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cgroup: remove synchronize_rcu() from rebind_subsystems()

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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>
This commit is contained in:
Li Zefan 2013-01-14 17:24:18 +08:00 committed by Tejun Heo
parent 5d65bc0ca1
commit 130e3695a3
1 changed files with 0 additions and 1 deletions
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kernel/cgroup.c
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@ -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;
}