> On Jul 18, 2023, at 2:57 PM, Mouse <mo...@rodents-montreal.org> wrote:
>
>>> What does Mesa use kcmp(2) for?
>> Working out whether two device handles are to the same DRM device.
>
>>> Is there another way to accomplish what Mesa is trying to use it for?
>> I don't know of one.
>
> Is fstat() plus checking st_rdev (and possibly other fields)
> insufficient?
That *might* work in this particular case, but it would not work for e.g. a
cloning device where you get additional descriptors via dup() or whatever.
-- thorpej
