linux-kernel - Re: [PATCH v6 23/23] [RFC] drivers: android: Binder IPC in Rust

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Message-ID: <202205070050.A870AEAC6@keescook>
Date:   Sat, 7 May 2022 00:55:17 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Miguel Ojeda <ojeda@...nel.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jarkko Sakkinen <jarkko@...nel.org>,
        Wedson Almeida Filho <wedsonaf@...gle.com>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Finn Behrens <me@...enk.de>,
        Sven Van Asbroeck <thesven73@...il.com>,
        Gary Guo <gary@...yguo.net>,
        Wayne Campbell <wcampbell1995@...il.com>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <brauner@...nel.org>,
        Hridya Valsaraju <hridya@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>
Subject: Re: [PATCH v6 23/23] [RFC] drivers: android: Binder IPC in Rust

On Sat, May 07, 2022 at 07:24:21AM +0200, Miguel Ojeda wrote:
> From: Wedson Almeida Filho <wedsonaf@...gle.com>
> 
> A port to Rust of the Android Binder IPC mechanism.
> 
> This module is a work in progress and will be sent for review later
> on, as well as separately from the Rust support.

Is any functionality missing for this driver compared to the C driver?

>  12 files changed, 3400 insertions(+), 13 deletions(-)

The C driver appears to be much larger, so if the Rust binder is
feature-complete, that's quite a reduction in code size.

Are there any other metrics can that be compared in a direct a/b test?

-- 
Kees Cook