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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,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 02095C2BBCA for ; Wed, 16 Dec 2020 00:36:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D006622E02 for ; Wed, 16 Dec 2020 00:36:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725965AbgLPAf4 (ORCPT ); Tue, 15 Dec 2020 19:35:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725829AbgLPAfw (ORCPT ); Tue, 15 Dec 2020 19:35:52 -0500 Received: from mail-io1-xd31.google.com (mail-io1-xd31.google.com [IPv6:2607:f8b0:4864:20::d31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 572D6C0613D3 for ; Tue, 15 Dec 2020 16:35:12 -0800 (PST) Received: by mail-io1-xd31.google.com with SMTP id w18so8472317iot.0 for ; Tue, 15 Dec 2020 16:35:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joelfernandes.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:cc; bh=yU9Nd85ZijlLkYOsc1l3qZ7RJHr92aND+i+7Yi2A0nU=; b=nk2iSdN+Z0GEkCUAECJpzd/3yG54Q61/+lnFNDEexZGnSWrthOzGGV6L6qQcVMlWcm 3a1o4/H6ipESZ3+LnEbTe8xqqyVh7mlZ1z2P2oZ3zGGqpXqUM8KuwyeI3ZmGAwlwKJXx u4vcjpm4gY7UpAgDkqPfEFA4k33FPwNvrqQMk= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:cc; bh=yU9Nd85ZijlLkYOsc1l3qZ7RJHr92aND+i+7Yi2A0nU=; b=QBmEyssCBjAhUYwr7sO9uls1P+YvWkt0HtF3Jdz/bs9I7RgyTbqyANpwWF85v+5wVA jqeErMxQtliJkHPyk7G8I3mBhc7LFFL5xZYqwYo8qba7hexzpjC1lGZ4hPMAz4CBvTJS Yu8tSuKNe796pDqOypjd+g7blB2a+vQ210/L5kmaqUfpNX7Di2y1ShmNBe+lJaAcWjZU Bi6LCNSrJJEzTl0NTuMTmHr0QUsTTK/vTkwK6EmUrrAjZgsJh0hiI5b6Escq66Urj39E iEVjRrOh+PH3untHArP+lHvUflz9ZQkyZY2CgJmN4EziZ+jX2+zMJcr1OgkAtZI2xZ+i 1dRg== X-Gm-Message-State: AOAM531LJboB+Q3Tt5arxfsD7GVL/30pUUjGtQB2gmBo7x3d5BT3qIao zg5NkSQP1HChHXAEUngMkcRxxZMA112myXX7gh+G0A== X-Received: by 2002:a02:c4d5:: with SMTP id h21mt42666900jaj.23.1608078911663; Tue, 15 Dec 2020 16:35:11 -0800 (PST) MIME-Version: 1.0 References: <20201117232003.3580179-1-joel@joelfernandes.org> <20201117232003.3580179-24-joel@joelfernandes.org> <20201202214717.GA27531@chyser-vm-1.appad1iad.osdevelopmeniad.oraclevcn.com> <20201206173418.GC201514@google.com> <20201209185203.GC6876@chyser-vm-1.appad1iad.osdevelopmeniad.oraclevcn.com> <16a390e4-b44d-b0eb-1df6-6e56d78d009f@oracle.com> <20201214232541.GF201514@google.com> <796ec1e5-15ef-34da-5716-0ec19432deba@oracle.com> In-Reply-To: <796ec1e5-15ef-34da-5716-0ec19432deba@oracle.com> From: Joel Fernandes Date: Tue, 15 Dec 2020 19:35:00 -0500 Message-ID: Subject: Re: [PATCH -tip 23/32] sched: Add a per-thread core scheduling interface Cc: chris hyser , Nishanth Aravamudan , Julien Desfossez , Peter Zijlstra , Tim Chen , Vineeth Pillai , Aaron Lu , Aubrey Li , Thomas Glexiner , LKML , Ingo Molnar , Frederic Weisbecker , Kees Cook , Greg Kerr , Phil Auld , Valentin Schneider , Mel Gorman , Pawan Gupta , Paolo Bonzini , vineeth@bitbyteword.org, Chen Yu , Christian Brauner , Agata Gruza , Antonio Gomez Iglesias , Alexander Graf , konrad.wilk@oracle.com, Dario Faggioli , Paul Turner , Steven Rostedt , Patrick Bellasi , =?UTF-8?B?YmVuYmppYW5nKOiSi+W9qik=?= , Alexandre Chartre , James Bottomley , OWeisse@umich.edu, Junaid Shahid , Jesse Barnes , Ben Segall , Josh Don , Hao Luo , Tom Lendacky , Aubrey Li , Tim Chen Content-Type: text/plain; charset="UTF-8" To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Dhaval, On Tue, Dec 15, 2020 at 1:14 PM Dhaval Giani wrote: > > On 12/14/20 3:25 PM, Joel Fernandes wrote: > > >> No problem. That was there primarily for debugging. > > Ok. I squashed Josh's changes into this patch and several of my fixups. So > > there'll be 3 patches: > > 1. CGroup + prctl (single patch as it is hell to split it) > > Please don't do that. > I am not sure we have thought the cgroup interface through > (looking at all the discussions). Unfortunately, this comment does not provides any information on the issues you are concerned about. If there are specific issues you are concerned about, please don't keep it a secret! What requirement of yours is not being met with the CGroup interface the way it is in v8 series? thanks, - Joel