[PATCH 2/3] drm: introduce DRIVER_FORCE_AUTH

Koenig, Christian Christian.Koenig at amd.com
Wed Jul 3 14:33:18 UTC 2019

Am 03.07.2019 16:00 schrieb Emil Velikov <emil.l.velikov at gmail.com>:
On Wed, 3 Jul 2019 at 14:48, Koenig, Christian <Christian.Koenig at amd.com> wrote:
> Well this is still a NAK.
> As stated previously please just don't remove DRM_AUTH and keep the functionality as it is.
AFAICT nobody was in favour of your suggestion to remove DRM_AUTH from
the handle to/from fd ioclts.
Thus this seems like the second best option.

Well just keep it. As I said please don't change anything here.

Dropping DRM_AUTH from the driver IOCTLs was sufficient to work around the problems at hand far as I know.

And stopping those two at least prevents userspace to abuse this even more.

On the other hand I haven't seen any NAK on dropping DRM_AUTH from them.


Third route that I see is doing driver_name == "amdgpu" || driver_name
== "radeon" in core.
If you have alternative solution I'm all ears.


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