Re: [PATCH cgroup/for-6.19 1/2] cgroup: Convert css_set_lock from spinlock_t to raw_spinlock_t

From: Tejun Heo

Date: Wed Nov 05 2025 - 11:19:03 EST


On Wed, Nov 05, 2025 at 08:30:09AM +0100, Sebastian Andrzej Siewior wrote:
> This one has a kfree(link) and kfree takes spinlock_t so not working.
...
>
> I am also a bit worried about all these list iterations which happen
> under the lock. There is no upper limit meaning the list can grow with
> limits affecting the time the lock is held.

Good points. Let me think of something else.

Thanks.

--
tejun