Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751628Ab3IJL3e (ORCPT ); Tue, 10 Sep 2013 07:29:34 -0400 Received: from mail-qe0-f49.google.com ([209.85.128.49]:61685 "EHLO mail-qe0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751509Ab3IJL3a (ORCPT ); Tue, 10 Sep 2013 07:29:30 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 10 Sep 2013 16:59:29 +0530 Message-ID: Subject: Re: "cpufreq: fix serialization issues with freq change notifiers" breaks cpufreq too From: Viresh Kumar To: Guennadi Liakhovetski Cc: Greg KH , "Rafael J. Wysocki" , Linux Kernel Mailing List , "linux-arm-kernel@lists.infradead.org" , "linux-pm@vger.kernel.org" , "cpufreq@vger.kernel.org" , SH-Linux , Magnus Damm Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1432 Lines: 35 On 9 September 2013 20:41, Guennadi Liakhovetski wrote: > Sorry guys, I'm trying my best to stop this patch from propagating to > stable and to get it fixed asap, so, the CC list might be a bit excessive. > Also trying to fix the originally spare cc list, which makes it impossible > for me to reply to the original thread, instead have to start a new one. > > Commit > > commit dceff5ce18801dddc220d6238628619c93bc3cb6 > Author: Viresh Kumar > Date: Sun Sep 1 22:19:37 2013 +0530 > > cpufreq: fix serialization issues with freq change notifiers > > breaks .transition_ongoing counting. This leads to cpufreq-cpu0 not > working any more. In particular switching the governor from performance to > powersave directly after boot doesn't result in a frequency switch any > more. Reverting this patch fixes the problem again. Tested with today's > -next. I have tested it again on my exynos and intel machines and couldn't see a single problem with this patch.. I am afraid you need to give us some more information on how it broke your stuff.. :) And I am also not sure cpufreq-cpu0 is different then any other driver.. -- viresh -- 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/