summaryrefslogtreecommitdiffstats
path: root/hw/virtio-rng.c
diff options
context:
space:
mode:
authorAmit Shah2012-11-21 06:51:19 +0100
committerAnthony Liguori2012-11-26 21:26:37 +0100
commit4621c1768ef5d12171cca2aa1473595ecb9f1c9e (patch)
tree233f5a69109eae56d06126f5c18b220153c9539b /hw/virtio-rng.c
parentvirtio-rng: use virtqueue_get_avail_bytes, fix migration (diff)
downloadqemu-4621c1768ef5d12171cca2aa1473595ecb9f1c9e.tar.gz
qemu-4621c1768ef5d12171cca2aa1473595ecb9f1c9e.tar.xz
qemu-4621c1768ef5d12171cca2aa1473595ecb9f1c9e.zip
virtio-rng: remove extra request for entropy
If we got fewer bytes from the backend than requested, don't poke the backend for more bytes; the guest will ask for more (or if the guest has already asked for more, the backend knows about it via handle_input()). Signed-off-by: Amit Shah <amit.shah@redhat.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/virtio-rng.c')
-rw-r--r--hw/virtio-rng.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/hw/virtio-rng.c b/hw/virtio-rng.c
index 6c49bb2e9c..cf5a8ff77e 100644
--- a/hw/virtio-rng.c
+++ b/hw/virtio-rng.c
@@ -80,13 +80,6 @@ static void chr_read(void *opaque, const void *buf, size_t size)
virtqueue_push(vrng->vq, &elem, len);
}
virtio_notify(&vrng->vdev, vrng->vq);
-
- /*
- * Lastly, if we had multiple elems queued by the guest, and we
- * didn't have enough data to fill them all, indicate we want more
- * data.
- */
- virtio_rng_process(vrng);
}
static void virtio_rng_process(VirtIORNG *vrng)