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SubjectRe: [V5][PATCH 4/6] x86, nmi: add in logic to handle multiple events and unknown NMIs
On 09/20/2011 11:10 PM, Don Zickus wrote:
> On Tue, Sep 20, 2011 at 08:23:03PM +0300, Avi Kivity wrote:
> > >V4:
> > > - clean up fixes, like adding 'static', rename save_rip to last_nmi_rip
> > >
> > >
> >
> > Missing a zeroing of last_nmi_rip in the idle path. Otherwise, as
> > Andi points out, and idle machine will always see NMIs coming in
> > from the hlt/mwait address and detect them as back-to-back NMIs.
>
> You mean something like this?
>

Yes.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.



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