Re: [RFC bpf-next v4 0/7] Introduce eBPF support for HID devices (new attempt)

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On Sat, Apr 30, 2022 at 09:12:09AM +0200, Benjamin Tissoires wrote:
> 
> Also, I wonder if we should not have some way to namespace kfuncs.
> Ideally, I would like to prevent the usage of those kfuncs outside of
> some helpers that I define in HID so I don't have to worry too much
> about other trace programs fuzzing and segfaulting the kernel.

That would be a great feature to have. Other folks expressed the same interest.
Just grouping them by prog type is not flexible enough.
It feels kfuncs could be scoped by (prog_type, attach_btf_id or attach_hook) pair.
What are your thoughts?



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