From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754181AbXLKABT (ORCPT ); Mon, 10 Dec 2007 19:01:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752447AbXLKABL (ORCPT ); Mon, 10 Dec 2007 19:01:11 -0500 Received: from smtp3-g19.free.fr ([212.27.42.29]:34983 "EHLO smtp3-g19.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751633AbXLKABK (ORCPT ); Mon, 10 Dec 2007 19:01:10 -0500 Date: Tue, 11 Dec 2007 00:53:53 +0100 From: Guillaume Chazarain To: Stefano Brivio Cc: Ingo Molnar , Andrew Morton , rjw@sisk.pl, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org Subject: Re: 2.6.24-rc4-git5: Reported regressions from 2.6.23 Message-ID: <20071211005353.55bcbc1e@inria.fr> In-Reply-To: <20071211003433.5cf0230d@morte> References: <200712080340.49546.rjw@sisk.pl> <20071210204212.GA5502@elte.hu> <20071210125923.37bd2f10.akpm@linux-foundation.org> <20071210224508.GB27178@elte.hu> <20071210230425.GA641@elte.hu> <20071211003433.5cf0230d@morte> X-Mailer: Claws Mail 3.1.0 (GTK+ 2.10.14; i386-redhat-linux-gnu) 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 Stefano Brivio wrote: > Sorry for disappearing. Anyway, yes, those patches fixed it. Precision in > delays isn't that good when using my crappy unstable TSC (mdelay(2000) > causes delays between 2 and 2.9 seconds) but it's not depending on frequency > changes anymore. So I'd say it's fixed, but please tell me if you want me > to do any other test so as to be sure it is. Ingo, it seems you dropped http://lkml.org/lkml/2007/12/7/100 (cpu_clock() based udelay), so how udelay can be affected by your proposed changes? Thanks. -- Guillaume