linux-kernel - Re: [PATCH 00/17] Rust support

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Date:   Wed, 7 Jul 2021 14:33:57 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     Miguel Ojeda <ojeda@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        rust-for-linux <rust-for-linux@...r.kernel.org>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/17] Rust support

On Wed, Jul 7, 2021 at 8:44 AM Christoph Hellwig <hch@...radead.org> wrote:
>
> Not sure if this is just a state of the union post or if you actually
> want to submit it.  If the later I strongly disagree with merging it,

We are submitting it.

> as you should refined it and prove it actually is useful first.  Where
> useful would be a real-life driver like say nvme or a usb host
> controller driver that actually works and shows benefits over the
> existing one.  Until it shows such usefulness it will just drag
> everyone else down.

It is "proven" in the sense we are already starting to get users
downstream and other interested parties have shown support.

However, others are more conservative and will only start investing
into it if we are in mainline, i.e. if the decision of having Rust or
not is already taken.

But it is fair to ask for a hardware driver to see how it looks like,
which is why the cover letter mentions we are working on one.

Now, if you are OK with non-hardware modules, you can take a look at
Rust Binder (last patch in the series) which is a non-trivial module
and it is already working.

Cheers,
Miguel