linux-kernel - [PATCH v3 0/4] cgroup/cpuset: Fix CLONE_INTO

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Message-Id: <20230406140404.2718574-1-longman@redhat.com>
Date:   Thu,  6 Apr 2023 10:04:00 -0400
From:   Waiman Long <longman@...hat.com>
To:     Tejun Heo <tj@...nel.org>, Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Christian Brauner <brauner@...nel.org>
Cc:     cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        Juri Lelli <juri.lelli@...hat.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Michal Koutný <mkoutny@...e.com>,
        gscrivan@...hat.com, Waiman Long <longman@...hat.com>
Subject: [PATCH v3 0/4] cgroup/cpuset: Fix CLONE_INTO_CGROUP problem & other issues

 v3:
  - Update patches 2 & 3 to put task_cs() call under rcu_read_lock().

 v2:
  - Drop v1 patch 3
  - Add a new patch to fix an issue in cpuset_cancel_attach() and
    another patch to add cpuset_can_fork() and cpuset_cacnel_fork()
    methods.

The first patch in this series fixes a problem in
cpuset_cancel_attach(). Patches 2 and 3 fixes the CLONE_INTO_CGROUP
problem in cpuset. The last one is a minor fix.

Waiman Long (4):
  cgroup/cpuset: Wake up cpuset_attach_wq tasks in
    cpuset_cancel_attach()
  cgroup/cpuset: Make cpuset_fork() handle CLONE_INTO_CGROUP properly
  cgroup/cpuset: Add cpuset_can_fork() and cpuset_cancel_fork() methods
  cgroup/cpuset: Make cpuset_attach_task() skip subpartitions CPUs for
    top_cpuset

 kernel/cgroup/cpuset.c | 161 +++++++++++++++++++++++++++++++++--------
 1 file changed, 129 insertions(+), 32 deletions(-)

-- 
2.31.1