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-rw-r--r--kernel/hrtimer.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index eb2cf98..b17657d 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -1395,11 +1395,15 @@ void hrtimer_peek_ahead_timers(void)
unsigned long flags;
struct tick_device *td;
struct clock_event_device *dev;
-
+ struct hrtimer_cpu_base *cpu_base;
if (hrtimer_hres_active())
return;
local_irq_save(flags);
+ cpu_base = &__get_cpu_var(hrtimer_bases);
+ if (!cpu_base->hres_active)
+ goto out;
+
td = &__get_cpu_var(tick_cpu_device);
if (!td)
goto out;
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