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authorDavid S. Miller <davem@sunset.davemloft.net>2007-05-08 18:25:14 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-05-08 18:25:14 -0700
commit127cda1e8cc282de1ca7a9dcc3866841977b9fcc (patch)
tree800169fa92dc96160044d914ca1ca9fea60339ea /arch/sparc64/kernel/kprobes.c
parent6c1142602c9c8faedbc1321892a169652a173fc7 (diff)
[SPARC64]: Optimize fault kprobe handling just like powerpc.
And eliminate DIE_GPF while we're at it. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/kprobes.c')
-rw-r--r--arch/sparc64/kernel/kprobes.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c
index a44fe47a3c2..c93a15b785f 100644
--- a/arch/sparc64/kernel/kprobes.c
+++ b/arch/sparc64/kernel/kprobes.c
@@ -313,7 +313,7 @@ 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();
@@ -403,15 +403,6 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
if (post_kprobe_handler(args->regs))
ret = NOTIFY_STOP;
break;
- case DIE_GPF:
- 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;
}