From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Miguel Ojeda <ojeda@kernel.org>
Cc: "Linus Torvalds" <torvalds@linux-foundation.org>,
rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org, patches@lists.linux.dev,
"Jarkko Sakkinen" <jarkko@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Finn Behrens" <me@kloenk.de>,
"Wedson Almeida Filho" <wedsonaf@google.com>,
"Sven Van Asbroeck" <thesven73@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Maciej Falkowski" <m.falkowski@samsung.com>,
"Jiapeng Chong" <jiapeng.chong@linux.alibaba.com>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>
Subject: Re: [PATCH v10 11/27] rust: add `bindings` crate
Date: Tue, 27 Sep 2022 17:23:28 +0200 [thread overview]
Message-ID: <YzMVcM/TxIA7S/1B@kroah.com> (raw)
In-Reply-To: <20220927131518.30000-12-ojeda@kernel.org>
On Tue, Sep 27, 2022 at 03:14:42PM +0200, Miguel Ojeda wrote:
> This crate contains the bindings to the C side of the kernel.
>
> Calling C (in general, FFI) is assumed to be unsafe in Rust
> and, in many cases, this is accurate. For instance, virtually
> all C functions that take a pointer are unsafe since, typically,
> it will be dereferenced at some point (and in most cases there
> is no way for the callee to check its validity beforehand).
>
> Since one of the goals of using Rust in the kernel is precisely
> to avoid unsafe code in "leaf" kernel modules (e.g. drivers),
> these bindings should not be used directly by them.
>
> Instead, these bindings need to be wrapped into safe abstractions.
> These abstractions provide a safe API that kernel modules can use.
> In this way, unsafe code in kernel modules is minimized.
>
> Co-developed-by: Alex Gaynor <alex.gaynor@gmail.com>
> Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com>
> Co-developed-by: Finn Behrens <me@kloenk.de>
> Signed-off-by: Finn Behrens <me@kloenk.de>
> Co-developed-by: Wedson Almeida Filho <wedsonaf@google.com>
> Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com>
> Co-developed-by: Sven Van Asbroeck <thesven73@gmail.com>
> Signed-off-by: Sven Van Asbroeck <thesven73@gmail.com>
> Co-developed-by: Gary Guo <gary@garyguo.net>
> Signed-off-by: Gary Guo <gary@garyguo.net>
> Co-developed-by: Maciej Falkowski <m.falkowski@samsung.com>
> Signed-off-by: Maciej Falkowski <m.falkowski@samsung.com>
> Co-developed-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> Co-developed-by: Björn Roy Baron <bjorn3_gh@protonmail.com>
> Signed-off-by: Björn Roy Baron <bjorn3_gh@protonmail.com>
> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
> ---
> rust/bindings/bindings_helper.h | 13 ++++++++
> rust/bindings/lib.rs | 53 +++++++++++++++++++++++++++++++++
> 2 files changed, 66 insertions(+)
> create mode 100644 rust/bindings/bindings_helper.h
> create mode 100644 rust/bindings/lib.rs
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
next prev parent reply other threads:[~2022-09-27 15:23 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-27 13:14 [PATCH v10 00/27] Rust support Miguel Ojeda
2022-09-27 13:14 ` [PATCH v10 01/27] kallsyms: use `ARRAY_SIZE` instead of hardcoded size Miguel Ojeda
2022-09-27 14:05 ` Geert Stappers
2022-09-27 14:51 ` Greg Kroah-Hartman
2022-09-28 14:58 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 02/27] kallsyms: avoid hardcoding buffer size Miguel Ojeda
2022-09-27 14:52 ` Greg Kroah-Hartman
2022-09-28 14:59 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 03/27] kallsyms: add static relationship between `KSYM_NAME_LEN{,_BUFFER}` Miguel Ojeda
2022-09-27 14:54 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 04/27] kallsyms: support "big" kernel symbols Miguel Ojeda
2022-09-27 14:55 ` Greg Kroah-Hartman
2022-10-29 17:41 ` Guenter Roeck
2022-10-29 18:23 ` Guenter Roeck
2022-09-27 13:14 ` [PATCH v10 05/27] kallsyms: increase maximum kernel symbol length to 512 Miguel Ojeda
2022-09-27 14:56 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 06/27] rust: add C helpers Miguel Ojeda
2022-09-27 14:59 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 07/27] rust: import upstream `alloc` crate Miguel Ojeda
2022-09-27 13:14 ` [PATCH v10 08/27] rust: adapt `alloc` crate to the kernel Miguel Ojeda
