.  register_kprobe() establishes
@@ -45,7 +46,6 @@ config OPTPROBES
        def_bool y
        depends on KPROBES && HAVE_OPTPROBES
        depends on !PREEMPT
-        select KALLSYMS_ALL
 config HAVE_EFFICIENT_UNALIGNED_ACCESS
        bool
diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h
index 01d71e1c8a9e..012f1243b1c1 100644
--- a/arch/alpha/include/asm/cacheflush.h
+++ b/arch/alpha/include/asm/cacheflush.h
@@ -43,6 +43,8 @@ extern void smp_imb(void);
 /* ??? Ought to use this in arch/alpha/kernel/signal.c too.  */
 #ifndef CONFIG_SMP
+#include <linux/sched.h>
 extern void __load_new_mm_context(struct mm_struct *);
 static inline void
 flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h
index 804e5311c841..058937bf5a77 100644
--- a/arch/alpha/include/asm/unistd.h
+++ b/arch/alpha/include/asm/unistd.h
@@ -449,10 +449,13 @@
 #define __NR_pwritev                    491
 #define __NR_rt_tgsigqueueinfo          492
 #define __NR_perf_event_open            493
+#define __NR_fanotify_init              494
+#define __NR_fanotify_mark              495
+#define __NR_prlimit64                  496
 #ifdef __KERNEL__
-#define NR_SYSCALLS                     494
+#define NR_SYSCALLS                     497
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
@@ -463,6 +466,7 @@
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
 /* "Conditional" syscalls.  What we want is
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index b45d913a51c3..6d159cee5f2f 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -73,8 +73,6 @@
        ldq     $20, HAE_REG($19);      \
        stq     $21, HAE_CACHE($19);    \
        stq     $21, 0($20);            \
-        ldq     $0, 0($sp);             \
-        ldq     $1, 8($sp);             \
 99:;                                    \
        ldq     $19, 72($sp);           \
        ldq     $20, 80($sp);           \
@@ -316,19 +314,24 @@ ret_from_sys_call:
        cmovne  $26, 0, $19             /* $19 = 0 => non-restartable */
        ldq     $0, SP_OFF($sp)
        and     $0, 8, $0
-        beq     $0, restore_all
+        beq     $0, ret_to_kernel
-ret_from_reschedule:
+ret_to_user:
        /* Make sure need_resched and sigpending don't change between
                sampling and the rti.  */
        lda     $16, 7
        call_pal PAL_swpipl
        ldl     $5, TI_FLAGS($8)
        and     $5, _TIF_WORK_MASK, $2
-        bne     $5, work_pending
+        bne     $2, work_pending
 restore_all:
        RESTORE_ALL
        call_pal PAL_rti
+ret_to_kernel:
+        lda     $16, 7
+        call_pal PAL_swpipl
+        br restore_all
        .align 3
 $syscall_error:
        /*
@@ -363,7 +366,7 @@ $ret_success:
 *       $8: current.
 *      $19: The old syscall number, or zero if this is not a return
 *           from a syscall that errored and is possibly restartable.
- *      $20: Error indication.
+ *      $20: The old a3 value
 */
        .align  4
@@ -392,12 +395,18 @@ $work_resched:
 $work_notifysig:
        mov     $sp, $16
-        br      $1, do_switch_stack
+        bsr     $1, do_switch_stack
        mov     $sp, $17
        mov     $5, $18
+        mov     $19, $9         /* save old syscall number */
+        mov     $20, $10        /* save old a3 */
+        and     $5, _TIF_SIGPENDING, $2
+        cmovne  $2, 0, $9       /* we don't want double syscall restarts */
        jsr     $26, do_notify_resume
+        mov     $9, $19
+        mov     $10, $20
        bsr     $1, undo_switch_stack
-        br      restore_all
+        br      ret_to_user
 .end work_pending
 /*
@@ -430,6 +439,7 @@ strace:
        beq     $1, 1f
        ldq     $27, 0($2)
 1:      jsr     $26, ($27), sys_gettimeofday
+ret_from_straced:
        ldgp    $gp, 0($26)
        /* check return.. */
@@ -650,7 +660,7 @@ kernel_thread:
        /* We don't actually care for a3 success widgetry in the kernel.
           Not for positive errno values.  */
        stq     $0, 0($sp)              /* $0 */
-        br      restore_all
+        br      ret_to_kernel
 .end kernel_thread
 /*
@@ -757,11 +767,15 @@ sys_vfork:
        .ent    sys_sigreturn
 sys_sigreturn:
        .prologue 0
+        lda     $9, ret_from_straced
+        cmpult  $26, $9, $9
        mov     $sp, $17
        lda     $18, -SWITCH_STACK_SIZE($sp)
        lda     $sp, -SWITCH_STACK_SIZE($sp)
        jsr     $26, do_sigreturn
-        br      $1, undo_switch_stack
+        bne     $9, 1f
+        jsr     $26, syscall_trace
+1:      br      $1, undo_switch_stack
        br      ret_from_sys_call
 .end sys_sigreturn
@@ -770,47 +784,19 @@ sys_sigreturn:
        .ent    sys_rt_sigreturn
 sys_rt_sigreturn:
        .prologue 0
+        lda     $9, ret_from_straced
+        cmpult  $26, $9, $9
        mov     $sp, $17
        lda     $18, -SWITCH_STACK_SIZE($sp)
        lda     $sp, -SWITCH_STACK_SIZE($sp)
        jsr     $26, do_rt_sigreturn
-        br      $1, undo_switch_stack
+        bne     $9, 1f
+        jsr     $26, syscall_trace
+1:      br      $1, undo_switch_stack
        br      ret_from_sys_call
 .end sys_rt_sigreturn
        .align  4
-        .globl  sys_sigsuspend
-        .ent    sys_sigsuspend
-sys_sigsuspend:
-        .prologue 0
-        mov     $sp, $17
-        br      $1, do_switch_stack
-        mov     $sp, $18
-        subq    $sp, 16, $sp
-        stq     $26, 0($sp)
-        jsr     $26, do_sigsuspend
-        ldq     $26, 0($sp)
-        lda     $sp, SWITCH_STACK_SIZE+16($sp)
-        ret
-.end sys_sigsuspend
-        .align  4
-        .globl  sys_rt_sigsuspend
-        .ent    sys_rt_sigsuspend
-sys_rt_sigsuspend:
-        .prologue 0
-        mov     $sp, $18
-        br      $1, do_switch_stack
-        mov     $sp, $19
-        subq    $sp, 16, $sp
-        stq     $26, 0($sp)
-        jsr     $26, do_rt_sigsuspend
-        ldq     $26, 0($sp)
-        lda     $sp, SWITCH_STACK_SIZE+16($sp)
-        ret
-.end sys_rt_sigsuspend
-        .align  4
        .globl  sys_sethae
        .ent    sys_sethae
 sys_sethae:
@@ -929,15 +915,6 @@ sys_execve:
 .end sys_execve
        .align  4
-        .globl  osf_sigprocmask
-        .ent    osf_sigprocmask
-osf_sigprocmask:
-        .prologue 0
-        mov     $sp, $18
-        jmp     $31, sys_osf_sigprocmask
-.end osf_sigprocmask
-        .align  4
        .globl  alpha_ni_syscall
        .ent    alpha_ni_syscall
 alpha_ni_syscall:
diff --git a/arch/alpha/kernel/err_ev6.c b/arch/alpha/kernel/err_ev6.c
index 8ca6345bf131..253cf1a87481 100644
--- a/arch/alpha/kernel/err_ev6.c
+++ b/arch/alpha/kernel/err_ev6.c
@@ -90,11 +90,13 @@ static int
 ev6_parse_cbox(u64 c_addr, u64 c1_syn, u64 c2_syn, 
               u64 c_stat, u64 c_sts, int print)
 {
-        char *sourcename[] = { "UNKNOWN", "UNKNOWN", "UNKNOWN",
+        static const char * const sourcename[] = {
-                               "MEMORY", "BCACHE", "DCACHE", 
+                "UNKNOWN", "UNKNOWN", "UNKNOWN",
-                               "BCACHE PROBE", "BCACHE PROBE" };
+                "MEMORY", "BCACHE", "DCACHE",
-        char *streamname[] = { "D", "I" };
+                "BCACHE PROBE", "BCACHE PROBE"
-        char *bitsname[] = { "SINGLE", "DOUBLE" };
+        };
+        static const char * const streamname[] = { "D", "I" };
+        static const char * const bitsname[] = { "SINGLE", "DOUBLE" };
        int status = MCHK_DISPOSITION_REPORT;
        int source = -1, stream = -1, bits = -1;
diff --git a/arch/alpha/kernel/err_marvel.c b/arch/alpha/kernel/err_marvel.c
index 5c905aaaeccd..648ae88aeb8a 100644
--- a/arch/alpha/kernel/err_marvel.c
+++ b/arch/alpha/kernel/err_marvel.c
@@ -589,22 +589,23 @@ marvel_print_pox_spl_cmplt(u64 spl_cmplt)
 static void
 marvel_print_pox_trans_sum(u64 trans_sum)
 {
-        char *pcix_cmd[] = { "Interrupt Acknowledge",
+        static const char * const pcix_cmd[] = {
-                             "Special Cycle",
+                "Interrupt Acknowledge",
-                             "I/O Read",
+                "Special Cycle",
-                             "I/O Write",
+                "I/O Read",
-                             "Reserved",
+                "I/O Write",
-                             "Reserved / Device ID Message",
+                "Reserved",
-                             "Memory Read",
+                "Reserved / Device ID Message",
-                             "Memory Write",
+                "Memory Read",
-                             "Reserved / Alias to Memory Read Block",
+                "Memory Write",
-                             "Reserved / Alias to Memory Write Block",
+                "Reserved / Alias to Memory Read Block",
-                             "Configuration Read",
+                "Reserved / Alias to Memory Write Block",
-                             "Configuration Write",
+                "Configuration Read",
-                             "Memory Read Multiple / Split Completion",
+                "Configuration Write",
-                             "Dual Address Cycle",
+                "Memory Read Multiple / Split Completion",
-                             "Memory Read Line / Memory Read Block",
+                "Dual Address Cycle",
-                             "Memory Write and Invalidate / Memory Write Block"
+                "Memory Read Line / Memory Read Block",
+                "Memory Write and Invalidate / Memory Write Block"
        };
 #define IO7__POX_TRANSUM__PCI_ADDR__S           (0)
diff --git a/arch/alpha/kernel/err_titan.c b/arch/alpha/kernel/err_titan.c
index f7ed97ce0dfd..c3b3781a03de 100644
--- a/arch/alpha/kernel/err_titan.c
+++ b/arch/alpha/kernel/err_titan.c
@@ -75,8 +75,12 @@ titan_parse_p_serror(int which, u64 serror, int print)
        int status = MCHK_DISPOSITION_REPORT;
 #ifdef CONFIG_VERBOSE_MCHECK
-        char *serror_src[] = {"GPCI", "APCI", "AGP HP", "AGP LP"};
+        static const char * const serror_src[] = {
-        char *serror_cmd[] = {"DMA Read", "DMA RMW", "SGTE Read", "Reserved"};
+                "GPCI", "APCI", "AGP HP", "AGP LP"
+        };
+        static const char * const serror_cmd[] = {
+                "DMA Read", "DMA RMW", "SGTE Read", "Reserved"
+        };
 #endif /* CONFIG_VERBOSE_MCHECK */
 #define TITAN__PCHIP_SERROR__LOST_UECC  (1UL << 0)
@@ -140,14 +144,15 @@ titan_parse_p_perror(int which, int port, u64 perror, int print)
        int status = MCHK_DISPOSITION_REPORT;
 #ifdef CONFIG_VERBOSE_MCHECK
-        char *perror_cmd[] = { "Interrupt Acknowledge", "Special Cycle",
+        static const char * const perror_cmd[] = {
-                               "I/O Read",              "I/O Write",
+                "Interrupt Acknowledge", "Special Cycle",
-                               "Reserved",              "Reserved",
+                "I/O Read",             "I/O Write",
-                               "Memory Read",           "Memory Write",
+                "Reserved",             "Reserved",
-                               "Reserved",              "Reserved",
+                "Memory Read",          "Memory Write",
-                               "Configuration Read",    "Configuration Write",
+                "Reserved",             "Reserved",
-                               "Memory Read Multiple",  "Dual Address Cycle",
+                "Configuration Read",   "Configuration Write",
-                               "Memory Read Line","Memory Write and Invalidate"
+                "Memory Read Multiple", "Dual Address Cycle",
+                "Memory Read Line",     "Memory Write and Invalidate"
        };
 #endif /* CONFIG_VERBOSE_MCHECK */
@@ -273,11 +278,11 @@ titan_parse_p_agperror(int which, u64 agperror, int print)
        int cmd, len;
        unsigned long addr;
-        char *agperror_cmd[] = { "Read (low-priority)", "Read (high-priority)",
+        static const char * const agperror_cmd[] = {
-                                 "Write (low-priority)",
+                "Read (low-priority)",  "Read (high-priority)",
-                                 "Write (high-priority)",
+                "Write (low-priority)", "Write (high-priority)",
-                                 "Reserved",            "Reserved",
+                "Reserved",             "Reserved",
-                                 "Flush",               "Fence"
+                "Flush",                "Fence"
        };
 #endif /* CONFIG_VERBOSE_MCHECK */
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 5d1e6d6ce684..547e8b84b2f7 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -15,7 +15,6 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
-#include <linux/smp_lock.h>
 #include <linux/stddef.h>
 #include <linux/syscalls.h>
 #include <linux/unistd.h>
@@ -69,7 +68,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
 {
        struct mm_struct *mm;
-        lock_kernel();
        mm = current->mm;
        mm->end_code = bss_start + bss_len;
        mm->start_brk = bss_start + bss_len;
@@ -78,7 +76,6 @@ SYSCALL_DEFINE4(osf_set_program_attributes, unsigned long, text_start,
        printk("set_program_attributes(%lx %lx %lx %lx)\n",
                text_start, text_len, bss_start, bss_len);
 #endif
-        unlock_kernel();
        return 0;
 }
@@ -517,7 +514,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
        long error;
        int __user *min_buf_size_ptr;
-        lock_kernel();
        switch (code) {
        case PL_SET:
                if (get_user(error, &args->set.nbytes))
@@ -547,7 +543,6 @@ SYSCALL_DEFINE2(osf_proplist_syscall, enum pl_code, code,
                error = -EOPNOTSUPP;
                break;
        };
-        unlock_kernel();
        return error;
 }
@@ -594,7 +589,7 @@ SYSCALL_DEFINE2(osf_sigstack, struct sigstack __user *, uss,
 SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count)
 {
-        char *sysinfo_table[] = {
+        const char *sysinfo_table[] = {
                utsname()->sysname,
                utsname()->nodename,
                utsname()->release,
@@ -606,7 +601,7 @@ SYSCALL_DEFINE3(osf_sysinfo, int, command, char __user *, buf, long, count)
                "dummy",        /* secure RPC domain */
        };
        unsigned long offset;
-        char *res;
+        const char *res;
        long len, err = -EINVAL;
        offset = command-1;
diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 738fc824e2ea..b899e95f79fd 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -66,7 +66,7 @@ static int pci_mmap_resource(struct kobject *kobj,
 {
        struct pci_dev *pdev = to_pci_dev(container_of(kobj,
                                                       struct device, kobj));
-        struct resource *res = (struct resource *)attr->private;
+        struct resource *res = attr->private;
        enum pci_mmap_state mmap_type;
        struct pci_bus_region bar;
        int i;
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 842dba308eab..3ec35066f1dc 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -356,7 +356,7 @@ dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt, struct thread_info *ti)
        dest[27] = pt->r27;
        dest[28] = pt->r28;
        dest[29] = pt->gp;
-        dest[30] = rdusp();
+        dest[30] = ti == current_thread_info() ? rdusp() : ti->pcb.usp;
        dest[31] = pt->pc;
        /* Once upon a time this was the PS value.  Which is stupid
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 0932dbb1ef8e..6f7feb5db271 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -41,46 +41,20 @@ static void do_signal(struct pt_regs *, struct switch_stack *,
 /*
 * The OSF/1 sigprocmask calling sequence is different from the
 * C sigprocmask() sequence..
- *
- * how:
- * 1 - SIG_BLOCK
- * 2 - SIG_UNBLOCK
- * 3 - SIG_SETMASK
- *
- * We change the range to -1 .. 1 in order to let gcc easily
- * use the conditional move instructions.
- *
- * Note that we don't need to acquire the kernel lock for SMP
- * operation, as all of this is local to this thread.
 */
-SYSCALL_DEFINE3(osf_sigprocmask, int, how, unsigned long, newmask,
+SYSCALL_DEFINE2(osf_sigprocmask, int, how, unsigned long, newmask)
-                struct pt_regs *, regs)
 {
-        unsigned long oldmask = -EINVAL;
+        sigset_t oldmask;
+        sigset_t mask;
-        if ((unsigned long)how-1 <= 2) {
+        unsigned long res;
-                long sign = how-2;              /* -1 .. 1 */
-                unsigned long block, unblock;
+        siginitset(&mask, newmask & _BLOCKABLE);
+        res = sigprocmask(how, &mask, &oldmask);
-                newmask &= _BLOCKABLE;
+        if (!res) {
-                spin_lock_irq(&current->sighand->siglock);
+                force_successful_syscall_return();
-                oldmask = current->blocked.sig[0];
+                res = oldmask.sig[0];
-                unblock = oldmask & ~newmask;
-                block = oldmask | newmask;
-                if (!sign)
-                        block = unblock;
-                if (sign <= 0)
-                        newmask = block;
-                if (_NSIG_WORDS > 1 && sign > 0)
-                        sigemptyset(&current->blocked);
-                current->blocked.sig[0] = newmask;
-                recalc_sigpending();
-                spin_unlock_irq(&current->sighand->siglock);
-                regs->r0 = 0;           /* special no error return */
        }
-        return oldmask;
+        return res;
 }
 SYSCALL_DEFINE3(osf_sigaction, int, sig,
@@ -94,9 +68,9 @@ SYSCALL_DEFINE3(osf_sigaction, int, sig,
                old_sigset_t mask;
                if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
                    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-                    __get_user(new_ka.sa.sa_flags, &act->sa_flags))
+                    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
+                    __get_user(mask, &act->sa_mask))
                        return -EFAULT;
-                __get_user(mask, &act->sa_mask);
                siginitset(&new_ka.sa.sa_mask, mask);
                new_ka.ka_restorer = NULL;
        }
@@ -106,9 +80,9 @@ SYSCALL_DEFINE3(osf_sigaction, int, sig,
        if (!ret && oact) {
                if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
                    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-                    __put_user(old_ka.sa.sa_flags, &oact->sa_flags))
+                    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
+                    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
                        return -EFAULT;
-                __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
        }
        return ret;
@@ -144,8 +118,7 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act,
 /*
 * Atomically swap in the new signal mask, and wait for a signal.
 */
-asmlinkage int
+SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask)
-do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
 {
        mask &= _BLOCKABLE;
        spin_lock_irq(&current->sighand->siglock);
@@ -154,41 +127,6 @@ do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw)
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
-        /* Indicate EINTR on return from any possible signal handler,
-           which will not come back through here, but via sigreturn.  */
-        regs->r0 = EINTR;
-        regs->r19 = 1;
-        current->state = TASK_INTERRUPTIBLE;
-        schedule();
-        set_thread_flag(TIF_RESTORE_SIGMASK);
-        return -ERESTARTNOHAND;
-}
-asmlinkage int
-do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize,
-                 struct pt_regs *regs, struct switch_stack *sw)
-{
-        sigset_t set;
-        /* XXX: Don't preclude handling different sized sigset_t's.  */
-        if (sigsetsize != sizeof(sigset_t))
-                return -EINVAL;
-        if (copy_from_user(&set, uset, sizeof(set)))
-                return -EFAULT;
-        sigdelsetmask(&set, ~_BLOCKABLE);
-        spin_lock_irq(&current->sighand->siglock);
-        current->saved_sigmask = current->blocked;
-        current->blocked = set;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
-        /* Indicate EINTR on return from any possible signal handler,
-           which will not come back through here, but via sigreturn.  */
-        regs->r0 = EINTR;
-        regs->r19 = 1;
        current->state = TASK_INTERRUPTIBLE;
        schedule();
        set_thread_flag(TIF_RESTORE_SIGMASK);
@@ -239,6 +177,8 @@ restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
        unsigned long usp;
        long i, err = __get_user(regs->pc, &sc->sc_pc);
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
        sw->r26 = (unsigned long) ret_from_sys_call;
        err |= __get_user(regs->r0, sc->sc_regs+0);
@@ -591,7 +531,6 @@ syscall_restart(unsigned long r0, unsigned long r19,
                regs->pc -= 4;
                break;
        case ERESTART_RESTARTBLOCK:
-                current_thread_info()->restart_block.fn = do_no_restart_syscall;
                regs->r0 = EINTR;
                break;
        }
diff --git a/arch/alpha/kernel/srm_env.c b/arch/alpha/kernel/srm_env.c
index 4afc1a1e2e5a..f0df3fbd8402 100644
--- a/arch/alpha/kernel/srm_env.c
+++ b/arch/alpha/kernel/srm_env.c
@@ -87,7 +87,7 @@ static int srm_env_proc_show(struct seq_file *m, void *v)
        srm_env_t       *entry;
        char            *page;
-        entry = (srm_env_t *)m->private;
+        entry = m->private;
        page = (char *)__get_free_page(GFP_USER);
        if (!page)
                return -ENOMEM;
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index 09acb786e72b..a6a1de9db16f 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -58,7 +58,7 @@ sys_call_table:
        .quad sys_open                          /* 45 */
        .quad alpha_ni_syscall
        .quad sys_getxgid
-        .quad osf_sigprocmask
+        .quad sys_osf_sigprocmask
        .quad alpha_ni_syscall
        .quad alpha_ni_syscall                  /* 50 */
        .quad sys_acct
@@ -512,6 +512,9 @@ sys_call_table:
        .quad sys_pwritev
        .quad sys_rt_tgsigqueueinfo
        .quad sys_perf_event_open
+        .quad sys_fanotify_init
+        .quad sys_fanotify_mark                         /* 495 */
+        .quad sys_prlimit64
        .size sys_call_table, . - sys_call_table
        .type sys_call_table, @object
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index eacceb26d9c8..396af1799ea4 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -191,16 +191,16 @@ irqreturn_t timer_interrupt(int irq, void *dev)
        write_sequnlock(&xtime_lock);
-#ifndef CONFIG_SMP
-        while (nticks--)
-                update_process_times(user_mode(get_irq_regs()));
-#endif
        if (test_perf_event_pending()) {
                clear_perf_event_pending();
                perf_event_do_pending();
        }
+#ifndef CONFIG_SMP
+        while (nticks--)
+                update_process_times(user_mode(get_irq_regs()));
+#endif
        return IRQ_HANDLED;
 }
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index b14f015008ad..0414e021a91c 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -13,7 +13,6 @@
 #include <linux/sched.h>
 #include <linux/tty.h>
 #include <linux/delay.h>
-#include <linux/smp_lock.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kallsyms.h>
@@ -623,7 +622,6 @@ do_entUna(void * va, unsigned long opcode, unsigned long reg,
                return;
        }
-        lock_kernel();
        printk("Bad unaligned kernel access at %016lx: %p %lx %lu\n",
                pc, va, opcode, reg);
        do_exit(SIGSEGV);
@@ -646,7 +644,6 @@ got_exception:
         * Yikes!  No one to forward the exception to.
         * Since the registers are in a weird format, dump them ourselves.
         */
-        lock_kernel();
        printk("%s(%d): unhandled unaligned exception\n",
               current->comm, task_pid_nr(current));
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 553b7cf17bfb..88c97bc7a6f5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -271,7 +271,6 @@ config ARCH_AT91
        bool "Atmel AT91"
        select ARCH_REQUIRE_GPIOLIB
        select HAVE_CLK
-        select ARCH_USES_GETTIMEOFFSET
        help
          This enables support for systems based on the Atmel AT91RM9200,
          AT91SAM9 and AT91CAP9 processors.
@@ -1051,6 +1050,32 @@ config ARM_ERRATA_460075
          ACTLR register. Note that setting specific bits in the ACTLR register
          may not be available in non-secure mode.
+config ARM_ERRATA_742230
+        bool "ARM errata: DMB operation may be faulty"
+        depends on CPU_V7 && SMP
+        help
+          This option enables the workaround for the 742230 Cortex-A9
+          (r1p0..r2p2) erratum. Under rare circumstances, a DMB instruction
+          between two write operations may not ensure the correct visibility
+          ordering of the two writes. This workaround sets a specific bit in
+          the diagnostic register of the Cortex-A9 which causes the DMB
+          instruction to behave as a DSB, ensuring the correct behaviour of
+          the two writes.
