Merge /spare/repo/linux-2.6/

[linux-2.6] / arch / arm / kernel / traps.c

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 2fb0a4cfb37a4af48c2365d500608ef871197e1a..4554c961251c5871e0a05a2c6a74d1f660d0af73 100644 (file)
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -230,16 +230,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
        do_exit(SIGSEGV);
 }
 
-void die_if_kernel(const char *str, struct pt_regs *regs, int err)
-{
-       if (user_mode(regs))
-               return;
-
-       die(str, regs, err);
-}
-
-static void notify_die(const char *str, struct pt_regs *regs, siginfo_t *info,
-                      unsigned long err, unsigned long trap)
+void notify_die(const char *str, struct pt_regs *regs, struct siginfo *info,
+               unsigned long err, unsigned long trap)
 {
        if (user_mode(regs)) {
                current->thread.error_code = err;
@@ -256,16 +248,20 @@ static DEFINE_SPINLOCK(undef_lock);
 
 void register_undef_hook(struct undef_hook *hook)
 {
-       spin_lock_irq(&undef_lock);
+       unsigned long flags;
+
+       spin_lock_irqsave(&undef_lock, flags);
        list_add(&hook->node, &undef_hook);
-       spin_unlock_irq(&undef_lock);
+       spin_unlock_irqrestore(&undef_lock, flags);
 }
 
 void unregister_undef_hook(struct undef_hook *hook)
 {
-       spin_lock_irq(&undef_lock);
+       unsigned long flags;
+
+       spin_lock_irqsave(&undef_lock, flags);
        list_del(&hook->node);
-       spin_unlock_irq(&undef_lock);
+       spin_unlock_irqrestore(&undef_lock, flags);
 }
 
 asmlinkage void do_undefinstr(struct pt_regs *regs)
@@ -621,7 +617,7 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs)
        notify_die("unknown data abort code", regs, &info, instr, 0);
 }
 
-volatile void __bug(const char *file, int line, void *data)
+void __attribute__((noreturn)) __bug(const char *file, int line, void *data)
 {
        printk(KERN_CRIT"kernel BUG at %s:%d!", file, line);
        if (data)