Messages in this thread | | | Date | Tue, 30 Dec 2008 07:28:12 +0100 | From | Ingo Molnar <> | Subject | Re: [RFC][PATCH] Fix cpu hotplug hang |
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* Nathan Lynch <ntl@pobox.com> wrote:
> Sebastien Dugue wrote: > > On Mon, 1 Dec 2008 14:09:07 +0100 Sebastien Dugue <sebastien.dugue@bull.net> wrote: > > > > > > > > here is a patch that fixes a CPU hotplug hang I get on a Power6 > > > box. It may not be the only possible fix but it appears to be the > > > cleanest I can think of at the moment. > > > > > > Comments welcomed. > > > > Ingo, Thomas, anybody care to comment on the hang and this possible fix? > > FWIW, I was able to recreate this hang with 2.6.28 on a 8-way Power5 > system, and Sebastien's patch does appear to fix the problem for my > testcase, which does a few hundred offline/online operations.
i've applied Sebastien's patch to tip/timers/hrtimers. Good catch! I've also tagged it for a -stable backport.
Ingo
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