linux-kernel - Re: [PATCH RFC 01/20] rust_binder: define a Rust binder driver

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Message-ID: <2023110108-overarch-dumpster-5452@gregkh>
Date:   Wed, 1 Nov 2023 19:09:20 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Alice Ryhl <aliceryhl@...gle.com>
Cc:     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>,
        Carlos Llamas <cmllamas@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Alex Gaynor <alex.gaynor@...il.com>,
        Wedson Almeida Filho <wedsonaf@...il.com>,
        linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
        Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
        Björn Roy Baron <bjorn3_gh@...tonmail.com>,
        Benno Lossin <benno.lossin@...ton.me>,
        Andreas Hindborg <a.hindborg@...sung.com>,
        Matt Gilbride <mattgilbride@...gle.com>,
        Jeffrey Vander Stoep <jeffv@...gle.com>,
        Matthew Maurer <mmaurer@...gle.com>
Subject: Re: [PATCH RFC 01/20] rust_binder: define a Rust binder driver

On Wed, Nov 01, 2023 at 06:01:31PM +0000, Alice Ryhl wrote:
> From: Wedson Almeida Filho <wedsonaf@...il.com>
> 
> Define the Rust binder driver, and set up the helpers for making C types
> accessible from Rust.
> 
> Signed-off-by: Wedson Almeida Filho <wedsonaf@...il.com>
> Co-developed-by: Alice Ryhl <aliceryhl@...gle.com>
> Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
> ---
>  drivers/android/Kconfig             | 11 +++++++++++
>  drivers/android/Makefile            |  1 +
>  drivers/android/rust_binder.rs      | 21 +++++++++++++++++++++
>  include/uapi/linux/android/binder.h | 30 ++++++++++++++++--------------
>  rust/bindings/bindings_helper.h     |  1 +
>  5 files changed, 50 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig
> index 07aa8ae0a058..fcfd25c9a016 100644
> --- a/drivers/android/Kconfig
> +++ b/drivers/android/Kconfig
> @@ -13,6 +13,17 @@ config ANDROID_BINDER_IPC
>  	  Android process, using Binder to identify, invoke and pass arguments
>  	  between said processes.
>  
> +config ANDROID_BINDER_IPC_RUST
> +	bool "Android Binder IPC Driver in Rust"
> +	depends on MMU && RUST

Can RUST even build on non-mmu systems?