From: boris.ostrovsky@oracle.com (Boris Ostrovsky)
Date: Mon, 8 Feb 2016 11:12:08 -0500
Subject: [Cocci] [Xen-devel] [PATCH v2 3/3] paravirt: rename
 paravirt_enabled to paravirt_legacy
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To: cocci@systeme.lip6.fr
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On 02/08/2016 11:05 AM, Andrew Cooper wrote:
>
> For compatibility with other virtualisation specs, Xen's cpuid leaves
> shift depending on configuration.
>
> Spec at
> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/include/public/arch-x86/cpuid.h;h=d709340f18d089560b959835eabb7b6609542c7e;hb=HEAD#l33
>
> Basically, they are either at 0x40000000, or 0x40000100 if viridian or
> vmware compatibility has been enabled.

(Also in arch/x86/include/asm/xen/cpuid.h in Linux tree).

-boris