[tip: locking/core] locking/rtmutex: Fix misleading comment in rt_mutex_postunlock()

[tip-bot2 for Thomas Gleixner]

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

Commit-ID:     5677c86221d14c18c6edea59d8f0f02e36e2b2db
Gitweb:        https://git.kernel.org/tip/5677c86221d14c18c6edea59d8f0f02e36e2b2db
Author:        Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate:    Tue, 23 Mar 2021 22:30:32 +01:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Wed, 24 Mar 2021 08:08:16 +01:00

locking/rtmutex: Fix misleading comment in rt_mutex_postunlock()

Preemption is disabled in mark_wakeup_next_waiter() not in
rt_mutex_slowunlock().

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210323213708.809432652@xxxxxxxxxxxxx
---
 kernel/locking/rtmutex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 3612821..bece7aa 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1399,7 +1399,7 @@ void __sched rt_mutex_postunlock(struct wake_q_head *wake_q)
 {
 	wake_up_q(wake_q);
 
-	/* Pairs with preempt_disable() in rt_mutex_slowunlock() */
+	/* Pairs with preempt_disable() in mark_wakeup_next_waiter() */
 	preempt_enable();
 }