Re: [PATCH 08/13] xen/pvticketlock: disable interrupts while blocking

[Avi Kivity]

On 09/07/2011 06:56 PM, Don Zickus wrote:
> >
> >  And hope that no other NMI was generated while we're handling this
> >  one.  It's a little... fragile?
>
> No.  If another NMI is generated while we are processing the current one
> it should get latched.  Upon completion of the current one, the cpu should
> jump right back into the nmi exception routine again.  The only downside
> is when multiple NMIs come in during the processing of the current one.
> Only one can be latched, so the others get dropped.

Ah, yes, I remember now.

> But we are addressing
> that.

May I ask how?  Detecting a back-to-back NMI?

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

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