diff options
Diffstat (limited to 'drivers/cpuidle/cpuidle.c')
| -rw-r--r-- | drivers/cpuidle/cpuidle.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 48b7228563ad..33253930247f 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -123,6 +123,7 @@ static void enter_freeze_proper(struct cpuidle_driver *drv, * cpuidle mechanism enables interrupts and doing that with timekeeping * suspended is generally unsafe. */ + stop_critical_timings(); drv->states[index].enter_freeze(dev, drv, index); WARN_ON(!irqs_disabled()); /* @@ -131,6 +132,7 @@ static void enter_freeze_proper(struct cpuidle_driver *drv, * critical sections, so tell RCU about that. */ RCU_NONIDLE(tick_unfreeze()); + start_critical_timings(); } /** @@ -195,7 +197,9 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, trace_cpu_idle_rcuidle(index, dev->cpu); time_start = ktime_get(); + stop_critical_timings(); entered_state = target_state->enter(dev, drv, index); + start_critical_timings(); time_end = ktime_get(); trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, dev->cpu); |