Messages in this thread | | | Date | Thu, 14 Mar 2013 08:20:19 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 13/14] x86/UV: Update UV support for external NMI signals |
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* Mike Travis <travis@sgi.com> wrote:
> > There is an exception where the NMI_LOCAL notifier chain is used. When > the perf tools are in use, it's possible that our NMI was captured by > some other NMI handler and then ignored. We set a per_cpu flag for > those CPUs that ignored the initial NMI, and then send them an IPI NMI > signal.
"Other" NMI handlers should never lose NMIs - if they do then they should be fixed I think.
Thanks,
Ingo
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