Synchronize virtio ring, net, blk and scsi with upstream
JIRA: https://issues.redhat.com/browse/RHEL-346
Signed-off-by: Laurent Vivier lvivier@redhat.com
Edited by Laurent Vivier
JIRA: https://issues.redhat.com/browse/RHEL-346
Signed-off-by: Laurent Vivier lvivier@redhat.com