linux-kernel - [PATCH v2 0/3] cgroup: Iterate tasks that did not finish do

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Date:   Fri, 24 Jan 2020 12:40:14 +0100
From:   Michal Koutný <mkoutny@...e.com>
To:     cgroups@...r.kernel.org
Cc:     alex.shi@...ux.alibaba.com, guro@...com, hannes@...xchg.org,
        kernel-team@...roid.com, linger.lee@...iatek.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, lizefan@...wei.com,
        matthias.bgg@...il.com, shuah@...nel.org, surenb@...gle.com,
        tj@...nel.org, tomcherry@...gle.com
Subject: [PATCH v2 0/3] cgroup: Iterate tasks that did not finish do_exit()

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