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authorCong Wang <xiyou.wangcong@gmail.com>2014-10-21 09:27:13 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-10-21 23:44:20 +0200
commitc05eb32f472fb9f7f474c20ff6fa5bfe0cbedc05 (patch)
treee6f89ca67ced357a7e7294c8015077529c87af0b
parent51fae6da640edf9d266c94f36bc806c63c301991 (diff)
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>
-rw-r--r--kernel/freezer.c6
1 files changed, 0 insertions, 6 deletions
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);