+config ARM_ERRATA_742231
+        bool "ARM errata: Incorrect hazard handling in the SCU may lead to data corruption"
+        depends on CPU_V7 && SMP
+        help
+          This option enables the workaround for the 742231 Cortex-A9
+          (r2p0..r2p2) erratum. Under certain conditions, specific to the
+          Cortex-A9 MPCore micro-architecture, two CPUs working in SMP mode,
+          accessing some data located in the same cache line, may get corrupted
+          data due to bad handling of the address hazard when the line gets
+          replaced from one of the CPUs at the same time as another CPU is
+          accessing it. This workaround sets specific bits in the diagnostic
+          register of the Cortex-A9 which reduces the linefill issuing
+          capabilities of the processor.
 config PL310_ERRATA_588369
        bool "Clean & Invalidate maintenance operations do not invalidate clean lines"
        depends on CACHE_L2X0 && ARCH_OMAP4
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index b23f6bc46cfa..65a7c1c588a9 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -116,5 +116,5 @@ CFLAGS_font.o := -Dstatic=
 $(obj)/font.c: $(FONTC)
        $(call cmd,shipped)
-$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile .config
+$(obj)/vmlinux.lds: $(obj)/vmlinux.lds.in arch/arm/boot/Makefile $(KCONFIG_CONFIG)
        @sed "$(SEDFLAGS)" < $< > $@
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 7974baacafce..1bec96e85196 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -271,6 +271,14 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
                ((dma_addr + size - PHYS_OFFSET) >= SZ_64M);
 }
+int dma_set_coherent_mask(struct device *dev, u64 mask)
+{
+        if (mask >= PHYS_OFFSET + SZ_64M - 1)
+                return 0;
+        return -EIO;
+}
 int __init it8152_pci_setup(int nr, struct pci_sys_data *sys)
 {
        it8152_io.start = IT8152_IO_BASE + 0x12000;
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index ab68cf1ef80f..e90b167ea848 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -317,6 +317,10 @@ static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
 #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
 #define pgprot_dmacoherent(prot) \
        __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_BUFFERABLE)
+#define __HAVE_PHYS_MEM_ACCESS_PROT
+struct file;
+extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+                                     unsigned long size, pgprot_t vma_prot);
 #else
 #define pgprot_dmacoherent(prot) \
        __pgprot_modify(prot, L_PTE_MT_MASK|L_PTE_EXEC, L_PTE_MT_UNCACHED)
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index f05a35a59694..7885722bdf4e 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -48,6 +48,8 @@ work_pending:
        beq     no_work_pending
        mov     r0, sp                          @ 'regs'
        mov     r2, why                         @ 'syscall'
+        tst     r1, #_TIF_SIGPENDING            @ delivering a signal?
+        movne   why, #0                         @ prevent further restarts
        bl      do_notify_resume
        b       ret_slow_syscall                @ Check work again
@@ -418,11 +420,13 @@ ENDPROC(sys_clone_wrapper)
 sys_sigreturn_wrapper:
                add     r0, sp, #S_OFF
+                mov     why, #0         @ prevent syscall restart handling
                b       sys_sigreturn
 ENDPROC(sys_sigreturn_wrapper)
 sys_rt_sigreturn_wrapper:
                add     r0, sp, #S_OFF
+                mov     why, #0         @ prevent syscall restart handling
                b       sys_rt_sigreturn
 ENDPROC(sys_rt_sigreturn_wrapper)
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index 5e71ccd5e7d3..1276babf84d5 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -426,7 +426,7 @@ static struct i2c_gpio_platform_data pdata_i2c0 = {
        .sda_is_open_drain      = 1,
        .scl_pin                = AT91_PIN_PA21,
        .scl_is_open_drain      = 1,
-        .udelay                 = 2,            /* ~100 kHz */
+        .udelay                 = 5,            /* ~100 kHz */
 };
 static struct platform_device at91sam9g45_twi0_device = {
@@ -440,7 +440,7 @@ static struct i2c_gpio_platform_data pdata_i2c1 = {
        .sda_is_open_drain      = 1,
        .scl_pin                = AT91_PIN_PB11,
        .scl_is_open_drain      = 1,
-        .udelay                 = 2,            /* ~100 kHz */
+        .udelay                 = 5,            /* ~100 kHz */
 };
 static struct platform_device at91sam9g45_twi1_device = {
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index 3d996b659ff4..9be261beae7d 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -769,8 +769,7 @@ static struct map_desc dm355_io_desc[] = {
                .virtual        = SRAM_VIRT,
                .pfn            = __phys_to_pfn(0x00010000),
                .length         = SZ_32K,
-                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .type           = MT_MEMORY_NONCACHED,
-                .type           = MT_DEVICE,
        },
 };
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 6b6f4c643709..7781e35daec3 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -969,8 +969,7 @@ static struct map_desc dm365_io_desc[] = {
                .virtual        = SRAM_VIRT,
                .pfn            = __phys_to_pfn(0x00010000),
                .length         = SZ_32K,
-                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .type           = MT_MEMORY_NONCACHED,
-                .type           = MT_DEVICE,
        },
 };
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index 40fec315c99a..5e5b0a7831fb 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -653,8 +653,7 @@ static struct map_desc dm644x_io_desc[] = {
                .virtual        = SRAM_VIRT,
                .pfn            = __phys_to_pfn(0x00008000),
                .length         = SZ_16K,
-                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .type           = MT_MEMORY_NONCACHED,
-                .type           = MT_DEVICE,
        },
 };
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index e4a3df1872ac..26e8a9c7f50b 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -737,8 +737,7 @@ static struct map_desc dm646x_io_desc[] = {
                .virtual        = SRAM_VIRT,
                .pfn            = __phys_to_pfn(0x00010000),
                .length         = SZ_32K,
-                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .type           = MT_MEMORY_NONCACHED,
-                .type           = MT_DEVICE,
        },
 };
diff --git a/arch/arm/mach-dove/include/mach/io.h b/arch/arm/mach-dove/include/mach/io.h
index 3b3e4721ce2e..eb4936ff90ad 100644
--- a/arch/arm/mach-dove/include/mach/io.h
+++ b/arch/arm/mach-dove/include/mach/io.h
@@ -13,8 +13,8 @@
 #define IO_SPACE_LIMIT          0xffffffff
-#define __io(a)  ((void __iomem *)(((a) - DOVE_PCIE0_IO_PHYS_BASE) +\
+#define __io(a)         ((void __iomem *)(((a) - DOVE_PCIE0_IO_BUS_BASE) + \
-                                   DOVE_PCIE0_IO_VIRT_BASE))
+                                                 DOVE_PCIE0_IO_VIRT_BASE))
-#define __mem_pci(a)            (a)
+#define __mem_pci(a)    (a)
 #endif
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index 61cd4d64b985..24498a932ba6 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -503,6 +503,14 @@ struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys)
        return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys);
 }
+int dma_set_coherent_mask(struct device *dev, u64 mask)
+{
+        if (mask >= SZ_64M - 1)
+                return 0;
+        return -EIO;
+}
 EXPORT_SYMBOL(ixp4xx_pci_read);
 EXPORT_SYMBOL(ixp4xx_pci_write);
diff --git a/arch/arm/mach-ixp4xx/include/mach/hardware.h b/arch/arm/mach-ixp4xx/include/mach/hardware.h
index f91ca6d4fbe8..8138371c406e 100644
--- a/arch/arm/mach-ixp4xx/include/mach/hardware.h
+++ b/arch/arm/mach-ixp4xx/include/mach/hardware.h
@@ -26,6 +26,8 @@
 #define PCIBIOS_MAX_MEM         0x4BFFFFFF
 #endif
+#define ARCH_HAS_DMA_SET_COHERENT_MASK
 #define pcibios_assign_all_busses()     1
 /* Register locations and bits */
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index 93fc2ec95e76..6e924b398919 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -38,7 +38,7 @@
 #define KIRKWOOD_PCIE1_IO_PHYS_BASE     0xf3000000
 #define KIRKWOOD_PCIE1_IO_VIRT_BASE     0xfef00000
-#define KIRKWOOD_PCIE1_IO_BUS_BASE      0x00000000
+#define KIRKWOOD_PCIE1_IO_BUS_BASE      0x00100000
 #define KIRKWOOD_PCIE1_IO_SIZE          SZ_1M
 #define KIRKWOOD_PCIE_IO_PHYS_BASE      0xf2000000
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index 55e7f00836b7..513ad3102d7c 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -117,7 +117,7 @@ static void __init pcie0_ioresources_init(struct pcie_port *pp)
         * IORESOURCE_IO
         */
        pp->res[0].name = "PCIe 0 I/O Space";
-        pp->res[0].start = KIRKWOOD_PCIE_IO_PHYS_BASE;
+        pp->res[0].start = KIRKWOOD_PCIE_IO_BUS_BASE;
        pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1;
        pp->res[0].flags = IORESOURCE_IO;
@@ -139,7 +139,7 @@ static void __init pcie1_ioresources_init(struct pcie_port *pp)
         * IORESOURCE_IO
         */
        pp->res[0].name = "PCIe 1 I/O Space";
-        pp->res[0].start = KIRKWOOD_PCIE1_IO_PHYS_BASE;
+        pp->res[0].start = KIRKWOOD_PCIE1_IO_BUS_BASE;
        pp->res[0].end = pp->res[0].start + KIRKWOOD_PCIE1_IO_SIZE - 1;
        pp->res[0].flags = IORESOURCE_IO;
diff --git a/arch/arm/mach-mmp/include/mach/system.h b/arch/arm/mach-mmp/include/mach/system.h
index 4f5b0e0ce6cf..1a8a25edb1b4 100644
--- a/arch/arm/mach-mmp/include/mach/system.h
+++ b/arch/arm/mach-mmp/include/mach/system.h
@@ -9,6 +9,8 @@
 #ifndef __ASM_MACH_SYSTEM_H
 #define __ASM_MACH_SYSTEM_H
+#include <mach/cputype.h>
 static inline void arch_idle(void)
 {
        cpu_do_idle();
@@ -16,6 +18,9 @@ static inline void arch_idle(void)
 static inline void arch_reset(char mode, const char *cmd)
 {
-        cpu_reset(0);
+        if (cpu_is_pxa168())
+                cpu_reset(0xffff0000);
+        else
+                cpu_reset(0);
 }
 #endif /* __ASM_MACH_SYSTEM_H */
diff --git a/arch/arm/mach-pxa/cpufreq-pxa2xx.c b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
index 50d5939a78f1..58093d9e07be 100644
--- a/arch/arm/mach-pxa/cpufreq-pxa2xx.c
+++ b/arch/arm/mach-pxa/cpufreq-pxa2xx.c
@@ -312,8 +312,7 @@ static int pxa_set_target(struct cpufreq_policy *policy,
        freqs.cpu = policy->cpu;
        if (freq_debug)
-                pr_debug(KERN_INFO "Changing CPU frequency to %d Mhz, "
+                pr_debug("Changing CPU frequency to %d Mhz, (SDRAM %d Mhz)\n",
-                         "(SDRAM %d Mhz)\n",
                         freqs.new / 1000, (pxa_freq_settings[idx].div2) ?
                         (new_freq_mem / 2000) : (new_freq_mem / 1000));
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index 7f64d24cd564..814f1458a06a 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -264,23 +264,35 @@
 * <= 0x2 for pxa21x/pxa25x/pxa26x/pxa27x
 * == 0x3 for pxa300/pxa310/pxa320
 */
+#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
 #define __cpu_is_pxa2xx(id)                             \
        ({                                              \
                unsigned int _id = (id) >> 13 & 0x7;    \
                _id <= 0x2;                             \
         })
+#else
+#define __cpu_is_pxa2xx(id)     (0)
+#endif
+#ifdef CONFIG_PXA3xx
 #define __cpu_is_pxa3xx(id)                             \
        ({                                              \
                unsigned int _id = (id) >> 13 & 0x7;    \
                _id == 0x3;                             \
         })
+#else
+#define __cpu_is_pxa3xx(id)     (0)
+#endif
+#if defined(CONFIG_CPU_PXA930) || defined(CONFIG_CPU_PXA935)
 #define __cpu_is_pxa93x(id)                             \
        ({                                              \
                unsigned int _id = (id) >> 4 & 0xfff;   \
                _id == 0x683 || _id == 0x693;           \
         })
+#else
+#define __cpu_is_pxa93x(id)     (0)
+#endif
 #define cpu_is_pxa2xx()                                 \
        ({                                              \
@@ -309,7 +321,7 @@ extern unsigned long get_clock_tick_rate(void);
 #define PCIBIOS_MIN_IO          0
 #define PCIBIOS_MIN_MEM         0
 #define pcibios_assign_all_busses()     1
+#define ARCH_HAS_DMA_SET_COHERENT_MASK
 #endif
 #endif  /* _ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-pxa/include/mach/io.h b/arch/arm/mach-pxa/include/mach/io.h
index 262691fb97d8..fdca3be47d9b 100644
--- a/arch/arm/mach-pxa/include/mach/io.h
+++ b/arch/arm/mach-pxa/include/mach/io.h
@@ -6,6 +6,8 @@
 #ifndef __ASM_ARM_ARCH_IO_H
 #define __ASM_ARM_ARCH_IO_H
+#include <mach/hardware.h>
 #define IO_SPACE_LIMIT 0xffffffff
 /*
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index 77ad6d34ab5b..405b92a29793 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -469,9 +469,13 @@ static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
        },
 };
+static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
+        .use_pio        = 1,
+};
 void __init palm27x_pmic_init(void)
 {
        i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
-        pxa27x_set_i2c_power_info(NULL);
+        pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
 }
 #endif
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index c9b747cedea8..37d6173bbb66 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -240,6 +240,7 @@ static void __init vpac270_onenand_init(void) {}
 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 static struct pxamci_platform_data vpac270_mci_platform_data = {
        .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
+        .gpio_power             = -1,
        .gpio_card_detect       = GPIO53_VPAC270_SD_DETECT_N,
        .gpio_card_ro           = GPIO52_VPAC270_SD_READONLY,
        .detect_delay_ms        = 200,
diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c
index a492b982aa06..405e62128917 100644
--- a/arch/arm/mach-s3c64xx/dev-spi.c
+++ b/arch/arm/mach-s3c64xx/dev-spi.c
@@ -18,10 +18,11 @@
 #include <mach/map.h>
 #include <mach/gpio-bank-c.h>
 #include <mach/spi-clocks.h>
+#include <mach/irqs.h>
 #include <plat/s3c64xx-spi.h>
 #include <plat/gpio-cfg.h>
-#include <plat/irqs.h>
+#include <plat/devs.h>
 static char *spi_src_clks[] = {
        [S3C64XX_SPI_SRCCLK_PCLK] = "pclk",
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index 5c07d013b23d..e130379ba0e8 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -30,73 +30,73 @@
 #include <plat/devs.h>
 #include <plat/regs-serial.h>
-#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
+#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
-#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
-#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
 static struct s3c2410_uartcfg real6410_uartcfgs[] __initdata = {
        [0] = {
-                .hwport      = 0,
+                .hwport = 0,
-                .flags       = 0,
+                .flags  = 0,
-                .ucon        = UCON,
+                .ucon   = UCON,
-                .ulcon       = ULCON,
+                .ulcon  = ULCON,
-                .ufcon       = UFCON,
+                .ufcon  = UFCON,
        },
        [1] = {
-                .hwport      = 1,
+                .hwport = 1,
-                .flags       = 0,
+                .flags  = 0,
-                .ucon        = UCON,
+                .ucon   = UCON,
-                .ulcon       = ULCON,
+                .ulcon  = ULCON,
-                .ufcon       = UFCON,
+                .ufcon  = UFCON,
        },
        [2] = {
-                .hwport      = 2,
+                .hwport = 2,
-                .flags       = 0,
+                .flags  = 0,
-                .ucon        = UCON,
+                .ucon   = UCON,
-                .ulcon       = ULCON,
+                .ulcon  = ULCON,
-                .ufcon       = UFCON,
+                .ufcon  = UFCON,
        },
        [3] = {
-                .hwport      = 3,
+                .hwport = 3,
-                .flags       = 0,
+                .flags  = 0,
-                .ucon        = UCON,
+                .ucon   = UCON,
-                .ulcon       = ULCON,
+                .ulcon  = ULCON,
-                .ufcon       = UFCON,
+                .ufcon  = UFCON,
        },
 };
 /* DM9000AEP 10/100 ethernet controller */
 static struct resource real6410_dm9k_resource[] = {
-        [0] = {
+        [0] = {
-                .start = S3C64XX_PA_XM0CSN1,
+                .start  = S3C64XX_PA_XM0CSN1,
-                .end   = S3C64XX_PA_XM0CSN1 + 1,
+                .end    = S3C64XX_PA_XM0CSN1 + 1,
-                .flags = IORESOURCE_MEM
+                .flags  = IORESOURCE_MEM
-        },
+        },
-        [1] = {
+        [1] = {
-                .start = S3C64XX_PA_XM0CSN1 + 4,
+                .start  = S3C64XX_PA_XM0CSN1 + 4,
-                .end   = S3C64XX_PA_XM0CSN1 + 5,
+                .end    = S3C64XX_PA_XM0CSN1 + 5,
-                .flags = IORESOURCE_MEM
+                .flags  = IORESOURCE_MEM
-        },
+        },
-        [2] = {
+        [2] = {
-                .start = S3C_EINT(7),
+                .start  = S3C_EINT(7),
-                .end   = S3C_EINT(7),
+                .end    = S3C_EINT(7),
-                .flags = IORESOURCE_IRQ,
+                .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL
-        }
+        }
 };
 static struct dm9000_plat_data real6410_dm9k_pdata = {
-        .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
+        .flags          = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
 };
 static struct platform_device real6410_device_eth = {
-        .name           = "dm9000",
+        .name           = "dm9000",
-        .id             = -1,
+        .id             = -1,
-        .num_resources  = ARRAY_SIZE(real6410_dm9k_resource),
+        .num_resources  = ARRAY_SIZE(real6410_dm9k_resource),
-        .resource       = real6410_dm9k_resource,
+        .resource       = real6410_dm9k_resource,
-        .dev            = {
+        .dev            = {
-                .platform_data  = &real6410_dm9k_pdata,
+                .platform_data  = &real6410_dm9k_pdata,
-        },
+        },
 };
 static struct platform_device *real6410_devices[] __initdata = {
@@ -129,12 +129,12 @@ static void __init real6410_machine_init(void)
        /* set timing for nCS1 suitable for ethernet chip */
        __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
-                        (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
+                (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
-                        (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
+                (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
-                        (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
+                (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
-                        (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
+                (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
-                        (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
+                (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
-                        (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
+                (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
        platform_add_devices(real6410_devices, ARRAY_SIZE(real6410_devices));
 }
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index af91fefef2c6..cfecd70657cb 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -281,6 +281,24 @@ static struct clk init_clocks_disable[] = {
                .enable         = s5pv210_clk_ip0_ctrl,
                .ctrlbit        = (1<<29),
        }, {
+                .name           = "fimc",
+                .id             = 0,
+                .parent         = &clk_hclk_dsys.clk,
+                .enable         = s5pv210_clk_ip0_ctrl,
+                .ctrlbit        = (1 << 24),
+        }, {
+                .name           = "fimc",
+                .id             = 1,
+                .parent         = &clk_hclk_dsys.clk,
+                .enable         = s5pv210_clk_ip0_ctrl,
+                .ctrlbit        = (1 << 25),
+        }, {
+                .name           = "fimc",
+                .id             = 2,
+                .parent         = &clk_hclk_dsys.clk,
+                .enable         = s5pv210_clk_ip0_ctrl,
+                .ctrlbit        = (1 << 26),
+        }, {
                .name           = "otg",
                .id             = -1,
                .parent         = &clk_hclk_psys.clk,
@@ -357,7 +375,7 @@ static struct clk init_clocks_disable[] = {
                .id             = 1,
                .parent         = &clk_pclk_psys.clk,
                .enable         = s5pv210_clk_ip3_ctrl,
-                .ctrlbit        = (1<<8),
+                .ctrlbit        = (1 << 10),
        }, {
                .name           = "i2c",
                .id             = 2,
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index b9f4d677cf55..77f456c91ad3 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -47,7 +47,7 @@ static struct map_desc s5pv210_iodesc[] __initdata = {
        {
                .virtual        = (unsigned long)S5P_VA_SYSTIMER,
                .pfn            = __phys_to_pfn(S5PV210_PA_SYSTIMER),
-                .length         = SZ_1M,
+                .length         = SZ_4K,
                .type           = MT_DEVICE,
        }, {
                .virtual        = (unsigned long)VA_VIC2,
diff --git a/arch/arm/mach-u300/include/mach/gpio.h b/arch/arm/mach-u300/include/mach/gpio.h
index 7b1fc984abb6..d5a71abcbaea 100644
--- a/arch/arm/mach-u300/include/mach/gpio.h
+++ b/arch/arm/mach-u300/include/mach/gpio.h
@@ -273,6 +273,9 @@ extern void gpio_pullup(unsigned gpio, int value);
 extern int gpio_get_value(unsigned gpio);
 extern void gpio_set_value(unsigned gpio, int value);
+#define gpio_get_value_cansleep gpio_get_value
+#define gpio_set_value_cansleep gpio_set_value
 /* wrappers to sleep-enable the previous two functions */
 static inline unsigned gpio_to_irq(unsigned gpio)
 {
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index 577df6cccb08..efb127022d42 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -227,7 +227,13 @@ static void ct_ca9x4_init(void)
        int i;
 #ifdef CONFIG_CACHE_L2X0
-        l2x0_init(MMIO_P2V(CT_CA9X4_L2CC), 0x00000000, 0xfe0fffff);
+        void __iomem *l2x0_base = MMIO_P2V(CT_CA9X4_L2CC);
+        /* set RAM latencies to 1 cycle for this core tile. */
+        writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL);
+        writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL);
+        l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff);
 #endif
        clkdev_add_table(lookups, ARRAY_SIZE(lookups));
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index d073b64ae87e..724ba3bce72c 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -885,8 +885,23 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
        if (ai_usermode & UM_SIGNAL)
                force_sig(SIGBUS, current);
-        else
+        else {
-                set_cr(cr_no_alignment);
+                /*
+                 * We're about to disable the alignment trap and return to
+                 * user space.  But if an interrupt occurs before actually
+                 * reaching user space, then the IRQ vector entry code will
+                 * notice that we were still in kernel space and therefore
+                 * the alignment trap won't be re-enabled in that case as it
+                 * is presumed to be always on from kernel space.
+                 * Let's prevent that race by disabling interrupts here (they
+                 * are disabled on the way back to user space anyway in
+                 * entry-common.S) and disable the alignment trap only if
+                 * there is no work pending for this thread.
+                 */
+                raw_local_irq_disable();
+                if (!(current_thread_info()->flags & _TIF_WORK_MASK))
+                        set_cr(cr_no_alignment);
+        }
        return 0;
 }
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 6e1c4f6a2b3f..6a3a2d0cd6db 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -15,6 +15,7 @@
 #include <linux/nodemask.h>
 #include <linux/memblock.h>
 #include <linux/sort.h>
+#include <linux/fs.h>
 #include <asm/cputype.h>
 #include <asm/sections.h>
@@ -246,6 +247,9 @@ static struct mem_type mem_types[] = {
                .domain    = DOMAIN_USER,
        },
        [MT_MEMORY] = {
+                .prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
+                                L_PTE_USER | L_PTE_EXEC,
+                .prot_l1   = PMD_TYPE_TABLE,
                .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
                .domain    = DOMAIN_KERNEL,
        },
@@ -254,6 +258,9 @@ static struct mem_type mem_types[] = {
                .domain    = DOMAIN_KERNEL,
        },
        [MT_MEMORY_NONCACHED] = {
+                .prot_pte  = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
+                                L_PTE_USER | L_PTE_EXEC | L_PTE_MT_BUFFERABLE,
+                .prot_l1   = PMD_TYPE_TABLE,
                .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE,
                .domain    = DOMAIN_KERNEL,
        },
@@ -411,9 +418,12 @@ static void __init build_mem_type_table(void)
         * Enable CPU-specific coherency if supported.
         * (Only available on XSC3 at the moment.)
         */
-        if (arch_is_coherent() && cpu_is_xsc3())
+        if (arch_is_coherent() && cpu_is_xsc3()) {
                mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S;
+                mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED;
+                mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S;
+                mem_types[MT_MEMORY_NONCACHED].prot_pte |= L_PTE_SHARED;
+        }
        /*
         * ARMv6 and above have extended page tables.
