On 2019/06/14, Koenig, Christian wrote: > Am 14.06.19 um 17:53 schrieb Emil Velikov: > > On 2019/06/14, Koenig, Christian wrote: > >> Am 14.06.19 um 14:09 schrieb Emil Velikov: > >>> On 2019/05/27, Emil Velikov wrote: > >>> [SNIP] > >>> Hi Christian, > >>> > >>> > >>> In the following, I would like to summarise and emphasize the need for > >>> DRM_AUTH removal. I would kindly ask you to spend a couple of minutes > >>> extra reading it. > >>> > >>> > >>> Today DRM drivers* do not make any distinction between primary and > >>> render node clients. > >> That is actually not 100% correct. We have a special case where a DRM > >> master is allowed to change the priority of render node clients. > >> > > Can you provide a link? I cannot find that code. > > See amdgpu_sched_ioctl(). > > >>> Thus for a render capable driver, any premise of > >>> separation, security or otherwise imposed via DRM_AUTH is a fallacy. > >> Yeah, that's what I agree on. I just don't think that removing DRM_AUTH > >> now is the right direction to take. > >> > > Could have been clearer - I'm talking about DRM_AUTH | DRM_RENDER_ALLOW > > ioctls. > > > > That aside, can you propose an alternative solution that addresses this > > and the second point just below? > > Give me a few days to work on this, it's already Friday 6pm here. > Hi Christian, Any progress? As mentioned earlier, I'm OK with writing the patches although I would love to hear your plan. Thanks Emil _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
