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    SubjectRe: [PATCH 07/16] signal: Wake up the designated parent
    On 05/24, Oleg Nesterov wrote:
    >
    > I fail to understand this patch...
    >
    > On 05/18, Eric W. Biederman wrote:
    > >
    > > Today if a process is ptraced only the ptracer will ever be woken up in
    > > wait
    >
    > and why is this wrong?
    >
    > > Fixes: 75b95953a569 ("job control: Add @for_ptrace to do_notify_parent_cldstop()")
    >
    > how does this change fix 75b95953a569?

    OK, I guess you mean the 2nd do_notify_parent_cldstop() in ptrace_stop(),
    the problematic case is current->ptrace == T. Right?

    I dislike this patch anyway, but let me think more about it.

    Oleg.

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