The following commit has been merged into the timers/core branch of tip:
Commit-ID: 11fbe6cd41210c7b5173257158a22e11e225622d
Gitweb: https://git.kernel.org/tip/11fbe6cd41210c7b5173257158a22e11e225622d
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 25 Apr 2023 20:49:08 +02:00
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Sun, 18 Jun 2023 22:41:49 +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@xxxxxxxxxxxxx>
Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230425183313.249063953@xxxxxxxxxxxxx
---
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 c1b77c5..ed7d260 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);
|