Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751202AbWIKRVp (ORCPT ); Mon, 11 Sep 2006 13:21:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751235AbWIKRVp (ORCPT ); Mon, 11 Sep 2006 13:21:45 -0400 Received: from mail-in-05.arcor-online.net ([151.189.21.45]:3818 "EHLO mail-in-01.arcor-online.net") by vger.kernel.org with ESMTP id S1751202AbWIKRVo (ORCPT ); Mon, 11 Sep 2006 13:21:44 -0400 In-Reply-To: <20060911162059.GA1496@us.ibm.com> References: <200609090049.20416.oliver@neukum.org> <20060911162059.GA1496@us.ibm.com> Mime-Version: 1.0 (Apple Message framework v750) Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <52D5A4D1-ACE2-4D55-A01D-135FEC606B85@kernel.crashing.org> Cc: Alan Stern , Oliver Neukum , David Howells , Kernel development list Content-Transfer-Encoding: 7bit From: Segher Boessenkool Subject: Re: Uses for memory barriers Date: Mon, 11 Sep 2006 19:21:22 +0200 To: paulmck@us.ibm.com X-Mailer: Apple Mail (2.750) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 569 Lines: 15 > 2. All stores to a given single memory location will be perceived > as having occurred in the same order by all CPUs. All CPUs that _do_ see two stores to the same memory location happening, will see them occurring in the same order -- not all CPUs seeing a later store will necessarily see the earlier stores. Segher - 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/