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

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Message-ID: <86802c440802221107o713c264aj6ba7e37489df17a@mail.gmail.com>
Date:	Fri, 22 Feb 2008 11:07:31 -0800
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Andi Kleen" <andi@...stfloor.org>
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

On Fri, Feb 22, 2008 at 11:07 AM, Andi Kleen <andi@...stfloor.org> wrote:
>
> 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

how about their system that is not full populated with CPU?

YH
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