Messages in this thread | | | Date | Sat, 17 Jul 2010 00:41:40 +0200 | From | Andi Kleen <> | Subject | Re: [patch 2/2] x86 NMI-safe INT3 and Page Fault |
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On Fri, Jul 16, 2010 at 03:26:32PM -0700, Linus Torvalds wrote: > On Fri, Jul 16, 2010 at 3:07 PM, Andi Kleen <andi@firstfloor.org> wrote: > > > > One issue I have with nesting NMIs is that you need > > a nesting limit, otherwise you'll overflow the NMI stack. > > Have you actually looked at the suggestion I (and now Mathieu) > suggested code for?
Maybe I'm misunderstanding everything (and it has been a lot of emails in the thread), but the case I was thinking of would be if the second NMI faults too, and then another one comes in after the IRET etc.
-Andi
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