         */
@@ -438,7 +448,9 @@ static void __init build_mem_type_table(void)
                mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S;
                mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED;
                mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S;
+                mem_types[MT_MEMORY].prot_pte |= L_PTE_SHARED;
                mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S;
+                mem_types[MT_MEMORY_NONCACHED].prot_pte |= L_PTE_SHARED;
 #endif
        }
@@ -475,6 +487,8 @@ static void __init build_mem_type_table(void)
        mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask;
        mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask;
        mem_types[MT_MEMORY].prot_sect |= ecc_mask | cp->pmd;
+        mem_types[MT_MEMORY].prot_pte |= kern_pgprot;
+        mem_types[MT_MEMORY_NONCACHED].prot_sect |= ecc_mask;
        mem_types[MT_ROM].prot_sect |= cp->pmd;
        switch (cp->pmd) {
@@ -498,6 +512,19 @@ static void __init build_mem_type_table(void)
        }
 }
+#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
+pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+                              unsigned long size, pgprot_t vma_prot)
+{
+        if (!pfn_valid(pfn))
+                return pgprot_noncached(vma_prot);
+        else if (file->f_flags & O_SYNC)
+                return pgprot_writecombine(vma_prot);
+        return vma_prot;
+}
+EXPORT_SYMBOL(phys_mem_access_prot);
+#endif
 #define vectors_base()  (vectors_high() ? 0xffff0000 : 0)
 static void __init *early_alloc(unsigned long sz)
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 6a8506d99ee9..7563ff0141bd 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -186,13 +186,14 @@ cpu_v7_name:
 *      It is assumed that:
 *      - cache type register is implemented
 */
-__v7_setup:
+__v7_ca9mp_setup:
 #ifdef CONFIG_SMP
        mrc     p15, 0, r0, c1, c0, 1
        tst     r0, #(1 << 6)                   @ SMP/nAMP mode enabled?
        orreq   r0, r0, #(1 << 6) | (1 << 0)    @ Enable SMP/nAMP mode and
        mcreq   p15, 0, r0, c1, c0, 1           @ TLB ops broadcasting
 #endif
+__v7_setup:
        adr     r12, __v7_setup_stack           @ the local stack
        stmia   r12, {r0-r5, r7, r9, r11, lr}
        bl      v7_flush_dcache_all
@@ -201,11 +202,16 @@ __v7_setup:
        mrc     p15, 0, r0, c0, c0, 0           @ read main ID register
        and     r10, r0, #0xff000000            @ ARM?
        teq     r10, #0x41000000
-        bne     2f
+        bne     3f
        and     r5, r0, #0x00f00000             @ variant
        and     r6, r0, #0x0000000f             @ revision
-        orr     r0, r6, r5, lsr #20-4           @ combine variant and revision
+        orr     r6, r6, r5, lsr #20-4           @ combine variant and revision
+        ubfx    r0, r0, #4, #12                 @ primary part number
+        /* Cortex-A8 Errata */
+        ldr     r10, =0x00000c08                @ Cortex-A8 primary part number
+        teq     r0, r10
+        bne     2f
 #ifdef CONFIG_ARM_ERRATA_430973
        teq     r5, #0x00100000                 @ only present in r1p*
        mrceq   p15, 0, r10, c1, c0, 1          @ read aux control register
@@ -213,21 +219,42 @@ __v7_setup:
        mcreq   p15, 0, r10, c1, c0, 1          @ write aux control register
 #endif
 #ifdef CONFIG_ARM_ERRATA_458693
-        teq     r0, #0x20                       @ only present in r2p0
+        teq     r6, #0x20                       @ only present in r2p0
        mrceq   p15, 0, r10, c1, c0, 1          @ read aux control register
        orreq   r10, r10, #(1 << 5)             @ set L1NEON to 1
        orreq   r10, r10, #(1 << 9)             @ set PLDNOP to 1
        mcreq   p15, 0, r10, c1, c0, 1          @ write aux control register
 #endif
 #ifdef CONFIG_ARM_ERRATA_460075
-        teq     r0, #0x20                       @ only present in r2p0
+        teq     r6, #0x20                       @ only present in r2p0
        mrceq   p15, 1, r10, c9, c0, 2          @ read L2 cache aux ctrl register
        tsteq   r10, #1 << 22
        orreq   r10, r10, #(1 << 22)            @ set the Write Allocate disable bit
        mcreq   p15, 1, r10, c9, c0, 2          @ write the L2 cache aux ctrl register
 #endif
+        b       3f
+        /* Cortex-A9 Errata */
+2:      ldr     r10, =0x00000c09                @ Cortex-A9 primary part number
+        teq     r0, r10
+        bne     3f
+#ifdef CONFIG_ARM_ERRATA_742230
+        cmp     r6, #0x22                       @ only present up to r2p2
+        mrcle   p15, 0, r10, c15, c0, 1         @ read diagnostic register
+        orrle   r10, r10, #1 << 4               @ set bit #4
+        mcrle   p15, 0, r10, c15, c0, 1         @ write diagnostic register
+#endif
+#ifdef CONFIG_ARM_ERRATA_742231
+        teq     r6, #0x20                       @ present in r2p0
+        teqne   r6, #0x21                       @ present in r2p1
+        teqne   r6, #0x22                       @ present in r2p2
+        mrceq   p15, 0, r10, c15, c0, 1         @ read diagnostic register
+        orreq   r10, r10, #1 << 12              @ set bit #12
+        orreq   r10, r10, #1 << 22              @ set bit #22
+        mcreq   p15, 0, r10, c15, c0, 1         @ write diagnostic register
+#endif
-2:      mov     r10, #0
+3:      mov     r10, #0
 #ifdef HARVARD_CACHE
        mcr     p15, 0, r10, c7, c5, 0          @ I+BTB cache invalidate
 #endif
@@ -323,6 +350,29 @@ cpu_elf_name:
        .section ".proc.info.init", #alloc, #execinstr
+        .type   __v7_ca9mp_proc_info, #object
+__v7_ca9mp_proc_info:
+        .long   0x410fc090              @ Required ID value
+        .long   0xff0ffff0              @ Mask for ID
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ | \
+                PMD_FLAGS
+        .long   PMD_TYPE_SECT | \
+                PMD_SECT_XN | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
+        b       __v7_ca9mp_setup
+        .long   cpu_arch_name
+        .long   cpu_elf_name
+        .long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
+        .long   cpu_v7_name
+        .long   v7_processor_functions
+        .long   v7wbi_tlb_fns
+        .long   v6_user_fns
+        .long   v7_cache_fns
+        .size   __v7_ca9mp_proc_info, . - __v7_ca9mp_proc_info
        /*
         * Match any ARMv7 processor core.
         */
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 0691176899ff..72e09eb642dd 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -102,6 +102,7 @@ static int op_create_counter(int cpu, int event)
        if (IS_ERR(pevent)) {
                ret = PTR_ERR(pevent);
        } else if (pevent->state != PERF_EVENT_STATE_ACTIVE) {
+                perf_event_release_kernel(pevent);
                pr_warning("oprofile: failed to enable event %d "
                                "on CPU %d\n", event, cpu);
                ret = -EBUSY;
@@ -365,6 +366,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
        ret = init_driverfs();
        if (ret) {
                kfree(counter_config);
+                counter_config = NULL;
                return ret;
        }
@@ -402,7 +404,6 @@ void oprofile_arch_exit(void)
        struct perf_event *event;
        if (*perf_events) {
-                exit_driverfs();
                for_each_possible_cpu(cpu) {
                        for (id = 0; id < perf_num_counters; ++id) {
                                event = perf_events[cpu][id];
@@ -413,8 +414,10 @@ void oprofile_arch_exit(void)
                }
        }
-        if (counter_config)
+        if (counter_config) {
                kfree(counter_config);
+                exit_driverfs();
+        }
 }
 #else
 int __init oprofile_arch_init(struct oprofile_operations *ops)
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index ea3ca86c5283..aedf9c1d645e 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -1,5 +1,5 @@
 /*
- *  linux/arch/arm/mach-nomadik/timer.c
+ *  linux/arch/arm/plat-nomadik/timer.c
 *
 * Copyright (C) 2008 STMicroelectronics
 * Copyright (C) 2010 Alessandro Rubini
@@ -75,7 +75,7 @@ static void nmdk_clkevt_mode(enum clock_event_mode mode,
                cr = readl(mtu_base + MTU_CR(1));
                writel(0, mtu_base + MTU_LR(1));
                writel(cr | MTU_CRn_ENA, mtu_base + MTU_CR(1));
-                writel(0x2, mtu_base + MTU_IMSC);
+                writel(1 << 1, mtu_base + MTU_IMSC);
                break;
        case CLOCK_EVT_MODE_SHUTDOWN:
        case CLOCK_EVT_MODE_UNUSED:
@@ -131,25 +131,23 @@ void __init nmdk_timer_init(void)
 {
        unsigned long rate;
        struct clk *clk0;
-        struct clk *clk1;
+        u32 cr = MTU_CRn_32BITS;
-        u32 cr;
        clk0 = clk_get_sys("mtu0", NULL);
        BUG_ON(IS_ERR(clk0));
-        clk1 = clk_get_sys("mtu1", NULL);
-        BUG_ON(IS_ERR(clk1));
        clk_enable(clk0);
-        clk_enable(clk1);
        /*
-         * Tick rate is 2.4MHz for Nomadik and 110MHz for ux500:
+         * Tick rate is 2.4MHz for Nomadik and 2.4Mhz, 100MHz or 133 MHz
-         * use a divide-by-16 counter if it's more than 16MHz
+         * for ux500.
+         * Use a divide-by-16 counter if the tick rate is more than 32MHz.
+         * At 32 MHz, the timer (with 32 bit counter) can be programmed
+         * to wake-up at a max 127s a head in time. Dividing a 2.4 MHz timer
+         * with 16 gives too low timer resolution.
         */
-        cr = MTU_CRn_32BITS;;
        rate = clk_get_rate(clk0);
-        if (rate > 16 << 20) {
+        if (rate > 32000000) {
                rate /= 16;
                cr |= MTU_CRn_PRESCALE_16;
        } else {
@@ -170,15 +168,8 @@ void __init nmdk_timer_init(void)
                pr_err("timer: failed to initialize clock source %s\n",
                       nmdk_clksrc.name);
-        /* Timer 1 is used for events, fix according to rate */
+        /* Timer 1 is used for events */
-        cr = MTU_CRn_32BITS;
-        rate = clk_get_rate(clk1);
-        if (rate > 16 << 20) {
-                rate /= 16;
-                cr |= MTU_CRn_PRESCALE_16;
-        } else {
-                cr |= MTU_CRn_PRESCALE_1;
-        }
        clockevents_calc_mult_shift(&nmdk_clkevt, rate, MTU_MIN_RANGE);
        writel(cr | MTU_CRn_ONESHOT, mtu_base + MTU_CR(1)); /* off, currently */
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index e39a417a368d..a92cb499313f 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -33,7 +33,7 @@ config OMAP_DEBUG_DEVICES
 config OMAP_DEBUG_LEDS
        bool
        depends on OMAP_DEBUG_DEVICES
-        default y if LEDS
+        default y if LEDS_CLASS
 config OMAP_RESET_CLOCKS
        bool "Reset unused clocks during boot"
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index e31496e35b0f..0c8612fd8312 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -156,7 +156,7 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
                /* Writing zero to RSYNC_ERR clears the IRQ */
                MCBSP_WRITE(mcbsp_rx, SPCR1, MCBSP_READ_CACHE(mcbsp_rx, SPCR1));
        } else {
-                complete(&mcbsp_rx->tx_irq_completion);
+                complete(&mcbsp_rx->rx_irq_completion);
        }
        return IRQ_HANDLED;
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 226b2e858d6c..10b3b4c63372 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -220,20 +220,7 @@ void __init omap_map_sram(void)
        if (omap_sram_size == 0)
                return;
-        if (cpu_is_omap24xx()) {
-                omap_sram_io_desc[0].virtual = OMAP2_SRAM_VA;
-                base = OMAP2_SRAM_PA;
-                base = ROUND_DOWN(base, PAGE_SIZE);
-                omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
-        }
        if (cpu_is_omap34xx()) {
-                omap_sram_io_desc[0].virtual = OMAP3_SRAM_VA;
-                base = OMAP3_SRAM_PA;
-                base = ROUND_DOWN(base, PAGE_SIZE);
-                omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
                /*
                 * SRAM must be marked as non-cached on OMAP3 since the
                 * CORE DPLL M2 divider change code (in SRAM) runs with the
@@ -244,13 +231,11 @@ void __init omap_map_sram(void)
                omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED;
        }
-        if (cpu_is_omap44xx()) {
+        omap_sram_io_desc[0].virtual = omap_sram_base;
-                omap_sram_io_desc[0].virtual = OMAP4_SRAM_VA;
+        base = omap_sram_start;
-                base = OMAP4_SRAM_PA;
+        base = ROUND_DOWN(base, PAGE_SIZE);
-                base = ROUND_DOWN(base, PAGE_SIZE);
+        omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
-                omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
+        omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE);
-        }
-        omap_sram_io_desc[0].length = 1024 * 1024;      /* Use section desc */
        iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
        printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n",
diff --git a/arch/arm/plat-s5p/dev-fimc0.c b/arch/arm/plat-s5p/dev-fimc0.c
index d3f1a9b5d2b5..608770fc1531 100644
--- a/arch/arm/plat-s5p/dev-fimc0.c
+++ b/arch/arm/plat-s5p/dev-fimc0.c
@@ -10,6 +10,7 @@
 */
 #include <linux/kernel.h>
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
@@ -18,7 +19,7 @@
 static struct resource s5p_fimc0_resource[] = {
        [0] = {
                .start  = S5P_PA_FIMC0,
-                .end    = S5P_PA_FIMC0 + SZ_1M - 1,
+                .end    = S5P_PA_FIMC0 + SZ_4K - 1,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
@@ -28,9 +29,15 @@ static struct resource s5p_fimc0_resource[] = {
        },
 };
+static u64 s5p_fimc0_dma_mask = DMA_BIT_MASK(32);
 struct platform_device s5p_device_fimc0 = {
        .name           = "s5p-fimc",
        .id             = 0,
        .num_resources  = ARRAY_SIZE(s5p_fimc0_resource),
        .resource       = s5p_fimc0_resource,
+        .dev            = {
+                .dma_mask               = &s5p_fimc0_dma_mask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+        },
 };
diff --git a/arch/arm/plat-s5p/dev-fimc1.c b/arch/arm/plat-s5p/dev-fimc1.c
index 41bd6986d0ad..76e3a97a87d3 100644
--- a/arch/arm/plat-s5p/dev-fimc1.c
+++ b/arch/arm/plat-s5p/dev-fimc1.c
@@ -10,6 +10,7 @@
 */
 #include <linux/kernel.h>
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
@@ -18,7 +19,7 @@
 static struct resource s5p_fimc1_resource[] = {
        [0] = {
                .start  = S5P_PA_FIMC1,
-                .end    = S5P_PA_FIMC1 + SZ_1M - 1,
+                .end    = S5P_PA_FIMC1 + SZ_4K - 1,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
@@ -28,9 +29,15 @@ static struct resource s5p_fimc1_resource[] = {
        },
 };
+static u64 s5p_fimc1_dma_mask = DMA_BIT_MASK(32);
 struct platform_device s5p_device_fimc1 = {
        .name           = "s5p-fimc",
        .id             = 1,
        .num_resources  = ARRAY_SIZE(s5p_fimc1_resource),
        .resource       = s5p_fimc1_resource,
+        .dev            = {
+                .dma_mask               = &s5p_fimc1_dma_mask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+        },
 };
diff --git a/arch/arm/plat-s5p/dev-fimc2.c b/arch/arm/plat-s5p/dev-fimc2.c
index dfddeda6d4a3..24d29816fa2c 100644
--- a/arch/arm/plat-s5p/dev-fimc2.c
+++ b/arch/arm/plat-s5p/dev-fimc2.c
@@ -10,6 +10,7 @@
 */
 #include <linux/kernel.h>
+#include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
@@ -18,7 +19,7 @@
 static struct resource s5p_fimc2_resource[] = {
        [0] = {
                .start  = S5P_PA_FIMC2,
-                .end    = S5P_PA_FIMC2 + SZ_1M - 1,
+                .end    = S5P_PA_FIMC2 + SZ_4K - 1,
                .flags  = IORESOURCE_MEM,
        },
        [1] = {
@@ -28,9 +29,15 @@ static struct resource s5p_fimc2_resource[] = {
        },
 };
+static u64 s5p_fimc2_dma_mask = DMA_BIT_MASK(32);
 struct platform_device s5p_device_fimc2 = {
        .name           = "s5p-fimc",
        .id             = 2,
        .num_resources  = ARRAY_SIZE(s5p_fimc2_resource),
        .resource       = s5p_fimc2_resource,
+        .dev            = {
+                .dma_mask               = &s5p_fimc2_dma_mask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+        },
 };
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index 57b68a50f45e..e3d41eaed1ff 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -273,13 +273,13 @@ s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin)
        if (!chip)
                return -EINVAL;
-        off = chip->chip.base - pin;
+        off = pin - chip->chip.base;
        shift = off * 2;
        reg = chip->base + 0x0C;
        drvstr = __raw_readl(reg);
-        drvstr = 0xffff & (0x3 << shift);
        drvstr = drvstr >> shift;
+        drvstr &= 0x3;
        return (__force s5p_gpio_drvstr_t)drvstr;
 }
@@ -296,11 +296,12 @@ int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr)
        if (!chip)
                return -EINVAL;
-        off = chip->chip.base - pin;
+        off = pin - chip->chip.base;
        shift = off * 2;
        reg = chip->base + 0x0C;
        tmp = __raw_readl(reg);
+        tmp &= ~(0x3 << shift);
        tmp |= drvstr << shift;
        __raw_writel(tmp, reg);
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index db4112c6f2be..1c6b92947c5d 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -143,12 +143,12 @@ extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
 /* Define values for the drvstr available for each gpio pin.
 *
 * These values control the value of the output signal driver strength,
- * configurable on most pins on the S5C series.
+ * configurable on most pins on the S5P series.
 */
-#define S5P_GPIO_DRVSTR_LV1     ((__force s5p_gpio_drvstr_t)0x00)
+#define S5P_GPIO_DRVSTR_LV1     ((__force s5p_gpio_drvstr_t)0x0)
-#define S5P_GPIO_DRVSTR_LV2     ((__force s5p_gpio_drvstr_t)0x01)
+#define S5P_GPIO_DRVSTR_LV2     ((__force s5p_gpio_drvstr_t)0x2)
-#define S5P_GPIO_DRVSTR_LV3     ((__force s5p_gpio_drvstr_t)0x10)
+#define S5P_GPIO_DRVSTR_LV3     ((__force s5p_gpio_drvstr_t)0x1)
-#define S5P_GPIO_DRVSTR_LV4     ((__force s5p_gpio_drvstr_t)0x11)
+#define S5P_GPIO_DRVSTR_LV4     ((__force s5p_gpio_drvstr_t)0x3)
 /**
 * s5c_gpio_get_drvstr() - get the driver streght value of a gpio pin
diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c
index 98f94d041d9c..a727f54d64d6 100644
--- a/arch/avr32/kernel/module.c
+++ b/arch/avr32/kernel/module.c
@@ -314,10 +314,9 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
        vfree(module->arch.syminfo);
        module->arch.syminfo = NULL;
-        return module_bug_finalize(hdr, sechdrs, module);
+        return 0;
 }
 void module_arch_cleanup(struct module *module)
 {
-        module_bug_cleanup(module);
 }
diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 0974c0ecc594..bab01298b58e 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -121,6 +121,9 @@ static int restore_sigcontext(struct sigcontext __user *sc, int *_gr8)
        struct user_context *user = current->thread.user;
        unsigned long tbr, psr;
+        /* Always make any pending restarted system calls return -EINTR */
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
        tbr = user->i.tbr;
        psr = user->i.psr;
        if (copy_from_user(user, &sc->sc_context, sizeof(sc->sc_context)))
@@ -250,6 +253,8 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
        struct sigframe __user *frame;
        int rsig;
+        set_fs(USER_DS);
        frame = get_sigframe(ka, sizeof(*frame));
        if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@@ -293,22 +298,23 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
                                   (unsigned long) (frame->retcode + 2));
        }
-        /* set up registers for signal handler */
+        /* Set up registers for the signal handler */
-        __frame->sp   = (unsigned long) frame;
-        __frame->lr   = (unsigned long) &frame->retcode;
-        __frame->gr8  = sig;
        if (current->personality & FDPIC_FUNCPTRS) {
                struct fdpic_func_descriptor __user *funcptr =
                        (struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
-                __get_user(__frame->pc, &funcptr->text);
+                struct fdpic_func_descriptor desc;
-                __get_user(__frame->gr15, &funcptr->GOT);
+                if (copy_from_user(&desc, funcptr, sizeof(desc)))
+                        goto give_sigsegv;
+                __frame->pc = desc.text;
+                __frame->gr15 = desc.GOT;
        } else {
                __frame->pc   = (unsigned long) ka->sa.sa_handler;
                __frame->gr15 = 0;
        }
-        set_fs(USER_DS);
+        __frame->sp   = (unsigned long) frame;
+        __frame->lr   = (unsigned long) &frame->retcode;
+        __frame->gr8  = sig;
        /* the tracer may want to single-step inside the handler */
        if (test_thread_flag(TIF_SINGLESTEP))
@@ -323,7 +329,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
        return 0;
 give_sigsegv:
-        force_sig(SIGSEGV, current);
+        force_sigsegv(sig, current);
        return -EFAULT;
 } /* end setup_frame() */
@@ -338,6 +344,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        struct rt_sigframe __user *frame;
        int rsig;
+        set_fs(USER_DS);
        frame = get_sigframe(ka, sizeof(*frame));
        if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
@@ -392,22 +400,23 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        }
        /* Set up registers for signal handler */
-        __frame->sp  = (unsigned long) frame;
-        __frame->lr   = (unsigned long) &frame->retcode;
-        __frame->gr8 = sig;
-        __frame->gr9 = (unsigned long) &frame->info;
        if (current->personality & FDPIC_FUNCPTRS) {
                struct fdpic_func_descriptor __user *funcptr =
                        (struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
-                __get_user(__frame->pc, &funcptr->text);
+                struct fdpic_func_descriptor desc;
-                __get_user(__frame->gr15, &funcptr->GOT);
+                if (copy_from_user(&desc, funcptr, sizeof(desc)))
+                        goto give_sigsegv;
+                __frame->pc = desc.text;
+                __frame->gr15 = desc.GOT;
        } else {
                __frame->pc   = (unsigned long) ka->sa.sa_handler;
                __frame->gr15 = 0;
        }
-        set_fs(USER_DS);
+        __frame->sp  = (unsigned long) frame;
+        __frame->lr  = (unsigned long) &frame->retcode;
+        __frame->gr8 = sig;
+        __frame->gr9 = (unsigned long) &frame->info;
        /* the tracer may want to single-step inside the handler */
        if (test_thread_flag(TIF_SINGLESTEP))
@@ -422,7 +431,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        return 0;
 give_sigsegv:
-        force_sig(SIGSEGV, current);
+        force_sigsegv(sig, current);
        return -EFAULT;
 } /* end setup_rt_frame() */
@@ -437,7 +446,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
        int ret;
        /* Are we from a system call? */
-        if (in_syscall(__frame)) {
+        if (__frame->syscallno != -1) {
                /* If so, check system call restarting.. */
                switch (__frame->gr8) {
                case -ERESTART_RESTARTBLOCK:
@@ -456,6 +465,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
                        __frame->gr8 = __frame->orig_gr8;
                        __frame->pc -= 4;
                }
+                __frame->syscallno = -1;
        }
        /* Set up the stack frame */
@@ -538,10 +548,11 @@ no_signal:
                        break;
                case -ERESTART_RESTARTBLOCK:
-                        __frame->gr8 = __NR_restart_syscall;
+                        __frame->gr7 = __NR_restart_syscall;
                        __frame->pc -= 4;
                        break;
                }
+                __frame->syscallno = -1;
        }
        /* if there's no signal to deliver, we just put the saved sigmask
diff --git a/arch/h8300/kernel/module.c b/arch/h8300/kernel/module.c
index 0865e291c20d..db4953dc4e1b 100644
--- a/arch/h8300/kernel/module.c
+++ b/arch/h8300/kernel/module.c
@@ -112,10 +112,9 @@ int module_finalize(const Elf_Ehdr *hdr,
                    const Elf_Shdr *sechdrs,
                    struct module *me)
 {
-        return module_bug_finalize(hdr, sechdrs, me);
+        return 0;
 }
 void module_arch_cleanup(struct module *mod)
 {
-        module_bug_cleanup(mod);
 }
diff --git a/arch/ia64/include/asm/compat.h b/arch/ia64/include/asm/compat.h
index f90edc85b509..9301a2821615 100644
--- a/arch/ia64/include/asm/compat.h
+++ b/arch/ia64/include/asm/compat.h
@@ -199,7 +199,7 @@ ptr_to_compat(void __user *uptr)
 }
 static __inline__ void __user *
-compat_alloc_user_space (long len)
+arch_compat_alloc_user_space (long len)
 {
        struct pt_regs *regs = task_pt_regs(current);
        return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index 3567d54f8cee..331d42bda77a 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -420,22 +420,31 @@ EX(.fail_efault, ld8 r14=[r33])			// r14 <- *set
        ;;
        RSM_PSR_I(p0, r18, r19)                 // mask interrupt delivery
-        mov ar.ccv=0
        andcm r14=r14,r17                       // filter out SIGKILL & SIGSTOP
+        mov r8=EINVAL                   // default to EINVAL
 #ifdef CONFIG_SMP
-        mov r17=1
+        // __ticket_spin_trylock(r31)
+        ld4 r17=[r31]
        ;;
-        cmpxchg4.acq r18=[r31],r17,ar.ccv       // try to acquire the lock
+        mov.m ar.ccv=r17
-        mov r8=EINVAL                   // default to EINVAL
+        extr.u r9=r17,17,15
+        adds r19=1,r17
+        extr.u r18=r17,0,15
+        ;;
+        cmp.eq p6,p7=r9,r18
        ;;
+(p6)    cmpxchg4.acq r9=[r31],r19,ar.ccv
+(p6)    dep.z r20=r19,1,15              // next serving ticket for unlock
+(p7)    br.cond.spnt.many .lock_contention
+        ;;
+        cmp4.eq p0,p7=r9,r17
+        adds r31=2,r31
+(p7)    br.cond.spnt.many .lock_contention
        ld8 r3=[r2]                     // re-read current->blocked now that we hold the lock
-        cmp4.ne p6,p0=r18,r0
-(p6)    br.cond.spnt.many .lock_contention
        ;;
 #else
        ld8 r3=[r2]                     // re-read current->blocked now that we hold the lock
-        mov r8=EINVAL                   // default to EINVAL
 #endif
        add r18=IA64_TASK_PENDING_OFFSET+IA64_SIGPENDING_SIGNAL_OFFSET,r16
        add r19=IA64_TASK_SIGNAL_OFFSET,r16
@@ -490,7 +499,9 @@ EX(.fail_efault, ld8 r14=[r33])			// r14 <- *set
 (p6)    br.cond.spnt.few 1b                     // yes -> retry
 #ifdef CONFIG_SMP
-        st4.rel [r31]=r0                        // release the lock
+        // __ticket_spin_unlock(r31)
+        st2.rel [r31]=r20
+        mov r20=0                                       // i must not leak kernel bits...
