From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 26 Mar 2021 15:29:42 +0000 (+0100)
Subject: locking/rtmutex: Fix misleading comment in rt_mutex_postunlock()
X-Git-Tag: io_uring-5.13-2021-05-07~36^2~7
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=82cd5b1039e26b1b1254886464991e34de439ac5;p=linux-block.git

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@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210326153944.341734608@linutronix.de
---

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 7d0c16871033..512b400bd961 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1305,7 +1305,7 @@ 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();
 }