linux-kernel - Re: [PATCH v2 0/2] gpio: create the /sys/class/gpio mount point with GPIO

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Message-ID: <2024101603-crested-crowd-da88@gregkh>
Date: Wed, 16 Oct 2024 11:12:28 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Kent Gibson <warthog618@...il.com>, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 0/2] gpio: create the /sys/class/gpio mount point with
 GPIO_SYSFS disabled

On Wed, Oct 16, 2024 at 10:49:57AM +0200, Bartosz Golaszewski wrote:
> > Again, the issue is "do not remove apis that userspace relies on".
> > That's all.  I'm going to add another one called "do not mount any
> > filesystem at /sys/devices/class/ as that is insane" as well :)
> >
> 
> I know you're not being 100% serious but I think it's worth mentioning
> that the mounting is not done from the kernel. You can't really impose
> the second one on user-space.

Understood, but I can reject a patch that does "create a mount point for
userspace to use in /sys/class/", which is what I meant here.

thanks,

greg k-h