 #endif
        SSM_PSR_I(p0, p9, r31)
        ;;
@@ -512,7 +523,8 @@ EX(.fail_efault, (p15) st8 [r34]=r3)
 .sig_pending:
 #ifdef CONFIG_SMP
-        st4.rel [r31]=r0                        // release the lock
+        // __ticket_spin_unlock(r31)
+        st2.rel [r31]=r20                       // release the lock
 #endif
        SSM_PSR_I(p0, p9, r17)
        ;;
diff --git a/arch/m32r/include/asm/signal.h b/arch/m32r/include/asm/signal.h
index 9c1acb2b1a92..b2eeb0de1c8d 100644
--- a/arch/m32r/include/asm/signal.h
+++ b/arch/m32r/include/asm/signal.h
@@ -157,7 +157,6 @@ typedef struct sigaltstack {
 #undef __HAVE_ARCH_SIG_BITOPS
 struct pt_regs;
-extern int do_signal(struct pt_regs *regs, sigset_t *oldset);
 #define ptrace_signal_deliver(regs, cookie)     do { } while (0)
diff --git a/arch/m32r/include/asm/unistd.h b/arch/m32r/include/asm/unistd.h
index 76125777483c..c70545689da8 100644
--- a/arch/m32r/include/asm/unistd.h
+++ b/arch/m32r/include/asm/unistd.h
@@ -351,6 +351,7 @@
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT /*will be unused*/
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_RT_SIGACTION
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
 #define __IGNORE_lchown
 #define __IGNORE_setuid
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S
index 403869833b98..225412bc227e 100644
--- a/arch/m32r/kernel/entry.S
+++ b/arch/m32r/kernel/entry.S
@@ -235,10 +235,9 @@ work_resched:
 work_notifysig:                         ; deal with pending signals and
                                        ; notify-resume requests
        mv      r0, sp                  ; arg1 : struct pt_regs *regs
-        ldi     r1, #0                  ; arg2 : sigset_t *oldset
+        mv      r1, r9                  ; arg2 : __u32 thread_info_flags
-        mv      r2, r9                  ; arg3 : __u32 thread_info_flags
        bl      do_notify_resume
-        bra     restore_all
+        bra     resume_userspace
        ; perform syscall exit tracing
        ALIGN
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index e555091eb97c..0021ade4cba8 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -592,16 +592,17 @@ void user_enable_single_step(struct task_struct *child)
        if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
            != sizeof(insn))
-                break;
+                return -EIO;
        compute_next_pc(insn, pc, &next_pc, child);
        if (next_pc & 0x80000000)
-                break;
+                return -EIO;
        if (embed_debug_trap(child, next_pc))
-                break;
+                return -EIO;
        invalidate_cache();
+        return 0;
 }
 void user_disable_single_step(struct task_struct *child)
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index 144b0f124fc7..7bbe38645ed5 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -28,37 +28,6 @@
 #define DEBUG_SIG 0
-#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
-int do_signal(struct pt_regs *, sigset_t *);
-asmlinkage int
-sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize,
-                  unsigned long r2, unsigned long r3, unsigned long r4,
-                  unsigned long r5, unsigned long r6, struct pt_regs *regs)
-{
-        sigset_t newset;
-        /* XXX: Don't preclude handling different sized sigset_t's.  */
-        if (sigsetsize != sizeof(sigset_t))
-                return -EINVAL;
-        if (copy_from_user(&newset, unewset, sizeof(newset)))
-                return -EFAULT;
-        sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP));
-        spin_lock_irq(&current->sighand->siglock);
-        current->saved_sigmask = current->blocked;
-        current->blocked = newset;
-        recalc_sigpending();
-        spin_unlock_irq(&current->sighand->siglock);
-        current->state = TASK_INTERRUPTIBLE;
-        schedule();
-        set_thread_flag(TIF_RESTORE_SIGMASK);
-        return -ERESTARTNOHAND;
-}
 asmlinkage int
 sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
                unsigned long r2, unsigned long r3, unsigned long r4,
@@ -218,7 +187,7 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
        return (void __user *)((sp - frame_size) & -8ul);
 }
-static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                           sigset_t *set, struct pt_regs *regs)
 {
        struct rt_sigframe __user *frame;
@@ -275,22 +244,34 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
                current->comm, current->pid, frame, regs->pc);
 #endif
-        return;
+        return 0;
 give_sigsegv:
        force_sigsegv(sig, current);
+        return -EFAULT;
+}
+static int prev_insn(struct pt_regs *regs)
+{
+        u16 inst;
+        if (get_user(&inst, (u16 __user *)(regs->bpc - 2)))
+                return -EFAULT;
+        if ((inst & 0xfff0) == 0x10f0)  /* trap ? */
+                regs->bpc -= 2;
+        else
+                regs->bpc -= 4;
+        regs->syscall_nr = -1;
+        return 0;
 }
 /*
 * OK, we're invoking a handler
 */
-static void
+static int
 handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
              sigset_t *oldset, struct pt_regs *regs)
 {
-        unsigned short inst;
        /* Are we from a system call? */
        if (regs->syscall_nr >= 0) {
                /* If so, check system call restarting.. */
@@ -308,16 +289,14 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
                        /* fallthrough */
                        case -ERESTARTNOINTR:
                                regs->r0 = regs->orig_r0;
-                                inst = *(unsigned short *)(regs->bpc - 2);
+                                if (prev_insn(regs) < 0)
-                                if ((inst & 0xfff0) == 0x10f0)  /* trap ? */
+                                        return -EFAULT;
-                                        regs->bpc -= 2;
-                                else
-                                        regs->bpc -= 4;
                }
        }
        /* Set up the stack frame */
-        setup_rt_frame(sig, ka, info, oldset, regs);
+        if (setup_rt_frame(sig, ka, info, oldset, regs))
+                return -EFAULT;
        spin_lock_irq(&current->sighand->siglock);
        sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
@@ -325,6 +304,7 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
                sigaddset(&current->blocked,sig);
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
+        return 0;
 }
 /*
@@ -332,12 +312,12 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
 * want to handle. Thus you cannot kill init even with a SIGKILL even by
 * mistake.
 */
-int do_signal(struct pt_regs *regs, sigset_t *oldset)
+static void do_signal(struct pt_regs *regs)
 {
        siginfo_t info;
        int signr;
        struct k_sigaction ka;
-        unsigned short inst;
+        sigset_t *oldset;
        /*
         * We want the common case to go fast, which
@@ -346,12 +326,14 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
         * if so.
         */
        if (!user_mode(regs))
-                return 1;
+                return;
        if (try_to_freeze()) 
                goto no_signal;
-        if (!oldset)
+        if (test_thread_flag(TIF_RESTORE_SIGMASK))
+                oldset = &current->saved_sigmask;
+        else
                oldset = &current->blocked;
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
@@ -363,8 +345,10 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
                 */
                /* Whee!  Actually deliver the signal.  */
-                handle_signal(signr, &ka, &info, oldset, regs);
+                if (handle_signal(signr, &ka, &info, oldset, regs) == 0)
-                return 1;
+                        clear_thread_flag(TIF_RESTORE_SIGMASK);
+                return;
        }
 no_signal:
@@ -375,31 +359,24 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
                    regs->r0 == -ERESTARTSYS ||
                    regs->r0 == -ERESTARTNOINTR) {
                        regs->r0 = regs->orig_r0;
-                        inst = *(unsigned short *)(regs->bpc - 2);
+                        prev_insn(regs);
-                        if ((inst & 0xfff0) == 0x10f0)  /* trap ? */
+                } else if (regs->r0 == -ERESTART_RESTARTBLOCK){
-                                regs->bpc -= 2;
-                        else
-                                regs->bpc -= 4;
-                }
-                if (regs->r0 == -ERESTART_RESTARTBLOCK){
                        regs->r0 = regs->orig_r0;
                        regs->r7 = __NR_restart_syscall;
-                        inst = *(unsigned short *)(regs->bpc - 2);
+                        prev_insn(regs);
-                        if ((inst & 0xfff0) == 0x10f0)  /* trap ? */
-                                regs->bpc -= 2;
-                        else
-                                regs->bpc -= 4;
                }
        }
-        return 0;
+        if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+                clear_thread_flag(TIF_RESTORE_SIGMASK);
+                sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+        }
 }
 /*
 * notification of userspace execution resumption
 * - triggered by current->work.notify_resume
 */
-void do_notify_resume(struct pt_regs *regs, sigset_t *oldset,
+void do_notify_resume(struct pt_regs *regs, __u32 thread_info_flags)
-                      __u32 thread_info_flags)
 {
        /* Pending single-step? */
        if (thread_info_flags & _TIF_SINGLESTEP)
@@ -407,7 +384,7 @@ void do_notify_resume(struct pt_regs *regs, sigset_t *oldset,
        /* deal with pending signal delivery */
        if (thread_info_flags & _TIF_SIGPENDING)
-                do_signal(regs,oldset);
+                do_signal(regs);
        if (thread_info_flags & _TIF_NOTIFY_RESUME) {
                clear_thread_flag(TIF_NOTIFY_RESUME);
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index 60b15d0aa072..b43b36beafe3 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -340,10 +340,13 @@
 #define __NR_set_thread_area    334
 #define __NR_atomic_cmpxchg_32  335
 #define __NR_atomic_barrier     336
+#define __NR_fanotify_init      337
+#define __NR_fanotify_mark      338
+#define __NR_prlimit64          339
 #ifdef __KERNEL__
-#define NR_syscalls             337
+#define NR_syscalls             340
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index 2391bdff0996..6360c437dcf5 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -765,4 +765,7 @@ sys_call_table:
        .long sys_set_thread_area
        .long sys_atomic_cmpxchg_32     /* 335 */
        .long sys_atomic_barrier
+        .long sys_fanotify_init
+        .long sys_fanotify_mark
+        .long sys_prlimit64
diff --git a/arch/m68k/mac/macboing.c b/arch/m68k/mac/macboing.c
index 8f0640847ad2..05285d08e547 100644
--- a/arch/m68k/mac/macboing.c
+++ b/arch/m68k/mac/macboing.c
@@ -162,7 +162,7 @@ static void mac_init_asc( void )
 void mac_mksound( unsigned int freq, unsigned int length )
 {
        __u32 cfreq = ( freq << 5 ) / 468;
-        __u32 flags;
+        unsigned long flags;
        int i;
        if ( mac_special_bell == NULL )
@@ -224,7 +224,7 @@ static void mac_nosound( unsigned long ignored )
 */
 static void mac_quadra_start_bell( unsigned int freq, unsigned int length, unsigned int volume )
 {
-        __u32 flags;
+        unsigned long flags;
        /* if the bell is already ringing, ring longer */
        if ( mac_bell_duration > 0 )
@@ -271,7 +271,7 @@ static void mac_quadra_start_bell( unsigned int freq, unsigned int length, unsig
 static void mac_quadra_ring_bell( unsigned long ignored )
 {
        int     i, count = mac_asc_samplespersec / HZ;
-        __u32 flags;
+        unsigned long flags;
        /*
         * we neither want a sound buffer overflow nor underflow, so we need to match
diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S
index b30b3eb197a5..79b1ed198c07 100644
--- a/arch/m68knommu/kernel/syscalltable.S
+++ b/arch/m68knommu/kernel/syscalltable.S
@@ -355,6 +355,9 @@ ENTRY(sys_call_table)
        .long sys_set_thread_area
        .long sys_atomic_cmpxchg_32     /* 335 */
        .long sys_atomic_barrier
+        .long sys_fanotify_init
+        .long sys_fanotify_mark
+        .long sys_prlimit64
        .rept NR_syscalls-(.-sys_call_table)/4
                .long sys_ni_syscall
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 3ad59dde4852..5526faabfc21 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -13,6 +13,7 @@ config MIPS
        select HAVE_KPROBES
        select HAVE_KRETPROBES
        select RTC_LIB if !MACH_LOONGSON
+        select GENERIC_ATOMIC64 if !64BIT
 mainmenu "Linux/MIPS Kernel Configuration"
@@ -1646,8 +1647,16 @@ config MIPS_MT_SMP
        select SYS_SUPPORTS_SMP
        select SMP_UP
        help
-          This is a kernel model which is also known a VSMP or lately
+          This is a kernel model which is known a VSMP but lately has been
-          has been marketesed into SMVP.
+          marketesed into SMVP.
+          Virtual SMP uses the processor's VPEs  to implement virtual
+          processors. In currently available configuration of the 34K processor
+          this allows for a dual processor. Both processors will share the same
+          primary caches; each will obtain the half of the TLB for it's own
+          exclusive use. For a layman this model can be described as similar to
+          what Intel calls Hyperthreading.
+          For further information see http://www.linux-mips.org/wiki/34K#VSMP
 config MIPS_MT_SMTC
        bool "SMTC: Use all TCs on all VPEs for SMP"
@@ -1664,6 +1673,14 @@ config MIPS_MT_SMTC
        help
          This is a kernel model which is known a SMTC or lately has been
          marketesed into SMVP.
+          is presenting the available TC's of the core as processors to Linux.
+          On currently available 34K processors this means a Linux system will
+          see up to 5 processors. The implementation of the SMTC kernel differs
+          significantly from VSMP and cannot efficiently coexist in the same
+          kernel binary so the choice between VSMP and SMTC is a compile time
+          decision.
+          For further information see http://www.linux-mips.org/wiki/34K#SMTC
 endchoice
diff --git a/arch/mips/alchemy/common/prom.c b/arch/mips/alchemy/common/prom.c
index c29511b11d44..534021059629 100644
--- a/arch/mips/alchemy/common/prom.c
+++ b/arch/mips/alchemy/common/prom.c
@@ -43,7 +43,7 @@ int prom_argc;
 char **prom_argv;
 char **prom_envp;
-void prom_init_cmdline(void)
+void __init prom_init_cmdline(void)
 {
        int i;
@@ -104,7 +104,7 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str)
        }
 }
-int prom_get_ethernet_addr(char *ethernet_addr)
+int __init prom_get_ethernet_addr(char *ethernet_addr)
 {
        char *ethaddr_str;
@@ -123,7 +123,6 @@ int prom_get_ethernet_addr(char *ethernet_addr)
        return 0;
 }
-EXPORT_SYMBOL(prom_get_ethernet_addr);
 void __init prom_free_prom_memory(void)
 {
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index ed9bb709c9a3..5fd7f7a58b7e 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -59,7 +59,7 @@ $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
 hostprogs-y := calc_vmlinuz_load_addr
 VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
-                $(objtree)/$(KBUILD_IMAGE) $(VMLINUX_LOAD_ADDRESS))
+                $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
 vmlinuzobjs-y += $(obj)/piggy.o
diff --git a/arch/mips/cavium-octeon/Kconfig b/arch/mips/cavium-octeon/Kconfig
index 094c17e38e16..47323ca452dc 100644
--- a/arch/mips/cavium-octeon/Kconfig
+++ b/arch/mips/cavium-octeon/Kconfig
@@ -83,3 +83,7 @@ config ARCH_SPARSEMEM_ENABLE
        def_bool y
        select SPARSEMEM_STATIC
        depends on CPU_CAVIUM_OCTEON
+config CAVIUM_OCTEON_HELPER
+        def_bool y
+        depends on OCTEON_ETHERNET || PCI
diff --git a/arch/mips/cavium-octeon/cpu.c b/arch/mips/cavium-octeon/cpu.c
index c664c8cc2b42..a5b427909b5c 100644
--- a/arch/mips/cavium-octeon/cpu.c
+++ b/arch/mips/cavium-octeon/cpu.c
@@ -41,7 +41,7 @@ static int cnmips_cu2_call(struct notifier_block *nfb, unsigned long action,
        return NOTIFY_OK;               /* Let default notifier send signals */
 }
-static int cnmips_cu2_setup(void)
+static int __init cnmips_cu2_setup(void)
 {
        return cu2_notifier(cnmips_cu2_call, 0);
 }
diff --git a/arch/mips/cavium-octeon/executive/Makefile b/arch/mips/cavium-octeon/executive/Makefile
index 2fd66db6939e..7f41c5be2190 100644
--- a/arch/mips/cavium-octeon/executive/Makefile
+++ b/arch/mips/cavium-octeon/executive/Makefile
@@ -11,4 +11,4 @@
 obj-y += cvmx-bootmem.o cvmx-l2c.o cvmx-sysinfo.o octeon-model.o
-obj-$(CONFIG_PCI) += cvmx-helper-errata.o cvmx-helper-jtag.o
+obj-$(CONFIG_CAVIUM_OCTEON_HELPER) += cvmx-helper-errata.o cvmx-helper-jtag.o
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index c63c56bfd184..47d87da379f9 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -782,6 +782,10 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
 */
 #define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)
+#else /* !CONFIG_64BIT */
+#include <asm-generic/atomic64.h>
 #endif /* CONFIG_64BIT */
 /*
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index 613f6912dfc1..dbc51065df5b 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -145,7 +145,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
        return (u32)(unsigned long)uptr;
 }
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
        struct pt_regs *regs = (struct pt_regs *)
                ((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
diff --git a/arch/mips/include/asm/cop2.h b/arch/mips/include/asm/cop2.h
index 2cb2f0c2c4f8..3532e2c5f098 100644
--- a/arch/mips/include/asm/cop2.h
+++ b/arch/mips/include/asm/cop2.h
@@ -24,7 +24,7 @@ extern int cu2_notifier_call_chain(unsigned long val, void *v);
 #define cu2_notifier(fn, pri)                                           \
 ({                                                                      \
-        static struct notifier_block fn##_nb __cpuinitdata = {          \
+        static struct notifier_block fn##_nb = {                        \
                .notifier_call = fn,                                    \
                .priority = pri                                         \
        };                                                              \
diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h
index 9b9436a4d816..86548da650e7 100644
--- a/arch/mips/include/asm/gic.h
+++ b/arch/mips/include/asm/gic.h
@@ -321,6 +321,7 @@ struct gic_intrmask_regs {
 */
 struct gic_intr_map {
        unsigned int cpunum;    /* Directed to this CPU */
+#define GIC_UNUSED              0xdead                  /* Dummy data */
        unsigned int pin;       /* Directed to this Pin */
        unsigned int polarity;  /* Polarity : +/-       */
        unsigned int trigtype;  /* Trigger  : Edge/Levl */
diff --git a/arch/mips/include/asm/mach-tx49xx/kmalloc.h b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
index b74caf65482b..ff9a8b86cb93 100644
--- a/arch/mips/include/asm/mach-tx49xx/kmalloc.h
+++ b/arch/mips/include/asm/mach-tx49xx/kmalloc.h
@@ -1,6 +1,6 @@
 #ifndef __ASM_MACH_TX49XX_KMALLOC_H
 #define __ASM_MACH_TX49XX_KMALLOC_H
-#define ARCH_KMALLOC_MINALIGN   L1_CACHE_BYTES
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
 #endif /* __ASM_MACH_TX49XX_KMALLOC_H */
diff --git a/arch/mips/include/asm/mips-boards/maltaint.h b/arch/mips/include/asm/mips-boards/maltaint.h
index cea872fc6f5c..d11aa02a956a 100644
--- a/arch/mips/include/asm/mips-boards/maltaint.h
+++ b/arch/mips/include/asm/mips-boards/maltaint.h
@@ -88,9 +88,6 @@
 #define GIC_EXT_INTR(x)         x
-/* Dummy data */
-#define X                       0xdead
 /* External Interrupts used for IPI */
 #define GIC_IPI_EXT_INTR_RESCHED_VPE0   16
 #define GIC_IPI_EXT_INTR_CALLFNC_VPE0   17
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index a16beafcea91..e59cd1ac09c2 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -150,6 +150,20 @@ typedef struct { unsigned long pgprot; } pgprot_t;
    ((unsigned long)(x) - PAGE_OFFSET + PHYS_OFFSET)
 #endif
 #define __va(x)         ((void *)((unsigned long)(x) + PAGE_OFFSET - PHYS_OFFSET))
+/*
+ * RELOC_HIDE was originally added by 6007b903dfe5f1d13e0c711ac2894bdd4a61b1ad
+ * (lmo) rsp. 8431fd094d625b94d364fe393076ccef88e6ce18 (kernel.org).  The
+ * discussion can be found in lkml posting
+ * <a2ebde260608230500o3407b108hc03debb9da6e62c@mail.gmail.com> which is
+ * archived at http://lists.linuxcoding.com/kernel/2006-q3/msg17360.html
+ *
+ * It is unclear if the misscompilations mentioned in
+ * http://lkml.org/lkml/2010/8/8/138 also affect MIPS so we keep this one
+ * until GCC 3.x has been retired before we can apply
+ * https://patchwork.linux-mips.org/patch/1541/
+ */
 #define __pa_symbol(x)  __pa(RELOC_HIDE((unsigned long)(x), 0))
 #define pfn_to_kaddr(pfn)       __va((pfn) << PAGE_SHIFT)
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 2376f2e06e47..70df9c0d3c5b 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -146,7 +146,8 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define _TIF_LOAD_WATCH         (1<<TIF_LOAD_WATCH)
 /* work to do on interrupt/exception return */
-#define _TIF_WORK_MASK          (0x0000ffef & ~_TIF_SECCOMP)
+#define _TIF_WORK_MASK          (0x0000ffef &                           \
+                                        ~(_TIF_SECCOMP | _TIF_SYSCALL_AUDIT))
 /* work to do on any return to u-space */
 #define _TIF_ALLWORK_MASK       (0x8000ffff & ~_TIF_SECCOMP)
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index baa318a59c97..550725b881d5 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -356,16 +356,19 @@
 #define __NR_perf_event_open            (__NR_Linux + 333)
 #define __NR_accept4                    (__NR_Linux + 334)
 #define __NR_recvmmsg                   (__NR_Linux + 335)
+#define __NR_fanotify_init              (__NR_Linux + 336)
+#define __NR_fanotify_mark              (__NR_Linux + 337)
+#define __NR_prlimit64                  (__NR_Linux + 338)
 /*
 * Offset of the last Linux o32 flavoured syscall
 */
-#define __NR_Linux_syscalls             335
+#define __NR_Linux_syscalls             338
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
 #define __NR_O32_Linux                  4000
-#define __NR_O32_Linux_syscalls         335
+#define __NR_O32_Linux_syscalls         338
 #if _MIPS_SIM == _MIPS_SIM_ABI64
@@ -668,16 +671,19 @@
 #define __NR_perf_event_open            (__NR_Linux + 292)
 #define __NR_accept4                    (__NR_Linux + 293)
 #define __NR_recvmmsg                   (__NR_Linux + 294)
+#define __NR_fanotify_init              (__NR_Linux + 295)
+#define __NR_fanotify_mark              (__NR_Linux + 296)
+#define __NR_prlimit64                  (__NR_Linux + 297)
 /*
 * Offset of the last Linux 64-bit flavoured syscall
 */
-#define __NR_Linux_syscalls             294
+#define __NR_Linux_syscalls             297
 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
 #define __NR_64_Linux                   5000
-#define __NR_64_Linux_syscalls          294
+#define __NR_64_Linux_syscalls          297
 #if _MIPS_SIM == _MIPS_SIM_NABI32
@@ -985,16 +991,19 @@
 #define __NR_accept4                    (__NR_Linux + 297)
 #define __NR_recvmmsg                   (__NR_Linux + 298)
 #define __NR_getdents64                 (__NR_Linux + 299)
+#define __NR_fanotify_init              (__NR_Linux + 300)
+#define __NR_fanotify_mark              (__NR_Linux + 301)
+#define __NR_prlimit64                  (__NR_Linux + 302)
 /*
 * Offset of the last N32 flavoured syscall
 */
-#define __NR_Linux_syscalls             299
+#define __NR_Linux_syscalls             302
 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
 #define __NR_N32_Linux                  6000
-#define __NR_N32_Linux_syscalls         299
+#define __NR_N32_Linux_syscalls         302
 #ifdef __KERNEL__
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index b181f2f0ea8e..82ba9f62f49e 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -7,7 +7,6 @@
 #include <asm/io.h>
 #include <asm/gic.h>
 #include <asm/gcmpregs.h>
-#include <asm/mips-boards/maltaint.h>
 #include <asm/irq.h>
 #include <linux/hardirq.h>
 #include <asm-generic/bitops/find.h>
@@ -131,7 +130,7 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
        int             i;
        irq -= _irqbase;
-        pr_debug(KERN_DEBUG "%s(%d) called\n", __func__, irq);
+        pr_debug("%s(%d) called\n", __func__, irq);
        cpumask_and(&tmp, cpumask, cpu_online_mask);
        if (cpus_empty(tmp))
                return -1;
@@ -222,7 +221,7 @@ static void __init gic_basic_init(int numintrs, int numvpes,
        /* Setup specifics */
        for (i = 0; i < mapsize; i++) {
                cpu = intrmap[i].cpunum;
-                if (cpu == X)
+                if (cpu == GIC_UNUSED)
                        continue;
                if (cpu == 0 && i != 0 && intrmap[i].flags == 0)
                        continue;
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index 1f4e2fa64140..f4546e97c60d 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -283,7 +283,7 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd,
        struct pt_regs *regs = args->regs;
        int trap = (regs->cp0_cause & 0x7c) >> 2;
-        /* Userpace events, ignore. */
+        /* Userspace events, ignore. */
        if (user_mode(regs))
                return NOTIFY_DONE;
diff --git a/arch/mips/kernel/kspd.c b/arch/mips/kernel/kspd.c
index 80e2ba694bab..29811f043399 100644
--- a/arch/mips/kernel/kspd.c
+++ b/arch/mips/kernel/kspd.c
@@ -251,7 +251,7 @@ void sp_work_handle_request(void)
                memset(&tz, 0, sizeof(tz));
                if ((ret.retval = sp_syscall(__NR_gettimeofday, (int)&tv,
                                             (int)&tz, 0, 0)) == 0)
-                ret.retval = tv.tv_sec;
