linux-kernel - Re: broken ACPI NUMA config option

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Date:	Sat, 8 Sep 2007 21:24:53 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"James C. Georgas" <jgeorgas@...rgas.ca>, "Andi Kleen" <ak@...e.de>
Cc:	"Randy Dunlap" <randy.dunlap@...cle.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: broken ACPI NUMA config option

On 9/8/07, James C. Georgas <jgeorgas@...rgas.ca> wrote:
> On Sat, 2007-08-09 at 18:16 -0700, Randy Dunlap wrote:
>
> > 2.6.23-rc5-git1 builds for me when I follow those steps...
> > except for some Section mismatch warnings.
> >
>
> OK, it worked for me also, using torvalds/linux-2.6.git. The behaviour
> of the "select" directive in Kconfig appears to have changed since
> 2.6.22.6. It now turns on ACPI, even when PM is not selected.
>
> This still looks broken to me, because ACPI gets selected by ACPI_NUMA,
> and ACPI depends on PM, but PM is not selected. It works out in the end,
> as far as the build is concerned, but it still bugs me.
>
> Does anyone object to the idea of a selected item automatically
> selecting its own dependencies?
>
> For example, you would only need to specify one "select" directive in
> X86_64_ACPI_NUMA, (i.e. to turn on ACPI_NUMA). The configuration system
> would then recursively walk up ACPI_NUMA's dependency hierarchy, turning
> on what it needed.

dont know my old patch still can be applied or not..
http://lkml.org/lkml/2007/4/4/17

Andi was talking about to use ACPI numa aka SRAT table, but not use dsdt ....

YH
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