[PATCH v4 0/3] Fix deadlock caused by cgroup_mutex and cpu_hotplug_lock

[Chen Ridong]

The patch 1 have been reviewed by Michal Koutný.
Add two patches as follow.

v4:
- add a patch to document that saturating the system_wq is not permitted.
- add a patch to adjust WQ_MAX_ACTIVE from 512 to 2048.

v3:
- optimize commit msg.

Link v1: https://lore.kernel.org/cgroups/20240607110313.2230669-1-chenridong@xxxxxxxxxx/
Link v2: https://lore.kernel.org/cgroups/20240719025232.2143638-1-chenridong@xxxxxxxxxx/
Link v3: https://lore.kernel.org/cgroups/20240817093334.6062-1-chenridong@xxxxxxxxxx/


Chen Ridong (3):
  cgroup: fix deadlock caused by cgroup_mutex and cpu_hotplug_lock
  workqueue: doc: Add a note saturating the system_wq is not permitted
  workqueue: Adjust WQ_MAX_ACTIVE from 512 to 2048

 Documentation/core-api/workqueue.rst | 8 ++++++--
 include/linux/workqueue.h            | 2 +-
 kernel/bpf/cgroup.c                  | 2 +-
 kernel/cgroup/cgroup-internal.h      | 1 +
 kernel/cgroup/cgroup.c               | 2 +-
 5 files changed, 10 insertions(+), 5 deletions(-)

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2.34.1