+                        ret.retval = tv.tv_sec;
                break;
        case MTSP_SYSCALL_EXIT:
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index c2dab140dc98..6343b4a5b835 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -341,3 +341,10 @@ asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf,
 {
        return sys_lookup_dcookie(merge_64(a0, a1), buf, len);
 }
+SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags,
+                u64, a3, u64, a4, int, dfd, const char  __user *, pathname)
+{
+        return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4),
+                                 dfd, pathname);
+}
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 17202bbe843f..584415eef8c9 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -583,7 +583,10 @@ einval:	li	v0, -ENOSYS
        sys     sys_rt_tgsigqueueinfo   4
        sys     sys_perf_event_open     5
        sys     sys_accept4             4
-        sys     sys_recvmmsg            5
+        sys     sys_recvmmsg            5       /* 4335 */
+        sys     sys_fanotify_init       2
+        sys     sys_fanotify_mark       6
+        sys     sys_prlimit64           4
        .endm
        /* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index a8a6c596eb04..5573f8e4e326 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -416,9 +416,12 @@ sys_call_table:
        PTR     sys_pipe2
        PTR     sys_inotify_init1
        PTR     sys_preadv
-        PTR     sys_pwritev                     /* 5390 */
+        PTR     sys_pwritev                     /* 5290 */
        PTR     sys_rt_tgsigqueueinfo
        PTR     sys_perf_event_open
        PTR     sys_accept4
-        PTR     sys_recvmmsg
+        PTR     sys_recvmmsg
+        PTR     sys_fanotify_init               /* 5295 */
+        PTR     sys_fanotify_mark
+        PTR     sys_prlimit64
        .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index a3d66137731a..1e38ec97672e 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -419,5 +419,8 @@ EXPORT(sysn32_call_table)
        PTR     sys_perf_event_open
        PTR     sys_accept4
        PTR     compat_sys_recvmmsg
-        PTR     sys_getdents
+        PTR     sys_getdents64
+        PTR     sys_fanotify_init               /* 6300 */
+        PTR     sys_fanotify_mark
+        PTR     sys_prlimit64
        .size   sysn32_call_table,.-sysn32_call_table
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 813689ef2384..171979fc98e5 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -538,5 +538,8 @@ sys_call_table:
        PTR     compat_sys_rt_tgsigqueueinfo
        PTR     sys_perf_event_open
        PTR     sys_accept4
-        PTR     compat_sys_recvmmsg
+        PTR     compat_sys_recvmmsg             /* 4335 */
+        PTR     sys_fanotify_init
+        PTR     sys_32_fanotify_mark
+        PTR     sys_prlimit64
        .size   sys_call_table,.-sys_call_table
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 7ba890860d98..469d4019f795 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -44,27 +44,39 @@ static inline int cpu_is_noncoherent_r10000(struct device *dev)
 static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp)
 {
+        gfp_t dma_flag;
        /* ignore region specifiers */
        gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
-#ifdef CONFIG_ZONE_DMA
+#ifdef CONFIG_ISA
        if (dev == NULL)
-                gfp |= __GFP_DMA;
+                dma_flag = __GFP_DMA;
-        else if (dev->coherent_dma_mask < DMA_BIT_MASK(24))
-                gfp |= __GFP_DMA;
        else
 #endif
-#ifdef CONFIG_ZONE_DMA32
+#if defined(CONFIG_ZONE_DMA32) && defined(CONFIG_ZONE_DMA)
             if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
-                gfp |= __GFP_DMA32;
+                        dma_flag = __GFP_DMA;
+        else if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+                        dma_flag = __GFP_DMA32;
+        else
+#endif
+#if defined(CONFIG_ZONE_DMA32) && !defined(CONFIG_ZONE_DMA)
+             if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+                dma_flag = __GFP_DMA32;
+        else
+#endif
+#if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32)
+             if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+                dma_flag = __GFP_DMA;
        else
 #endif
-                ;
+                dma_flag = 0;
        /* Don't invoke OOM killer */
        gfp |= __GFP_NORETRY;
-        return gfp;
+        return gfp | dma_flag;
 }
 void *dma_alloc_noncoherent(struct device *dev, size_t size,
diff --git a/arch/mips/mm/sc-rm7k.c b/arch/mips/mm/sc-rm7k.c
index 1ef75cd80a0d..274af3be1442 100644
--- a/arch/mips/mm/sc-rm7k.c
+++ b/arch/mips/mm/sc-rm7k.c
@@ -30,7 +30,7 @@
 #define tc_lsize        32
 extern unsigned long icache_way_size, dcache_way_size;
-unsigned long tcache_size;
+static unsigned long tcache_size;
 #include <asm/r4kcache.h>
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 15949b0be811..b79b24afe3a2 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -385,6 +385,8 @@ static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
 */
 #define GIC_CPU_NMI GIC_MAP_TO_NMI_MSK
+#define X GIC_UNUSED
 static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
        { X, X,            X,           X,              0 },
        { X, X,            X,           X,              0 },
@@ -404,6 +406,7 @@ static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = {
        { X, X,            X,           X,              0 },
        /* The remainder of this table is initialised by fill_ipi_map */
 };
+#undef X
 /*
 * GCMP needs to be detected before any SMP initialisation
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index 71f7d27b0d4c..f31218e17d3c 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -118,7 +118,7 @@ static int __init rc32434_pcibridge_init(void)
        if (!((pcicvalue == PCIM_H_EA) ||
              (pcicvalue == PCIM_H_IA_FIX) ||
              (pcicvalue == PCIM_H_IA_RR))) {
-                pr_err(KERN_ERR "PCI init error!!!\n");
+                pr_err("PCI init error!!!\n");
                /* Not in Host Mode, return ERROR */
                return -1;
        }
diff --git a/arch/mips/pnx8550/common/reset.c b/arch/mips/pnx8550/common/reset.c
index fadd8744a6bc..e7a12ff304b9 100644
--- a/arch/mips/pnx8550/common/reset.c
+++ b/arch/mips/pnx8550/common/reset.c
@@ -22,29 +22,19 @@
 */
 #include <linux/kernel.h>
+#include <asm/processor.h>
 #include <asm/reboot.h>
 #include <glb.h>
 void pnx8550_machine_restart(char *command)
 {
-        char head[] = "************* Machine restart *************";
-        char foot[] = "*******************************************";
-        printk("\n\n");
-        printk("%s\n", head);
-        if (command != NULL)
-                printk("* %s\n", command);
-        printk("%s\n", foot);
        PNX8550_RST_CTL = PNX8550_RST_DO_SW_RST;
 }
 void pnx8550_machine_halt(void)
 {
-        printk("*** Machine halt. (Not implemented) ***\n");
+        while (1) {
-}
+                if (cpu_wait)
+                        cpu_wait();
-void pnx8550_machine_power_off(void)
+        }
-{
-        printk("*** Machine power off.  (Not implemented) ***\n");
 }
diff --git a/arch/mips/pnx8550/common/setup.c b/arch/mips/pnx8550/common/setup.c
index 64246c9c875c..43cb3945fdbf 100644
--- a/arch/mips/pnx8550/common/setup.c
+++ b/arch/mips/pnx8550/common/setup.c
@@ -44,7 +44,6 @@
 extern void __init board_setup(void);
 extern void pnx8550_machine_restart(char *);
 extern void pnx8550_machine_halt(void);
-extern void pnx8550_machine_power_off(void);
 extern struct resource ioport_resource;
 extern struct resource iomem_resource;
 extern char *prom_getcmdline(void);
@@ -100,7 +99,7 @@ void __init plat_mem_setup(void)
        _machine_restart = pnx8550_machine_restart;
        _machine_halt = pnx8550_machine_halt;
-        pm_power_off = pnx8550_machine_power_off;
+        pm_power_off = pnx8550_machine_halt;
        /* Clear the Global 2 Register, PCI Inta Output Enable Registers
           Bit 1:Enable DAC Powerdown
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index 444b9f918fdf..7c2a2f7f8dc1 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -8,7 +8,6 @@ mainmenu "Linux Kernel Configuration"
 config MN10300
        def_bool y
        select HAVE_OPROFILE
-        select HAVE_ARCH_TRACEHOOK
 config AM33
        def_bool y
diff --git a/arch/mn10300/Kconfig.debug b/arch/mn10300/Kconfig.debug
index ff80e86b9bd2..ce83c74b3fd7 100644
--- a/arch/mn10300/Kconfig.debug
+++ b/arch/mn10300/Kconfig.debug
@@ -101,7 +101,7 @@ config GDBSTUB_DEBUG_BREAKPOINT
 choice
        prompt "GDB stub port"
-        default GDBSTUB_TTYSM0
+        default GDBSTUB_ON_TTYSM0
        depends on GDBSTUB
        help
          Select the serial port used for GDB-stub.
diff --git a/arch/mn10300/include/asm/bitops.h b/arch/mn10300/include/asm/bitops.h
index f49ac49e09ad..3f50e9661076 100644
--- a/arch/mn10300/include/asm/bitops.h
+++ b/arch/mn10300/include/asm/bitops.h
@@ -229,9 +229,9 @@ int ffs(int x)
 #include <asm-generic/bitops/hweight.h>
 #define ext2_set_bit_atomic(lock, nr, addr) \
-        test_and_set_bit((nr) ^ 0x18, (addr))
+        test_and_set_bit((nr), (addr))
 #define ext2_clear_bit_atomic(lock, nr, addr) \
-        test_and_clear_bit((nr) ^ 0x18, (addr))
+        test_and_clear_bit((nr), (addr))
 #include <asm-generic/bitops/ext2-non-atomic.h>
 #include <asm-generic/bitops/minix-le.h>
diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h
index 7e891fce2370..1865d72a86ff 100644
--- a/arch/mn10300/include/asm/signal.h
+++ b/arch/mn10300/include/asm/signal.h
@@ -78,7 +78,7 @@ typedef unsigned long sigset_t;
 /* These should not be considered constants from userland.  */
 #define SIGRTMIN        32
-#define SIGRTMAX        (_NSIG-1)
+#define SIGRTMAX        _NSIG
 /*
 * SA_FLAGS values:
diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c
index 9d49073e827a..db509dd80565 100644
--- a/arch/mn10300/kernel/mn10300-serial.c
+++ b/arch/mn10300/kernel/mn10300-serial.c
@@ -156,17 +156,17 @@ struct mn10300_serial_port mn10300_serial_port_sif0 = {
        ._intr          = &SC0ICR,
        ._rxb           = &SC0RXB,
        ._txb           = &SC0TXB,
-        .rx_name        = "ttySM0/Rx",
+        .rx_name        = "ttySM0:Rx",
-        .tx_name        = "ttySM0/Tx",
+        .tx_name        = "ttySM0:Tx",
 #ifdef CONFIG_MN10300_TTYSM0_TIMER8
-        .tm_name        = "ttySM0/Timer8",
+        .tm_name        = "ttySM0:Timer8",
        ._tmxmd         = &TM8MD,
        ._tmxbr         = &TM8BR,
        ._tmicr         = &TM8ICR,
        .tm_irq         = TM8IRQ,
        .div_timer      = MNSCx_DIV_TIMER_16BIT,
 #else /* CONFIG_MN10300_TTYSM0_TIMER2 */
-        .tm_name        = "ttySM0/Timer2",
+        .tm_name        = "ttySM0:Timer2",
        ._tmxmd         = &TM2MD,
        ._tmxbr         = (volatile u16 *) &TM2BR,
        ._tmicr         = &TM2ICR,
@@ -209,17 +209,17 @@ struct mn10300_serial_port mn10300_serial_port_sif1 = {
        ._intr          = &SC1ICR,
        ._rxb           = &SC1RXB,
        ._txb           = &SC1TXB,
-        .rx_name        = "ttySM1/Rx",
+        .rx_name        = "ttySM1:Rx",
-        .tx_name        = "ttySM1/Tx",
+        .tx_name        = "ttySM1:Tx",
 #ifdef CONFIG_MN10300_TTYSM1_TIMER9
-        .tm_name        = "ttySM1/Timer9",
+        .tm_name        = "ttySM1:Timer9",
        ._tmxmd         = &TM9MD,
        ._tmxbr         = &TM9BR,
        ._tmicr         = &TM9ICR,
        .tm_irq         = TM9IRQ,
        .div_timer      = MNSCx_DIV_TIMER_16BIT,
 #else /* CONFIG_MN10300_TTYSM1_TIMER3 */
-        .tm_name        = "ttySM1/Timer3",
+        .tm_name        = "ttySM1:Timer3",
        ._tmxmd         = &TM3MD,
        ._tmxbr         = (volatile u16 *) &TM3BR,
        ._tmicr         = &TM3ICR,
@@ -260,9 +260,9 @@ struct mn10300_serial_port mn10300_serial_port_sif2 = {
        .uart.lock      =
        __SPIN_LOCK_UNLOCKED(mn10300_serial_port_sif2.uart.lock),
        .name           = "ttySM2",
-        .rx_name        = "ttySM2/Rx",
+        .rx_name        = "ttySM2:Rx",
-        .tx_name        = "ttySM2/Tx",
+        .tx_name        = "ttySM2:Tx",
-        .tm_name        = "ttySM2/Timer10",
+        .tm_name        = "ttySM2:Timer10",
        ._iobase        = &SC2CTR,
        ._control       = &SC2CTR,
        ._status        = &SC2STR,
diff --git a/arch/mn10300/kernel/module.c b/arch/mn10300/kernel/module.c
index 6aea7fd76993..196a111e2e29 100644
--- a/arch/mn10300/kernel/module.c
+++ b/arch/mn10300/kernel/module.c
@@ -206,7 +206,7 @@ int module_finalize(const Elf_Ehdr *hdr,
                    const Elf_Shdr *sechdrs,
                    struct module *me)
 {
-        return module_bug_finalize(hdr, sechdrs, me);
+        return 0;
 }
 /*
@@ -214,5 +214,4 @@ int module_finalize(const Elf_Ehdr *hdr,
 */
 void module_arch_cleanup(struct module *mod)
 {
-        module_bug_cleanup(mod);
 }
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 717db14c2cc3..d4de05ab7864 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -65,10 +65,10 @@ asmlinkage long sys_sigaction(int sig,
                old_sigset_t mask;
                if (verify_area(VERIFY_READ, act, sizeof(*act)) ||
                    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-                    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer))
+                    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
+                    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
+                    __get_user(mask, &act->sa_mask))
                        return -EFAULT;
-                __get_user(new_ka.sa.sa_flags, &act->sa_flags);
-                __get_user(mask, &act->sa_mask);
                siginitset(&new_ka.sa.sa_mask, mask);
        }
@@ -77,10 +77,10 @@ asmlinkage long sys_sigaction(int sig,
        if (!ret && oact) {
                if (verify_area(VERIFY_WRITE, oact, sizeof(*oact)) ||
                    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-                    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer))
+                    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
+                    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
+                    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
                        return -EFAULT;
-                __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
-                __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask);
        }
        return ret;
@@ -102,6 +102,9 @@ static int restore_sigcontext(struct pt_regs *regs,
 {
        unsigned int err = 0;
+        /* Always make any pending restarted system calls return -EINTR */
+        current_thread_info()->restart_block.fn = do_no_restart_syscall;
        if (is_using_fpu(current))
                fpu_kill_state(current);
@@ -330,8 +333,6 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
        regs->d0 = sig;
        regs->d1 = (unsigned long) &frame->sc;
-        set_fs(USER_DS);
        /* the tracer may want to single-step inside the handler */
        if (test_thread_flag(TIF_SINGLESTEP))
                ptrace_notify(SIGTRAP);
@@ -345,7 +346,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
        return 0;
 give_sigsegv:
-        force_sig(SIGSEGV, current);
+        force_sigsegv(sig, current);
        return -EFAULT;
 }
@@ -413,8 +414,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        regs->d0 = sig;
        regs->d1 = (long) &frame->info;
-        set_fs(USER_DS);
        /* the tracer may want to single-step inside the handler */
        if (test_thread_flag(TIF_SINGLESTEP))
                ptrace_notify(SIGTRAP);
@@ -428,10 +427,16 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
        return 0;
 give_sigsegv:
-        force_sig(SIGSEGV, current);
+        force_sigsegv(sig, current);
        return -EFAULT;
 }
+static inline void stepback(struct pt_regs *regs)
+{
+        regs->pc -= 2;
+        regs->orig_d0 = -1;
+}
 /*
 * handle the actual delivery of a signal to userspace
 */
@@ -459,7 +464,7 @@ static int handle_signal(int sig,
                        /* fallthrough */
                case -ERESTARTNOINTR:
                        regs->d0 = regs->orig_d0;
-                        regs->pc -= 2;
+                        stepback(regs);
                }
        }
@@ -527,12 +532,12 @@ static void do_signal(struct pt_regs *regs)
                case -ERESTARTSYS:
                case -ERESTARTNOINTR:
                        regs->d0 = regs->orig_d0;
-                        regs->pc -= 2;
+                        stepback(regs);
                        break;
                case -ERESTART_RESTARTBLOCK:
                        regs->d0 = __NR_restart_syscall;
-                        regs->pc -= 2;
+                        stepback(regs);
                        break;
                }
        }
diff --git a/arch/mn10300/mm/Makefile b/arch/mn10300/mm/Makefile
index 28b9d983db0c..1557277fbc5c 100644
--- a/arch/mn10300/mm/Makefile
+++ b/arch/mn10300/mm/Makefile
@@ -2,13 +2,11 @@
 # Makefile for the MN10300-specific memory management code
 #
+cacheflush-y    := cache.o cache-mn10300.o
+cacheflush-$(CONFIG_MN10300_CACHE_WBACK) += cache-flush-mn10300.o
+cacheflush-$(CONFIG_MN10300_CACHE_DISABLED) := cache-disabled.o
 obj-y := \
        init.o fault.o pgtable.o extable.o tlb-mn10300.o mmu-context.o \
-        misalignment.o dma-alloc.o
+        misalignment.o dma-alloc.o $(cacheflush-y)
-ifneq ($(CONFIG_MN10300_CACHE_DISABLED),y)
-obj-y   += cache.o cache-mn10300.o
-ifeq ($(CONFIG_MN10300_CACHE_WBACK),y)
-obj-y   += cache-flush-mn10300.o
-endif
-endif
diff --git a/arch/mn10300/mm/cache-disabled.c b/arch/mn10300/mm/cache-disabled.c
new file mode 100644
index 000000000000..f669ea42aba6
--- /dev/null
+++ b/arch/mn10300/mm/cache-disabled.c
@@ -0,0 +1,21 @@
+/* Handle the cache being disabled
+ *
+ * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+#include <linux/mm.h>
+/*
+ * allow userspace to flush the instruction cache
+ */
+asmlinkage long sys_cacheflush(unsigned long start, unsigned long end)
+{
+        if (end < start)
+                return -EINVAL;
+        return 0;
+}
diff --git a/arch/mn10300/mm/cache.c b/arch/mn10300/mm/cache.c
index 1b76719ec1c3..9261217e8d2c 100644
--- a/arch/mn10300/mm/cache.c
+++ b/arch/mn10300/mm/cache.c
@@ -54,13 +54,30 @@ EXPORT_SYMBOL(flush_icache_page);
 void flush_icache_range(unsigned long start, unsigned long end)
 {
 #ifdef CONFIG_MN10300_CACHE_WBACK
-        unsigned long addr, size, off;
+        unsigned long addr, size, base, off;
        struct page *page;
        pgd_t *pgd;
        pud_t *pud;
        pmd_t *pmd;
        pte_t *ppte, pte;
+        if (end > 0x80000000UL) {
+                /* addresses above 0xa0000000 do not go through the cache */
+                if (end > 0xa0000000UL) {
+                        end = 0xa0000000UL;
+                        if (start >= end)
+                                return;
+                }
+                /* kernel addresses between 0x80000000 and 0x9fffffff do not
+                 * require page tables, so we just map such addresses directly */
+                base = (start >= 0x80000000UL) ? start : 0x80000000UL;
+                mn10300_dcache_flush_range(base, end);
+                if (base == start)
+                        goto invalidate;
+                end = base;
+        }
        for (; start < end; start += size) {
                /* work out how much of the page to flush */
                off = start & (PAGE_SIZE - 1);
@@ -104,6 +121,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
        }
 #endif
+invalidate:
        mn10300_icache_inv();
 }
 EXPORT_SYMBOL(flush_icache_range);
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 02b77baa5da6..efa0b60c63fe 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -147,7 +147,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
        return (u32)(unsigned long)uptr;
 }
-static __inline__ void __user *compat_alloc_user_space(long len)
+static __inline__ void __user *arch_compat_alloc_user_space(long len)
 {
        struct pt_regs *regs = &current->thread.regs;
        return (void __user *)regs->gr[30];
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index 159a2b81e90c..6e81bb596e5b 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -941,11 +941,10 @@ int module_finalize(const Elf_Ehdr *hdr,
        nsyms = newptr - (Elf_Sym *)symhdr->sh_addr;
        DEBUGP("NEW num_symtab %lu\n", nsyms);
        symhdr->sh_size = nsyms * sizeof(Elf_Sym);
-        return module_bug_finalize(hdr, sechdrs, me);
+        return 0;
 }
 void module_arch_cleanup(struct module *mod)
 {
        deregister_unwind_table(mod);
-        module_bug_cleanup(mod);
 }
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 396d21a80058..a11d4eac4f97 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -134,7 +134,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
        return (u32)(unsigned long)uptr;
 }
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
        struct pt_regs *regs = current->thread.regs;
        unsigned long usp = regs->gpr[1];
diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c
index 477c663e0140..49cee9df225b 100644
--- a/arch/powerpc/kernel/module.c
+++ b/arch/powerpc/kernel/module.c
@@ -63,11 +63,6 @@ int module_finalize(const Elf_Ehdr *hdr,
                const Elf_Shdr *sechdrs, struct module *me)
 {
        const Elf_Shdr *sect;
-        int err;
-        err = module_bug_finalize(hdr, sechdrs, me);
-        if (err)
-                return err;
        /* Apply feature fixups */
        sect = find_section(hdr, sechdrs, "__ftr_fixup");
@@ -101,5 +96,4 @@ int module_finalize(const Elf_Ehdr *hdr,
 void module_arch_cleanup(struct module *mod)
 {
-        module_bug_cleanup(mod);
 }
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index 7109f5b1baa8..2300426e531a 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -138,6 +138,7 @@ static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
                        ti->local_flags &= ~_TLF_RESTORE_SIGMASK;
                        sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
                }
+                regs->trap = 0;
                return 0;               /* no signals delivered */
        }
@@ -164,6 +165,7 @@ static int do_signal_pending(sigset_t *oldset, struct pt_regs *regs)
                ret = handle_rt_signal64(signr, &ka, &info, oldset, regs);
        }
+        regs->trap = 0;
        if (ret) {
                spin_lock_irq(&current->sighand->siglock);
                sigorsets(&current->blocked, &current->blocked,
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 266610119f66..b96a3a010c26 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -511,6 +511,7 @@ static long restore_user_regs(struct pt_regs *regs,
        if (!sig)
                save_r2 = (unsigned int)regs->gpr[2];
        err = restore_general_regs(regs, sr);
+        regs->trap = 0;
        err |= __get_user(msr, &sr->mc_gregs[PT_MSR]);
        if (!sig)
                regs->gpr[2] = (unsigned long) save_r2;
@@ -884,7 +885,6 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka,
        regs->nip = (unsigned long) ka->sa.sa_handler;
        /* enter the signal handler in big-endian mode */
        regs->msr &= ~MSR_LE;
-        regs->trap = 0;
        return 1;
 badframe:
@@ -1228,7 +1228,6 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka,
        regs->nip = (unsigned long) ka->sa.sa_handler;
        /* enter the signal handler in big-endian mode */
        regs->msr &= ~MSR_LE;
-        regs->trap = 0;
        return 1;
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 2fe6fc64b614..27c4a4584f80 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -178,7 +178,7 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
        err |= __get_user(regs->xer, &sc->gp_regs[PT_XER]);
        err |= __get_user(regs->ccr, &sc->gp_regs[PT_CCR]);
        /* skip SOFTE */
-        err |= __get_user(regs->trap, &sc->gp_regs[PT_TRAP]);
+        regs->trap = 0;
        err |= __get_user(regs->dar, &sc->gp_regs[PT_DAR]);
        err |= __get_user(regs->dsisr, &sc->gp_regs[PT_DSISR]);
        err |= __get_user(regs->result, &sc->gp_regs[PT_RESULT]);
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 5b243bd3eb3b..3dc2a8d262b8 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -57,7 +57,7 @@ static struct clk *mpc5121_clk_get(struct device *dev, const char *id)
        int id_match = 0;
        if (dev == NULL || id == NULL)
-                return NULL;
+                return clk;
        mutex_lock(&clocks_mutex);
        list_for_each_entry(p, &clocks, node) {
diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c
index 45c0cb9b67e6..18c104820198 100644
--- a/arch/powerpc/platforms/52xx/efika.c
+++ b/arch/powerpc/platforms/52xx/efika.c
@@ -99,7 +99,7 @@ static void __init efika_pcisetup(void)
        if (bus_range == NULL || len < 2 * sizeof(int)) {
                printk(KERN_WARNING EFIKA_PLATFORM_NAME
                       ": Can't get bus-range for %s\n", pcictrl->full_name);
-                return;
+                goto out_put;
        }
        if (bus_range[1] == bus_range[0])
@@ -111,12 +111,12 @@ static void __init efika_pcisetup(void)
        printk(" controlled by %s\n", pcictrl->full_name);
        printk("\n");
-        hose = pcibios_alloc_controller(of_node_get(pcictrl));
+        hose = pcibios_alloc_controller(pcictrl);
        if (!hose) {
                printk(KERN_WARNING EFIKA_PLATFORM_NAME
                       ": Can't allocate PCI controller structure for %s\n",
                       pcictrl->full_name);
-                return;
+                goto out_put;
        }
        hose->first_busno = bus_range[0];
@@ -124,6 +124,9 @@ static void __init efika_pcisetup(void)
        hose->ops = &rtas_pci_ops;
        pci_process_bridge_OF_ranges(hose, pcictrl, 0);
