linux-kernel - Re: [PATCH v5 0/8] gpio: notify user-space about config changes in the kernel

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Message-ID: <20241020115150.GA60526@rigel>
Date: Sun, 20 Oct 2024 19:51:50 +0800
From: Kent Gibson <warthog618@...il.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Linus Walleij <linus.walleij@...aro.org>, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v5 0/8] gpio: notify user-space about config changes in
 the kernel

On Fri, Oct 18, 2024 at 11:10:08AM +0200, Bartosz Golaszewski wrote:
> We currently only emit events on changed line config to user-space on
> changes made from user-space. Users have no way of getting notified
> about in-kernel changes. This series improves the situation and also
> contains a couple other related improvements.
>
> This is a reworked approach which gets and stores as much info (all of
> it actually, except for the pinctrl state) the moment the event occurrs
> but moves the actual queueing of the event on the kfifo to a dedicated
> high-priority, ordered workqueue.
>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Reviewed-by: Kent Gibson <warthog618@...il.com>

Cheers,
Kent.