Re: Perhaps a side effect regarding NMI returns

[Andi Kleen]

On Tue, Nov 29, 2011 at 12:12:44PM -0800, Linus Torvalds wrote:
> The problem is that NMI's are blocked!
> 
> We're potentially switching to another process, there is no guarantee
> there will be an "iret" *anywhere* in any patch for a long time. So
> any subsequent NMI's will not be able to come in.

True. That's a bug that needs to be fixed.

As a simple fix your proposal of forcing IRET sounds good.

-Andi
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