linux-kernel - Re: [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMD Trinity systems

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Message-ID: <20120530182930.GH15438@x1.osrc.amd.com>
Date:	Wed, 30 May 2012 20:29:31 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jacob Shin <jacob.shin@....com>,
	Andre Przywara <andre.przywara@....com>, jeremy@...p.org,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	Jan Beulich <JBeulich@...e.com>, mingo@...e.hu,
	tglx@...utronix.de
Subject: Re: [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMD
 Trinity systems

On Wed, May 30, 2012 at 11:21:00AM -0700, H. Peter Anvin wrote:
> This is for PV, not for HVM (VT-x/SVM).  HVM doesn't have this kind of
> drain bamage.

Frankly, I wouldn't want to fix this for K8 only - they're going away
anyway. And besides, this is a BIOS fix for a very small subset of very
early K8s. It probably shouldnt've been there in the first place but
at the time I did it I wanted to fix the whole world (I'm much more
reasonable now :-)).

IOW, I'd like to leave sleeping dogs lie if you don't mind.

-- 
Regards/Gruss,
Boris.
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