Re: Rust kernel policy

[Christoph Hellwig]

On Tue, Feb 18, 2025 at 06:36:55PM +0100, Jiri Kosina wrote:
> > [2] The idea of drivers in eBPF as done by HID also really doesn't help
> > with that as much as I like eBPF for some use cases
> 
> I don't necessarily agree on this specific aspect, but what (at least to 
> me personally) is the crucial point here -- if we at some point decide 
> that HID-eBPF is somehow potentially unhealthy for the project / 
> ecosystem, we can just drop it and convert the existing eBPF snippets to a 
> proper simple HID bus drivers trivially (I'd even dare to say that to some 
> extent perhaps programatically).

Well, Linus declared any bpf kfunc / helper program type change that
breaks userspace as a no-go.  And such a change very much does.