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Date: Mon, 29 Dec 2008 18:17:29 -0600 From: Nathan Lynch <ntl@...ox.com> To: Sebastien Dugue <sebastien.dugue@...l.net> Cc: linux-kernel <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, Jean Pierre Dion <jean-pierre.dion@...l.net>, Will Schmidt <will_schmidt@...t.ibm.com>, Gilles Carry <Gilles.Carry@....bull.net>, Paul Mackerras <paulus@...ba.org> Subject: Re: [RFC][PATCH] Fix cpu hotplug hang Sebastien Dugue wrote: > On Mon, 1 Dec 2008 14:09:07 +0100 Sebastien Dugue <sebastien.dugue@...l.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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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