Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[linux-2.6] / arch / powerpc / kernel / kprobes.c

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index aed58e1cb91f04d25ce755af4df8cbcc330ebcf6..0c96611f02f4852600711f416c5d9d8b6f036b85 100644 (file)
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -401,7 +401,7 @@ out:
        return 1;
 }
 
-static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 {
        struct kprobe *cur = kprobe_running();
        struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -486,14 +486,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
                if (post_kprobe_handler(args->regs))
                        ret = NOTIFY_STOP;
                break;
-       case DIE_PAGE_FAULT:
-               /* kprobe_running() needs smp_processor_id() */
-               preempt_disable();
-               if (kprobe_running() &&
-                   kprobe_fault_handler(args->regs, args->trapnr))
-                       ret = NOTIFY_STOP;
-               preempt_enable();
-               break;
        default:
                break;
        }
@@ -550,3 +542,11 @@ int __init arch_init_kprobes(void)
 {
        return register_kprobe(&trampoline_p);
 }
+
+int __kprobes arch_trampoline_kprobe(struct kprobe *p)
+{
+       if (p->addr == (kprobe_opcode_t *)&kretprobe_trampoline)
+               return 1;
+
+       return 0;
+}