Messages in this thread | | | Subject | Re: [PATCH][GIT PULL][v3.3] x86: Test saved %rip in NMI to determine nested NMI | From | "H. Peter Anvin" <> | Date | Mon, 20 Feb 2012 09:07:47 -0800 |
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Not even all that legacy.
Ingo Molnar <mingo@elte.hu> wrote:
> >* Steven Rostedt <rostedt@goodmis.org> wrote: > >> On Mon, 2012-02-20 at 09:10 +0100, Ingo Molnar wrote: >> > > >> > > Note, it does not seem to cause any destruction, but screw up >> > > profiling. >> > >> > Except if the source of the NMI was not profiling, right? >> >> Well, what else are NMIs used for? [...] > >There's various (legacy) diagnostics NMIs on various x86 >platforms, mostly signalling some sort of deep trouble >with the hw. > >Thanks, > > Ingo
-- Sent from my mobile phone. Please excuse my brevity and lack of formatting.
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