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

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Message-ID: <20080129045659.GA31847@one.firstfloor.org>
Date:	Tue, 29 Jan 2008 05:56:59 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Yinghai Lu <Yinghai.Lu@....COM>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Joachim Deguara <joachim.deguara@....com>, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	Dean Roe <roe@...y.com>
Subject: Re: [PATCH] x86: add PCI IDs to k8topology_64.c

> 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.

-Andi
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