From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754594AbYKPUho (ORCPT ); Sun, 16 Nov 2008 15:37:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752542AbYKPUhd (ORCPT ); Sun, 16 Nov 2008 15:37:33 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:54146 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752084AbYKPUhd (ORCPT ); Sun, 16 Nov 2008 15:37:33 -0500 Date: Sun, 16 Nov 2008 12:37:32 -0800 (PST) Message-Id: <20081116.123732.74733883.davem@davemloft.net> To: miltonm@bga.com Cc: jdb@comx.dk, segher@kernel.crashing.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH] niu: bitwise or does not imply ordering From: David Miller In-Reply-To: <312268717986b8b45674.846930886.miltonm@bga.com> References: <312268717986b8b45674.846930886.miltonm@bga.com> X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Milton Miller Date: Sun, 16 Nov 2008 15:43:18 -0600 > commit e23a59e1ca6d177a57a7791b3629db93ff1d9813 (niu: Fix readq > implementation when architecture does not provide one.) reordered the > arguments to a bitwise or to change the emitted code. However, C does > not guarantee the evaluation order. I'm not applying this patch, the problem is in your imagination only.