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

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Message-ID: <86802c440801290020v72238b5fi87a6b7cf739a7e6@mail.gmail.com>
Date:	Tue, 29 Jan 2008 00:20:29 -0800
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Andi Kleen" <andi@...stfloor.org>
Cc:	"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 II

On Jan 29, 2008 12:31 AM, Andi Kleen <andi@...stfloor.org> wrote:
>
> On Mon, Jan 28, 2008 at 11:39:30PM -0800, Yinghai Lu wrote:
> > On Jan 29, 2008 12:09 AM, Andi Kleen <andi@...stfloor.org> wrote:
> > > > SRAT is essentially just a two dimensional table with node distances.
> > >
> > > Sorry, that was actually SLIT. SRAT is not two dimensional, but also
> > > relatively simple. SLIT you don't really need to implement.
> > >
> >
> > need to add some CONFIG option to parse SRAT, MADT etc only. but don't
> > pull DSDT related...
>
> I don't think it needs a CONFIG. The code should handle this case
> by itself in any case. I'm not entirely sure it does currently, but if it
> doesn't it will likely not be very difficult to fix.
>
> Or are you worried about code size? ACPI is around ~270k on x86-64,
> which while certainly not small should not be a problem on x86 NUMA
> systems.

like acpi=off, acpi=tableonly? so it will load dsdt, and some one
module rely on dsdt could not complain ACPI ERROR..

YH
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