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authorPaul Mundt <lethal@linux-sh.org>2011-05-23 11:35:33 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-05-23 11:35:33 +0900
commit8ace5c4698ec8da53e69095596718d5a936433de (patch)
tree1f5959b3ac289e3bde420cc14109be0cc518a75a /arch/x86/kernel/kprobes.c
parenta375b15164dd9264f724ad941825e52c90145151 (diff)
parent71a8638480eb8fb6cfabe2ee9ca3fbc6e3453a14 (diff)
downloadop-kernel-dev-8ace5c4698ec8da53e69095596718d5a936433de.zip
op-kernel-dev-8ace5c4698ec8da53e69095596718d5a936433de.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest
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 c969fd9..f1a6244d 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)
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