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

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Date:   Wed, 7 Jul 2021 15:12:58 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Wedson Almeida Filho <wedsonaf@...gle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Christoph Hellwig <hch@...radead.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.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 07, 2021 at 03:07:50PM +0100, Wedson Almeida Filho wrote:
> Miguel's point is that it does implement the vast majority of binder features
> and is non-trivial, so it could be used as evidence that useful kernel drivers
> can be built with Rust; not just "transpiled" from C, but written with the Rust
> safety guarantees.

binder is not a kernel driver.  It is a ill design IPC mechanism
absolutely no representative for other kernel code.

Please write an actual real driver dealing with real (and common) hardware
and come back with the results.