summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/kprobes.c
diff options
context:
space:
mode:
authorChris Metcalf <cmetcalf@tilera.com>2011-05-26 11:52:04 -0400
committerChris Metcalf <cmetcalf@tilera.com>2011-05-26 11:52:04 -0400
commit7a0287df3e83a0012dfc496d4a8af9c1c5b126ef (patch)
tree27cc2f768de7e9014ffa899117bf219d0f20fb5e /arch/x86/kernel/kprobes.c
parent6738d3210aabe3016a1b03cd98a7fc479c229197 (diff)
parent61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff)
downloadtalos-op-linux-7a0287df3e83a0012dfc496d4a8af9c1c5b126ef.tar.gz
talos-op-linux-7a0287df3e83a0012dfc496d4a8af9c1c5b126ef.zip
Merge tag 'v2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'arch/x86/kernel/kprobes.c')
-rw-r--r--arch/x86/kernel/kprobes.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index c969fd9d1566..f1a6244d7d93 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -1183,12 +1183,13 @@ static void __kprobes optimized_callback(struct optimized_kprobe *op,
struct pt_regs *regs)
{
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+ unsigned long flags;
/* This is possible if op is under delayed unoptimizing */
if (kprobe_disabled(&op->kp))
return;
- preempt_disable();
+ local_irq_save(flags);
if (kprobe_running()) {
kprobes_inc_nmissed_count(&op->kp);
} else {
@@ -1207,7 +1208,7 @@ static void __kprobes optimized_callback(struct optimized_kprobe *op,
opt_pre_handler(&op->kp, regs);
__this_cpu_write(current_kprobe, NULL);
}
- preempt_enable_no_resched();
+ local_irq_restore(flags);
}
static int __kprobes copy_optimized_instructions(u8 *dest, u8 *src)
OpenPOWER on IntegriCloud