cgroup: remove synchronize_rcu() from rebind_subsystems()

Nothing's protected by RCU in rebind_subsystems(), and I can't think of a reason why it is needed. Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
git-mirror · Jan 14, 2013 · 130e369 · 130e369
1 parent 5d65bc0
commit 130e369
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
@@ -1079,7 +1079,6 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 		}
 	}
 	root->subsys_mask = root->actual_subsys_mask = final_subsys_mask;
-	synchronize_rcu();
 
 	return 0;
 }