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    SubjectRe: [patch] hrtimers debug patch

    * Michal Piotrowski <michal.k.k.piotrowski@gmail.com> wrote:

    > > thanks! I have stared at hrtimer.c a few more hours and the good
    > > news is that i found a narrow SMP race. The bad news is that i dont
    > > think it could explain your bug symptoms: the worst-case effect of
    > > the race should be an incorrect timeout on the current CPU - not a
    > > KTIME_MAX thing like your logs show.
    > >
    > > But maybe i didnt think through the effects of the bug well enough,
    > > and your box has a HT CPU, with HT CPUs being pretty good at
    > > triggering narrow SMP races - so maybe we are lucky? Fix attached
    > > below. Patch is build and boot-tested.
    >
    > I didn't see this weird hang for 12 days. I think that this patch
    > solves this issue.

    cool :)

    > Huge thans!

    huge thanks to you for testing it!

    Ingo
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