From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753985AbcHZUKp (ORCPT ); Fri, 26 Aug 2016 16:10:45 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:57162 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751779AbcHZUKn (ORCPT ); Fri, 26 Aug 2016 16:10:43 -0400 Subject: Re: [PATCH v2] locking/percpu-rwsem: Optimize readers and reduce global impact To: Dmitry Shmidt , Tejun Heo , Peter Zijlstra References: <20160809095112.GG30192@twins.programming.kicks-ass.net> <20160810075606.GK6879@twins.programming.kicks-ass.net> <20160810170946.GA11051@redhat.com> <5a2cc178ee03466fa3b104f8f28b44ff@NASANEXM02C.na.qualcomm.com> <20160824213051.GX8185@htj.duckdns.org> <20160826125141.GB16906@mtj.duckdns.org> Cc: John Stultz , Oleg Nesterov , "Paul E. McKenney" , Ingo Molnar , lkml , Rom Lemarchand , Colin Cross , Todd Kjos From: Om Dhyade Message-ID: <1328a6b1-f513-dc6b-4a16-e75ecea7ed9f@codeaurora.org> Date: Fri, 26 Aug 2016 13:10:42 -0700 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 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 8/26/2016 9:47 AM, Dmitry Shmidt wrote: > On Fri, Aug 26, 2016 at 5:51 AM, Tejun Heo wrote: >> Hello, John. >> >> On Thu, Aug 25, 2016 at 07:14:07PM -0700, John Stultz wrote: >>> Hey! Good news. This patch along with Peter's locking changes pushes >>> the latencies down to an apparently acceptable level! >> >> Ah, that's good to hear. Please feel free to ping me if you guys >> wanna talk about cgroup usage in android. > > Thanks a lot for all your help resolving this issue! > Thank you for the help. >> Thanks! >> >> -- >> tejun -- The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project