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x86: mce: Split timer init 

Split timer init function into the init and the start part, so the
start part can replace the open coded version in CPU_DOWN_FAILED.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Acked-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Thomas Gleixner 2012-07-19 13:59:39 -04:00 committed by Tony Luck
parent b5975917a3
commit 26c3c283c5
1 changed files with 17 additions and 16 deletions
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33
arch/x86/kernel/cpu/mcheck/mce.c
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@ -1557,21 +1557,26 @@ static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c)
}
}
static void mce_start_timer(unsigned int cpu, struct timer_list *t)
{
unsigned long iv = check_interval * HZ;
__this_cpu_write(mce_next_interval, iv);
if (mce_ignore_ce || !iv)
return;
t->expires = round_jiffies(jiffies + iv);
add_timer_on(t, smp_processor_id());
}
static void __mcheck_cpu_init_timer(void)
{
struct timer_list *t = &__get_cpu_var(mce_timer);
unsigned long iv = check_interval * HZ;
unsigned int cpu = smp_processor_id();
setup_timer(t, mce_timer_fn, smp_processor_id());
if (mce_ignore_ce)
return;
__this_cpu_write(mce_next_interval, iv);
if (!iv)
return;
t->expires = round_jiffies(jiffies + iv);
add_timer_on(t, smp_processor_id());
setup_timer(t, mce_timer_fn, cpu);
mce_start_timer(cpu, t);
}
/* Handle unconfigured int18 (should never happen) */
@ -2277,12 +2282,8 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
break;
case CPU_DOWN_FAILED:
case CPU_DOWN_FAILED_FROZEN:
if (!mce_ignore_ce && check_interval) {
t->expires = round_jiffies(jiffies +
per_cpu(mce_next_interval, cpu));
add_timer_on(t, cpu);
}
smp_call_function_single(cpu, mce_reenable_cpu, &action, 1);
mce_start_timer(cpu, t);
break;
case CPU_POST_DEAD:
/* intentionally ignoring frozen here */