Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265375AbTFMMkc (ORCPT ); Fri, 13 Jun 2003 08:40:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265379AbTFMMkc (ORCPT ); Fri, 13 Jun 2003 08:40:32 -0400 Received: from dspnet.fr.eu.org ([62.73.5.179]:53511 "EHLO dspnet.fr.eu.org") by vger.kernel.org with ESMTP id S265375AbTFMMkb (ORCPT ); Fri, 13 Jun 2003 08:40:31 -0400 Date: Fri, 13 Jun 2003 14:54:17 +0200 From: Olivier Galibert To: linux-kernel@vger.kernel.org Subject: Re: [PATCH] udev enhancements to use kernel event queue Message-ID: <20030613125417.GA90214@dspnet.fr.eu.org> Mail-Followup-To: Olivier Galibert , linux-kernel@vger.kernel.org References: <1055460564.662.339.camel@localhost> <16105.3943.510055.309447@nanango.paulus.ozlabs.org> <1055461816.662.350.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 661 Lines: 15 On Fri, Jun 13, 2003 at 08:44:52AM -0400, Richard B. Johnson wrote: > FYI, all memory modify operations, not using an intermediate register, > in 32-bit mode, of a longword or less, on ix86 machines are atomic, > even without the lock prefix. Unless you're on SMP. Of course 80386 SMP is not really what people want to do, but people may compile an "universal" 386 SMP kernel and run it on a later SMP box. OG. - 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/