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authorHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>2009-12-03 11:33:08 +0900
committerH. Peter Anvin <hpa@zytor.com>2009-12-02 21:27:32 -0800
commitfe5ed91ddce85a0ed0e4f92c10b099873ef62167 (patch)
tree3ca148c39006ea48496a4a077a09bbe7a4dd6939
parentb8b7d791a8ff01d2380089279a69afa99115fb23 (diff)
x86, mce: don't restart timer if disabled
Even it is in error path unlikely taken, add_timer_on() at CPU_DOWN_FAILED* needs to be skipped if mce_timer is disabled. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Jan Beulich <jbeulich@novell.com> Cc: <stable@kernel.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 721a77ca8115..4825a3d6eb40 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1991,9 +1991,11 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
break;
case CPU_DOWN_FAILED:
case CPU_DOWN_FAILED_FROZEN:
- t->expires = round_jiffies(jiffies +
+ if (!mce_ignore_ce && check_interval) {
+ t->expires = round_jiffies(jiffies +
__get_cpu_var(mce_next_interval));
- add_timer_on(t, cpu);
+ add_timer_on(t, cpu);
+ }
smp_call_function_single(cpu, mce_reenable_cpu, &action, 1);
break;
case CPU_POST_DEAD: