From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anthony Liguori <aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 1/3] KVM paravirt_ops infrastructure
Date: Thu, 31 May 2007 12:31:52 -0500
Message-ID: <465F0688.1050702@us.ibm.com>
References: <97D612E30E1F88419025B06CB4CF1BE10259AD83@scsmsx412.amr.corp.intel.com>
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To: "Nakajima, Jun" <jun.nakajima-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>, virtualization <virtualization-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>, Anthony Liguori <aliguori-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
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Nakajima, Jun wrote:
> Anthony Liguori wrote:
>   
>> Nakajima, Jun wrote:
>>     
>>> Anthony Liguori wrote:
>>>
>>>       
>>>> Regards,
>>>>
>>>> Anthony Liguori
>>>>
>>>>         
>>> I think we should use the CPUID instruction (leaf 0x40000000) to
>>>       
> detect
>   
>>> the hypervosor as we are doing in Xen.
>>>
>>>       
>> Is that leaf reserved for such use by Intel?
>>
>>     
>
> What I can say is that we (including the H/W teams) reviewed it
> internally.
>   

I've switched to using CPUID.  I noticed that Xen also uses 0x400000001 
so I'm presuming that that is okay too?

Regards,

Anthony Liguori

>> Regards,
>>
>> Anthony Liguori
>>
>>     
>
>
> Jun
> ---
> Intel Open Source Technology Center
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