From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 23 Jul 2001 12:35:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 23 Jul 2001 12:35:00 -0400 Received: from neon-gw.transmeta.com ([209.10.217.66]:23310 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id ; Mon, 23 Jul 2001 12:34:39 -0400 Date: Mon, 23 Jul 2001 09:33:28 -0700 (PDT) From: Linus Torvalds To: Andrea Arcangeli cc: Jeff Dike , , Subject: Re: user-mode port 0.44-2.4.7 In-Reply-To: <20010723175635.L822@athlon.random> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Original-Recipient: rfc822;linux-kernel-outgoing On Mon, 23 Jul 2001, Andrea Arcangeli wrote: > > in my tree I did some further cleanup, here the ones that you can > interested about: Andrea, please drop the "volatile" from xtime. It's bogus. There's no reason why gcc couldn't make one or many accesses to that variable, and volatile is an evil keyword that is badly specified and only makes the compiler generate worse code without ever fixing any real bugs. If you need a stable value, use a lock. Linus