Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759111AbXJLMIC (ORCPT ); Fri, 12 Oct 2007 08:08:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753671AbXJLMHx (ORCPT ); Fri, 12 Oct 2007 08:07:53 -0400 Received: from mx12.go2.pl ([193.17.41.142]:55243 "EHLO poczta.o2.pl" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753648AbXJLMHw (ORCPT ); Fri, 12 Oct 2007 08:07:52 -0400 Date: Fri, 12 Oct 2007 14:10:43 +0200 From: Jarek Poplawski To: Nick Piggin Cc: Linux Kernel Mailing List , Linus Torvalds , Andi Kleen Subject: Re: [rfc][patch 3/3] x86: optimise barriers Message-ID: <20071012121043.GG1962@ff.dom.local> References: <20071004052348.GC15131@wotan.suse.de> <20071012082534.GB1962@ff.dom.local> <20071012085733.GA19237@wotan.suse.de> <20071012095505.GD1962@ff.dom.local> <20071012104238.GD19237@wotan.suse.de> <20071012115510.GF1962@ff.dom.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071012115510.GF1962@ff.dom.local> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 785 Lines: 19 On Fri, Oct 12, 2007 at 01:55:10PM +0200, Jarek Poplawski wrote: > On Fri, Oct 12, 2007 at 12:42:38PM +0200, Nick Piggin wrote: ... > > [...] If you can actually come up with a test > > case that triggers load/load or store/store reordering, I'm sure > > Intel / AMD would like to see it ;) > > It seems, after testing only (plus no official spec against this idea), (...plus of course proper smp_rmb & smp_wmb vs. smp_mb interpretation probably available from Paul McKenney or Davide Libenzi before this Intel spec, as well...) Jarek P. - 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/