Re: (subset) [PATCH v2] leds: introduce ordered workqueue for leds events instead of system_wq
From: Lee Jones
Date: Wed Nov 06 2024 - 03:12:53 EST
On Wed, 06 Nov 2024, Lee Jones wrote:
> On Wed, 04 Sep 2024 01:39:30 +0300, Dmitry Rokosov wrote:
> > This allows to setup ordered workqueue for leds events. This may be
> > useful, because default 'system_wq' does not guarantee execution order
> > of each work_struct, thus for several brightness update requests (for
> > multiple leds), real brightness switch could be in random order.
> >
> > Yes, for sysfs-based leds we have flush_work() call inside
> > brightness_store() operation, but it's blocking call, so userspace
> > caller can be blocked at a long time, which means leds animation stream
> > can be broken.
> >
> > [...]
>
> Applied, thanks!
>
> [1/1] leds: introduce ordered workqueue for leds events instead of system_wq
> commit: 32360bf6a5d4016669c3545e7b0ec939937f5331
With a couple of style fix-ups.
--
Lee Jones [李琼斯]