Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 10 Jul 2001 10:25:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 10 Jul 2001 10:25:21 -0400 Received: from weta.f00f.org ([203.167.249.89]:41346 "HELO weta.f00f.org") by vger.kernel.org with SMTP id ; Tue, 10 Jul 2001 10:25:16 -0400 Date: Wed, 11 Jul 2001 02:25:09 +1200 From: Chris Wedgwood To: Christoph Hellwig , linux-kernel@vger.kernel.org, hpa@zytor.com Subject: Re: How many pentium-3 processors does SMP support? Message-ID: <20010711022509.C31966@weta.f00f.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20010710161943.A7785@caldera.de> User-Agent: Mutt/1.3.18i X-No-Archive: Yes Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 10, 2001 at 04:19:43PM +0200, Christoph Hellwig wrote: The number of CPUs is currently globally limited to 32 by NR_CPUS in include/linux/threads.h. Really? Ah, so it is... yes, making this architecture dependant might be a good idea. Large PPC and MIPS boxen need to adjust this already. Also, someone did a starfire port, I think that had 64 processors, not sure. You can. But you cannot buy 32-processor PII (-Xeon) systems that are supported by Linux. What is the limit here? The 8/16 way SE chipsets? > In anyone from Compaq is reading this, you should send me a 32-way > Xeon ASAP just to prove they really work :) It doesn't. Oh, then they definately need to send me one. Are these not MP1.4 based? Something different? --cw - 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/