Re: [MAINTAINER SUMMIT] User-space requirements for accelerator drivers

Jani Nikula
2021-09-14T14:40:07Z

On Fri, 10 Sep 2021, Josh Triplett <josh@joshtriplett.org> wrote:
> On Fri, Sep 10, 2021 at 03:00:58PM -0600, Jonathan Corbet wrote:
>> - What constitutes an acceptable user-space implementation in cases
>> where these restrictions apply?
>
> This seems like it'll always be a fuzzy line. The main issue: it's OK if
> there are both open and proprietary users, but it's not OK if the only
> open implementation is an outdated or token project that nobody actually
> uses, that exists and is maintained solely for the purposes of placating
> the kernel requirement. There's no easy way to define that line, other
> than "we'll know it when we see it".

One aspect of it should be easy enough: If you have an issue with your
proprietary stack, but you can't reproduce it with the open stack, you
won't get your fix in the kernel.

BR,
Jani.

--
Jani Nikula, Intel Open Source Graphics Center