+        return;
+out_put:
+        of_node_put(pcictrl);
 }
 #else
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
index 6e905314ad5d..41f3a7eda1de 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -325,12 +325,16 @@ int mpc5200_psc_ac97_gpio_reset(int psc_number)
        clrbits32(&simple_gpio->simple_dvo, sync | out);
        clrbits8(&wkup_gpio->wkup_dvo, reset);
-        /* wait at lease 1 us */
+        /* wait for 1 us */
-        udelay(2);
+        udelay(1);
        /* Deassert reset */
        setbits8(&wkup_gpio->wkup_dvo, reset);
+        /* wait at least 200ns */
+        /* 7 ~= (200ns * timebase) / ns2sec */
+        __delay(7);
        /* Restore pin-muxing */
        out_be32(&simple_gpio->port_config, mux);
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 104f2007f097..a875c2f542e1 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -181,7 +181,7 @@ static inline int is_compat_task(void)
 #endif
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
        unsigned long stack;
diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c
index 22cfd634c355..f7167ee4604c 100644
--- a/arch/s390/kernel/module.c
+++ b/arch/s390/kernel/module.c
@@ -407,10 +407,9 @@ int module_finalize(const Elf_Ehdr *hdr,
 {
        vfree(me->arch.syminfo);
        me->arch.syminfo = NULL;
-        return module_bug_finalize(hdr, sechdrs, me);
+        return 0;
 }
 void module_arch_cleanup(struct module *mod)
 {
-        module_bug_cleanup(mod);
 }
diff --git a/arch/sh/kernel/module.c b/arch/sh/kernel/module.c
index 43adddfe4c04..ae0be697a89e 100644
--- a/arch/sh/kernel/module.c
+++ b/arch/sh/kernel/module.c
@@ -149,13 +149,11 @@ int module_finalize(const Elf_Ehdr *hdr,
        int ret = 0;
        ret |= module_dwarf_finalize(hdr, sechdrs, me);
-        ret |= module_bug_finalize(hdr, sechdrs, me);
        return ret;
 }
 void module_arch_cleanup(struct module *mod)
 {
-        module_bug_cleanup(mod);
        module_dwarf_cleanup(mod);
 }
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index 5016f76ea98a..6f57325bb883 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -167,7 +167,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
        return (u32)(unsigned long)uptr;
 }
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
        struct pt_regs *regs = current_thread_info()->kregs;
        unsigned long usp = regs->u_regs[UREG_I6];
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 357ced3c33ff..6318e622cfb0 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1038,6 +1038,7 @@ static int __hw_perf_event_init(struct perf_event *event)
        if (atomic_read(&nmi_active) < 0)
                return -ENODEV;
+        pmap = NULL;
        if (attr->type == PERF_TYPE_HARDWARE) {
                if (attr->config >= sparc_pmu->max_events)
                        return -EINVAL;
@@ -1046,9 +1047,18 @@ static int __hw_perf_event_init(struct perf_event *event)
                pmap = sparc_map_cache_event(attr->config);
                if (IS_ERR(pmap))
                        return PTR_ERR(pmap);
-        } else
+        } else if (attr->type != PERF_TYPE_RAW)
                return -EOPNOTSUPP;
+        if (pmap) {
+                hwc->event_base = perf_event_encode(pmap);
+        } else {
+                /* User gives us "(encoding << 16) | pic_mask" for
+                 * PERF_TYPE_RAW events.
+                 */
+                hwc->event_base = attr->config;
+        }
        /* We save the enable bits in the config_base.  */
        hwc->config_base = sparc_pmu->irq_bit;
        if (!attr->exclude_user)
@@ -1058,8 +1068,6 @@ static int __hw_perf_event_init(struct perf_event *event)
        if (!attr->exclude_hv)
                hwc->config_base |= sparc_pmu->hv_bit;
-        hwc->event_base = perf_event_encode(pmap);
        n = 0;
        if (event->group_leader != event) {
                n = collect_events(event->group_leader,
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index ea22cd373c64..75fad425e249 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -453,8 +453,66 @@ static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
        return err;
 }
-static void setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
+/* The I-cache flush instruction only works in the primary ASI, which
-                          int signo, sigset_t *oldset)
+ * right now is the nucleus, aka. kernel space.
+ *
+ * Therefore we have to kick the instructions out using the kernel
+ * side linear mapping of the physical address backing the user
+ * instructions.
+ */
+static void flush_signal_insns(unsigned long address)
+{
+        unsigned long pstate, paddr;
+        pte_t *ptep, pte;
+        pgd_t *pgdp;
+        pud_t *pudp;
+        pmd_t *pmdp;
+        /* Commit all stores of the instructions we are about to flush.  */
+        wmb();
+        /* Disable cross-call reception.  In this way even a very wide
+         * munmap() on another cpu can't tear down the page table
+         * hierarchy from underneath us, since that can't complete
+         * until the IPI tlb flush returns.
+         */
+        __asm__ __volatile__("rdpr %%pstate, %0" : "=r" (pstate));
+        __asm__ __volatile__("wrpr %0, %1, %%pstate"
+                                : : "r" (pstate), "i" (PSTATE_IE));
+        pgdp = pgd_offset(current->mm, address);
+        if (pgd_none(*pgdp))
+                goto out_irqs_on;
+        pudp = pud_offset(pgdp, address);
+        if (pud_none(*pudp))
+                goto out_irqs_on;
+        pmdp = pmd_offset(pudp, address);
+        if (pmd_none(*pmdp))
+                goto out_irqs_on;
+        ptep = pte_offset_map(pmdp, address);
+        pte = *ptep;
+        if (!pte_present(pte))
+                goto out_unmap;
+        paddr = (unsigned long) page_address(pte_page(pte));
+        __asm__ __volatile__("flush     %0 + %1"
+                             : /* no outputs */
+                             : "r" (paddr),
+                               "r" (address & (PAGE_SIZE - 1))
+                             : "memory");
+out_unmap:
+        pte_unmap(ptep);
+out_irqs_on:
+        __asm__ __volatile__("wrpr %0, 0x0, %%pstate" : : "r" (pstate));
+}
+static int setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
+                         int signo, sigset_t *oldset)
 {
        struct signal_frame32 __user *sf;
        int sigframe_size;
@@ -547,13 +605,7 @@ static void setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
        if (ka->ka_restorer) {
                regs->u_regs[UREG_I7] = (unsigned long)ka->ka_restorer;
        } else {
-                /* Flush instruction space. */
                unsigned long address = ((unsigned long)&(sf->insns[0]));
-                pgd_t *pgdp = pgd_offset(current->mm, address);
-                pud_t *pudp = pud_offset(pgdp, address);
-                pmd_t *pmdp = pmd_offset(pudp, address);
-                pte_t *ptep;
-                pte_t pte;
                regs->u_regs[UREG_I7] = (unsigned long) (&(sf->insns[0]) - 2);
        
@@ -562,34 +614,22 @@ static void setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                if (err)
                        goto sigsegv;
-                preempt_disable();
+                flush_signal_insns(address);
-                ptep = pte_offset_map(pmdp, address);
-                pte = *ptep;
-                if (pte_present(pte)) {
-                        unsigned long page = (unsigned long)
-                                page_address(pte_page(pte));
-                        wmb();
-                        __asm__ __volatile__("flush     %0 + %1"
-                                             : /* no outputs */
-                                             : "r" (page),
-                                               "r" (address & (PAGE_SIZE - 1))
-                                             : "memory");
-                }
-                pte_unmap(ptep);
-                preempt_enable();
        }
-        return;
+        return 0;
 sigill:
        do_exit(SIGILL);
+        return -EINVAL;
 sigsegv:
        force_sigsegv(signo, current);
+        return -EFAULT;
 }
-static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
+static int setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
-                             unsigned long signr, sigset_t *oldset,
+                            unsigned long signr, sigset_t *oldset,
-                             siginfo_t *info)
+                            siginfo_t *info)
 {
        struct rt_signal_frame32 __user *sf;
        int sigframe_size;
@@ -687,12 +727,7 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
        if (ka->ka_restorer)
                regs->u_regs[UREG_I7] = (unsigned long)ka->ka_restorer;
        else {
-                /* Flush instruction space. */
                unsigned long address = ((unsigned long)&(sf->insns[0]));
-                pgd_t *pgdp = pgd_offset(current->mm, address);
-                pud_t *pudp = pud_offset(pgdp, address);
-                pmd_t *pmdp = pmd_offset(pudp, address);
-                pte_t *ptep;
                regs->u_regs[UREG_I7] = (unsigned long) (&(sf->insns[0]) - 2);
        
@@ -704,38 +739,32 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
                if (err)
                        goto sigsegv;
-                preempt_disable();
+                flush_signal_insns(address);
-                ptep = pte_offset_map(pmdp, address);
-                if (pte_present(*ptep)) {
-                        unsigned long page = (unsigned long)
-                                page_address(pte_page(*ptep));
-                        wmb();
-                        __asm__ __volatile__("flush     %0 + %1"
-                                             : /* no outputs */
-                                             : "r" (page),
-                                               "r" (address & (PAGE_SIZE - 1))
-                                             : "memory");
-                }
-                pte_unmap(ptep);
-                preempt_enable();
        }
-        return;
+        return 0;
 sigill:
        do_exit(SIGILL);
+        return -EINVAL;
 sigsegv:
        force_sigsegv(signr, current);
+        return -EFAULT;
 }
-static inline void handle_signal32(unsigned long signr, struct k_sigaction *ka,
+static inline int handle_signal32(unsigned long signr, struct k_sigaction *ka,
-                                   siginfo_t *info,
+                                  siginfo_t *info,
-                                   sigset_t *oldset, struct pt_regs *regs)
+                                  sigset_t *oldset, struct pt_regs *regs)
 {
+        int err;
        if (ka->sa.sa_flags & SA_SIGINFO)
-                setup_rt_frame32(ka, regs, signr, oldset, info);
+                err = setup_rt_frame32(ka, regs, signr, oldset, info);
        else
-                setup_frame32(ka, regs, signr, oldset);
+                err = setup_frame32(ka, regs, signr, oldset);
+        if (err)
+                return err;
        spin_lock_irq(&current->sighand->siglock);
        sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
@@ -743,6 +772,10 @@ static inline void handle_signal32(unsigned long signr, struct k_sigaction *ka,
                sigaddset(&current->blocked,signr);
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
+        tracehook_signal_handler(signr, info, ka, regs, 0);
+        return 0;
 }
 static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs,
@@ -789,16 +822,14 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
        if (signr > 0) {
                if (restart_syscall)
                        syscall_restart32(orig_i0, regs, &ka.sa);
-                handle_signal32(signr, &ka, &info, oldset, regs);
+                if (handle_signal32(signr, &ka, &info, oldset, regs) == 0) {
+                        /* A signal was successfully delivered; the saved
-                /* A signal was successfully delivered; the saved
+                         * sigmask will have been stored in the signal frame,
-                 * sigmask will have been stored in the signal frame,
+                         * and will be restored by sigreturn, so we can simply
-                 * and will be restored by sigreturn, so we can simply
+                         * clear the TS_RESTORE_SIGMASK flag.
-                 * clear the TS_RESTORE_SIGMASK flag.
+                         */
-                 */
+                        current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+                }
-                tracehook_signal_handler(signr, &info, &ka, regs, 0);
                return;
        }
        if (restart_syscall &&
@@ -809,12 +840,14 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
                regs->u_regs[UREG_I0] = orig_i0;
                regs->tpc -= 4;
                regs->tnpc -= 4;
+                pt_regs_clear_syscall(regs);
        }
        if (restart_syscall &&
            regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
                regs->u_regs[UREG_G1] = __NR_restart_syscall;
                regs->tpc -= 4;
                regs->tnpc -= 4;
+                pt_regs_clear_syscall(regs);
        }
        /* If there's no signal to deliver, we just put the saved sigmask
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 9882df92ba0a..5e5c5fd03783 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -315,8 +315,8 @@ save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
        return err;
 }
-static void setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
+static int setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
-                        int signo, sigset_t *oldset)
+                       int signo, sigset_t *oldset)
 {
        struct signal_frame __user *sf;
        int sigframe_size, err;
@@ -384,16 +384,19 @@ static void setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
                /* Flush instruction space. */
                flush_sig_insns(current->mm, (unsigned long) &(sf->insns[0]));
        }
-        return;
+        return 0;
 sigill_and_return:
        do_exit(SIGILL);
+        return -EINVAL;
 sigsegv:
        force_sigsegv(signo, current);
+        return -EFAULT;
 }
-static void setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
+static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
-                           int signo, sigset_t *oldset, siginfo_t *info)
+                          int signo, sigset_t *oldset, siginfo_t *info)
 {
        struct rt_signal_frame __user *sf;
        int sigframe_size;
@@ -466,22 +469,30 @@ static void setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
                /* Flush instruction space. */
                flush_sig_insns(current->mm, (unsigned long) &(sf->insns[0]));
        }
-        return;
+        return 0;
 sigill:
        do_exit(SIGILL);
+        return -EINVAL;
 sigsegv:
        force_sigsegv(signo, current);
+        return -EFAULT;
 }
-static inline void
+static inline int
 handle_signal(unsigned long signr, struct k_sigaction *ka,
              siginfo_t *info, sigset_t *oldset, struct pt_regs *regs)
 {
+        int err;
        if (ka->sa.sa_flags & SA_SIGINFO)
-                setup_rt_frame(ka, regs, signr, oldset, info);
+                err = setup_rt_frame(ka, regs, signr, oldset, info);
        else
-                setup_frame(ka, regs, signr, oldset);
+                err = setup_frame(ka, regs, signr, oldset);
+        if (err)
+                return err;
        spin_lock_irq(&current->sighand->siglock);
        sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
@@ -489,6 +500,10 @@ handle_signal(unsigned long signr, struct k_sigaction *ka,
                sigaddset(&current->blocked, signr);
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
+        tracehook_signal_handler(signr, info, ka, regs, 0);
+        return 0;
 }
 static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
@@ -546,17 +561,15 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
        if (signr > 0) {
                if (restart_syscall)
                        syscall_restart(orig_i0, regs, &ka.sa);
-                handle_signal(signr, &ka, &info, oldset, regs);
+                if (handle_signal(signr, &ka, &info, oldset, regs) == 0) {
+                        /* a signal was successfully delivered; the saved
-                /* a signal was successfully delivered; the saved
+                         * sigmask will have been stored in the signal frame,
-                 * sigmask will have been stored in the signal frame,
+                         * and will be restored by sigreturn, so we can simply
-                 * and will be restored by sigreturn, so we can simply
+                         * clear the TIF_RESTORE_SIGMASK flag.
-                 * clear the TIF_RESTORE_SIGMASK flag.
+                         */
-                 */
+                        if (test_thread_flag(TIF_RESTORE_SIGMASK))
-                if (test_thread_flag(TIF_RESTORE_SIGMASK))
+                                clear_thread_flag(TIF_RESTORE_SIGMASK);
-                        clear_thread_flag(TIF_RESTORE_SIGMASK);
+                }
-                tracehook_signal_handler(signr, &info, &ka, regs, 0);
                return;
        }
        if (restart_syscall &&
@@ -567,12 +580,14 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
                regs->u_regs[UREG_I0] = orig_i0;
                regs->pc -= 4;
                regs->npc -= 4;
+                pt_regs_clear_syscall(regs);
        }
        if (restart_syscall &&
            regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
                regs->u_regs[UREG_G1] = __NR_restart_syscall;
                regs->pc -= 4;
                regs->npc -= 4;
+                pt_regs_clear_syscall(regs);
        }
        /* if there's no signal to deliver, we just put the saved sigmask
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 9fa48c30037e..006fe4515886 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -409,7 +409,7 @@ static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *
        return (void __user *) sp;
 }
-static inline void
+static inline int
 setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
               int signo, sigset_t *oldset, siginfo_t *info)
 {
@@ -483,26 +483,37 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
        }
        /* 4. return to kernel instructions */
        regs->u_regs[UREG_I7] = (unsigned long)ka->ka_restorer;
-        return;
+        return 0;
 sigill:
        do_exit(SIGILL);
+        return -EINVAL;
 sigsegv:
        force_sigsegv(signo, current);
+        return -EFAULT;
 }
-static inline void handle_signal(unsigned long signr, struct k_sigaction *ka,
+static inline int handle_signal(unsigned long signr, struct k_sigaction *ka,
-                                 siginfo_t *info,
+                                siginfo_t *info,
-                                 sigset_t *oldset, struct pt_regs *regs)
+                                sigset_t *oldset, struct pt_regs *regs)
 {
-        setup_rt_frame(ka, regs, signr, oldset,
+        int err;
-                       (ka->sa.sa_flags & SA_SIGINFO) ? info : NULL);
+        err = setup_rt_frame(ka, regs, signr, oldset,
+                             (ka->sa.sa_flags & SA_SIGINFO) ? info : NULL);
+        if (err)
+                return err;
        spin_lock_irq(&current->sighand->siglock);
        sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
        if (!(ka->sa.sa_flags & SA_NOMASK))
                sigaddset(&current->blocked,signr);
        recalc_sigpending();
        spin_unlock_irq(&current->sighand->siglock);
+        tracehook_signal_handler(signr, info, ka, regs, 0);
+        return 0;
 }
 static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
@@ -571,16 +582,14 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
        if (signr > 0) {
                if (restart_syscall)
                        syscall_restart(orig_i0, regs, &ka.sa);
-                handle_signal(signr, &ka, &info, oldset, regs);
+                if (handle_signal(signr, &ka, &info, oldset, regs) == 0) {
+                        /* A signal was successfully delivered; the saved
-                /* A signal was successfully delivered; the saved
+                         * sigmask will have been stored in the signal frame,
-                 * sigmask will have been stored in the signal frame,
+                         * and will be restored by sigreturn, so we can simply
-                 * and will be restored by sigreturn, so we can simply
+                         * clear the TS_RESTORE_SIGMASK flag.
-                 * clear the TS_RESTORE_SIGMASK flag.
+                         */
-                 */
+                        current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-                current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+                }
-                tracehook_signal_handler(signr, &info, &ka, regs, 0);
                return;
        }
        if (restart_syscall &&
@@ -591,12 +600,14 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
                regs->u_regs[UREG_I0] = orig_i0;
                regs->tpc -= 4;
                regs->tnpc -= 4;
+                pt_regs_clear_syscall(regs);
        }
        if (restart_syscall &&
            regs->u_regs[UREG_I0] == ERESTART_RESTARTBLOCK) {
                regs->u_regs[UREG_G1] = __NR_restart_syscall;
                regs->tpc -= 4;
                regs->tnpc -= 4;
+                pt_regs_clear_syscall(regs);
        }
        /* If there's no signal to deliver, we just put the saved sigmask
diff --git a/arch/tile/include/arch/chip_tile64.h b/arch/tile/include/arch/chip_tile64.h
index 1246573be59e..261aaba092d4 100644
--- a/arch/tile/include/arch/chip_tile64.h
+++ b/arch/tile/include/arch/chip_tile64.h
@@ -150,6 +150,9 @@
 /** Is the PROC_STATUS SPR supported? */
 #define CHIP_HAS_PROC_STATUS_SPR() 0
+/** Is the DSTREAM_PF SPR supported? */
+#define CHIP_HAS_DSTREAM_PF() 0
 /** Log of the number of mshims we have. */
 #define CHIP_LOG_NUM_MSHIMS() 2
diff --git a/arch/tile/include/arch/chip_tilepro.h b/arch/tile/include/arch/chip_tilepro.h
index e864c47fc89c..70017699a74c 100644
--- a/arch/tile/include/arch/chip_tilepro.h
+++ b/arch/tile/include/arch/chip_tilepro.h
@@ -150,6 +150,9 @@
 /** Is the PROC_STATUS SPR supported? */
 #define CHIP_HAS_PROC_STATUS_SPR() 1
+/** Is the DSTREAM_PF SPR supported? */
+#define CHIP_HAS_DSTREAM_PF() 0
 /** Log of the number of mshims we have. */
 #define CHIP_LOG_NUM_MSHIMS() 2
diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h
index 5a34da6cdd79..8b60ec8b2d19 100644
--- a/arch/tile/include/asm/compat.h
+++ b/arch/tile/include/asm/compat.h
@@ -195,7 +195,7 @@ static inline unsigned long ptr_to_compat_reg(void __user *uptr)
        return (long)(int)(long __force)uptr;
 }
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
        struct pt_regs *regs = task_pt_regs(current);
        return (void __user *)regs->sp - len;
@@ -214,8 +214,9 @@ extern int compat_setup_rt_frame(int sig, struct k_sigaction *ka,
 struct compat_sigaction;
 struct compat_siginfo;
 struct compat_sigaltstack;
-long compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
+long compat_sys_execve(const char __user *path,
-                       compat_uptr_t __user *envp);
+                       const compat_uptr_t __user *argv,
+                       const compat_uptr_t __user *envp);
 long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act,
                             struct compat_sigaction __user *oact,
                             size_t sigsetsize);
diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h
index 8c95bef3fa45..ee43328713ab 100644
--- a/arch/tile/include/asm/io.h
+++ b/arch/tile/include/asm/io.h
@@ -164,22 +164,22 @@ static inline void _tile_writeq(u64 val, unsigned long addr)
 #define iowrite32 writel
 #define iowrite64 writeq
-static inline void *memcpy_fromio(void *dst, void *src, int len)
+static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
+                                 size_t len)
 {
        int x;
        BUG_ON((unsigned long)src & 0x3);
        for (x = 0; x < len; x += 4)
                *(u32 *)(dst + x) = readl(src + x);
-        return dst;
 }
-static inline void *memcpy_toio(void *dst, void *src, int len)
+static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
+                                size_t len)
 {
        int x;
        BUG_ON((unsigned long)dst & 0x3);
        for (x = 0; x < len; x += 4)
                writel(*(u32 *)(src + x), dst + x);
-        return dst;
 }
 /*
diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h
index d942d09b252e..ccd5f8425688 100644
--- a/arch/tile/include/asm/processor.h
+++ b/arch/tile/include/asm/processor.h
@@ -103,6 +103,18 @@ struct thread_struct {
        /* Any other miscellaneous processor state bits */
        unsigned long proc_status;
 #endif
+#if !CHIP_HAS_FIXED_INTVEC_BASE()
+        /* Interrupt base for PL0 interrupts */
+        unsigned long interrupt_vector_base;
+#endif
+#if CHIP_HAS_TILE_RTF_HWM()
+        /* Tile cache retry fifo high-water mark */
+        unsigned long tile_rtf_hwm;
+#endif
+#if CHIP_HAS_DSTREAM_PF()
+        /* Data stream prefetch control */
+        unsigned long dstream_pf;
+#endif
 #ifdef CONFIG_HARDWALL
        /* Is this task tied to an activated hardwall? */
        struct hardwall_info *hardwall;
diff --git a/arch/tile/include/asm/ptrace.h b/arch/tile/include/asm/ptrace.h
index acdae814e016..4a02bb073979 100644
--- a/arch/tile/include/asm/ptrace.h
+++ b/arch/tile/include/asm/ptrace.h
@@ -51,10 +51,7 @@ typedef uint_reg_t pt_reg_t;
 /*
 * This struct defines the way the registers are stored on the stack during a
- * system call/exception.  It should be a multiple of 8 bytes to preserve
+ * system call or exception.  "struct sigcontext" has the same shape.
