Re: [PATCH] x86, nmi: workaround sti; hlt race vs nmi; intr

[Avi Kivity]

 On 09/27/2010 11:15 AM, Alexander Graf wrote:
> >
> >  Wow, this is incredibly ugly :). Can't we just mask NMIs when the interrupt shadow is active?

I plan to do that, for all the code that's out there relying on on STI 
interrupt shadow masking NMIs.

> Yeah, that's me writing without thinking. So this means that the race can also happen on real hardware?

Yes.  At least on documented hardware.  Some (most? all?) hardware does 
mask NMIs after STI.

--
error compiling committee.c: too many arguments to function

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