Date: Wed, 30 May 2012 20:19:51 +0200
From: Borislav Petkov <bp@alien8.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        Jacob Shin <jacob.shin@amd.com>,
        Andre Przywara <andre.przywara@amd.com>, jeremy@goop.org,
        xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
        Jan Beulich <JBeulich@suse.com>, mingo@elte.hu, tglx@linutronix.de
Subject: Re: [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMD
 Trinity systems
Message-ID: <20120530181950.GG15438@x1.osrc.amd.com>
Mail-Followup-To: Borislav Petkov <bp@alien8.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Jacob Shin <jacob.shin@amd.com>,
	Andre Przywara <andre.przywara@amd.com>, jeremy@goop.org,
	xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org,
	Jan Beulich <JBeulich@suse.com>, mingo@elte.hu, tglx@linutronix.de
References: <4FC62888.9010407@amd.com>
 <20120530144851.GA12184@jshin-Toonie>
 <20120530145005.GI3207@phenom.dumpdata.com>
 <20120530150334.GA13349@jshin-Toonie>
 <20120530171754.GA5115@phenom.dumpdata.com>
 <20120530173247.GC15635@x1.osrc.amd.com>
 <4FC65D34.1060803@zytor.com>
 <20120530175150.GE15438@x1.osrc.amd.com>
 <4FC66037.6020506@zytor.com>
 <20120530181722.GF15438@x1.osrc.amd.com>
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On Wed, May 30, 2012 at 08:17:23PM +0200, Borislav Petkov wrote:
> The other place where we use the amd_safe variants is an obscure K8,
> revC and earlier fix for _some_ BIOSen and this hasn't bitten us yet
> so I'm assuming people haven't run xen on such boxes yet. Does it need
> fixing? Probably, if we really really have to.

I'm being told we're safe here. Those boxes didn't have virtualization
support yet (SVM) so this one doesn't need fixing.

-- 
Regards/Gruss,
Boris.
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