linux-kernel - [GIT PULL] [PATCH 1/4] Rust atomics & locking changes for v6.19

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Message-ID: <20251114060200.12982-1-boqun.feng@gmail.com>
Date: Thu, 13 Nov 2025 22:01:56 -0800
From: Boqun Feng <boqun.feng@...il.com>
To: Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Cc: "Will Deacon" <will@...nel.org>,
	"Waiman Long" <longman@...hat.com>,
	reg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Danilo Krummrich <dakr@...nel.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <lossin@...nel.org>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>,
	Trevor Gross <tmgross@...ch.edu>,
	Mark Rutland <mark.rutland@....com>,
	linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org,
	Boqun Feng <boqun.feng@...il.com>
Subject: [GIT PULL] [PATCH 1/4] Rust atomics & locking changes for v6.19

Hi Peter & Ingo,

Please pull this Rust atomics + locking changes for v6.19, it's fairly
simple and small for this cycle ;-)

The following changes since commit b94d45b6bbb42571ec225d3be0e7457c8765a5b4:

  seqlock: Allow KASAN to fail optimizing (2025-10-28 09:58:57 +0100)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git tags/rust-locking.2025.11.13

for you to fetch changes up to 3572e2edc7b611d0b564c487bafda04b5dbb5134:

  locking/mutex: Redo __mutex_init() (2025-11-12 08:56:42 -0800)

Regards,
Boqun

----------------------------------------------------------------
Rust atomic changes for v6.19:

- Replace Rust native atomics with LKMM atomics in debugfs

Locking changes for v6.19:

- Redo __mutex_init() to allow compiler removing unused parameters
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----------------------------------------------------------------
Boqun Feng (3):
      rust: sync: atomic: Make Atomic*Ops pub(crate)
      rust: sync: atomic: Implement Debug for Atomic<Debug>
      rust: debugfs: Replace the usage of Rust native atomics

Sebastian Andrzej Siewior (1):
      locking/mutex: Redo __mutex_init()

 include/linux/mutex.h               | 45 ++++++++++++++++++++++++-------
 kernel/locking/mutex.c              | 22 ++++++++++-----
 kernel/locking/rtmutex_api.c        | 19 ++++++++++---
 rust/kernel/debugfs/traits.rs       | 53 ++++++++++++-------------------------
 rust/kernel/sync/atomic.rs          | 12 ++++++++-
 samples/rust/rust_debugfs.rs        | 12 ++++-----
 samples/rust/rust_debugfs_scoped.rs |  6 ++---
 7 files changed, 102 insertions(+), 67 deletions(-)