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    SubjectRe: [PATCH 2/2] cgroup: Walk task list under tasklist_lock in cgroup_enable_task_cg_list
    On Tue, Feb 21, 2012 at 05:06:23PM -0800, Tejun Heo wrote:
    > On Wed, Feb 22, 2012 at 02:04:34AM +0100, Frederic Weisbecker wrote:
    > > > Guys, this is one time thing. It happens *once* after boot and we're
    > > > already holding exclusive lock. There's no reason to optimize this at
    > > > all. Let's just keep it simple.
    > >
    > > For now I agree. But one day the real time guys might eye that thing.
    >
    > If the latency issue ever comes up, I think the right thing to do is
    > just disable the lazy optimization. ie. Just chain tasks from the
    > beginning.

    Yeah agreed.


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