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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 392ABC433EF for ; Mon, 4 Oct 2021 16:57:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1612D61264 for ; Mon, 4 Oct 2021 16:57:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237828AbhJDQ7K (ORCPT ); Mon, 4 Oct 2021 12:59:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237561AbhJDQ7I (ORCPT ); Mon, 4 Oct 2021 12:59:08 -0400 Received: from mail-yb1-xb2b.google.com (mail-yb1-xb2b.google.com [IPv6:2607:f8b0:4864:20::b2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 57335C061745 for ; Mon, 4 Oct 2021 09:57:19 -0700 (PDT) Received: by mail-yb1-xb2b.google.com with SMTP id d131so21972396ybd.5 for ; Mon, 04 Oct 2021 09:57:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=25uBBIA1tJtjRBCrl2+9kZTZSoh3JSnwsuWmdRiH3hw=; b=sMaFKtZMy7Lb9v6s8A+fwAAgVLAYKBFj8zIFXbpoSpe+u1jxti9e3ls2YLh1M81V2e DxUta+jM+Eq0qo+mwhMsFbOi8O0IYr9vy0WFpgx4Gu3hmdkHsV1Wa4rNGtVUs3m4yzPX G8UX9dKhmcywIZr+XjuRX9/jicCUTq5Hdl+vvxm/Ca01CcyAQukkssL9md+12MIz0Q+S rb9jFkGZXowUv6BulYMFgzJpx6X8AU8hJv1Ipj7MQPom24gfewwUnA0oN0xOe9LIHimZ fSen5G5BLL0QMQ1/taR3zAaqEWn80368BNU4vX87L3ru4KNPekwk5BsLaF6H7H1rKsWs xRxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=25uBBIA1tJtjRBCrl2+9kZTZSoh3JSnwsuWmdRiH3hw=; b=AzJV7KEIqYB8nVODZTNG3LaIehfb+NntJuER5LsoX3wsOkGvGNs9/lfppzZ82PvRXi LhEJfb0dckYfKG1XFtkA24Yki0CymARzZPO08yyyCXE3acz/VYRka9N/iSkhkfKdrmoF 9yu9Zys96BEiS3M1qYKeTqAQCLnNZUDTe963lTTntozcdUCb0H5GYM/87mZP/dI99Uu1 kA+YffpauZ/DNL/vBW9HOdUDlIjW8WA73ttieimuDOc6zCa2/TtsV0Ide4FVz4KRHTxv h4Z+x/LZFDKUoX/At18K3cLCCayeCor8FLhe8bsmA3h6Is0vpdYDFu7Mw5zL/+u5gAx3 dFhw== X-Gm-Message-State: AOAM532rIB4mrDOg4vt7s8HgQYlHrBT+qP4coNB2VNj9YqmPudhjpVH2 Vv0CAf2ocfg5zoy8ESL5n/atB+X2hPPO+uMKChxFyw== X-Google-Smtp-Source: ABdhPJzdbqAc9X4N6Bvy/Z1U+lNQQW8XeC7ZckqW+eVDjfVecolfqXv6w996lV2cxq+C2JJEp6ikL7VHTXtomNz0gr4= X-Received: by 2002:a05:6902:124f:: with SMTP id t15mr17915053ybu.161.1633366638338; Mon, 04 Oct 2021 09:57:18 -0700 (PDT) MIME-Version: 1.0 References: <20210617090941.340135-1-lee.jones@linaro.org> In-Reply-To: From: Suren Baghdasaryan Date: Mon, 4 Oct 2021 09:57:07 -0700 Message-ID: Subject: Re: [PATCH 1/1] cgroup-v1: Grant CAP_SYS_NICE holders permission to move tasks between cgroups To: Tejun Heo Cc: Lee Jones , LKML , Zefan Li , Johannes Weiner , cgroups mailinglist , Wei Wang , John Stultz Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 4, 2021 at 9:41 AM Tejun Heo wrote: > > On Thu, Sep 30, 2021 at 02:20:53PM -0700, Suren Baghdasaryan wrote: > > Some of the controllers are moving to cgroup v2 but not all of them > > are there yet. For example, there are still some issues with moving > > the cpu controller to v2 which I believe were discussed during Android > > Microconference at LPC 2021. > > Care to provide a summary? Unfortunately I could not be present at LPC this year but Wei I believe was the presenter (CC'ing him). Wei, could you please summarize the issues with moving the cpu controller to cgroups v2? Also CC'ing John, who I believe tried to upstream this patch before. Thanks, Suren. > > Thanks. > > -- > tejun From mboxrd@z Thu Jan 1 00:00:00 1970 From: Suren Baghdasaryan Subject: Re: [PATCH 1/1] cgroup-v1: Grant CAP_SYS_NICE holders permission to move tasks between cgroups Date: Mon, 4 Oct 2021 09:57:07 -0700 Message-ID: References: <20210617090941.340135-1-lee.jones@linaro.org> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=25uBBIA1tJtjRBCrl2+9kZTZSoh3JSnwsuWmdRiH3hw=; b=sMaFKtZMy7Lb9v6s8A+fwAAgVLAYKBFj8zIFXbpoSpe+u1jxti9e3ls2YLh1M81V2e DxUta+jM+Eq0qo+mwhMsFbOi8O0IYr9vy0WFpgx4Gu3hmdkHsV1Wa4rNGtVUs3m4yzPX G8UX9dKhmcywIZr+XjuRX9/jicCUTq5Hdl+vvxm/Ca01CcyAQukkssL9md+12MIz0Q+S rb9jFkGZXowUv6BulYMFgzJpx6X8AU8hJv1Ipj7MQPom24gfewwUnA0oN0xOe9LIHimZ fSen5G5BLL0QMQ1/taR3zAaqEWn80368BNU4vX87L3ru4KNPekwk5BsLaF6H7H1rKsWs xRxQ== In-Reply-To: List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tejun Heo Cc: Lee Jones , LKML , Zefan Li , Johannes Weiner , cgroups mailinglist , Wei Wang , John Stultz On Mon, Oct 4, 2021 at 9:41 AM Tejun Heo wrote: > > On Thu, Sep 30, 2021 at 02:20:53PM -0700, Suren Baghdasaryan wrote: > > Some of the controllers are moving to cgroup v2 but not all of them > > are there yet. For example, there are still some issues with moving > > the cpu controller to v2 which I believe were discussed during Android > > Microconference at LPC 2021. > > Care to provide a summary? Unfortunately I could not be present at LPC this year but Wei I believe was the presenter (CC'ing him). Wei, could you please summarize the issues with moving the cpu controller to cgroups v2? Also CC'ing John, who I believe tried to upstream this patch before. Thanks, Suren. > > Thanks. > > -- > tejun