[tip: locking/core] futex: Drop leftover wake_q_add() comment

[tip-bot2 for Davidlohr Bueso]

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

Commit-ID:     751459043cc87c3f0098034b15ca5252d12539ab
Gitweb:        https://git.kernel.org/tip/751459043cc87c3f0098034b15ca5252d12539ab
Author:        Davidlohr Bueso <dave@xxxxxxxxxxxx>
AuthorDate:    Tue, 22 Oct 2019 20:34:50 -07:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 29 Oct 2019 12:22:52 +01:00

futex: Drop leftover wake_q_add() comment

Since the original comment, we have moved to do the task
reference counting explicitly along with wake_q_add_safe().
Drop the now incorrect comment.

Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: dave@xxxxxxxxxxxx
Link: https://lkml.kernel.org/r/20191023033450.6445-1-dave@xxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 kernel/futex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index bd18f60..43229f8 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1480,7 +1480,7 @@ static void mark_wake_futex(struct wake_q_head *wake_q, struct futex_q *q)
 
 	/*
 	 * Queue the task for later wakeup for after we've released
-	 * the hb->lock. wake_q_add() grabs reference to p.
+	 * the hb->lock.
 	 */
 	wake_q_add_safe(wake_q, p);
 }