Re: [PATCH -v2] cgroup: fix deadlock caused by cgroup_mutex and cpu_hotplug_lock

[Hillf Danton]

On Thu, 25 Jul 2024 09:48:36 +0800 Chen Ridong <chenridong@xxxxxxxxxx>
>
> did you mean to say this issue couldn't happen?
>
1) It is deadlock if watchdog work can not complete before any cgroup work.
2) It is not if you could not trigger it with no more than a dozen cgroup works.

Not important, boy, spin with deadlock erased.