In the case where cpuidle_idle_call() returns before changing state due to a need_resched(), it was returning with IRQs disabled.
This patch ensures IRQs are (re)enabled before returning. Reported-by: Hemanth V <[email protected]> Signed-off-by: Kevin Hilman <[email protected]> --- drivers/cpuidle/cpuidle.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index ad41f19..12fdd39 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -76,8 +76,11 @@ static void cpuidle_idle_call(void) #endif /* ask the governor for the next state */ next_state = cpuidle_curr_governor->select(dev); - if (need_resched()) + if (need_resched()) { + local_irq_enable(); return; + } + target_state = &dev->states[next_state]; /* enter the state and update stats */ -- 1.6.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
