linux-kernel - Re: [PATCH 4/5] x86: Add config variables for SMP

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Date:	Sat, 19 Jan 2008 15:52:44 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	travis@....com
Cc:	Andrew Morton <akpm@...ux-foundation.org>, Andi Kleen <ak@...e.de>,
	Christoph Lameter <clameter@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] x86: Add config variables for SMP_MAX


* travis@....com <travis@....com> wrote:

> Adds and increases some config variables to accomodate larger SMP
> configurations:
> 
> 	NR_CPUS:      max limit now 4096
> 	NODES_SHIFT:  max limit now 9
> 	THREAD_ORDER: max limit now 3
> 	X86_SMP_MAX:  say Y to enable possible cpus == NR_CPUS
> 
> Signed-off-by: Mike Travis <travis@....com>

i've bisected a boot failure down to this patch (sans the THREAD_ORDER 
bits): it causes an instant reboot of the 64-bit kernel upon bootup. 
Failing config attached.

	Ingo

View attachment "config" of type "text/plain" (71854 bytes)