Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161621AbXEDSu0 (ORCPT ); Fri, 4 May 2007 14:50:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161622AbXEDSu0 (ORCPT ); Fri, 4 May 2007 14:50:26 -0400 Received: from mailer.gwdg.de ([134.76.10.26]:51699 "EHLO mailer.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161621AbXEDSuX (ORCPT ); Fri, 4 May 2007 14:50:23 -0400 Date: Fri, 4 May 2007 20:48:27 +0200 (MEST) From: Jan Engelhardt To: =?UTF-8?B?UmFmYcWCIEJpbHNraQ==?= cc: Dave Jones , cpufreq@lists.linux.org.uk, linux-kernel@vger.kernel.org Subject: Re: cpufreq longhaul locks up In-Reply-To: <463B687D.1020600@interia.pl> Message-ID: References: <463B687D.1020600@interia.pl> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=UTF-8 Content-Transfer-Encoding: 8BIT X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 999 Lines: 29 On May 4 2007 19:08, RafaƂ Bilski wrote: > >Btw. I've been writting many times: if You want to use ondemand with >Longhaul You don't need cpufreq at all. Does VIA Nehemiah do hardware-driven autoregulation like Transmeta Crusoe too? (I suspect no, have not seen that happen.) >It is just one another cool gadget for You. >Longhaul wasn't designed to change frequency often. Is there a way I can start with a specific governor (powersave) right from the start so that all devices that Linux will initialize assume the CPU runs at MHz? >It has big latency and requires so much preparation that it isn't worth >if You don't need to save power or cool down CPU. I found frequency switching on my VIA to be fast enough. Jan -- - 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/