From: Cyrill Gorcunov on 7 Aug 2010 17:50 On Thu, Aug 05, 2010 at 07:09:17PM +0400, Cyrill Gorcunov wrote: > In case if last active performance counter is not overflowed at > moment of NMI being triggered by another counter, the irq statistics > may miss an update stage. As a more serious consequence -- apic quirk > may not be triggered so apic lvt entry stay masked. > > Tested-by: Lin Ming <ming.m.lin(a)intel.com> > Signed-off-by: Cyrill Gorcunov <gorcunov(a)openvz.org> > CC: Lin Ming <ming.m.lin(a)intel.com> > CC: Stephane Eranian <eranian(a)google.com> > CC: Peter Zijlstra <a.p.zijlstra(a)chello.nl> > CC: Ingo Molnar <mingo(a)elte.hu> > CC: Frederic Weisbecker <fweisbec(a)gmail.com> > --- Ping? Frederic, perhaps you'll pick it up? -- Cyrill -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.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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