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    SubjectRe: [PATCH] cgroup: fix a race condition in manipulating tsk->cg_list
    On Wed, Apr 16, 2008 at 10:16 PM, Andrew Morton
    <> wrote:
    > > > Maybe it would be better to not do a cgroup_exit() until we're
    > > > unhashed, so that cgroup_enable_task_cg_list() can't find the exiting
    > > > task?
    > So we won't be doing what Paul suggested?

    It's not as high a priority as Li's bug fix (which may be a good
    candidate for but for the future I think I'll implement this
    distinguished css_set pointer for tasks that have finished
    cgroup_exit(), since I think it will make the similar synchronization
    in attach_task() cleaner, as well as cgroup_enable_task_cg_list().


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