Re: [patch 2/2] x86 NMI-safe INT3 and Page Fault

Andi Kleen
2010-07-16T22:41:43Z

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