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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 05808C35242 for ; Fri, 24 Jan 2020 11:41:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB20A24676 for ; Fri, 24 Jan 2020 11:40:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391863AbgAXLk4 (ORCPT ); Fri, 24 Jan 2020 06:40:56 -0500 Received: from mx2.suse.de ([195.135.220.15]:50758 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390760AbgAXLkc (ORCPT ); Fri, 24 Jan 2020 06:40:32 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 75869ACB1; Fri, 24 Jan 2020 11:40:29 +0000 (UTC) From: =?UTF-8?q?Michal=20Koutn=C3=BD?= To: cgroups@vger.kernel.org Cc: alex.shi@linux.alibaba.com, guro@fb.com, hannes@cmpxchg.org, kernel-team@android.com, linger.lee@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mediatek@lists.infradead.org, lizefan@huawei.com, matthias.bgg@gmail.com, shuah@kernel.org, surenb@google.com, tj@kernel.org, tomcherry@google.com Subject: [PATCH v2 0/3] cgroup: Iterate tasks that did not finish do_exit() Date: Fri, 24 Jan 2020 12:40:14 +0100 Message-Id: <20200124114017.8363-1-mkoutny@suse.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200120145635.GA30904@blackbody.suse.cz> References: <20200120145635.GA30904@blackbody.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kselftest-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org Hi, thanks for your feedback. I'm sending updated solution that changes task iteration to be consistent with cgroup_is_populated() check and moving the responsibility to check PF_EXITING on the consumers of iterator API. Changes from v1 - v1: https://lore.kernel.org/lkml/20200117151533.12381-1-mkoutny@suse.com/ - Swap the fixing and refactoring patch (in order to make the fix easier for backport) - Don't introduce tasks lists array because of unnecessarily long access code - Fix comment in selftest - I leave the CC:stable on discretion of the maintainer Michal Koutný (2): cgroup: Iterate tasks that did not finish do_exit() cgroup: Clean up css_set task traversal Suren Baghdasaryan (1): kselftest/cgroup: add cgroup destruction test include/linux/cgroup.h | 4 +- kernel/cgroup/cgroup.c | 60 ++++++----- tools/testing/selftests/cgroup/test_core.c | 113 +++++++++++++++++++++ 3 files changed, 146 insertions(+), 31 deletions(-) -- 2.24.1