Qns: LUO: Should luo_core throw warning for preserved resource under unregistered handlers

[tarunsahu at google.com]

+ kexec list.

Tarun Sahu <tarunsahu at google.com> writes:

> Hi,
>
> I have a question. If a luo_handler is registered as part of the module
> And In new kernel, the module isn't loaded so the handler will also not
> be registered. And the resources/files preserved in older kernel will be
> leaked after luo_finish in new kernel. Right now, Luo core does not
> throw any warning. Should it throw a warning or prevent finish and let
> the user re-attempt the finish with force if they want.
>
> Guest_memfd preservation is such an example. It gets registered during
> kvm module load.
>
> I remember there was similar discussion raised by Samiullah for
> resources not retrieved but their handler was registered.
>
> ~Tarun