From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750941AbWAYJlp (ORCPT ); Wed, 25 Jan 2006 04:41:45 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751078AbWAYJlp (ORCPT ); Wed, 25 Jan 2006 04:41:45 -0500 Received: from mx2.suse.de ([195.135.220.15]:18400 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1750941AbWAYJlo (ORCPT ); Wed, 25 Jan 2006 04:41:44 -0500 From: Andi Kleen To: Andrew Morton Subject: Re: [PATCH 1/5] stack overflow safe kdump (2.6.16-rc1-i386) - safe_smp_processor_id Date: Wed, 25 Jan 2006 10:41:43 +0100 User-Agent: KMail/1.8 Cc: fernando@intellilink.co.jp, ebiederm@xmission.com, vgoyal@in.ibm.com, linux-kernel@vger.kernel.org, fastboot@lists.osdl.org References: <1138171868.2370.62.camel@localhost.localdomain> <200601250853.48193.ak@suse.de> <20060124235901.719aa375.akpm@osdl.org> In-Reply-To: <20060124235901.719aa375.akpm@osdl.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200601251041.43349.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 25 January 2006 08:59, Andrew Morton wrote: > Andi Kleen wrote: > > On Wednesday 25 January 2006 08:10, Andrew Morton wrote: > > > It assumes that all x86 SMP machines have APICs. That's untrue of > > > Voyager. I think we can probably live with this assumption - others > > > would know better than I. > > > > Early x86s didn't have APICs and they are still often disabled on not so > > old mobile CPUs. I don't think it's a good assumption to make for i386. > > But how many of those do SMP? The SMP kernel should still run on those. Even x86-64 had special code for this. -Andi