- * normal stack alignment rules.
- *
- * Must track <sys/ucontext.h> and <sys/procfs.h>
 */
 struct pt_regs {
        /* Saved main processor registers; 56..63 are special. */
@@ -80,11 +77,6 @@ struct pt_regs {
 #endif /* __ASSEMBLY__ */
-/* Flag bits in pt_regs.flags */
-#define PT_FLAGS_DISABLE_IRQ    1  /* on return to kernel, disable irqs */
-#define PT_FLAGS_CALLER_SAVES   2  /* caller-save registers are valid */
-#define PT_FLAGS_RESTORE_REGS   4  /* restore callee-save regs on return */
 #define PTRACE_GETREGS          12
 #define PTRACE_SETREGS          13
 #define PTRACE_GETFPREGS        14
@@ -101,6 +93,11 @@ struct pt_regs {
 #ifdef __KERNEL__
+/* Flag bits in pt_regs.flags */
+#define PT_FLAGS_DISABLE_IRQ    1  /* on return to kernel, disable irqs */
+#define PT_FLAGS_CALLER_SAVES   2  /* caller-save registers are valid */
+#define PT_FLAGS_RESTORE_REGS   4  /* restore callee-save regs on return */
 #ifndef __ASSEMBLY__
 #define instruction_pointer(regs) ((regs)->pc)
diff --git a/arch/tile/include/asm/sigcontext.h b/arch/tile/include/asm/sigcontext.h
index 7cd7672e3ad4..5e2d03336f53 100644
--- a/arch/tile/include/asm/sigcontext.h
+++ b/arch/tile/include/asm/sigcontext.h
@@ -15,13 +15,21 @@
 #ifndef _ASM_TILE_SIGCONTEXT_H
 #define _ASM_TILE_SIGCONTEXT_H
-/* NOTE: we can't include <linux/ptrace.h> due to #include dependencies. */
+#include <arch/abi.h>
-#include <asm/ptrace.h>
-/* Must track <sys/ucontext.h> */
+/*
+ * struct sigcontext has the same shape as struct pt_regs,
+ * but is simplified since we know the fault is from userspace.
+ */
 struct sigcontext {
-        struct pt_regs regs;
+        uint_reg_t gregs[53];   /* General-purpose registers.  */
+        uint_reg_t tp;          /* Aliases gregs[TREG_TP].  */
+        uint_reg_t sp;          /* Aliases gregs[TREG_SP].  */
+        uint_reg_t lr;          /* Aliases gregs[TREG_LR].  */
+        uint_reg_t pc;          /* Program counter.  */
+        uint_reg_t ics;         /* In Interrupt Critical Section?  */
+        uint_reg_t faultnum;    /* Fault number.  */
+        uint_reg_t pad[5];
 };
 #endif /* _ASM_TILE_SIGCONTEXT_H */
diff --git a/arch/tile/include/asm/signal.h b/arch/tile/include/asm/signal.h
index eb0253f32202..c1ee1d61d44c 100644
--- a/arch/tile/include/asm/signal.h
+++ b/arch/tile/include/asm/signal.h
@@ -24,6 +24,7 @@
 #include <asm-generic/signal.h>
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
+struct pt_regs;
 int restore_sigcontext(struct pt_regs *, struct sigcontext __user *, long *);
 int setup_sigcontext(struct sigcontext __user *, struct pt_regs *);
 void do_signal(struct pt_regs *regs);
diff --git a/arch/tile/include/asm/syscalls.h b/arch/tile/include/asm/syscalls.h
index af165a74537f..ce99ffefeacf 100644
--- a/arch/tile/include/asm/syscalls.h
+++ b/arch/tile/include/asm/syscalls.h
@@ -62,10 +62,12 @@ long sys_fork(void);
 long _sys_fork(struct pt_regs *regs);
 long sys_vfork(void);
 long _sys_vfork(struct pt_regs *regs);
-long sys_execve(char __user *filename, char __user * __user *argv,
+long sys_execve(const char __user *filename,
-                char __user * __user *envp);
+                const char __user *const __user *argv,
-long _sys_execve(char __user *filename, char __user * __user *argv,
+                const char __user *const __user *envp);
-                 char __user * __user *envp, struct pt_regs *regs);
+long _sys_execve(const char __user *filename,
+                 const char __user *const __user *argv,
+                 const char __user *const __user *envp, struct pt_regs *regs);
 /* kernel/signal.c */
 long sys_sigaltstack(const stack_t __user *, stack_t __user *);
@@ -86,10 +88,13 @@ int _sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *);
 #endif
 #ifdef CONFIG_COMPAT
-long compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
+long compat_sys_execve(const char __user *path,
-                       compat_uptr_t __user *envp);
+                       const compat_uptr_t __user *argv,
-long _compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
+                       const compat_uptr_t __user *envp);
-                        compat_uptr_t __user *envp, struct pt_regs *regs);
+long _compat_sys_execve(const char __user *path,
+                        const compat_uptr_t __user *argv,
+                        const compat_uptr_t __user *envp,
+                        struct pt_regs *regs);
 long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
                            struct compat_sigaltstack __user *uoss_ptr);
 long _compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S
index 84f296ca9e63..8f58bdff20d7 100644
--- a/arch/tile/kernel/intvec_32.S
+++ b/arch/tile/kernel/intvec_32.S
@@ -1506,13 +1506,6 @@ handle_ill:
        }
        STD_ENDPROC(handle_ill)
-        .pushsection .rodata, "a"
-        .align  8
-bpt_code:
-        bpt
-        ENDPROC(bpt_code)
-        .popsection
 /* Various stub interrupt handlers and syscall handlers */
 STD_ENTRY_LOCAL(_kernel_double_fault)
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index 985cc28c74c5..84c29111756c 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -408,6 +408,15 @@ static void save_arch_state(struct thread_struct *t)
 #if CHIP_HAS_PROC_STATUS_SPR()
        t->proc_status = __insn_mfspr(SPR_PROC_STATUS);
 #endif
+#if !CHIP_HAS_FIXED_INTVEC_BASE()
+        t->interrupt_vector_base = __insn_mfspr(SPR_INTERRUPT_VECTOR_BASE_0);
+#endif
+#if CHIP_HAS_TILE_RTF_HWM()
+        t->tile_rtf_hwm = __insn_mfspr(SPR_TILE_RTF_HWM);
+#endif
+#if CHIP_HAS_DSTREAM_PF()
+        t->dstream_pf = __insn_mfspr(SPR_DSTREAM_PF);
+#endif
 }
 static void restore_arch_state(const struct thread_struct *t)
@@ -428,14 +437,14 @@ static void restore_arch_state(const struct thread_struct *t)
 #if CHIP_HAS_PROC_STATUS_SPR()
        __insn_mtspr(SPR_PROC_STATUS, t->proc_status);
 #endif
+#if !CHIP_HAS_FIXED_INTVEC_BASE()
+        __insn_mtspr(SPR_INTERRUPT_VECTOR_BASE_0, t->interrupt_vector_base);
+#endif
 #if CHIP_HAS_TILE_RTF_HWM()
-        /*
+        __insn_mtspr(SPR_TILE_RTF_HWM, t->tile_rtf_hwm);
-         * Clear this whenever we switch back to a process in case
+#endif
-         * the previous process was monkeying with it.  Even if enabled
+#if CHIP_HAS_DSTREAM_PF()
-         * in CBOX_MSR1 via TILE_RTF_HWM_MIN, it's still just a
+        __insn_mtspr(SPR_DSTREAM_PF, t->dstream_pf);
-         * performance hint, so isn't worth a full save/restore.
-         */
-        __insn_mtspr(SPR_TILE_RTF_HWM, 0);
 #endif
 }
@@ -561,8 +570,9 @@ out:
 }
 #ifdef CONFIG_COMPAT
-long _compat_sys_execve(char __user *path, compat_uptr_t __user *argv,
+long _compat_sys_execve(const char __user *path,
-                        compat_uptr_t __user *envp, struct pt_regs *regs)
+                        const compat_uptr_t __user *argv,
+                        const compat_uptr_t __user *envp, struct pt_regs *regs)
 {
        long error;
        char *filename;
@@ -657,7 +667,7 @@ void show_regs(struct pt_regs *regs)
               regs->regs[51], regs->regs[52], regs->tp);
        pr_err(" sp : "REGFMT" lr : "REGFMT"\n", regs->sp, regs->lr);
 #else
-        for (i = 0; i < 52; i += 3)
+        for (i = 0; i < 52; i += 4)
                pr_err(" r%-2d: "REGFMT" r%-2d: "REGFMT
                       " r%-2d: "REGFMT" r%-2d: "REGFMT"\n",
                       i, regs->regs[i], i+1, regs->regs[i+1],
diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c
index 45b66a3c991f..ce183aa1492c 100644
--- a/arch/tile/kernel/signal.c
+++ b/arch/tile/kernel/signal.c
@@ -61,13 +61,19 @@ int restore_sigcontext(struct pt_regs *regs,
        /* Always make any pending restarted system calls return -EINTR */
        current_thread_info()->restart_block.fn = do_no_restart_syscall;
+        /*
+         * Enforce that sigcontext is like pt_regs, and doesn't mess
+         * up our stack alignment rules.
+         */
+        BUILD_BUG_ON(sizeof(struct sigcontext) != sizeof(struct pt_regs));
+        BUILD_BUG_ON(sizeof(struct sigcontext) % 8 != 0);
        for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i)
-                err |= __get_user(((long *)regs)[i],
+                err |= __get_user(regs->regs[i], &sc->gregs[i]);
-                                  &((long __user *)(&sc->regs))[i]);
        regs->faultnum = INT_SWINT_1_SIGRETURN;
-        err |= __get_user(*pr0, &sc->regs.regs[0]);
+        err |= __get_user(*pr0, &sc->gregs[0]);
        return err;
 }
@@ -112,8 +118,7 @@ int setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs)
        int i, err = 0;
        for (i = 0; i < sizeof(struct pt_regs)/sizeof(long); ++i)
-                err |= __put_user(((long *)regs)[i],
+                err |= __put_user(regs->regs[i], &sc->gregs[i]);
-                                  &((long __user *)(&sc->regs))[i]);
        return err;
 }
@@ -203,19 +208,17 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
         * Set up registers for signal handler.
         * Registers that we don't modify keep the value they had from
         * user-space at the time we took the signal.
+         * We always pass siginfo and mcontext, regardless of SA_SIGINFO,
+         * since some things rely on this (e.g. glibc's debug/segfault.c).
         */
        regs->pc = (unsigned long) ka->sa.sa_handler;
        regs->ex1 = PL_ICS_EX1(USER_PL, 1); /* set crit sec in handler */
        regs->sp = (unsigned long) frame;
        regs->lr = restorer;
        regs->regs[0] = (unsigned long) usig;
+        regs->regs[1] = (unsigned long) &frame->info;
-        if (ka->sa.sa_flags & SA_SIGINFO) {
+        regs->regs[2] = (unsigned long) &frame->uc;
-                /* Need extra arguments, so mark to restore caller-saves. */
+        regs->flags |= PT_FLAGS_CALLER_SAVES;
-                regs->regs[1] = (unsigned long) &frame->info;
-                regs->regs[2] = (unsigned long) &frame->uc;
-                regs->flags |= PT_FLAGS_CALLER_SAVES;
-        }
        /*
         * Notify any tracer that was single-stepping it.
diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c
index 38a68b0b4581..ea2e0ce28380 100644
--- a/arch/tile/kernel/stack.c
+++ b/arch/tile/kernel/stack.c
@@ -175,7 +175,7 @@ static struct pt_regs *valid_sigframe(struct KBacktraceIterator* kbt)
                        pr_err("  <received signal %d>\n",
                               frame->info.si_signo);
                }
-                return &frame->uc.uc_mcontext.regs;
+                return (struct pt_regs *)&frame->uc.uc_mcontext;
        }
        return NULL;
 }
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 2ab233ba32c1..47d0c37897d5 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -255,18 +255,6 @@ static void uml_net_tx_timeout(struct net_device *dev)
        netif_wake_queue(dev);
 }
-static int uml_net_set_mac(struct net_device *dev, void *addr)
-{
-        struct uml_net_private *lp = netdev_priv(dev);
-        struct sockaddr *hwaddr = addr;
-        spin_lock_irq(&lp->lock);
-        eth_mac_addr(dev, hwaddr->sa_data);
-        spin_unlock_irq(&lp->lock);
-        return 0;
-}
 static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
 {
        dev->mtu = new_mtu;
@@ -373,7 +361,7 @@ static const struct net_device_ops uml_netdev_ops = {
        .ndo_start_xmit         = uml_net_start_xmit,
        .ndo_set_multicast_list = uml_net_set_multicast_list,
        .ndo_tx_timeout         = uml_net_tx_timeout,
-        .ndo_set_mac_address    = uml_net_set_mac,
+        .ndo_set_mac_address    = eth_mac_addr,
        .ndo_change_mtu         = uml_net_change_mtu,
        .ndo_validate_addr      = eth_validate_addr,
 };
@@ -472,7 +460,8 @@ static void eth_configure(int n, void *init, char *mac,
            ((*transport->user->init)(&lp->user, dev) != 0))
                goto out_unregister;
-        eth_mac_addr(dev, device->mac);
+        /* don't use eth_mac_addr, it will not work here */
+        memcpy(dev->dev_addr, device->mac, ETH_ALEN);
        dev->mtu = transport->user->mtu;
        dev->netdev_ops = &uml_netdev_ops;
        dev->ethtool_ops = &uml_net_ethtool_ops;
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index cd145eda3579..49b5e1eb3262 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -62,7 +62,7 @@ static long execve1(const char *file,
        return error;
 }
-long um_execve(const char *file, char __user *__user *argv, char __user *__user *env)
+long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env)
 {
        long err;
@@ -72,8 +72,8 @@ long um_execve(const char *file, char __user *__user *argv, char __user *__user
        return err;
 }
-long sys_execve(const char __user *file, char __user *__user *argv,
+long sys_execve(const char __user *file, const char __user *const __user *argv,
-                char __user *__user *env)
+                const char __user *const __user *env)
 {
        long error;
        char *filename;
diff --git a/arch/um/kernel/internal.h b/arch/um/kernel/internal.h
index 1303a105fe91..5bf97db24a04 100644
--- a/arch/um/kernel/internal.h
+++ b/arch/um/kernel/internal.h
@@ -1 +1 @@
-extern long um_execve(const char *file, char __user *__user *argv, char __user *__user *env);
+extern long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env);
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index 5ddb246626db..f958cb876ee3 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -60,8 +60,8 @@ int kernel_execve(const char *filename,
        fs = get_fs();
        set_fs(KERNEL_DS);
-        ret = um_execve(filename, (char __user *__user *)argv,
+        ret = um_execve(filename, (const char __user *const __user *)argv,
-                        (char __user *__user *) envp);
+                        (const char __user *const __user *) envp);
        set_fs(fs);
        return ret;
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 8aa1b59b9074..e8c8881351b3 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -74,7 +74,7 @@ endif
 ifdef CONFIG_CC_STACKPROTECTOR
        cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh
-        ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(biarch)),y)
+        ifeq ($(shell $(CONFIG_SHELL) $(cc_has_sp) $(CC) $(KBUILD_CPPFLAGS) $(biarch)),y)
                stackp-y := -fstack-protector
                KBUILD_CFLAGS += $(stackp-y)
        else
diff --git a/arch/x86/boot/early_serial_console.c b/arch/x86/boot/early_serial_console.c
index 030f4b93e255..5df2869c874b 100644
--- a/arch/x86/boot/early_serial_console.c
+++ b/arch/x86/boot/early_serial_console.c
@@ -58,7 +58,19 @@ static void parse_earlyprintk(void)
                if (arg[pos] == ',')
                        pos++;
-                if (!strncmp(arg, "ttyS", 4)) {
+                /*
+                 * make sure we have
+                 *      "serial,0x3f8,115200"
+                 *      "serial,ttyS0,115200"
+                 *      "ttyS0,115200"
+                 */
+                if (pos == 7 && !strncmp(arg + pos, "0x", 2)) {
+                        port = simple_strtoull(arg + pos, &e, 16);
+                        if (port == 0 || arg + pos == e)
+                                port = DEFAULT_SERIAL_PORT;
+                        else
+                                pos = e - arg;
+                } else if (!strncmp(arg + pos, "ttyS", 4)) {
                        static const int bases[] = { 0x3f8, 0x2f8 };
                        int idx = 0;
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index b86feabed69b..518bb99c3394 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -50,7 +50,12 @@
        /*
         * Reload arg registers from stack in case ptrace changed them.
         * We don't reload %eax because syscall_trace_enter() returned
-         * the value it wants us to use in the table lookup.
+         * the %rax value we should see.  Instead, we just truncate that
+         * value to 32 bits again as we did on entry from user mode.
+         * If it's a new value set by user_regset during entry tracing,
+         * this matches the normal truncation of the user-mode value.
+         * If it's -1 to make us punt the syscall, then (u32)-1 is still
+         * an appropriately invalid value.
         */
        .macro LOAD_ARGS32 offset, _r9=0
        .if \_r9
@@ -60,6 +65,7 @@
        movl \offset+48(%rsp),%edx
        movl \offset+56(%rsp),%esi
        movl \offset+64(%rsp),%edi
+        movl %eax,%eax                  /* zero extension */
        .endm
        
        .macro CFI_STARTPROC32 simple
@@ -153,7 +159,7 @@ ENTRY(ia32_sysenter_target)
        testl  $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
        CFI_REMEMBER_STATE
        jnz  sysenter_tracesys
-        cmpl    $(IA32_NR_syscalls-1),%eax
+        cmpq    $(IA32_NR_syscalls-1),%rax
        ja      ia32_badsys
 sysenter_do_call:
        IA32_ARG_FIXUP
@@ -195,7 +201,7 @@ sysexit_from_sys_call:
        movl $AUDIT_ARCH_I386,%edi      /* 1st arg: audit arch */
        call audit_syscall_entry
        movl RAX-ARGOFFSET(%rsp),%eax   /* reload syscall number */
-        cmpl $(IA32_NR_syscalls-1),%eax
+        cmpq $(IA32_NR_syscalls-1),%rax
        ja ia32_badsys
        movl %ebx,%edi                  /* reload 1st syscall arg */
        movl RCX-ARGOFFSET(%rsp),%esi   /* reload 2nd syscall arg */
@@ -248,7 +254,7 @@ sysenter_tracesys:
        call    syscall_trace_enter
        LOAD_ARGS32 ARGOFFSET  /* reload args from stack in case ptrace changed it */
        RESTORE_REST
-        cmpl    $(IA32_NR_syscalls-1),%eax
+        cmpq    $(IA32_NR_syscalls-1),%rax
        ja      int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */
        jmp     sysenter_do_call
        CFI_ENDPROC
@@ -314,7 +320,7 @@ ENTRY(ia32_cstar_target)
        testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
        CFI_REMEMBER_STATE
        jnz   cstar_tracesys
-        cmpl $IA32_NR_syscalls-1,%eax
+        cmpq $IA32_NR_syscalls-1,%rax
        ja  ia32_badsys
 cstar_do_call:
        IA32_ARG_FIXUP 1
@@ -367,7 +373,7 @@ cstar_tracesys:
        LOAD_ARGS32 ARGOFFSET, 1  /* reload args from stack in case ptrace changed it */
        RESTORE_REST
        xchgl %ebp,%r9d
-        cmpl $(IA32_NR_syscalls-1),%eax
+        cmpq $(IA32_NR_syscalls-1),%rax
        ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */
        jmp cstar_do_call
 END(ia32_cstar_target)
@@ -425,7 +431,7 @@ ENTRY(ia32_syscall)
        orl   $TS_COMPAT,TI_status(%r10)
        testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
        jnz ia32_tracesys
-        cmpl $(IA32_NR_syscalls-1),%eax
+        cmpq $(IA32_NR_syscalls-1),%rax
        ja ia32_badsys
 ia32_do_call:
        IA32_ARG_FIXUP
@@ -444,7 +450,7 @@ ia32_tracesys:
        call syscall_trace_enter
        LOAD_ARGS32 ARGOFFSET  /* reload args from stack in case ptrace changed it */
        RESTORE_REST
-        cmpl $(IA32_NR_syscalls-1),%eax
+        cmpq $(IA32_NR_syscalls-1),%rax
        ja  int_ret_from_sys_call       /* ia32_tracesys has set RAX(%rsp) */
        jmp ia32_do_call
 END(ia32_syscall)
diff --git a/arch/x86/include/asm/amd_iommu_proto.h b/arch/x86/include/asm/amd_iommu_proto.h
index d2544f1d705d..cb030374b90a 100644
--- a/arch/x86/include/asm/amd_iommu_proto.h
+++ b/arch/x86/include/asm/amd_iommu_proto.h
@@ -38,4 +38,10 @@ static inline void amd_iommu_stats_init(void) { }
 #endif /* !CONFIG_AMD_IOMMU_STATS */
+static inline bool is_rd890_iommu(struct pci_dev *pdev)
+{
+        return (pdev->vendor == PCI_VENDOR_ID_ATI) &&
+               (pdev->device == PCI_DEVICE_ID_RD890_IOMMU);
+}
 #endif /* _ASM_X86_AMD_IOMMU_PROTO_H  */
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h
index 7014e88bc779..08616180deaf 100644
--- a/arch/x86/include/asm/amd_iommu_types.h
+++ b/arch/x86/include/asm/amd_iommu_types.h
@@ -368,6 +368,9 @@ struct amd_iommu {
        /* capabilities of that IOMMU read from ACPI */
        u32 cap;
+        /* flags read from acpi table */
+        u8 acpi_flags;
        /*
         * Capability pointer. There could be more than one IOMMU per PCI
         * device function if there are more than one AMD IOMMU capability
@@ -411,6 +414,15 @@ struct amd_iommu {
        /* default dma_ops domain for that IOMMU */
        struct dma_ops_domain *default_dom;
+        /*
+         * This array is required to work around a potential BIOS bug.
+         * The BIOS may miss to restore parts of the PCI configuration
+         * space when the system resumes from S3. The result is that the
+         * IOMMU does not execute commands anymore which leads to system
+         * failure.
