locking primitives · Maintained

Maintainers

• M Peter Zijlstra <peterz@infradead.org>
• M Ingo Molnar <mingo@redhat.com>
• M Will Deacon <will@kernel.org>
• M Boqun Feng <boqun@kernel.org>
• R Waiman Long <longman@redhat.com>

Paths

• F Documentation/locking/
• F arch/*/include/asm/spinlock*.h
• F include/linux/local_lock*.h
• F include/linux/lockdep*.h
• F include/linux/mutex*.h
• F include/linux/rwlock*.h
• F include/linux/rwsem*.h
• F include/linux/seqlock.h
• F include/linux/spinlock*.h
• F kernel/locking/
• F lib/locking*.[ch]
• F rust/helpers/mutex.c
• F rust/helpers/spinlock.c
• F rust/kernel/sync/lock.rs
• F rust/kernel/sync/lock/
• F rust/kernel/sync/locked_by.rs
• X kernel/locking/locktorture.c

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on linux-kbuild (capped at 30), ordered by date desc.

• COOLING12d [PATCH] nios2: remove the architecture
  2026-05-18 · Ethan Nelson-Moore <hidden>
• STALE138d Re: [PATCH v5 10/36] locking/mutex: Support Clang's context analysis
  2026-01-10 · Marco Elver <elver@google.com>
• STALE138d [PATCH v5 11/36] locking/seqlock: Support Clang's context analysis
  2025-12-19 · Marco Elver <elver@google.com>
• STALE177d Re: [PATCH v4 06/35] cleanup: Basic compatibility with context analysis
  2025-12-15 · Marco Elver <elver@google.com>
• STALE177d [PATCH v4 11/35] locking/seqlock: Support Clang's context analysis
  2025-11-20 · Marco Elver <elver@google.com>
• STALE212d [PATCH v3 11/35] locking/seqlock: Support Clang's capability analysis
  2025-09-18 · Marco Elver <elver@google.com>
• STALE276d [PATCH v2 13/13] Documentation: checkpatch: Convert kernel docs references
  2025-09-10 · Bagas Sanjaya <hidden>
• STALE430d REVIEWED: 12 (12M) [PATCH v3 2/2] kbuild: rust: provide an option to inline C helpers into Rust
  2025-03-19 · Gary Guo <gary@garyguo.net>
• STALE451d [PATCH v2 2/3] kbuild: rust: provide an option to inline C helpers into Rust
  2025-01-05 · Gary Guo <gary@garyguo.net>
• STALE664d LANDED [PATCH v3] kbuild: rust: split up helpers.c
  2024-08-15 · Andreas Hindborg <hidden>
• STALE669d REVIEWED: 2 (0M) [PATCH v2] kbuild: rust: split up helpers.c
  2024-05-07 · Miguel Ojeda <ojeda@kernel.org>
• STALE863d [PATCH v2 6/6] ubsan: Get x86_64 booting with unsigned wrap-around sanitizer
  2024-02-02 · Kees Cook <hidden>
• STALE867d [PATCH 6/6] ubsan: Get x86_64 booting with unsigned wrap-around sanitizer
  2024-01-29 · Kees Cook <hidden>
• STALE1062d [PATCH RFC 06/11] rust: sync: Replace static LockClassKey refs with a pointer wrapper
  2023-07-14 · Asahi Lina <hidden>
• STALE1062d [PATCH RFC 08/11] rust: sync: Classless Lock::new() and pin_init()
  2023-07-14 · Asahi Lina <hidden>
• STALE1062d [PATCH RFC 02/11] rust: lock: Add Lock::pin_init()
  2023-07-14 · Asahi Lina <hidden>
• STALE1649d [RFC 2/3] headers: introduce linux/struct_types.h
  2021-12-07 · Arnd Bergmann <arnd@kernel.org>
• STALE2342d REVIEWED: 8 (8M) [PATCH v4 07/10] seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier
  2019-11-14 · Marco Elver <elver@google.com>
• STALE2342d REVIEWED: 8 (8M) [PATCH v4 06/10] seqlock, kcsan: Add annotations for KCSAN
  2019-11-14 · Marco Elver <elver@google.com>
• STALE2404d [PATCH v3 6/9] seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier
  2019-11-04 · Marco Elver <elver@google.com>
• STALE2404d [PATCH v3 5/9] seqlock, kcsan: Add annotations for KCSAN
  2019-11-04 · Marco Elver <elver@google.com>
• STALE2425d [PATCH v2 5/8] seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier
  2019-10-17 · Marco Elver <elver@google.com>
• STALE2425d [PATCH v2 4/8] seqlock, kcsan: Add annotations for KCSAN
  2019-10-17 · Marco Elver <elver@google.com>
• STALE2432d [PATCH 5/8] seqlock: Require WRITE_ONCE surrounding raw_seqcount_barrier
  2019-10-16 · Marco Elver <elver@google.com>
• STALE2432d [PATCH 4/8] seqlock, kcsan: Add annotations for KCSAN
  2019-10-16 · Marco Elver <elver@google.com>
• STALE2966d [PATCH 04/21] locking/spinlocks: Mark spinlocks noinline when inline spinlocks are disabled
  2017-11-27 · Andi Kleen <hidden>
• DORMANTno replies [PATCH v3] treewide: Remove newlines inside DEFINE_PER_CPU() macros
  2016-03-01 · Michal Marek <hidden>
• STALE3812d [PATCH v2 8/8] treewide: Remove newlines inside DEFINE_PER_CPU() macros
  2015-12-04 · Michal Marek <hidden>
• STALE3888d [PATCH 9/9] treewide: Remove newlines inside DEFINE_PER_CPU() macros
  2015-10-15 · Michal Marek <hidden>
• STALE4499d [PATCH 18/20] lto: Mark spinlocks noinline when inline spinlocks are disabled
  2014-02-18 · Andi Kleen <hidden>

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE177d [PATCH v4 11/35] locking/seqlock: Support Clang's context analysis
  2025-11-20 · Marco Elver <elver@google.com>