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

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Message-ID: <4FC66037.6020506@zytor.com>
Date:	Wed, 30 May 2012 11:00:23 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...en8.de>,
	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 05/30/2012 10:51 AM, Borislav Petkov wrote:
> On Wed, May 30, 2012 at 10:47:32AM -0700, H. Peter Anvin wrote:
>>> I wouldn't do that. Andre's patch switches to the
>>> rdmsrl_safe/checking_wrmsrl functions so you don't need to implement the
>>> _regs functions for pvops.
>>>
>> But we just stated - it is wrong for K8?
> 
> Not executed on K8 - only on F15h, models 0x10 - 0x1f.
> 

OK.  But there is still the general problem, no?

	-hpa

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