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    SubjectRe: [PATCH 07/19] ptrace: use bit_waitqueue for TRAPPING instead of wait_chldexit
    On Tue, May 24, 2011 at 11:37 AM, Tejun Heo <> wrote:
    > +               wake_up_bit(&task->jobctl, ilog2(JOBCTL_TRAPPING));

    Why do people do this *SHIT*?

    Stop it.

    If you need the bit number, then define the damn thing in terms of bit
    numbers! Do

    #define JOBCTL_TRAPPING_BIT xxx

    but never ever do that stupid ilog2() thing. Every time I see it I go
    "ok, that's just total crap".

    Don't do it.

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