linux-kernel - [PATCH 6/7] workqueue: init 0 for idle

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Message-Id: <1346090307-3020-7-git-send-email-laijs@cn.fujitsu.com>
Date:	Tue, 28 Aug 2012 01:58:26 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org
Cc:	Lai Jiangshan <laijs@...fujitsu.com>
Subject: [PATCH 6/7] workqueue: init 0 for idle_rebind.cnt

Access idle_rebind.cnt is always protected by gcwq->lock,
don't need to init it as 1.

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
---
 kernel/workqueue.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index ed23c9a..9f38a65 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1394,7 +1394,7 @@ static void rebind_workers(struct global_cwq *gcwq)
 	 * us to finish up by competing on pool->manager_mutex.
 	 */
 	init_completion(&idle_rebind.done);
-	idle_rebind.cnt = 1;
+	idle_rebind.cnt = 0;
 	INIT_COMPLETION(idle_rebind.done);
 
 	/* set REBIND and kick idle ones, we'll wait for these later */
@@ -1435,7 +1435,7 @@ static void rebind_workers(struct global_cwq *gcwq)
 	}
 
 	/* waiting for all idle workers to be rebound */
-	if (--idle_rebind.cnt) {
+	if (idle_rebind.cnt) {
 		spin_unlock_irq(&gcwq->lock);
 		wait_for_completion(&idle_rebind.done);
 		spin_lock_irq(&gcwq->lock);
-- 
1.7.4.4

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