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    SubjectRe: [PATCH] cgroup_freezer: fix freezing groups with stopped tasks
    On Thu 17-11-11 11:14:53, Tomasz Buchert wrote:
    > Hi,
    > I'm trying to understand now why I did that change in
    > 2d3cbf8bc (the bug itself was in the if-the-else clause in
    > update_if_frozen , anyway).
    > Well, when I look at this now I think that there is nothing wrong
    > with your patch.
    > You can try my testcases from 2d3cbf8bc and 0bdba580, but it should be ok.

    Yes, I have tried it before sending the patch.

    > One thing I am not sure completely of is the following situation. So
    > the group is frozen
    > with the STOPPED task inside. There are few questions:
    > * if you send SIGCONT to the task now, will it wake up?

    No, it will enter refrigerator and wake up on thawing the group. Check
    out `goto relock' after do_signal_stop returns.

    Michal Hocko
    SUSE Labs
    SUSE LINUX s.r.o.
    Lihovarska 1060/12
    190 00 Praha 9
    Czech Republic

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