Commit 130e3695 authored by Li Zefan's avatar Li Zefan Committed by Tejun Heo
Browse files

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: default avatarLi Zefan <lizefan@huawei.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 5d65bc0c

kernel/cgroup.c

+0 −1
Original line number Diff line number Diff line
@@ -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;

}