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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 C0C4CC63697 for ; Mon, 23 Nov 2020 14:48:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6E6F020782 for ; Mon, 23 Nov 2020 14:48:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="HBmYLN3X" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728740AbgKWOsc (ORCPT ); Mon, 23 Nov 2020 09:48:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729203AbgKWOsa (ORCPT ); Mon, 23 Nov 2020 09:48:30 -0500 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6065EC061A4D for ; Mon, 23 Nov 2020 06:48:29 -0800 (PST) Received: by mail-wr1-x444.google.com with SMTP id r3so551624wrt.2 for ; Mon, 23 Nov 2020 06:48:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=j3w1GqHE08GStM/FLoVxqtcruKl7crLd6tb2/zrsaZo=; b=HBmYLN3XpZuXc+k7o3oPHKUiBOVZVGKMLlUtlZYnuMYguOXjuS7k+Y3qtnx9wY/UmJ a5gcLYQmvATwN3KcQAL2GNy/JOUBnWvNttq0kl0MtuxVaT1Bset1PUM0wRQe7efukfH4 zFVekyFAz0HROoZGdmVZrLKicLJNXNXPLmsoyHkar8xpZZhnYl0sOLL5x4QQ+oK7ztYd kvnye4dIrZNljZ5iEWLH6DvobUmKXXjDrKJI3xeAdnQwFGCkrU0WlwNFUhpNbYI+t1t6 jOuSI9LT3vYQ+Qo/401gZ84DarbWpSFRzoImCb6m4AlMD+e6gX2ww5L5GHUZ/IyQPs0L Ro8w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=j3w1GqHE08GStM/FLoVxqtcruKl7crLd6tb2/zrsaZo=; b=psLz6S6J3gRcsUu0DgP81jFSNajy7OjGVqhrvNbj1hTWZ6tlDuO7quMnsQ75PfA7CQ hk4Ec3S67NWb88+oPuwyGO7vyh8nm1I0IQOYmxgNvlHx47cvs78pZ1RSXW7fSFjQQ8Nv AN/Bt1NU7OXKT4cZhd0rJuvqOQyHEWqHzMu1+s20Hsigd5N4MiF557/C/2romd3o4cMI wd6PqlsFMf3LkoW2coffRqfgFqgpDAR0Cd8VUuHJZBukxxeZpxE6e1B2Demh2dAIQpq+ 0Z+PGDU5ZSvy616qTkJdXep0QXd1cmkk9pcWfUcVAyAXD5X1M/XNowYMP+xWCdjGmbL2 HOog== X-Gm-Message-State: AOAM531wRUgyevjZQRKRBnQoyfkI4ilyFQoeALvnzNH4TdhaLjf56QFt /eh5r6kOFdWVWzCwJTqGK2whtkHnxXdryj2M X-Google-Smtp-Source: ABdhPJx6nTEwiFj8zZhxXBuJbb4oSybAB3dPrXTH+w6ewGwc/0dai1XkAj+mvfJ/6d3uF5/5kpr7Hw== X-Received: by 2002:adf:e481:: with SMTP id i1mr22651329wrm.282.1606142907911; Mon, 23 Nov 2020 06:48:27 -0800 (PST) Received: from google.com ([2a00:79e0:d:210:f693:9fff:fef4:a7ef]) by smtp.gmail.com with ESMTPSA id x2sm19346846wru.44.2020.11.23.06.48.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Nov 2020 06:48:27 -0800 (PST) Date: Mon, 23 Nov 2020 14:48:24 +0000 From: Quentin Perret To: Will Deacon Cc: linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, Catalin Marinas , Marc Zyngier , Greg Kroah-Hartman , Peter Zijlstra , Morten Rasmussen , Qais Yousef , Suren Baghdasaryan , Tejun Heo , Li Zefan , Johannes Weiner , Ingo Molnar , Juri Lelli , Vincent Guittot , kernel-team@android.com Subject: Re: [PATCH v3 10/14] sched: Introduce arch_cpu_allowed_mask() to limit fallback rq selection Message-ID: <20201123144824.GA586782@google.com> References: <20201113093720.21106-1-will@kernel.org> <20201113093720.21106-11-will@kernel.org> <20201119093850.GD2416649@google.com> <20201119110709.GD3946@willie-the-truck> <20201119203906.GA5099@willie-the-truck> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201119203906.GA5099@willie-the-truck> Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Thursday 19 Nov 2020 at 20:39:07 (+0000), Will Deacon wrote: > Ah, so in doing this I realised I don't like arch_cpu_possible_mask() so > much because it makes it sound like a back-end to cpu_possible_mask, but > the two are really different things. > > arch_task_cpu_possible_mask() might work? Yes, making it explicit in the name that this is a task-specific thing doesn't hurt. Thanks, Quentin