[PATCH 4.9 19/61] drm/virtio: fix vq wait_event condition

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Gerd Hoffmann commit d02d270014f70dcab0117776b81a37b6fca745ae upstream. Wait until we have enough space in the virt queue to actually queue up our request. Avoids the guest

[PATCH 4.9 19/61] drm/virtio: fix vq wait_event condition

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Gerd Hoffmann commit d02d270014f70dcab0117776b81a37b6fca745ae upstream. Wait until we have enough space in the virt queue to actually queue up our request. Avoids the guest spinning in case