From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756860AbYBMIjc (ORCPT ); Wed, 13 Feb 2008 03:39:32 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751972AbYBMIjY (ORCPT ); Wed, 13 Feb 2008 03:39:24 -0500 Received: from mtagate1.uk.ibm.com ([195.212.29.134]:52380 "EHLO mtagate1.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751857AbYBMIjX (ORCPT ); Wed, 13 Feb 2008 03:39:23 -0500 From: Christian Borntraeger To: "H. Peter Anvin" Subject: "avoid overflows in kernel/time" breakes my ondemand scheduler Date: Wed, 13 Feb 2008 09:38:50 +0100 User-Agent: KMail/1.9.7 Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200802130938.50749.borntraeger@de.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello H. Peter, the patch "avoid overflows in kernel/time" makes the ondemand cpufreq scheduler unusable. It looks like the cpufreq scheduler takes minutes to react on load changes. I looked at the patch but did not found an obvious problem. Reverting this patch seems to fix the problem. Do you have any ideas? Christian