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Date: Mon, 19 Feb 2007 16:42:18 -0800
From: William Lee Irwin III <wli@holomorphy.com>
To: Adrian Bunk <bunk@stusta.de>
Cc: ak@suse.de, discuss@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: x86_64: up to 255 or 256 CPUs?
Message-ID: <20070220004218.GO21484@holomorphy.com>
References: <20070220000647.GI13958@stusta.de>
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On Tue, Feb 20, 2007 at 01:06:47AM +0100, Adrian Bunk wrote:
> Quoting arch/x86_64/Kconfig:
> <--  snip  -->
> ...
> config NR_CPUS
>         int "Maximum number of CPUs (2-256)"
>         range 2 255
> ...
> <--  snip  -->
> cu
> Adrian

The broadcast APIC ID clashes with the 256th cpu.


-- wli