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| author | Tejun Heo <tj@kernel.org> | 2020-01-30 17:37:33 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2020-01-30 17:37:33 +0100 |
| commit | 0cd9d33ace336bc424fc30944aa3defd6786e4fe (patch) | |
| tree | eb96a2a3b8d55ecd4c96741eefd766c9d86c68e7 /kernel/irq_work.c | |
| parent | Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rd... (diff) | |
| download | linux-0cd9d33ace336bc424fc30944aa3defd6786e4fe.tar.xz linux-0cd9d33ace336bc424fc30944aa3defd6786e4fe.zip | |
cgroup: init_tasks shouldn't be linked to the root cgroup
5153faac18d2 ("cgroup: remove cgroup_enable_task_cg_lists()
optimization") removed lazy initialization of css_sets so that new
tasks are always lniked to its css_set. In the process, it incorrectly
ended up adding init_tasks to root css_set. They show up as PID 0's in
root's cgroup.procs triggering warnings in systemd and generally
confusing people.
Fix it by skip css_set linking for init_tasks.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: https://github.com/joanbm
Link: https://github.com/systemd/systemd/issues/14682
Fixes: 5153faac18d2 ("cgroup: remove cgroup_enable_task_cg_lists() optimization")
Cc: stable@vger.kernel.org # v5.5+
Diffstat (limited to 'kernel/irq_work.c')
0 files changed, 0 insertions, 0 deletions