linux-kernel - [PATCH v5 0/3] rust: add `ww

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Message-ID: <20250621184454.8354-1-work@onurozkan.dev>
Date: Sat, 21 Jun 2025 21:44:51 +0300
From: Onur Özkan <work@...rozkan.dev>
To: linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org
Cc: ojeda@...nel.org,
	alex.gaynor@...il.com,
	boqun.feng@...il.com,
	gary@...yguo.net,
	lossin@...nel.org,
	a.hindborg@...nel.org,
	aliceryhl@...gle.com,
	tmgross@...ch.edu,
	dakr@...nel.org,
	peterz@...radead.org,
	mingo@...hat.com,
	will@...nel.org,
	longman@...hat.com,
	felipe_life@...e.com,
	daniel@...lak.dev,
	bjorn3_gh@...tonmail.com,
	Onur Özkan <work@...rozkan.dev>,
	Lyude <thatslyude@...il.com>
Subject: [PATCH v5 0/3] rust: add `ww_mutex` support

This patch series implements Rust abstractions for kernel's
wound/wait mutex (ww_mutex) implementation.

Changes in v5:
- Addressed documentation review notes.
- Removed `unwrap()`s in examples and KUnit tests.

Suggested-by: Lyude <thatslyude@...il.com>
Link: https://rust-for-linux.zulipchat.com/#narrow/channel/291566-Library/topic/Writing.20up.20wrappers.20for.20ww_mutex.3F/with/524269974

Onur Özkan (3):
  rust: add C wrappers for `ww_mutex` inline functions
  implement ww_mutex abstraction for the Rust tree
  add KUnit coverage on Rust `ww_mutex` implementation

 rust/helpers/helpers.c            |   3 +-
 rust/helpers/ww_mutex.c           |  39 +++
 rust/kernel/error.rs              |   1 +
 rust/kernel/sync/lock.rs          |   1 +
 rust/kernel/sync/lock/ww_mutex.rs | 541 ++++++++++++++++++++++++++++++
 5 files changed, 584 insertions(+), 1 deletion(-)
 create mode 100644 rust/helpers/ww_mutex.c
 create mode 100644 rust/kernel/sync/lock/ww_mutex.rs

-- 
2.49.0