Message-ID: <479EC1BD.2050104@zytor.com>
Date: Mon, 28 Jan 2008 22:03:41 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Andi Kleen <andi@firstfloor.org>
CC: Yinghai Lu <Yinghai.Lu@Sun.COM>, Joachim Deguara <joachim.deguara@amd.com>,
       tglx@linutronix.de, mingo@redhat.com, linux-kernel@vger.kernel.org,
       Dean Roe <roe@cray.com>
Subject: Re: [PATCH] x86: add PCI IDs to k8topology_64.c
References: <200801281211.28214.joachim.deguara@amd.com> <p73y7a970nd.fsf@bingen.suse.de> <200801282012.47190.yinghai.lu@sun.com> <20080129045659.GA31847@one.firstfloor.org>
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Andi Kleen wrote:
>> also there are some users are using LinuxBIOS or other firmware that doesn't have  or like ACPI support. but they still need numa.
>> for them ACPI doesn't help.
> 
> We've had this discussion before. The right way even if you don't 
> want to do full ACPI is to do just the minimal static boot tables
> and a SRAT. These are quite simple tables and should be easy to set up.
> SRAT is essentially just a two dimensional table with node distances.
> 

Indeed.  Hacking everything into the kernel just because LinuxBIOS is 
braindead is NOT a good idea.

	-hpa
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