From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759051AbZELQEn (ORCPT ); Tue, 12 May 2009 12:04:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754343AbZELQEd (ORCPT ); Tue, 12 May 2009 12:04:33 -0400 Received: from terminus.zytor.com ([198.137.202.10]:44407 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752232AbZELQEd (ORCPT ); Tue, 12 May 2009 12:04:33 -0400 Message-ID: <4A099DFC.7040905@zytor.com> Date: Tue, 12 May 2009 09:04:12 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Nick Piggin CC: Jan Beulich , Ingo Molnar , Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: uses of cmpxchg/xadd in spinlock.h and rwsem.h vs. CONFIG_M386 References: <4A09AF8402000078000007DC@vpn.id2.novell.com> <4A099AF0.8020001@zytor.com> <20090512155702.GB31131@wotan.suse.de> In-Reply-To: <20090512155702.GB31131@wotan.suse.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Nick Piggin wrote: > > Is it time to get rid of attempts to support SMP kernels that run on 386, then? > Considering we don't actually support SMP 386, and if there is any 386 systems > then they're going to be running custom kernels anyway. > Makes sense to me. We have never supported SMP 386 to the best of my knowledge, and a patch to rip that out would be appreciated. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.