From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: Re: [PATCH] libxc: remove CPUID core information
	mangling
Date: Wed, 25 Aug 2010 16:39:04 +0100
Message-ID: <C89AF7A8.1F0F9%keir.fraser@eu.citrix.com>
References: <EE335F95F28A664DB4A21289D2AA053B73E7FBE9@SAUSEXMBP01.amd.com>
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To: "Huang2, Wei" <Wei.Huang2@amd.com>, "Przywara, Andre" <Andre.Przywara@amd.com>, Nitin Kamble <nitin.a.kamble@intel.com>
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I meant it should remain the old way, since HVM virtual APIC IDs are
vcpu_id*2.

 -- Keir

On 25/08/2010 16:28, "Huang2, Wei" <Wei.Huang2@amd.com> wrote:

> Hi Keir,
> 
> Do you mean that we should leave 80000008:ECX[15:12] as zero or in old way
> (i.e. (regs[2] & 0xf000u) + 1))? These bits can't be zero, unless we want to
> use legacy method in multi-core calculation.
> 
> -Wei
> 
> ========
> I think you shouldn't change handling of 80000008:ECX[15:12] since that does
> explicitly refer to APIC ID arrangement. The rest of your changes could be
> correct as far as I can tell from the reference manuals.
> 
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