So we can reset after that in the main loop --- tools/virtio/virtio_test.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c index 9b730434997c..7b7829e510c0 100644 --- a/tools/virtio/virtio_test.c +++ b/tools/virtio/virtio_test.c @@ -95,6 +95,19 @@ void vhost_vq_setup(struct vdev_info *dev, struct vq_info *info) assert(r >= 0); } +static void vq_reset(struct vq_info *info, int num, struct virtio_device *vdev) +{ + if (info->vq) + vring_del_virtqueue(info->vq); + + memset(info->ring, 0, vring_size(num, 4096)); + vring_init(&info->vring, num, info->ring, 4096); + info->vq = __vring_new_virtqueue(info->idx, info->vring, vdev, true, + false, vq_notify, vq_callback, "test"); + assert(info->vq); + info->vq->priv = info; +} + static void vq_info_add(struct vdev_info *dev, int num) { struct vq_info *info = &dev->vqs[dev->nvqs]; @@ -104,13 +117,7 @@ static void vq_info_add(struct vdev_info *dev, int num) info->call = eventfd(0, EFD_NONBLOCK); r = posix_memalign(&info->ring, 4096, vring_size(num, 4096)); assert(r >= 0); - memset(info->ring, 0, vring_size(num, 4096)); - vring_init(&info->vring, num, info->ring, 4096); - info->vq = - __vring_new_virtqueue(info->idx, info->vring, &dev->vdev, true, - false, vq_notify, vq_callback, "test"); - assert(info->vq); - info->vq->priv = info; + vq_reset(info, num, &dev->vdev); vhost_vq_setup(dev, info); dev->fds[info->idx].fd = info->call; dev->fds[info->idx].events = POLLIN; -- 2.18.1