On Tue, 11/24 19:00, Paolo Bonzini wrote:
> @@ -436,10 +454,11 @@ static void control_out(VirtIODevice *vdev, VirtQueue
> *vq)
> buf = g_malloc(cur_len);
> len = cur_len;
> }
> -iov_to_buf(elem.out_sg, elem.out_num, 0, buf, cur_len);
> +iov_to_buf
The return code of virtqueue_pop/vring_pop is unused except to check for
errors or 0. We can thus easily move allocation inside the functions
and just return a pointer to the VirtQueueElement.
The advantage is that we will be able to allocate only the space that
is needed for the actual size of t
