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

[Alexander Graf <graf@amazon.com>]

On 13.12.23 19:36, Stanislav Kinsburskii wrote:
> 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?


That's a simple one: Everything should be EXPORT_SYMBOL_GPL by default. 
You need to have really good reasons to export anything for non-GPL 
modules. I don't have a good reason for them, so it's GPL only :)


Alex





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