linux-kernel - [PATCH] futex: use wake_up_process() instead of wake_up

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Message-Id: <1616122760-11790-1-git-send-email-wangqing@vivo.com>
Date:   Fri, 19 Mar 2021 10:59:20 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Darren Hart <dvhart@...radead.org>,
        linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] futex: use wake_up_process() instead of wake_up_state()

Using wake_up_process() is more simpler and friendly, 
and it is more convenient for analysis and statistics

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 kernel/futex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/futex.c b/kernel/futex.c
index e68db77..078a1f9
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1820,7 +1820,7 @@ void requeue_pi_wake_futex(struct futex_q *q, union futex_key *key,
 
 	q->lock_ptr = &hb->lock;
 
-	wake_up_state(q->task, TASK_NORMAL);
+	wake_up_process(q->task);
 }
 
 /**
-- 
2.7.4