virtio: make virtio_should_notify static

Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>

hw/virtio/virtio.c

@@ -1383,7 +1383,7 @@ static void virtio_set_isr(VirtIODevice *vdev, int value)
     }
 }
 
-bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq)
+static bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq)
 {
     uint16_t old, new;
     bool v;

include/hw/virtio/virtio.h

@@ -182,7 +182,6 @@ void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
                                unsigned int *out_bytes,
                                unsigned max_in_bytes, unsigned max_out_bytes);
 
-bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq);
 void virtio_notify_irqfd(VirtIODevice *vdev, VirtQueue *vq);
 void virtio_notify(VirtIODevice *vdev, VirtQueue *vq);