Re: Rust kernel policy

Boqun Feng
2025-02-21T05:36:34Z

On Thu, Feb 20, 2025 at 11:19:09PM -0600, Felipe Contreras wrote:
> Greg KH wrote:
> > But for new code / drivers, writing them in rust where these types of
> > bugs just can't happen (or happen much much less) is a win for all of
> > us, why wouldn't we do this?
>
> *If* they can be written in Rust in the first place. You are skipping that
> very important precondition.
>

Hmm.. there are multiple old/new drivers (not a complete list) already
in Rust:

* NVME: https://rust-for-linux.com/nvme-driver
* binder: https://rust-for-linux.com/android-binder-driver
* Puzzlefs: https://rust-for-linux.com/puzzlefs-filesystem-driver
* Apple AGX GPU driver: https://rust-for-linux.com/apple-agx-gpu-driver

, so is there still a question that drivers can be written in Rust?

Regards,
Boqun

> > Rust isn't a "silver bullet" that will solve all of our problems, but it
> > sure will help in a huge number of places, so for new stuff going
> > forward, why wouldn't we want that?
> …