Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270697AbTHAJSV (ORCPT ); Fri, 1 Aug 2003 05:18:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270699AbTHAJSV (ORCPT ); Fri, 1 Aug 2003 05:18:21 -0400 Received: from skunk.physik.uni-erlangen.de ([131.188.163.240]:62181 "EHLO skunk.physik.uni-erlangen.de") by vger.kernel.org with ESMTP id S270697AbTHAJSU (ORCPT ); Fri, 1 Aug 2003 05:18:20 -0400 From: Christian Vogel Date: Fri, 1 Aug 2003 11:18:15 +0200 To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: Re: linux-2.6.0-test2: Never using pm_idle (CPU wasting power) Message-ID: <20030801111815.A14236@skunk.physik.uni-erlangen.de> References: <20030731150722.A5938@skunk.physik.uni-erlangen.de> <20030731155948.1826b9c7.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.16i In-Reply-To: <20030731155948.1826b9c7.akpm@osdl.org>; from akpm@osdl.org on Thu, Jul 31, 2003 at 03:59:48PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 782 Lines: 20 Hi Andrew, On Thu, Jul 31, 2003 at 03:59:48PM -0700, Andrew Morton wrote: > Yes, I assume that need_resched() is always false because kernel preemption > cuts in first. Can you please confirm that you're using CONFIG_PREEMPT, > and that the problem goes away if CONFIG_PREEMPT is disabled? Yes I was using PREEMPT, unfortunately the machine is not here right now so I can't test without it. Your diff is also exactly what I did and it helped. (I already wrote that). Chris -- Smith & Wesson: The original point-and-click interface - 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/