diff options
| -rw-r--r-- | drivers/cpuidle/driver.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index 136d6a283e0a..9634f20e3926 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -187,8 +187,11 @@ static int poll_idle(struct cpuidle_device *dev, t1 = ktime_get(); local_irq_enable(); - while (!need_resched()) - cpu_relax(); + if (!current_set_polling_and_test()) { + while (!need_resched()) + cpu_relax(); + } + current_clr_polling(); t2 = ktime_get(); diff = ktime_to_us(ktime_sub(t2, t1)); |