> +static int vfio_ap_mdev_open(struct mdev_device *mdev)
> +{
> +     struct ap_matrix_mdev *matrix_mdev = mdev_get_drvdata(mdev);
> +     unsigned long events;
> +     int ret;
> +
> +     matrix_mdev->group_notifier.notifier_call = vfio_ap_mdev_group_notifier;
> +     events = VFIO_GROUP_NOTIFY_SET_KVM;
> +     ret = vfio_register_notifier(mdev_dev(mdev), VFIO_GROUP_NOTIFY,
> +                                  &events, &matrix_mdev->group_notifier);
> +
> +     ret = kvm_ap_configure_matrix(matrix_mdev->kvm,
> +                                   matrix_mdev->matrix);
> +     if (ret)
> +             return ret;
> +
> +     ret = kvm_ap_enable_ie_mode(matrix_mdev->kvm);

Can't this happen while the guest is already running? Or what hinders us
from doing that?

> +
> +     return ret;
> +}
> +
> +static void vfio_ap_mdev_release(struct mdev_device *mdev)

Thanks,

David / dhildenb

Reply via email to