Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752190AbaJWVlZ (ORCPT ); Thu, 23 Oct 2014 17:41:25 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:47096 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750814AbaJWVlX (ORCPT ); Thu, 23 Oct 2014 17:41:23 -0400 Message-ID: <54497600.4000904@codeaurora.org> Date: Thu, 23 Oct 2014 14:41:20 -0700 From: Saravana Kannan User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130329 Thunderbird/17.0.5 MIME-Version: 1.0 To: Viresh Kumar CC: "Rafael J . Wysocki" , Todd Poynor , "Srivatsa S . Bhat" , "linux-pm@vger.kernel.org" , Linux Kernel Mailing List , "linux-arm-msm@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Stephen Boyd Subject: Re: [PATCH v4 0/5] Simplify hotplug/suspend handling References: <1405464473-3916-1-git-send-email-skannan@codeaurora.org> <1406250448-470-1-git-send-email-skannan@codeaurora.org> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/16/2014 01:53 AM, Viresh Kumar wrote: > On 25 July 2014 06:37, Saravana Kannan wrote: >> Series of patchs to simplify policy/sysfs/kobj/locking handling across >> suspend/resume >> >> The following have been tested so far on a 2x2 cluster environment: >> - Boot with 2 cpus and no cpufreq driver. >> - mod probe driver and see cpufreq sysfs files show up only for the 1st cluster. >> - Online the rest of the 2 CPUs and have files show up correctly. >> - rmmod the driver and see the files go away. >> - modprobe again (or back and forth multiples times) and see it work. >> - suspend/resume works as expected. >> - When a cluster is offline, all read/writes to its sysfs files return an error >> >> v4 >> - Split it up into smaller patches >> - Will handle physical CPU removal correctly >> - Fixed earlier mistake of deleting code under !recover_policy >> - Dropped some code refactor that reuses a lot of code between add/remove >> - Dropped fix for exiting hotplug race with cpufreq driver probe/rmmod >> - Dropped changes will come later once this series is acked. > > Hi Saravana, > > Any updates on this? We might need some of this soon or should somebody > else start working on this ? > Hey, Sorry for the delay. Got side tracked with some commercial stuff. I'm still invested in finishing this up. I'll try to send out something within a week. I did notice (didn't read mych) the "Locking issues with cpufreq and sysfs" thread. I think my patches should side step most of it. Thanks, Saravana -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation -- 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/