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hrtimers: fix warning in kernel/hrtimer.c

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this warning:

  kernel/hrtimer.c: In function ‘hrtimer_cpu_notify’:
  kernel/hrtimer.c:1574: warning: unused variable ‘dcpu’

is caused because 'dcpu' is only used in the CONFIG_HOTPLUG_CPU case.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-12-19 00:48:27 +01:00
parent a0a99b227d
commit b2e3c0adec
1 changed files with 5 additions and 1 deletions
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6
kernel/hrtimer.c
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@ -1571,7 +1571,7 @@ static void tickle_timers(void *arg)
static int __cpuinit hrtimer_cpu_notify(struct notifier_block *self, static int __cpuinit hrtimer_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu) unsigned long action, void *hcpu)
{ {
int dcpu, scpu = (long)hcpu; int scpu = (long)hcpu;
switch (action) { switch (action) {
@ -1583,10 +1583,14 @@ static int __cpuinit hrtimer_cpu_notify(struct notifier_block *self,
#ifdef CONFIG_HOTPLUG_CPU #ifdef CONFIG_HOTPLUG_CPU
case CPU_DEAD: case CPU_DEAD:
case CPU_DEAD_FROZEN: case CPU_DEAD_FROZEN:
{
int dcpu;
clockevents_notify(CLOCK_EVT_NOTIFY_CPU_DEAD, &scpu); clockevents_notify(CLOCK_EVT_NOTIFY_CPU_DEAD, &scpu);
dcpu = migrate_hrtimers(scpu); dcpu = migrate_hrtimers(scpu);
smp_call_function_single(dcpu, tickle_timers, NULL, 0); smp_call_function_single(dcpu, tickle_timers, NULL, 0);
break; break;
}
#endif #endif
default: default: