If I try to interpret the context, it could be C programmers just being negative to Rust because it is not C, that there is a conception of Rust programmers trying to enforce Rust on others, or that Rust programmers will break things.

[–] [email protected] 5 points 2 months ago (12 children)

Behind all the negative tone there is a valid concern though.

If you don't know Rust, and you want to change internal interfaces on the C side, then you have a problem. If you only change the C code, the Rust code will no longer build.

This now brings an interesting challenge to maintainers: How should they handle such merge requests? Should they accept breakage of the Rust code? If yes, who is then responsible for fixing it?

I personally would just decline such merge requests, but I can see how this might be perceived as a barrier - quite a big barrier if you add the learning cliff of Rust.

[–] [email protected] 8 points 2 months ago

IMO, if a developer finds Rust too difficult to learn, they probably shouldn't be writing kernel code in the first place.

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