Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263164AbUCYOZh (ORCPT ); Thu, 25 Mar 2004 09:25:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263162AbUCYOZR (ORCPT ); Thu, 25 Mar 2004 09:25:17 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:47578 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S263164AbUCYOYv (ORCPT ); Thu, 25 Mar 2004 09:24:51 -0500 Date: Tue, 23 Mar 2004 10:56:01 +0100 From: Pavel Machek To: Kenneth Chen Cc: linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org Subject: Re: add lowpower_idle sysctl Message-ID: <20040323095600.GE1505@openzaurus.ucw.cz> References: <200403180031.i2I0VQF02038@unix-os.sc.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200403180031.i2I0VQF02038@unix-os.sc.intel.com> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 710 Lines: 17 Hi! > On ia64, we need runtime control to manage CPU power state in the idle > loop. Logically it means a sysctl entry in /proc/sys/kernel. Even > though this sysctl entry doesn't exist today, lots of arch already has > some sort of API to dynamically enable/disable low power idle state. If you make it "max Cx state to allow", it will be usefull for ACPI people, too... Pavel -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms - 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/