Re: [PATCH v2] PM: sleep: Do not flag runtime PM workqueue as freezable

From: Rafael J. Wysocki

Date: Sun Dec 07 2025 - 06:23:16 EST


On Fri, Dec 5, 2025 at 8:11 PM Bart Van Assche <bvanassche@xxxxxxx> wrote:
>
> On 12/5/25 5:24 AM, Rafael J. Wysocki wrote:
> > For example, it has been reported that blk_queue_enter() may deadlock
> > during a system suspend transition because of the pm_request_resume()
> > usage in it [1].
>
> System resume is also affected. If pm_request_resume() is called before
> the device it applies to is resumed by the system resume code then the
> pm_request_resume() call also hangs.

Rather, the work item queued by it will not make progress.

OK, I'll add this information to the patch changelog while applying it.

> Otherwise this patch looks good to me.

Thank you!