[Xen-changelog] [qemu-upstream-unstable] virtio-rng: remove extra request for entropy

[patchbot@xxxxxxx]

commit 4621c1768ef5d12171cca2aa1473595ecb9f1c9e
Author: Amit Shah <amit.shah@xxxxxxxxxx>
Date:   Wed Nov 21 11:21:19 2012 +0530

    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@xxxxxxxxxx>
    Reviewed-by: Anthony Liguori <aliguori@xxxxxxxxxx>
    Signed-off-by: Anthony Liguori <aliguori@xxxxxxxxxx>
---
 hw/virtio-rng.c |    7 -------
 1 files changed, 0 insertions(+), 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)
--
generated by git-patchbot for /home/xen/git/qemu-upstream-unstable.git

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