lkml.org 
[lkml]   [2013]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 13/14] x86/UV: Update UV support for external NMI signals

* 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


\
 
 \ /
  Last update: 2013-03-14 09:01    [W:0.095 / U:0.368 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site