linux-kernel - Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered

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Message-ID: <47BF1D66.20507@firstfloor.org>
Date:	Fri, 22 Feb 2008 20:07:18 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box

Yinghai Lu wrote:
> On Fri, Feb 22, 2008 at 11:00 AM, Andi Kleen <andi@...stfloor.org> wrote:
>>  > so for that box [4, 0x23] still could be apic clustered? there is a hole [0,3]..
>>
>>  I meant holes between the CPUs only, not including the IO-APICs.
>>
>>
>>  > is their box using AMD cpu or not?
>>
>>  Intel. AMD boxes don't really need clustered mode because they support
>>  bigflat mode.
> 
> So DMI or exclude AMD CPU?

Just check for holes between the cpus as I suggested earlier

-Andi

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