On Thu, Jul 04, 2019 at 11:55:59AM -0700, Chia-I Wu wrote: > On Thu, Jul 4, 2019 at 4:48 AM Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote: > > > > On Wed, Jul 03, 2019 at 01:05:12PM -0700, Chia-I Wu wrote: > > > On Tue, Jul 2, 2019 at 7:19 AM Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote: > > > > > > > > Switch to the virtio_gpu_array_* helper workflow. > > > (just repeating my question on patch 6) > > > > > > Does this fix the obj refcount issue? When was the issue introduced? > > > > obj refcount should be fine in both old and new code. > > > > old code: > > drm_gem_object_lookup > > drm_gem_object_put_unlocked > > > > new code: > > virtio_gpu_array_from_handles > > virtio_gpu_array_put_free (in virtio_gpu_dequeue_ctrl_func). > > > > Or did I miss something? > In the old code, drm_gem_object_put_unlocked is called before the vbuf > using the object is retired. Isn't that what object array wants to > fix? I think the fence keeps the bo alive. cheers, Gerd _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
