Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932583AbXHLIvU (ORCPT ); Sun, 12 Aug 2007 04:51:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756561AbXHLIvM (ORCPT ); Sun, 12 Aug 2007 04:51:12 -0400 Received: from 1wt.eu ([62.212.114.60]:1651 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755327AbXHLIvL (ORCPT ); Sun, 12 Aug 2007 04:51:11 -0400 Date: Sun, 12 Aug 2007 10:41:12 +0200 From: Willy Tarreau To: Rene Herman Cc: Jesper Juhl , Linux Kernel Mailing List Subject: Re: Are we properly prepared to handle 3 Socket setups? Message-ID: <20070812084112.GL6002@1wt.eu> References: <9a8748490708111808o11d354fr9efa719bc38046c5@mail.gmail.com> <46BE621E.9090509@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46BE621E.9090509@gmail.com> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1097 Lines: 28 On Sun, Aug 12, 2007 at 03:27:58AM +0200, Rene Herman wrote: > On 08/12/2007 03:08 AM, Jesper Juhl wrote: > > >This may be a little off topic, but I think it's interresting enough > >to warrent a single mail. > > > >I just saw a news article (http://www.theinquirer.net/?article=41610) > >about a 3 Socket Opteron motherboard and couldn't help but wonder if > >we are prepared to deal with such a beast, so I thought I'd inform > >everyone :-) > > > >I'm guessing equipping such a board with 3 single core CPU's could > >show up some interresting corner cases in schedular code and > >elsewhere, I'll bet we have some assumptions somewhere about > >nr_of_cpus being an even number... > > I would hope the N=1 case will have flushed out enough of those... :-| Well, 1 could be seen as even number in base 2, it's 2^0 and has only one bit set. Willy - 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/