+         */
+        u32 cache_cfg[4];
 };
 /*
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 545776efeb16..bafd80defa43 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -309,7 +309,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
 static __always_inline int constant_test_bit(unsigned int nr, const volatile unsigned long *addr)
 {
        return ((1UL << (nr % BITS_PER_LONG)) &
-                (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0;
+                (addr[nr / BITS_PER_LONG])) != 0;
 }
 static inline int variable_test_bit(int nr, volatile const unsigned long *addr)
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 306160e58b48..1d9cd27c2920 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -205,7 +205,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
        return (u32)(unsigned long)uptr;
 }
-static inline void __user *compat_alloc_user_space(long len)
+static inline void __user *arch_compat_alloc_user_space(long len)
 {
        struct pt_regs *regs = task_pt_regs(current);
        return (void __user *)regs->sp - len;
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 781a50b29a49..3f76523589af 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -168,6 +168,7 @@
 #define X86_FEATURE_XSAVEOPT    (7*32+ 4) /* Optimized Xsave */
 #define X86_FEATURE_PLN         (7*32+ 5) /* Intel Power Limit Notification */
 #define X86_FEATURE_PTS         (7*32+ 6) /* Intel Package Thermal Status */
+#define X86_FEATURE_DTS         (7*32+ 7) /* Digital Thermal Sensor */
 /* Virtualization flags: Linux defined, word 8 */
 #define X86_FEATURE_TPR_SHADOW  (8*32+ 0) /* Intel TPR Shadow */
@@ -296,6 +297,7 @@ extern const char * const x86_power_flags[32];
 #endif /* CONFIG_X86_64 */
+#if __GNUC__ >= 4
 /*
 * Static testing of CPU features.  Used the same as boot_cpu_has().
 * These are only valid after alternatives have run, but will statically
@@ -304,7 +306,7 @@ extern const char * const x86_power_flags[32];
 */
 static __always_inline __pure bool __static_cpu_has(u16 bit)
 {
-#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
+#if __GNUC__ > 4 || __GNUC_MINOR__ >= 5
                asm goto("1: jmp %l[t_no]\n"
                         "2:\n"
                         ".section .altinstructions,\"a\"\n"
@@ -345,7 +347,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit)
 #endif
 }
-#if __GNUC__ >= 4
 #define static_cpu_has(bit)                                     \
 (                                                               \
        __builtin_constant_p(boot_cpu_has(bit)) ?               \
diff --git a/arch/x86/include/asm/hpet.h b/arch/x86/include/asm/hpet.h
index 004e6e25e913..1d5c08a1bdfd 100644
--- a/arch/x86/include/asm/hpet.h
+++ b/arch/x86/include/asm/hpet.h
@@ -68,7 +68,6 @@ extern unsigned long force_hpet_address;
 extern u8 hpet_blockid;
 extern int hpet_force_user;
 extern u8 hpet_msi_disable;
-extern u8 hpet_readback_cmp;
 extern int is_hpet_enabled(void);
 extern int hpet_enable(void);
 extern void hpet_disable(void);
diff --git a/arch/x86/include/asm/hw_breakpoint.h b/arch/x86/include/asm/hw_breakpoint.h
index 528a11e8d3e3..824ca07860d0 100644
--- a/arch/x86/include/asm/hw_breakpoint.h
+++ b/arch/x86/include/asm/hw_breakpoint.h
@@ -20,7 +20,7 @@ struct arch_hw_breakpoint {
 #include <linux/list.h>
 /* Available HW breakpoint length encodings */
-#define X86_BREAKPOINT_LEN_X            0x00
+#define X86_BREAKPOINT_LEN_X            0x40
 #define X86_BREAKPOINT_LEN_1            0x40
 #define X86_BREAKPOINT_LEN_2            0x44
 #define X86_BREAKPOINT_LEN_4            0x4c
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 0925676266bd..fedf32a8c3ec 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -11,6 +11,8 @@ ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_tsc.o = -pg
 CFLAGS_REMOVE_rtc.o = -pg
 CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
+CFLAGS_REMOVE_pvclock.o = -pg
+CFLAGS_REMOVE_kvmclock.o = -pg
 CFLAGS_REMOVE_ftrace.o = -pg
 CFLAGS_REMOVE_early_printk.o = -pg
 endif
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index fb7a5f052e2b..fb16f17e59be 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -61,7 +61,7 @@ struct cstate_entry {
                unsigned int ecx;
        } states[ACPI_PROCESSOR_MAX_POWER];
 };
-static struct cstate_entry *cpu_cstate_entry;   /* per CPU ptr */
+static struct cstate_entry __percpu *cpu_cstate_entry;  /* per CPU ptr */
 static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index fa044e1e30a2..679b6450382b 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -1953,6 +1953,7 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
                           size_t size,
                           int dir)
 {
+        dma_addr_t flush_addr;
        dma_addr_t i, start;
        unsigned int pages;
@@ -1960,6 +1961,7 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
            (dma_addr + size > dma_dom->aperture_size))
                return;
+        flush_addr = dma_addr;
        pages = iommu_num_pages(dma_addr, size, PAGE_SIZE);
        dma_addr &= PAGE_MASK;
        start = dma_addr;
@@ -1974,7 +1976,7 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
        dma_ops_free_addresses(dma_dom, dma_addr, pages);
        if (amd_iommu_unmap_flush || dma_dom->need_flush) {
-                iommu_flush_pages(&dma_dom->domain, dma_addr, size);
+                iommu_flush_pages(&dma_dom->domain, flush_addr, size);
                dma_dom->need_flush = false;
        }
 }
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 3cc63e2b8dd4..5a170cbbbed8 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -632,6 +632,13 @@ static void __init init_iommu_from_pci(struct amd_iommu *iommu)
        iommu->last_device = calc_devid(MMIO_GET_BUS(range),
                                        MMIO_GET_LD(range));
        iommu->evt_msi_num = MMIO_MSI_NUM(misc);
+        if (is_rd890_iommu(iommu->dev)) {
+                pci_read_config_dword(iommu->dev, 0xf0, &iommu->cache_cfg[0]);
+                pci_read_config_dword(iommu->dev, 0xf4, &iommu->cache_cfg[1]);
+                pci_read_config_dword(iommu->dev, 0xf8, &iommu->cache_cfg[2]);
+                pci_read_config_dword(iommu->dev, 0xfc, &iommu->cache_cfg[3]);
+        }
 }
 /*
@@ -649,29 +656,9 @@ static void __init init_iommu_from_acpi(struct amd_iommu *iommu,
        struct ivhd_entry *e;
        /*
-         * First set the recommended feature enable bits from ACPI
+         * First save the recommended feature enable bits from ACPI
-         * into the IOMMU control registers
         */
-        h->flags & IVHD_FLAG_HT_TUN_EN_MASK ?
+        iommu->acpi_flags = h->flags;
-                iommu_feature_enable(iommu, CONTROL_HT_TUN_EN) :
-                iommu_feature_disable(iommu, CONTROL_HT_TUN_EN);
-        h->flags & IVHD_FLAG_PASSPW_EN_MASK ?
-                iommu_feature_enable(iommu, CONTROL_PASSPW_EN) :
-                iommu_feature_disable(iommu, CONTROL_PASSPW_EN);
-        h->flags & IVHD_FLAG_RESPASSPW_EN_MASK ?
-                iommu_feature_enable(iommu, CONTROL_RESPASSPW_EN) :
-                iommu_feature_disable(iommu, CONTROL_RESPASSPW_EN);
-        h->flags & IVHD_FLAG_ISOC_EN_MASK ?
-                iommu_feature_enable(iommu, CONTROL_ISOC_EN) :
-                iommu_feature_disable(iommu, CONTROL_ISOC_EN);
-        /*
-         * make IOMMU memory accesses cache coherent
-         */
-        iommu_feature_enable(iommu, CONTROL_COHERENT_EN);
        /*
         * Done. Now parse the device entries
@@ -1116,6 +1103,40 @@ static void init_device_table(void)
        }
 }
+static void iommu_init_flags(struct amd_iommu *iommu)
+{
+        iommu->acpi_flags & IVHD_FLAG_HT_TUN_EN_MASK ?
+                iommu_feature_enable(iommu, CONTROL_HT_TUN_EN) :
+                iommu_feature_disable(iommu, CONTROL_HT_TUN_EN);
+        iommu->acpi_flags & IVHD_FLAG_PASSPW_EN_MASK ?
+                iommu_feature_enable(iommu, CONTROL_PASSPW_EN) :
+                iommu_feature_disable(iommu, CONTROL_PASSPW_EN);
+        iommu->acpi_flags & IVHD_FLAG_RESPASSPW_EN_MASK ?
+                iommu_feature_enable(iommu, CONTROL_RESPASSPW_EN) :
+                iommu_feature_disable(iommu, CONTROL_RESPASSPW_EN);
+        iommu->acpi_flags & IVHD_FLAG_ISOC_EN_MASK ?
+                iommu_feature_enable(iommu, CONTROL_ISOC_EN) :
+                iommu_feature_disable(iommu, CONTROL_ISOC_EN);
+        /*
+         * make IOMMU memory accesses cache coherent
+         */
+        iommu_feature_enable(iommu, CONTROL_COHERENT_EN);
+}
+static void iommu_apply_quirks(struct amd_iommu *iommu)
+{
+        if (is_rd890_iommu(iommu->dev)) {
+                pci_write_config_dword(iommu->dev, 0xf0, iommu->cache_cfg[0]);
+                pci_write_config_dword(iommu->dev, 0xf4, iommu->cache_cfg[1]);
+                pci_write_config_dword(iommu->dev, 0xf8, iommu->cache_cfg[2]);
+                pci_write_config_dword(iommu->dev, 0xfc, iommu->cache_cfg[3]);
+        }
+}
 /*
 * This function finally enables all IOMMUs found in the system after
 * they have been initialized
@@ -1126,6 +1147,8 @@ static void enable_iommus(void)
        for_each_iommu(iommu) {
                iommu_disable(iommu);
+                iommu_apply_quirks(iommu);
+                iommu_init_flags(iommu);
                iommu_set_device_table(iommu);
                iommu_enable_command_buffer(iommu);
                iommu_enable_event_buffer(iommu);
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index f1efebaf5510..5c5b8f3dddb5 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -306,14 +306,19 @@ void arch_init_copy_chip_data(struct irq_desc *old_desc,
        old_cfg = old_desc->chip_data;
-        memcpy(cfg, old_cfg, sizeof(struct irq_cfg));
+        cfg->vector = old_cfg->vector;
+        cfg->move_in_progress = old_cfg->move_in_progress;
+        cpumask_copy(cfg->domain, old_cfg->domain);
+        cpumask_copy(cfg->old_domain, old_cfg->old_domain);
        init_copy_irq_2_pin(old_cfg, cfg, node);
 }
-static void free_irq_cfg(struct irq_cfg *old_cfg)
+static void free_irq_cfg(struct irq_cfg *cfg)
 {
-        kfree(old_cfg);
+        free_cpumask_var(cfg->domain);
+        free_cpumask_var(cfg->old_domain);
+        kfree(cfg);
 }
 void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc)
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 7b598b84c902..f744f54cb248 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -698,9 +698,11 @@ void __init uv_system_init(void)
                for (j = 0; j < 64; j++) {
                        if (!test_bit(j, &present))
                                continue;
-                        uv_blade_info[blade].pnode = (i * 64 + j);
+                        pnode = (i * 64 + j);
+                        uv_blade_info[blade].pnode = pnode;
                        uv_blade_info[blade].nr_possible_cpus = 0;
                        uv_blade_info[blade].nr_online_cpus = 0;
+                        max_pnode = max(pnode, max_pnode);
                        blade++;
                }
        }
@@ -738,7 +740,6 @@ void __init uv_system_init(void)
                uv_cpu_hub_info(cpu)->scir.offset = uv_scir_offset(apicid);
                uv_node_to_blade[nid] = blade;
                uv_cpu_to_blade[cpu] = blade;
-                max_pnode = max(pnode, max_pnode);
        }
        /* Add blade/pnode info for nodes without cpus */
@@ -750,7 +751,6 @@ void __init uv_system_init(void)
                pnode = (paddr >> m_val) & pnode_mask;
                blade = boot_pnode_to_blade(pnode);
                uv_node_to_blade[nid] = blade;
-                max_pnode = max(pnode, max_pnode);
        }
        map_gru_high(max_pnode);
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 490dac63c2d2..f2f9ac7da25c 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -545,7 +545,7 @@ void __cpuinit cpu_detect(struct cpuinfo_x86 *c)
        }
 }
-static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
+void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
 {
        u32 tfms, xlvl;
        u32 ebx;
diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h
index 3624e8a0f71b..f668bb1f7d43 100644
--- a/arch/x86/kernel/cpu/cpu.h
+++ b/arch/x86/kernel/cpu/cpu.h
@@ -33,5 +33,6 @@ extern const struct cpu_dev *const __x86_cpu_dev_start[],
                            *const __x86_cpu_dev_end[];
 extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
+extern void get_cpu_cap(struct cpuinfo_x86 *c);
 #endif
diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
index 994230d4dc4e..4f6f679f2799 100644
--- a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
@@ -368,16 +368,22 @@ static int __init pcc_cpufreq_do_osc(acpi_handle *handle)
                return -ENODEV;
        out_obj = output.pointer;
-        if (out_obj->type != ACPI_TYPE_BUFFER)
+        if (out_obj->type != ACPI_TYPE_BUFFER) {
-                return -ENODEV;
+                ret = -ENODEV;
+                goto out_free;
+        }
        errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
-        if (errors)
+        if (errors) {
-                return -ENODEV;
+                ret = -ENODEV;
+                goto out_free;
+        }
        supported = *((u32 *)(out_obj->buffer.pointer + 4));
-        if (!(supported & 0x1))
+        if (!(supported & 0x1)) {
-                return -ENODEV;
+                ret = -ENODEV;
+                goto out_free;
+        }
 out_free:
        kfree(output.pointer);
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 85f69cdeae10..b4389441efbb 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -39,6 +39,7 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
                        misc_enable &= ~MSR_IA32_MISC_ENABLE_LIMIT_CPUID;
                        wrmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
                        c->cpuid_level = cpuid_eax(0);
+                        get_cpu_cap(c);
                }
        }
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 3efdf2870a35..03a5b0385ad6 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -102,6 +102,7 @@ struct cpu_hw_events {
         */
        struct perf_event       *events[X86_PMC_IDX_MAX]; /* in counter order */
        unsigned long           active_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
+        unsigned long           running[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
        int                     enabled;
        int                     n_events;
@@ -1010,6 +1011,7 @@ static int x86_pmu_start(struct perf_event *event)
        x86_perf_event_set_period(event);
        cpuc->events[idx] = event;
        __set_bit(idx, cpuc->active_mask);
+        __set_bit(idx, cpuc->running);
        x86_pmu.enable(event);
        perf_event_update_userpage(event);
@@ -1141,8 +1143,16 @@ static int x86_pmu_handle_irq(struct pt_regs *regs)
        cpuc = &__get_cpu_var(cpu_hw_events);
        for (idx = 0; idx < x86_pmu.num_counters; idx++) {
-                if (!test_bit(idx, cpuc->active_mask))
+                if (!test_bit(idx, cpuc->active_mask)) {
+                        /*
+                         * Though we deactivated the counter some cpus
+                         * might still deliver spurious interrupts still
+                         * in flight. Catch them:
+                         */
+                        if (__test_and_clear_bit(idx, cpuc->running))
+                                handled++;
                        continue;
+                }
                event = cpuc->events[idx];
                hwc = &event->hw;
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index b560db3305be..249015173992 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -660,8 +660,12 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
        for (idx = 0; idx < x86_pmu.num_counters; idx++) {
                int overflow;
-                if (!test_bit(idx, cpuc->active_mask))
+                if (!test_bit(idx, cpuc->active_mask)) {
+                        /* catch in-flight IRQs */
+                        if (__test_and_clear_bit(idx, cpuc->running))
+                                handled++;
                        continue;
+                }
                event = cpuc->events[idx];
                hwc = &event->hw;
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 34b4dad6f0b8..d49079515122 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -31,6 +31,7 @@ void __cpuinit init_scattered_cpuid_features(struct cpuinfo_x86 *c)
        const struct cpuid_bit *cb;
        static const struct cpuid_bit __cpuinitconst cpuid_bits[] = {
+                { X86_FEATURE_DTS,              CR_EAX, 0, 0x00000006, 0 },
                { X86_FEATURE_IDA,              CR_EAX, 1, 0x00000006, 0 },
                { X86_FEATURE_ARAT,             CR_EAX, 2, 0x00000006, 0 },
                { X86_FEATURE_PLN,              CR_EAX, 4, 0x00000006, 0 },
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index e5cc7e82e60d..ebdb85cf2686 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -18,7 +18,6 @@
 #include <asm/apic.h>
 #include <asm/iommu.h>
 #include <asm/gart.h>
-#include <asm/hpet.h>
 static void __init fix_hypertransport_config(int num, int slot, int func)
 {
@@ -192,21 +191,6 @@ static void __init ati_bugs_contd(int num, int slot, int func)
 }
 #endif
-/*
- * Force the read back of the CMP register in hpet_next_event()
- * to work around the problem that the CMP register write seems to be
- * delayed. See hpet_next_event() for details.
- *
- * We do this on all SMBUS incarnations for now until we have more
- * information about the affected chipsets.
- */
-static void __init ati_hpet_bugs(int num, int slot, int func)
-{
-#ifdef CONFIG_HPET_TIMER
-        hpet_readback_cmp = 1;
-#endif
-}
 #define QFLAG_APPLY_ONCE        0x1
 #define QFLAG_APPLIED           0x2
 #define QFLAG_DONE              (QFLAG_APPLY_ONCE|QFLAG_APPLIED)
@@ -236,8 +220,6 @@ static struct chipset early_qrk[] __initdata = {
          PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs },
        { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS,
          PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_bugs_contd },
-        { PCI_VENDOR_ID_ATI, PCI_ANY_ID,
-          PCI_CLASS_SERIAL_SMBUS, PCI_ANY_ID, 0, ati_hpet_bugs },
        {}
 };
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 351f9c0fea1f..7494999141b3 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -35,7 +35,6 @@
 unsigned long                           hpet_address;
 u8                                      hpet_blockid; /* OS timer block num */
 u8                                      hpet_msi_disable;
-u8                                      hpet_readback_cmp;
 #ifdef CONFIG_PCI_MSI
 static unsigned long                    hpet_num_timers;
@@ -395,23 +394,27 @@ static int hpet_next_event(unsigned long delta,
         * at that point and we would wait for the next hpet interrupt
         * forever. We found out that reading the CMP register back
         * forces the transfer so we can rely on the comparison with
-         * the counter register below.
+         * the counter register below. If the read back from the
+         * compare register does not match the value we programmed
+         * then we might have a real hardware problem. We can not do
+         * much about it here, but at least alert the user/admin with
+         * a prominent warning.
         *
-         * That works fine on those ATI chipsets, but on newer Intel
+         * An erratum on some chipsets (ICH9,..), results in
-         * chipsets (ICH9...) this triggers due to an erratum: Reading
+         * comparator read immediately following a write returning old
-         * the comparator immediately following a write is returning
+         * value. Workaround for this is to read this value second
-         * the old value.
+         * time, when first read returns old value.
         *
-         * We restrict the read back to the affected ATI chipsets (set
+         * In fact the write to the comparator register is delayed up
-         * by quirks) and also run it with hpet=verbose for debugging
+         * to two HPET cycles so the workaround we tried to restrict
-         * purposes.
+         * the readback to those known to be borked ATI chipsets
+         * failed miserably. So we give up on optimizations forever
+         * and penalize all HPET incarnations unconditionally.
         */
-        if (hpet_readback_cmp || hpet_verbose) {
+        if (unlikely((u32)hpet_readl(HPET_Tn_CMP(timer)) != cnt)) {
-                u32 cmp = hpet_readl(HPET_Tn_CMP(timer));
+                if (hpet_readl(HPET_Tn_CMP(timer)) != cnt)
-                if (cmp != cnt)
                        printk_once(KERN_WARNING
-                            "hpet: compare register read back failed.\n");
+                                "hpet: compare register read back failed.\n");
        }
        return (s32)(hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0;
@@ -503,7 +506,7 @@ static int hpet_assign_irq(struct hpet_dev *dev)
 {
        unsigned int irq;
-        irq = create_irq();
+        irq = create_irq_nr(0, -1);
        if (!irq)
                return -EINVAL;
diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index a474ec37c32f..ff15c9dcc25d 100644
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -206,11 +206,27 @@ int arch_check_bp_in_kernelspace(struct perf_event *bp)
 int arch_bp_generic_fields(int x86_len, int x86_type,
                           int *gen_len, int *gen_type)
 {
-        /* Len */
+        /* Type */
-        switch (x86_len) {
+        switch (x86_type) {
-        case X86_BREAKPOINT_LEN_X:
+        case X86_BREAKPOINT_EXECUTE:
+                if (x86_len != X86_BREAKPOINT_LEN_X)
+                        return -EINVAL;
+                *gen_type = HW_BREAKPOINT_X;
                *gen_len = sizeof(long);
+                return 0;
+        case X86_BREAKPOINT_WRITE:
+                *gen_type = HW_BREAKPOINT_W;
                break;
+        case X86_BREAKPOINT_RW:
+                *gen_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R;
+                break;
+        default:
+                return -EINVAL;
+        }
+        /* Len */
+        switch (x86_len) {
        case X86_BREAKPOINT_LEN_1:
                *gen_len = HW_BREAKPOINT_LEN_1;
                break;
@@ -229,21 +245,6 @@ int arch_bp_generic_fields(int x86_len, int x86_type,
                return -EINVAL;
        }
-        /* Type */
-        switch (x86_type) {
-        case X86_BREAKPOINT_EXECUTE:
-                *gen_type = HW_BREAKPOINT_X;
-                break;
-        case X86_BREAKPOINT_WRITE:
-                *gen_type = HW_BREAKPOINT_W;
-                break;
-        case X86_BREAKPOINT_RW:
-                *gen_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R;
-                break;
-        default:
-                return -EINVAL;
-        }
        return 0;
 }
@@ -316,9 +317,6 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
        ret = -EINVAL;
        switch (info->len) {
-        case X86_BREAKPOINT_LEN_X:
-                align = sizeof(long) -1;
-                break;
        case X86_BREAKPOINT_LEN_1:
                align = 0;
                break;
diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c
index e0bc186d7501..1c355c550960 100644
--- a/arch/x86/kernel/module.c
+++ b/arch/x86/kernel/module.c
@@ -239,11 +239,10 @@ int module_finalize(const Elf_Ehdr *hdr,
                apply_paravirt(pseg, pseg + para->sh_size);
        }
-        return module_bug_finalize(hdr, sechdrs, me);
+        return 0;
 }
 void module_arch_cleanup(struct module *mod)
 {
        alternatives_smp_module_del(mod);
-        module_bug_cleanup(mod);
 }
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 9257510b4836..9d5f55848455 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -324,9 +324,8 @@ static void lguest_load_gdt(const struct desc_ptr *desc)
 }
 /*
- * For a single GDT entry which changes, we do the lazy thing: alter our GDT,
+ * For a single GDT entry which changes, we simply change our copy and
- * then tell the Host to reload the entire thing.  This operation is so rare
+ * then tell the host about it.
- * that this naive implementation is reasonable.
 */
 static void lguest_write_gdt_entry(struct desc_struct *dt, int entrynum,
                                   const void *desc, int type)
@@ -338,9 +337,13 @@ static void lguest_write_gdt_entry(struct desc_struct *dt, int entrynum,
 }
 /*
- * OK, I lied.  There are three "thread local storage" GDT entries which change
+ * There are three "thread local storage" GDT entries which change
 * on every context switch (these three entries are how glibc implements
- * __thread variables).  So we have a hypercall specifically for this case.
+ * __thread variables).  As an optimization, we have a hypercall
+ * specifically for this case.
+ *
+ * Wouldn't it be nicer to have a general LOAD_GDT_ENTRIES hypercall
+ * which took a range of entries?
 */
 static void lguest_load_tls(struct thread_struct *t, unsigned int cpu)
 {
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index cfe4faabb0f6..f1575c9a2572 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -671,7 +671,10 @@ static int __init ppro_init(char **cpu_type)
        case 14:
                *cpu_type = "i386/core";
                break;
-        case 15: case 23:
+        case 0x0f:
+        case 0x16:
+        case 0x17:
+        case 0x1d:
                *cpu_type = "i386/core_2";
                break;
        case 0x1a:
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 1a5353a753fc..b2bb5aa3b054 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -489,8 +489,9 @@ static void xen_hvm_setup_cpu_clockevents(void)
 __init void xen_hvm_init_time_ops(void)
 {
        /* vector callback is needed otherwise we cannot receive interrupts
-         * on cpu > 0 */
+         * on cpu > 0 and at this point we don't know how many cpus are
-        if (!xen_have_vector_callback && num_present_cpus() > 1)
+         * available */
+        if (!xen_have_vector_callback)
                return;
        if (!xen_feature(XENFEAT_hvm_safe_pvclock)) {
                printk(KERN_INFO "Xen doesn't support pvclock on HVM,"