Re: Rust kernel policy

From: Boqun Feng
Date: Mon Feb 24 2025 - 15:38:04 EST


On Thu, Feb 20, 2025 at 11:59:10PM -0600, Felipe Contreras wrote:
> Boqun Feng wrote:
> >
> > 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:
>
> That is a black swan fallacy. Just because you've seen 4 white swans
> that doesn't mean all swans are white.
>
> > , so is there still a question that drivers can be written in Rust?
>
> I didn't say no driver can be written Rust, I questioned whether *all*
> drivers can be written in Rust.
>

Huh? Your previous reply is:

"*If* they can be written in Rust in the first place. You are skipping
that very important precondition."

how does that imply you questioned whether *all* drivers can be written
in Rust.

Care to explain your logic?

Regards,
Boqun

> People are operating under that assumption, but it isn't necessarily true.
>
> --
> Felipe Contreras