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    SubjectRe: [PATCH] fix send_sigqueue() vs thread exit race
    Thomas Gleixner wrote:
    >
    > arm timer
    > exit
    > timer event

    I think there is another bug here.

    CPU_0 CPU_1

    release_task: posix_timer_fn:
    write_lock(tasklist); lock(timer->it_lock);

    exit_timers: send_sigxxx();
    lock(timer->it_lock) read_lock(tasklist);

    Deadlock.

    Dear cc-list, what do you think?

    Oleg.
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