> -Original Message-
> From: Stefan Hajnoczi [mailto:stefa...@redhat.com]
> Sent: Thursday, November 17, 2016 4:18 AM
> To: qemu-devel@nongnu.org
> Cc: Gonglei (Arei); Michael S. Tsirkin; Stefan Hajnoczi
> Subject: [PATCH] virtio-crypto: fix virtio_queue_set_notification() race
>
> We
We must check for new virtqueue buffers after re-enabling notifications.
This prevents the race condition where the guest added buffers just
after we stopped popping the virtqueue but before we re-enabled
notifications.
I think the virtio-crypto code was based on virtio-net but this crucial
detail
