[PATCH 2/2] cgroup: remove synchronize_rcu() from rebind_subsystems()

[Li Zefan]

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@xxxxxxxxxx>
---
 kernel/cgroup.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 67b0fa0..f43c929 100644
--- 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;
 }
-- 
1.8.0.2

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