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Date: Wed, 1 Nov 2023 19:09:20 +0100
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Alice Ryhl <aliceryhl@google.com>
Cc: Arve =?iso-8859-1?B?SGr4bm5lduVn?= <arve@android.com>,
	Todd Kjos <tkjos@android.com>, Martijn Coenen <maco@android.com>,
	Joel Fernandes <joel@joelfernandes.org>,
	Christian Brauner <brauner@kernel.org>,
	Carlos Llamas <cmllamas@google.com>,
	Suren Baghdasaryan <surenb@google.com>,
	Miguel Ojeda <ojeda@kernel.org>,
	Alex Gaynor <alex.gaynor@gmail.com>,
	Wedson Almeida Filho <wedsonaf@gmail.com>,
	linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org,
	Boqun Feng <boqun.feng@gmail.com>, Gary Guo <gary@garyguo.net>,
	=?iso-8859-1?Q?Bj=F6rn?= Roy Baron <bjorn3_gh@protonmail.com>,
	Benno Lossin <benno.lossin@proton.me>,
	Andreas Hindborg <a.hindborg@samsung.com>,
	Matt Gilbride <mattgilbride@google.com>,
	Jeffrey Vander Stoep <jeffv@google.com>,
	Matthew Maurer <mmaurer@google.com>
Subject: Re: [PATCH RFC 01/20] rust_binder: define a Rust binder driver
Message-ID: <2023110108-overarch-dumpster-5452@gregkh>
References: <20231101-rust-binder-v1-0-08ba9197f637@google.com>
 <20231101-rust-binder-v1-1-08ba9197f637@google.com>
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In-Reply-To: <20231101-rust-binder-v1-1-08ba9197f637@google.com>

On Wed, Nov 01, 2023 at 06:01:31PM +0000, Alice Ryhl wrote:
> From: Wedson Almeida Filho <wedsonaf@gmail.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@gmail.com>
> Co-developed-by: Alice Ryhl <aliceryhl@google.com>
> Signed-off-by: Alice Ryhl <aliceryhl@google.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?