Re: [RESEND PATCH v4 1/1] psi: stop relying on timer_pending for poll_work rescheduling

From: Suren Baghdasaryan
Date: Sat Oct 22 2022 - 00:03:52 EST


On Fri, Oct 21, 2022 at 8:52 PM Hillf Danton <hdanton@xxxxxxxx> wrote:
>
> On 21 Oct 2022 12:54:16 -0700 Suren Baghdasaryan <surenb@xxxxxxxxxx>
> > psi_poll_worker runs at a low FIFO priority to prevent normal tasks
> > from preempting PSI signal generation (see sched_set_fifo_low() call
> > inside psi_poll_worker()), so schedule_delayed_work() would not be
> > usable as is I think, since it uses normal priority system_wq.
>
> I missed FIFO and sorry for my noise.

No issues at all. I appreciate your input!

>
> Hillf