From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753867Ab3ARTA3 (ORCPT ); Fri, 18 Jan 2013 14:00:29 -0500 Received: from mail.skyhub.de ([78.46.96.112]:46333 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751686Ab3ARTA1 (ORCPT ); Fri, 18 Jan 2013 14:00:27 -0500 Date: Fri, 18 Jan 2013 20:00:21 +0100 From: Borislav Petkov To: Matthew Garrett Cc: "Gopalakrishnan, Aravind" , "rjw@sisk.pl" , Andre Przywara , "cpufreq@vger.kernel.org" , "linux-pm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Andreas Subject: Re: [PATCH] drivers/cpufreq: Warn user when powernow-k8 tries to fall back to acpi-cpufreq and it is unavailable. Message-ID: <20130118190021.GD4062@pd.tnic> Mail-Followup-To: Borislav Petkov , Matthew Garrett , "Gopalakrishnan, Aravind" , "rjw@sisk.pl" , Andre Przywara , "cpufreq@vger.kernel.org" , "linux-pm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Andreas References: <1357780161-30581-1-git-send-email-Aravind.Gopalakrishnan@amd.com> <20130111144940.GB21882@liondog.tnic> <20130111165054.GD10751@liondog.tnic> <4923C2DE085EEB4FAB1D375DD09D0BA6100CF170@sausexdag04.amd.com> <20130117115436.GA3853@pd.tnic> <20130118162347.GA31499@srcf.ucam.org> <20130118170755.GB4062@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20130118170755.GB4062@pd.tnic> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 18, 2013 at 06:07:55PM +0100, Borislav Petkov wrote: > > Just flip the link order? It's only the way it is because in the > > past we wanted to try hardware-specific drivers before more generic > > ones, and I don't think that's a concern in this case now. > > Yeah, I heard that the acpi-idle and intel-idle drivers do that and also > heard that it was a hack. It doesn't look too ugly IMHO: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=2671717265ae6e720a9ba5f13fbec3a718983b65 Haha, this turns into one of those chicken-or-the-egg problems: >>From : ################################################################################## # x86 drivers. # Link order matters. K8 is preferred to ACPI because of firmware bugs in early # K8 systems. ... Great. :( -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --