Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 22 Feb 2001 05:34:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 22 Feb 2001 05:34:09 -0500 Received: from delta.ds2.pg.gda.pl ([153.19.144.1]:22520 "EHLO delta.ds2.pg.gda.pl") by vger.kernel.org with ESMTP id ; Thu, 22 Feb 2001 05:33:50 -0500 Date: Thu, 22 Feb 2001 11:16:06 +0100 (MET) From: "Maciej W. Rozycki" To: Tigran Aivazian cc: Jeff Garzik , Burton Windle , linux-kernel@vger.kernel.org Subject: Re: Detecting SMP In-Reply-To: Message-ID: Organization: Technical University of Gdansk MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 21 Feb 2001, Tigran Aivazian wrote: > So, one would normally expect this to mean an SMP board rather than > multiple processors, _HOWEVER_, I can imagine a very clever MP-aware BIOS > implementation which detects that there are many processors and prepares > MP floating config table and does _not_ prepare it otherwise. So, it all > depends on the BIOS implementation. I've seen systems that do so and while it's not forbidden I consider it a bad thing. It prevents us from being able to use I/O APICs. -- + Maciej W. Rozycki, Technical University of Gdansk, Poland + +--------------------------------------------------------------+ + e-mail: macro@ds2.pg.gda.pl, PGP key available + - 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/