linux-kernel - Re: [PATCH] x86: add PCI IDs to k8topology

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Message-ID: <479EC1BD.2050104@zytor.com>
Date:	Mon, 28 Jan 2008 22:03:41 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Yinghai Lu <Yinghai.Lu@....COM>,
	Joachim Deguara <joachim.deguara@....com>, tglx@...utronix.de,
	mingo@...hat.com, linux-kernel@...r.kernel.org,
	Dean Roe <roe@...y.com>
Subject: Re: [PATCH] x86: add PCI IDs to k8topology_64.c

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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