[patch 08/20] posix-timers: Remove pointless irqsafe from hash_lock

Thomas Gleixner
2023-04-25T18:49:35Z

All usage of hash_lock is in thread context. No point in using
spin_lock_irqsave()/irqrestore() for a single usage site.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/time/posix-timers.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -470,10 +470,9 @@ static void k_itimer_rcu_free(struct rcu
static void release_posix_timer(struct k_itimer *tmr, int it_id_set)
{
if (it_id_set) {
- unsigned long flags;
- spin_lock_irqsave(&hash_lock, flags);
+ spin_lock(&hash_lock, flags);
hlist_del_rcu(&tmr->t_hash);
- spin_unlock_irqrestore(&hash_lock, flags);
+ spin_unlock(&hash_lock, flags);
}
put_pid(tmr->it_pid);
sigqueue_free(tmr->sigq);