search for: has_indirect_desc

...lt; elemcnt) { > + indirect = virtio_has_feature(vgdev->vdev, VIRTIO_RING_F_INDIRECT_DESC); > + vqcnt = indirect ? 1 : elemcnt; Is the feature dynamic and require the lock held? If not, the result can be cached and the fixup can happen before grabbing the lock if (vgdev->has_indirect_desc) elemcnt = 1; Either way, patch is Reviewed-by: Chia-I Wu <olvaffe at gmail.com> > + if (vq->num_free < vqcnt) { > spin_unlock(&vgdev->ctrlq.qlock); > - wait_event(vgdev->ctrlq.ack_queue, vq->num_free >= elemcnt); &g...

If the virtio device supports indirect ring descriptors we need only one ring entry for the whole command. Take that into account when checking whenever the virtqueue has enough free entries for our command. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/virtio/virtgpu_vq.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git

If the virtio device supports indirect ring descriptors we need only one ring entry for the whole command. Take that into account when checking whenever the virtqueue has enough free entries for our command. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/virtio/virtgpu_vq.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git

If the virtio device supports indirect ring descriptors we need only one ring entry for the whole command. Take that into account when checking whenever the virtqueue has enough free entries for our command. Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/virtio/virtgpu_drv.h | 1 + drivers/gpu/drm/virtio/virtgpu_debugfs.c | 1 +