From patchwork Tue Nov 20 14:26:16 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/4] virtio-rng: remove extra request for entropy Date: Tue, 20 Nov 2012 04:26:16 -0000 From: Amit Shah X-Patchwork-Id: 200346 Message-Id: <690764e834edc670bfef47b469825b684f5a54f6.1353421334.git.amit.shah@redhat.com> To: Anthony Liguori Cc: Amit Shah , Paolo Bonzini , qemu list 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 Reviewed-by: Anthony Liguori --- hw/virtio-rng.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/hw/virtio-rng.c b/hw/virtio-rng.c index 6c49bb2..cf5a8ff 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)