[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1409869842-10807-2-git-send-email-xiyou.wangcong@gmail.com>
Date: Thu, 4 Sep 2014 15:30:42 -0700
From: Cong Wang <xiyou.wangcong@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Cong Wang <xiyou.wangcong@...il.com>,
David Rientjes <rientjes@...gle.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>, Tejun Heo <tj@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Michal Hocko <mhocko@...e.cz>
Subject: [Patch v4 2/2] freezer: remove obsolete comments in __thaw_task()
__thaw_task() no longer clears frozen flag since commit a3201227f803
(freezer: make freezing() test freeze conditions in effect instead of TIF_FREEZE).
Cc: David Rientjes <rientjes@...gle.com>
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: Tejun Heo <tj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Michal Hocko <mhocko@...e.cz>
Reviewed-by: Michal Hocko <mhocko@...e.cz>
Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>
---
kernel/freezer.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/kernel/freezer.c b/kernel/freezer.c
index dbcb87c..438ecca 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -161,12 +161,6 @@ void __thaw_task(struct task_struct *p)
{
unsigned long flags;
- /*
- * Clear freezing and kick @p if FROZEN. Clearing is guaranteed to
- * be visible to @p as waking up implies wmb. Waking up inside
- * freezer_lock also prevents wakeups from leaking outside
- * refrigerator.
- */
spin_lock_irqsave(&freezer_lock, flags);
if (frozen(p))
wake_up_process(p);
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists