From 442f4117b2e9ed8ebcfbf0e79782a1670c70a518 Mon Sep 17 00:00:00 2001
From: Li Zefan <lizefan@huawei.com>
Date: Mon, 14 Jan 2013 17:23:26 +0800
Subject: [PATCH] --- yaml --- r: 350321 b: refs/heads/master c:
 5d65bc0ca1bceb73204dab943922ba3c83276a8c h: refs/heads/master i:   350319:
 1f6fdb108deb6a0efcd352d09866874dc12f0063 v: v3

---
 [refs]                | 2 +-
 trunk/kernel/cgroup.c | 2 --
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index fcb1b4f8ca2f..0c7f154b8912 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0ac801fe07374148714b5ef53df90ac5b1673c0c
+refs/heads/master: 5d65bc0ca1bceb73204dab943922ba3c83276a8c
diff --git a/trunk/kernel/cgroup.c b/trunk/kernel/cgroup.c
index 54b39081ac04..ce27351e9249 100644
--- a/trunk/kernel/cgroup.c
+++ b/trunk/kernel/cgroup.c
@@ -1974,7 +1974,6 @@ int cgroup_attach_task(struct cgroup *cgrp, struct task_struct *tsk)
 			ss->attach(cgrp, &tset);
 	}
 
-	synchronize_rcu();
 out:
 	if (retval) {
 		for_each_subsys(root, ss) {
@@ -2143,7 +2142,6 @@ static int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 	/*
 	 * step 5: success! and cleanup
 	 */
-	synchronize_rcu();
 	retval = 0;
 out_put_css_set_refs:
 	if (retval) {