diff mbox series

[RT,5/9] timers: Keep interrupts disabled for TIMER_IRQSAFE timer.

Message ID 20221024104425.16423-6-wagi@monom.org
State New
Headers show
Series Linux v4.19.255-rt114-rc1 | expand

Commit Message

Daniel Wagner Oct. 24, 2022, 10:44 a.m. UTC 
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

v4.19.255-rt114-rc1 stable review patch.
If anyone has any objections, please let me know.

-----------


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 <bigeasy@linutronix.de>
Signed-off-by: Daniel Wagner <wagi@monom.org>
---
 kernel/time/timer.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

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;