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Date: Wed, 23 Nov 2005 18:50:42 +0100
From: Andi Kleen <ak@suse.de>
To: yhlu <yinghailu@gmail.com>
Cc: Andi Kleen <ak@suse.de>, Ronald G Minnich <rminnich@lanl.gov>,
       discuss@x86-64.org, linuxbios@openbios.org,
       linux-kernel@vger.kernel.org, yhlu <yhlu.kernel@gmail.com>
Subject: Re: [LinuxBIOS] x86_64: apic id lift patch
Message-ID: <20051123175042.GM20775@brahms.suse.de>
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On Wed, Nov 23, 2005 at 09:43:12AM -0800, yhlu wrote:
> fallback code it not needed, because for AMD optern, at that point you can
> figure out the node id and core id from initial apic id exactly....

AFAIK there is no foolproof way to figure out the HT node id from the
initial APIC ID. One is in the Northbridge, the other is in CPUID,
but there is no directly visible connection. 

If you know one please share it

-Andi