diff options
| -rw-r--r-- | hw/virtio/vhost-shadow-virtqueue.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-virtqueue.c index 8df5296f24..e8e5bbc368 100644 --- a/hw/virtio/vhost-shadow-virtqueue.c +++ b/hw/virtio/vhost-shadow-virtqueue.c @@ -499,17 +499,20 @@ static void vhost_svq_flush(VhostShadowVirtqueue *svq, size_t vhost_svq_poll(VhostShadowVirtqueue *svq) { int64_t start_us = g_get_monotonic_time(); + uint32_t len; + do { - uint32_t len; - VirtQueueElement *elem = vhost_svq_get_buf(svq, &len); - if (elem) { - return len; + if (vhost_svq_more_used(svq)) { + break; } if (unlikely(g_get_monotonic_time() - start_us > 10e6)) { return 0; } } while (true); + + vhost_svq_get_buf(svq, &len); + return len; } /** |