Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 6 Jun 2002 17:36:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 6 Jun 2002 17:36:55 -0400 Received: from ns.suse.de ([213.95.15.193]:15877 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id ; Thu, 6 Jun 2002 17:36:54 -0400 Date: Thu, 6 Jun 2002 23:36:55 +0200 From: Dave Jones To: "Thomas 'Dent' Mirlacher" Cc: Andrew Morton , Robert Love , "David S. Miller" , linux-kernel@vger.kernel.org Subject: Re: [patch] CONFIG_NR_CPUS Message-ID: <20020606233655.E16262@suse.de> Mail-Followup-To: Dave Jones , Thomas 'Dent' Mirlacher , Andrew Morton , Robert Love , "David S. Miller" , linux-kernel@vger.kernel.org In-Reply-To: <3CFFBCA9.843C40F0@zip.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 06, 2002 at 11:23:11PM +0200, Thomas 'Dent' Mirlacher wrote: > > and then go edit every SMP-capable arch's config.in/Config.help > > files. But the arch maintainers should test one case please - x86 > > was locking up at boot on quad CPU with NR_CPUS=2. Others may do > > the same. > > well, what you need to do is make sure smp_num_cpu <= NR_CPUS, > otherwise the kernel will go ballistic on several places within > the code. *nod*, relying on the user to get it right may not be as simple as it seems. Quite a few people were pleasantly surprised when their 2-way P4 Xeon become a 4-way HT P4 box. Dave -- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/