Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757815AbXELHWe (ORCPT ); Sat, 12 May 2007 03:22:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756435AbXELHW1 (ORCPT ); Sat, 12 May 2007 03:22:27 -0400 Received: from einhorn.in-berlin.de ([192.109.42.8]:50541 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756020AbXELHW0 (ORCPT ); Sat, 12 May 2007 03:22:26 -0400 X-Envelope-From: stefanr@s5r6.in-berlin.de Message-ID: <46456B18.9060605@s5r6.in-berlin.de> Date: Sat, 12 May 2007 09:22:00 +0200 From: Stefan Richter User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.2) Gecko/20070408 SeaMonkey/1.1.1 MIME-Version: 1.0 To: Satyam Sharma CC: "H. Peter Anvin" , Jonathan Corbet , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Johannes Stezenbach , Jesper Juhl , Randy Dunlap , Heikki Orsila , jimmy bahuleyan Subject: Re: [PATCH] "volatile considered harmful", take 3 References: <12700.1178905000@lwn.net> <464551D5.2050709@zytor.com> <46455CD9.7010205@zytor.com> In-Reply-To: X-Enigmail-Version: 0.94.1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 937 Lines: 21 Satyam Sharma wrote: > Coming back to the document, we do need to document / find > consensus on the "preferred" way to do similar business in the > kernel, and my opinion as far as that is concerned is to shun > volatile wherever possible (which includes the case originally > discussed above). I too recommend that volatile-considered-harmful.txt is not watered down by an ever growing "but if" list. If anybody knows what he does, he still can program in a deviating way --- provided that he leaves a brief comment in the code, telling why it is possible and beneficial to use the volatile qualifier in this special case. -- Stefan Richter -=====-=-=== -=-= -==-- http://arcgraph.de/sr/ - 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/