avail_empty 59 tools/virtio/ringtest/noring.c bool avail_empty() avail_empty 192 tools/virtio/ringtest/ptr_ring.c bool avail_empty() avail_empty 219 tools/virtio/ringtest/ring.c bool avail_empty() avail_empty 258 tools/virtio/ringtest/virtio_ring_0_9.c bool avail_empty()