Re: [RFC 0/9] mce recovery for Sandy Bridge server

[Linus Torvalds]

On Tue, May 24, 2011 at 2:24 PM, Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:
>
> Right, so you can't do things like that from NMI context, but what perf
> can do is raise a self-IPI and continue from IRQ context (question for
> the HW folks, can there be cycles between the NMI iret and IRQ assert
> from whatever context was before the NMI hit?)

Of course there can be - the code where the NMI hit may have
interrupts disabled.

                                Linus
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