From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3F84C432C0 for ; Wed, 27 Nov 2019 14:31:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B289A206F0 for ; Wed, 27 Nov 2019 14:31:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727197AbfK0Obm (ORCPT ); Wed, 27 Nov 2019 09:31:42 -0500 Received: from foss.arm.com ([217.140.110.172]:48410 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726926AbfK0Obl (ORCPT ); Wed, 27 Nov 2019 09:31:41 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 065A831B; Wed, 27 Nov 2019 06:31:41 -0800 (PST) Received: from [192.168.0.9] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DF94F3F68E; Wed, 27 Nov 2019 06:31:39 -0800 (PST) Subject: Re: [PATCH] arm: Fix topology setup in case of CPU hotplug for CONFIG_SCHED_MC To: Atish Patra , Russell King , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Morten Rasmussen , Lukasz Luba , Sudeep Holla References: <20191120104212.14791-1-dietmar.eggemann@arm.com> <20191124214753.m6lwcdemnddltctw@core.my.home> <50dfafee-55c3-767c-55f4-7d263feafe87@arm.com> <20191126214557.53afmorihwqimq2n@core.my.home> From: Dietmar Eggemann Message-ID: <9119c1db-b98d-67d4-ce4c-d9a9b298937a@arm.com> Date: Wed, 27 Nov 2019 15:31:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: <20191126214557.53afmorihwqimq2n@core.my.home> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 26/11/2019 22:45, Ondřej Jirman wrote: > On Tue, Nov 26, 2019 at 11:42:02AM +0100, Dietmar Eggemann wrote: >> On 24/11/2019 22:47, Ondřej Jirman wrote: >>> Hello, >>> >>> On Wed, Nov 20, 2019 at 10:42:12AM +0000, Dietmar Eggemann wrote: [...] >> Thanks for testing! Which Cpufreq driver is your system using? > > Hello, > > it's using cpufreq-dt. Thanks for the info! It's dt-based so this one is safe in regards to retrieving the correct topology core mask during CPU hp stress (i.e. from multiple CPUs at the same time). [...]