linux-kernel - Re: [PATCH 6/6] x86: acpi-use-cpu_physical

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Date:	Wed, 22 Aug 2007 21:55:50 +0200
From:	Andi Kleen <ak@...e.de>
To:	travis@....com
Cc:	Andi Kleen <ak@...e.de>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <clameter@....com>
Subject: Re: [PATCH 6/6] x86: acpi-use-cpu_physical_id

On Wed, Aug 22, 2007 at 10:21:07AM -0700, travis@....com wrote:
> This is from an earlier message from Christoph Lameter:
> 
>     processor_core.c currently tries to determine the apicid by special casing
>     for IA64 and x86. The desired information is readily available via
> 
> 	    cpu_physical_id()
> 
>     on IA64, i386 and x86_64.

Have you tried this with a !CONFIG_SMP build? The drivers/dma code was doing
the same and running into problems because it wasn't defined there.

-Andi
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