[tip: timers/core] posix-timers: Remove pointless irqsafe from hash_lock

tip-bot2 for Thomas Gleixner
2023-06-05T15:09:42Z

The following commit has been merged into the timers/core branch of tip:

Commit-ID: 032c960ac9f3d64487423e0e01a0fb7327509595
Gitweb: https://git.kernel.org/tip/032c960ac9f3d64487423e0e01a0fb7327509595
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Tue, 25 Apr 2023 20:49:08 +02:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Mon, 05 Jun 2023 17:03:37 +02:00

posix-timers: Remove pointless irqsafe from hash_lock

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>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lore.kernel.org/r/20230425183313.249063953@linutronix.de

---
kernel/time/posix-timers.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index e8d877f..d8d4cdf 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -471,10 +471,9 @@ static void k_itimer_rcu_free(struct rcu_head *head)
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);