diff options
Diffstat (limited to 'hw/virtio/vhost-vdpa.c')
| -rw-r--r-- | hw/virtio/vhost-vdpa.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index e9826ede2c..450f68f117 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1379,7 +1379,10 @@ static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started) "IOMMU and try again"); return -1; } - memory_listener_register(&v->shared->listener, dev->vdev->dma_as); + if (!v->shared->listener_registered) { + memory_listener_register(&v->shared->listener, dev->vdev->dma_as); + v->shared->listener_registered = true; + } return vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_DRIVER_OK); } @@ -1399,6 +1402,8 @@ static void vhost_vdpa_reset_status(struct vhost_dev *dev) vhost_vdpa_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE | VIRTIO_CONFIG_S_DRIVER); memory_listener_unregister(&v->shared->listener); + v->shared->listener_registered = false; + } static int vhost_vdpa_set_log_base(struct vhost_dev *dev, uint64_t base, |