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

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Message-ID: <20100928092258.GJ9817@amd.com>
Date:	Tue, 28 Sep 2010 11:22:59 +0200
From:	"Roedel, Joerg" <Joerg.Roedel@....com>
To:	Avi Kivity <avi@...hat.com>
CC:	"H. Peter Anvin" <hpa@...or.com>, Alexander Graf <agraf@...e.de>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>
Subject: Re: [PATCH] x86, nmi: workaround sti; hlt race vs nmi; intr

On Tue, Sep 28, 2010 at 04:50:24AM -0400, Avi Kivity wrote:
>   On 09/27/2010 11:55 PM, H. Peter Anvin wrote:
> > On 09/27/2010 02:27 AM, Avi Kivity wrote:
> > >
> > >  I don't have write permissions for the spec.  If you can verify that all
> > >  existing and future hardware will mask NMI after STI and convince the
> > >  spec owners to update the specifications, I'm all for it; it's certainly
> > >  a cleaner solution.
> > >
> >
> > I'm trying to see if this is doable.  As you can well imagine, though,
> > it takes time.
> 
> Joerg, can you look at this from the AMD side?

Yes, I will discuss this with the hardware peoples. Will take some time
here too.

	Joerg

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