On Fri, Aug 13, 2021 at 12:42:51PM -0700, lepton wrote: > Hi Gerd, > > We found a bug in 5.4 kernel and virtgpu_gem_prime_mmap doesn't work > because it references vma_node in gem_base object while ttm code > initialized vma_node in tbo.base object. I am wondering, in your > original serial: > https://patchwork.kernel.org/project/dri-devel/cover/20190805124310.3275-1-kraxel@xxxxxxxxxx/ > (drm/ttm: make ttm bo a gem bo subclass), why you changed to use > embedded gem object for most gpu drivers but skipping virtio gpu? Is > there some specific reason? commit c66df701e783bc666593e6e665f13670760883ee Author: Gerd Hoffmann <kraxel@xxxxxxxxxx> Date: Thu Aug 29 12:32:57 2019 +0200 drm/virtio: switch from ttm to gem shmem helpers HTH, Gerd
