From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262830AbUKXUP7 (ORCPT ); Wed, 24 Nov 2004 15:15:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262823AbUKXUP7 (ORCPT ); Wed, 24 Nov 2004 15:15:59 -0500 Received: from zeus.kernel.org ([204.152.189.113]:13191 "EHLO zeus.kernel.org") by vger.kernel.org with ESMTP id S262830AbUKXUPx (ORCPT ); Wed, 24 Nov 2004 15:15:53 -0500 Subject: Re: [PATCH] Work around for periodic do_gettimeofday hang From: Arjan van de Ven To: James Bottomley Cc: Andrew Morton , Linux Kernel In-Reply-To: <1101314988.1714.194.camel@mulgrave> References: <1101314988.1714.194.camel@mulgrave> Content-Type: text/plain Message-Id: <1101323621.2811.24.camel@laptop.fenrus.org> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2.dwmw2.1) Date: Wed, 24 Nov 2004 20:13:41 +0100 Content-Transfer-Encoding: 7bit X-Spam-Score: 3.7 (+++) X-Spam-Report: SpamAssassin version 2.63 on canuck.infradead.org summary: Content analysis details: (3.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 1.1 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] 2.5 RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 0.1 RCVD_IN_SORBS RBL: SORBS: sender is listed in SORBS [80.57.133.107 listed in dnsbl.sorbs.net] X-SRS-Rewrite: SMTP reverse-path rewritten from by canuck.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > I've not been able to trace an exact cause for this, but it does seem to > be pretty much eliminated by lowering the clock speed to 100HZ. I > propose the following patch to do this for the slower intel processors > (basically pentiums and below) while I agree with 100Hz for slower cpus, I rather have a config option for it so people (and distros) can select it independent of the exact cpu type they want to compile a kernel for