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Message-ID: <86802c440802261310y176cdfel38843e264bc71f82@mail.gmail.com>
Date: Tue, 26 Feb 2008 13:10:57 -0800
From: "Yinghai Lu" <yhlu.kernel@gmail.com>
To: "Ravikiran Thirumalai" <kiran@scalemp.com>
Subject: Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2
Cc: "Andi Kleen" <andi@firstfloor.org>, "Ingo Molnar" <mingo@elte.hu>,
       "Andrew Morton" <akpm@linux-foundation.org>,
       "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       shai@scalemp.com
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On Tue, Feb 26, 2008 at 12:32 PM, Ravikiran Thirumalai
<kiran@scalemp.com> wrote:
> On Tue, Feb 26, 2008 at 11:00:58AM -0800, Yinghai Lu wrote:
>  >
>  >1. if acpi=off ?
>
>  Well that is not a realistic scenario for any multi chassi NUMA machine,
>  since the proximity information is very important and turning acpi off
>  deprives the OS of this information.

actually OS should detect the distance instead of rely on SLIT.

YH
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