From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Tue, 21 Oct 2014 07:27:13 +0000 (+0200)
Subject: freezer: remove obsolete comments in __thaw_task()
X-Git-Tag: v3.18-rc2~10^2~2^2~3
X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=commitdiff_plain;h=c05eb32f472fb9f7f474c20ff6fa5bfe0cbedc05

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).

Reviewed-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/kernel/freezer.c b/kernel/freezer.c
index 8f9279b9c6d7..a8900a3bc27a 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -150,12 +150,6 @@ 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);