[PATCH 03/15] kexec: Add Kexec HandOver (KHO) generation helpers

[Stanislav Kinsburskii]

On Wed, Dec 13, 2023 at 12:04:40AM +0000, Alexander Graf wrote:
> +int register_kho_notifier(struct notifier_block *nb)
> +{
> +	return blocking_notifier_chain_register(&kho.chain_head, nb);
> +}
> +EXPORT_SYMBOL_GPL(register_kho_notifier);
> +
> +int unregister_kho_notifier(struct notifier_block *nb)
> +{
> +	return blocking_notifier_chain_unregister(&kho.chain_head, nb);
> +}
> +EXPORT_SYMBOL_GPL(unregister_kho_notifier);
> +
> +bool kho_is_active(void)
> +{
> +	return kho.active;
> +}
> +EXPORT_SYMBOL_GPL(kho_is_active);
> +

Why should these helpers be restricted to GPL code?