Set the current virtqueue as broken if the appropriate host kick failed (e.g. if the device was hot-unplugged via host means). This error info can be exploited at various other places where a host kick is triggered.
Signed-off-by: Heinz Graalfs <[email protected]> --- drivers/s390/kvm/virtio_ccw.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c index 6a410d4..ac0ace6 100644 --- a/drivers/s390/kvm/virtio_ccw.c +++ b/drivers/s390/kvm/virtio_ccw.c @@ -384,6 +384,8 @@ static void virtio_ccw_kvm_notify(struct virtqueue *vq) vcdev = to_vc_device(info->vq->vdev); ccw_device_get_schid(vcdev->cdev, &schid); info->cookie = do_kvm_notify(schid, vq->index, info->cookie); + if (info->cookie < 0) + virtqueue_set_broken(vq); } static int virtio_ccw_read_vq_conf(struct virtio_ccw_device *vcdev, -- 1.8.3.1 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
