Re: [PATCH] WIP: drivers/base: Add virtual_device_create()

Greg Kroah-Hartman
2025-01-31T08:00:34Z

On Thu, Jan 30, 2025 at 04:28:26PM -0500, Lyude Paul wrote:
> As Greg KH pointed out, we have a nice /sys/devices/virtual directory free
> for the taking - but the vast majority of device drivers concerned with
> virtual devices do not use this and instead misuse the platform device API.
>
> To fix this, let's start by adding a simple function that can be used for
> creating virtual devices - virtual_device_create().
>
> Signed-off-by: Lyude Paul <lyude@redhat.com>
>
> ---
>
> So, WIP obviously because I wrote this up in a few minutes - but this goes
> off the idea that Danilo suggested to me off-list of coming up with a
> simple API for handling virtual devices that's a little more obvious to
> use. I wanted to get people's feedback and if we're happy with this idea,
> I'm willing to go through and add some pointers to this function in various
> platform API docs - along with porting over the C version of VKMS over to
> this API.

This is a big better, but not quite. Let me carve out some time today
to knock something a bit nicer together...

thanks,

greg k-h