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=-4.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D7D17C432BE for ; Wed, 1 Sep 2021 16:42:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BBD2361053 for ; Wed, 1 Sep 2021 16:42:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344108AbhIAQne (ORCPT ); Wed, 1 Sep 2021 12:43:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245469AbhIAQnd (ORCPT ); Wed, 1 Sep 2021 12:43:33 -0400 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9A39C061575; Wed, 1 Sep 2021 09:42:36 -0700 (PDT) Received: by mail-pj1-x102d.google.com with SMTP id c6so2290300pjv.1; Wed, 01 Sep 2021 09:42:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=I/12n8rMfk8oX95Dp/kXhDB9zSufOAz0gOizwOSygwA=; b=H7mNS9HMvgMOWRHP97ycjoSDuuEtjVdJIYCUlqa2c0NCNb2NsE4kulK1Mxf2TgcFD4 J9DHpdMgW5jd9BeLaFDF14Cm0vkRYHdEQaNyuKHjPKX8n87v4jmj4ZDlnLUjjf5eh8sv MpwaozggVg9f4wmh0aQA0RvlhAa0nyprm8O45fPcshfXZPd7uRyn9/ZrxMwtule0d7le XnxkMgJdyNlwI1lIy6V+ieBs6QyWgmFHgfdQho3Y9mLMYrIn8eIzW90i/uG+oMljT2q/ xkj27W3WnoA+uPu0AirIYiUeNUy4BR+fQvJK+lADfxrX0PIFZZTjGk5kEV1mwUJ7996J Kwqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=I/12n8rMfk8oX95Dp/kXhDB9zSufOAz0gOizwOSygwA=; b=dpZ1Od5FB91rUrkt7WASdhXOfS3m9rdFryD56vaWdXMOFm4VNd5mMPB94MfeCyxZD5 6cB6SwuQz+wtahkwQsQZBlmH9/tlaEfk+VFMbVX6y8Rjdfet0ZZxolyNty1nphuJ93Ly sYgJ67vbVVsMvfW5M4unjwuOdVMKC719R6Thf3vcL9wDFFTqHZF6zyvyhunusSKq/eWS 2xlBChD+nqZScdEXaQ8/GIEmYeB4d2rpEYi29I6fiW9D5u17LuGToF9mtKzbMLu5tA5E n4/neth1hTfiyEpoO29LTVkyWwIaGnkZYroh8vaiPzWgPnH3P6nM1+Z7KYcOvPM1HRhB Dexg== X-Gm-Message-State: AOAM5305vmviJJi6kloFzN6eJ40nxS8eDUi8C6NT4hEiTqpPBhiuqT5V nIJq5WXV/yoeN8x161hfT7U= X-Google-Smtp-Source: ABdhPJzQwcGeUv6/mkm0HcKNwdhxquuR3Ys6NzfG789VsUTUjIAf7wjiWW3ti7i6eH/Nu8hLdq1VrA== X-Received: by 2002:a17:90a:680c:: with SMTP id p12mr219664pjj.33.1630514556035; Wed, 01 Sep 2021 09:42:36 -0700 (PDT) Received: from localhost (2603-800c-1a02-1bae-e24f-43ff-fee6-449f.res6.spectrum.com. [2603:800c:1a02:1bae:e24f:43ff:fee6:449f]) by smtp.gmail.com with ESMTPSA id 21sm39762pfh.103.2021.09.01.09.42.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Sep 2021 09:42:35 -0700 (PDT) Sender: Tejun Heo Date: Wed, 1 Sep 2021 06:42:34 -1000 From: Tejun Heo To: Hao Xu Cc: Jens Axboe , Zefan Li , Johannes Weiner , Pavel Begunkov , io-uring@vger.kernel.org, cgroups@vger.kernel.org, Joseph Qi Subject: Re: [PATCH 2/2] io_uring: consider cgroup setting when binding sqpoll cpu Message-ID: References: <20210901124322.164238-1-haoxu@linux.alibaba.com> <20210901124322.164238-3-haoxu@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org On Wed, Sep 01, 2021 at 06:41:34AM -1000, Tejun Heo wrote: > I don't know what the intended behavior here should be and we haven't been ^ have > pretty bad at defining reasonable behavior around cpu hotplug, so it'd > probably be worthwhile to consider what the behavior should be. -- tejun