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Message-ID: <20260111115808.5702-1-boqun.feng@gmail.com>
Date: Sun, 11 Jan 2026 19:57:32 +0800
From: Boqun Feng <boqun.feng@...il.com>
To: "Peter Zijlstra" <peterz@...radead.org>,
"Ingo Molnar" <mingo@...nel.org>
Cc: rust-for-linux@...r.kernel.org,
linux-kernel@...r.kernel.org,
"Will Deacon" <will@...nel.org>,
"Mark Rutland" <mark.rutland@....com>,
"Thomas Gleixner" <tglx@...utronix.de>,
"Miguel Ojeda" <ojeda@...nel.org>,
"Gary Guo" <gary@...yguo.net>,
"Alice Ryhl" <aliceryhl@...gle.com>,
"Andreas Hindborg" <a.hindborg@...nel.org>,
"Benno Lossin" <lossin@...nel.org>,
"Danilo Krummrich" <dakr@...nel.org>,
Boqun Feng <boqun.feng@...il.com>
Subject: [GIT PULL][PATCH 00/36] Rust synchronization changes for v7.0
Peter,
Please pull the following changes of Rust synchronization for 7.0 into
tip/locking/core, you can find the details of the changes in the git tag
message below.
Thanks!
Regards,
Boqun
----------------------------------------------------------------
The following changes since commit a45026cef17d1080c985adf28234d6c8475ad66f:
locking/local_lock: Include more missing headers (2026-01-08 11:21:57 +0100)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git/ tags/rust-sync-7.0
for you to fetch changes up to ccf9e070116a81d29aae30db501d562c8efd1ed8:
rust: sync: Inline various lock related methods (2026-01-10 10:53:46 +0800)
----------------------------------------------------------------
Rust synchronization changes for v7.0:
- Add support for Atomic<i8/i16/bool> and replace most Rust native AtomicBool
usages with Atomic<bool>, and further switching will require Atomic<Flag>
- Clean up LockClassKey and improve its docs
- Add missing Send and Sync trait impl for SetOnce
- Make ARef Unpin as it is supposed to be
- Add __rust_helper to a few Rust helpers as a preparation for helper LTO
- Inline various lock related functions to avoid additional function calls.
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----------------------------------------------------------------
Alice Ryhl (16):
rust: sync: Refactor static_lock_class!() macro
rust: sync: Clean up LockClassKey and its docs
rust: sync: Implement Unpin for ARef
rust: barrier: Add __rust_helper to helpers
rust: blk: Add __rust_helper to helpers
rust: completion: Add __rust_helper to helpers
rust: cpu: Add __rust_helper to helpers
rust: processor: Add __rust_helper to helpers
rust: rcu: Add __rust_helper to helpers
rust: refcount: Add __rust_helper to helpers
rust: sync: Add __rust_helper to helpers
rust: task: Add __rust_helper to helpers
rust: time: Add __rust_helper to helpers
rust: wait: Add __rust_helper to helpers
rust: helpers: Move #define __rust_helper out of atomic.c
rust: sync: Inline various lock related methods
Boqun Feng (1):
arch: um/x86: Select ARCH_SUPPORTS_ATOMIC_RMW for UML_X86
FUJITA Tomonori (19):
rust: sync: set_once: Implement Send and Sync
rust: helpers: Add i8/i16 atomic_read_acquire/atomic_set_release helpers
rust: helpers: Add i8/i16 relaxed atomic helpers
rust: helpers: Add i8/i16 atomic xchg helpers
rust: helpers: Add i8/i16 atomic xchg_acquire helpers
rust: helpers: Add i8/i16 atomic xchg_release helpers
rust: helpers: Add i8/i16 atomic xchg_relaxed helpers
rust: helpers: Add i8/i16 atomic try_cmpxchg helpers
rust: helpers: Add i8/i16 atomic try_cmpxchg_acquire helpers
rust: helpers: Add i8/i16 atomic try_cmpxchg_release helpers
rust: helpers: Add i8/i16 atomic try_cmpxchg_relaxed helpers
rust: sync: atomic: Prepare AtomicOps macros for i8/i16 support
rust: sync: atomic: Add i8/i16 load and store support
rust: sync: atomic: Add store_release/load_acquire tests
rust: sync: atomic: Add i8/i16 xchg and cmpxchg support
rust: sync: atomic: Add atomic bool support via i8 representation
rust: sync: atomic: Add atomic bool tests
rust: list: Switch to kernel::sync atomic primitives
rust_binder: Switch to kernel::sync atomic primitives
arch/x86/um/Kconfig | 1 +
drivers/android/binder/rust_binder_main.rs | 20 ++---
drivers/android/binder/stats.rs | 8 +-
drivers/android/binder/thread.rs | 24 +++--
drivers/android/binder/transaction.rs | 16 ++--
rust/helpers/atomic.c | 7 +-
rust/helpers/atomic_ext.c | 139 +++++++++++++++++++++++++++++
rust/helpers/barrier.c | 6 +-
rust/helpers/blk.c | 4 +-
rust/helpers/completion.c | 2 +-
rust/helpers/cpu.c | 2 +-
rust/helpers/helpers.c | 3 +
rust/helpers/mutex.c | 13 +--
rust/helpers/processor.c | 2 +-
rust/helpers/rcu.c | 4 +-
rust/helpers/refcount.c | 10 +--
rust/helpers/signal.c | 2 +-
rust/helpers/spinlock.c | 13 +--
rust/helpers/sync.c | 4 +-
rust/helpers/task.c | 24 ++---
rust/helpers/time.c | 14 +--
rust/helpers/wait.c | 2 +-
rust/kernel/list/arc.rs | 14 ++-
rust/kernel/sync.rs | 74 +++++++++++----
rust/kernel/sync/aref.rs | 3 +
rust/kernel/sync/atomic/internal.rs | 114 ++++++++++++++++++-----
rust/kernel/sync/atomic/predefine.rs | 55 +++++++++++-
rust/kernel/sync/lock.rs | 7 ++
rust/kernel/sync/lock/global.rs | 2 +
rust/kernel/sync/lock/mutex.rs | 5 ++
rust/kernel/sync/lock/spinlock.rs | 5 ++
rust/kernel/sync/set_once.rs | 8 ++
scripts/atomic/gen-rust-atomic-helpers.sh | 5 --
33 files changed, 462 insertions(+), 150 deletions(-)
create mode 100644 rust/helpers/atomic_ext.c
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