linux-kernel - [PATCH v4] futex: Clarify comment at futex_wait_multiple

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Message-Id: <20211209171404.478-1-6812skiii@gmail.com>
Date:   Fri, 10 Dec 2021 02:14:04 +0900
From:   6812skiii@...il.com
To:     tglx@...utronix.de, mingo@...hat.com
Cc:     peterz@...radead.org, dvhart@...radead.org, dave@...olabs.net,
        andrealmeid@...labora.com, linux-kernel@...r.kernel.org,
        Jangwoong Kim <6812skiii@...il.com>
Subject: [PATCH v4] futex: Clarify comment at futex_wait_multiple_setup()

From: Jangwoong Kim <6812skiii@...il.com>

Signed-off-by: Jangwoong Kim <6812skiii@...il.com>
---
 kernel/futex/waitwake.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/futex/waitwake.c b/kernel/futex/waitwake.c
index 4ce0923f1ce3..c7a14ebfe61d 100644
--- a/kernel/futex/waitwake.c
+++ b/kernel/futex/waitwake.c
@@ -454,9 +454,9 @@ static int futex_wait_multiple_setup(struct futex_vector *vs, int count, int *wo
 		__set_current_state(TASK_RUNNING);
 
 		/*
-		 * Even if something went wrong, if we find out that a futex
-		 * was woken, we don't return error and return this index to
-		 * userspace
+		 * Even if something went wrong, if we find out that any futex
+		 * was woken, we don't return error and return the index of the
+		 * last futex awaken to userspace
 		 */
 		*woken = unqueue_multiple(vs, i);
 		if (*woken >= 0)
-- 
2.25.1