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

Dave Hansen
2021-09-10T23:57:25Z

On 9/10/21 4:45 PM, Josh Triplett wrote:
> On Sat, Sep 11, 2021 at 12:52:14AM +0200, Mauro Carvalho Chehab wrote:
>> On media, enforcing userspace to always be open source would
>> have been very bad, as it would prevent several videoconferencing
>> software to exist on Linux.
> I don't think we should enforce that all userspace users of an interface
> be Open Source. I do think we should enforce that *some* userspace user
> of an interface be Open Source before we add the interface.

Right, if there's *no* open userspace, we can't meaningfully test or
debug the thing.

Maybe we don't need a whole userspace stack for every last interface,
but if folks can't even offer up a selftest, it's not a good sign.