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

To: Andre Przywara <andre.przywara@xxxxxxx>
From: "H. Peter Anvin" <hpa@xxxxxxxxx>
Date: Wed, 30 May 2012 07:42:27 -0700
Cc: stable@xxxxxxxxxxxxxxxx#.3.4+, jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, mingo@xxxxxxx, tglx@xxxxxxxxxxxxx
Delivery-date: Wed, 30 May 2012 14:44:14 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 05/30/2012 06:10 AM, Andre Przywara wrote:
> Because we are behind a family check before tweaking the topology
> bit, we can use the standard rd/wrmsr variants for the CPUID feature
> register.

That is not what the *msr*_amd*() functions do.

NAK.  This is a totally bogus patch.

        -hpa


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- [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMD Trinity systems
  - From: Andre Przywara

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