2022-09-27 13:51 ` Konstantin Shelekhin
2022-09-27 14:06 ` Miguel Ojeda
2022-09-27 15:13 ` Konstantin Shelekhin
2022-09-27 16:01 ` Miguel Ojeda
2022-09-27 15:35 ` Greg Kroah-Hartman
2022-09-28 15:10 ` Wei Liu
2022-09-28 15:25 ` Miguel Ojeda
2022-09-28 15:27 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 09/27] rust: add `compiler_builtins` crate Miguel Ojeda
2022-09-28 13:25 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 10/27] rust: add `macros` crate Miguel Ojeda
2022-09-27 13:48 ` Konstantin Shelekhin
2022-09-27 13:59 ` Geert Stappers
2022-09-27 14:01 ` Miguel Ojeda
2022-09-28 15:29 ` Wei Liu
2022-09-28 16:36 ` Miguel Ojeda
2022-09-27 13:14 ` [PATCH v10 11/27] rust: add `bindings` crate Miguel Ojeda
2022-09-27 15:23 ` Greg Kroah-Hartman [this message]
2022-09-27 13:14 ` [PATCH v10 12/27] rust: add `kernel` crate Miguel Ojeda
2022-09-27 15:22 ` Greg Kroah-Hartman
2022-09-27 15:36 ` Alex Gaynor
2022-09-27 15:43 ` Miguel Ojeda
2022-09-27 13:14 ` [PATCH v10 13/27] rust: export generated symbols Miguel Ojeda
2022-09-27 15:32 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 14/27] vsprintf: add new `%pA` format specifier Miguel Ojeda
2022-09-27 15:00 ` Greg Kroah-Hartman
2022-09-28 10:09 ` Sergey Senozhatsky
2022-09-27 13:14 ` [PATCH v10 15/27] scripts: checkpatch: diagnose uses of `%pA` in the C side as errors Miguel Ojeda
2022-09-27 15:03 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 16/27] scripts: checkpatch: enable language-independent checks for Rust Miguel Ojeda
2022-09-27 15:02 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 17/27] scripts: decode_stacktrace: demangle Rust symbols Miguel Ojeda
2022-09-27 15:02 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 18/27] scripts: add `generate_rust_analyzer.py` Miguel Ojeda
2022-09-27 13:14 ` [PATCH v10 19/27] scripts: add `generate_rust_target.rs` Miguel Ojeda
2022-09-27 13:14 ` [PATCH v10 20/27] scripts: add `rust_is_available.sh` Miguel Ojeda
2022-09-28 14:49 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 21/27] scripts: add `is_rust_module.sh` Miguel Ojeda
2022-09-27 15:26 ` Greg Kroah-Hartman
2022-09-27 13:14 ` [PATCH v10 22/27] rust: add `.rustfmt.toml` Miguel Ojeda
2022-09-28 13:30 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 23/27] Kbuild: add Rust support Miguel Ojeda
2022-09-27 15:30 ` Greg Kroah-Hartman
2022-09-28 14:56 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 24/27] docs: add Rust documentation Miguel Ojeda
2022-09-27 13:14 ` [PATCH v10 25/27] x86: enable initial Rust support Miguel Ojeda
2022-09-27 15:31 ` Greg Kroah-Hartman
2022-09-28 14:32 ` Wei Liu
2022-09-28 16:39 ` Miguel Ojeda
2022-10-07 17:17 ` Peter Zijlstra
2022-10-10 23:15 ` Sami Tolvanen
2022-10-11 8:04 ` Peter Zijlstra
2022-10-14 17:23 ` Miguel Ojeda
2022-10-14 17:25 ` Boqun Feng
2022-10-14 18:05 ` Miguel Ojeda
2022-10-14 18:34 ` Sami Tolvanen
2022-10-14 20:39 ` Miguel Ojeda
2023-10-09 16:00 ` Matthew Maurer
2023-10-09 16:31 ` Miguel Ojeda
2023-10-09 17:37 ` Greg Kroah-Hartman
2023-10-12 10:47 ` Peter Zijlstra
2023-10-12 17:50 ` Sami Tolvanen
2023-10-12 18:31 ` Kees Cook
2023-10-12 22:26 ` Ramon de C Valle
[not found] ` <CAOcBZOTed1a1yOimdUN9yuuysZ1h6VXa57+5fLAE99SZxCwBMQ@mail.gmail.com>
2023-10-13 7:50 ` Peter Zijlstra
2023-10-13 12:17 ` Ramon de C Valle
2023-10-13 18:54 ` Linus Torvalds
2023-10-13 19:00 ` H. Peter Anvin
2023-10-13 19:22 ` Linus Torvalds
2023-10-14 20:25 ` comex
2023-10-14 20:50 ` H. Peter Anvin
2022-09-27 13:14 ` [PATCH v10 26/27] samples: add first Rust examples Miguel Ojeda
2022-09-27 15:25 ` Greg Kroah-Hartman
2022-09-28 14:23 ` Wei Liu
2022-09-27 13:14 ` [PATCH v10 27/27] MAINTAINERS: Rust Miguel Ojeda
2022-09-27 14:11 ` Geert Stappers
2022-09-27 15:19 ` Kees Cook
2022-09-27 15:34 ` Greg Kroah-Hartman
2022-09-27 15:53 ` Miguel Ojeda
2022-09-27 16:39 ` Greg Kroah-Hartman
2022-09-27 18:14 ` Kees Cook
2022-09-28 0:11 ` Kees Cook
2022-09-28 11:57 ` Wedson Almeida Filho
2022-09-28 12:22 ` Miguel Ojeda
2022-09-27 16:00 ` Wedson Almeida Filho
2022-09-27 16:38 ` Greg Kroah-Hartman
2022-09-28 15:06 ` [PATCH v10 00/27] Rust support Wei Liu
2022-09-28 15:34 ` Miguel Ojeda
2022-09-28 15:40 ` Wei Liu
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