From: Sebastian Andrzej Siewior Date: Fri, 19 Aug 2022 11:24:42 +0200 Subject: [PATCH 344/351] timers: Keep interrupts disabled for TIMER_IRQSAFE timer. Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=c954214601502e0896ac0b81f1222879dad55393 Keep interrupts disabled across callback invocation for the TIMER_IRQSAFE as expected. This is required for the timer used by workqueue after the upcomming rework. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Daniel Wagner --- kernel/time/timer.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/time/timer.c b/kernel/time/timer.c index a2be2277506d..3e2c0bd03004 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -1397,8 +1397,7 @@ static void expire_timers(struct timer_base *base, struct hlist_head *head) fn = timer->function; - if (!IS_ENABLED(CONFIG_PREEMPT_RT_FULL) && - timer->flags & TIMER_IRQSAFE) { + if (timer->flags & TIMER_IRQSAFE) { raw_spin_unlock(&base->lock); call_timer_fn(timer, fn); base->running_timer = NULL;