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 rcu (capped at 30), ordered by date desc.

• COOLING14d [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING14d [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING14d [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COLD26d [PATCH v3 5/7] kernel: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• STALE96d [PATCH] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-19 · Manuel Ebner <hidden>
• STALE130d [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit()
  2026-03-10 · Christian Brauner <brauner@kernel.org>
• STALE181d Re: [PATCH v5 10/36] locking/mutex: Support Clang's context analysis
  2026-01-10 · Marco Elver <elver@google.com>
• STALE181d [PATCH v5 11/36] locking/seqlock: Support Clang's context analysis
  2025-12-19 · Marco Elver <elver@google.com>
• STALE219d Re: [PATCH v4 06/35] cleanup: Basic compatibility with context analysis
  2025-12-15 · Marco Elver <elver@google.com>
• COLD21d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD21d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD21d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE219d [PATCH v4 11/35] locking/seqlock: Support Clang's context analysis
  2025-11-20 · Marco Elver <elver@google.com>
• STALE238d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE238d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE238d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE238d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE255d [PATCH v3 11/35] locking/seqlock: Support Clang's capability analysis
  2025-09-18 · Marco Elver <elver@google.com>
• STALE373d [PATCH 4/4] Documentation: atomic_bitops, atomic_t, memory-barriers: Link to newly-converted docs
  2025-07-17 · Bagas Sanjaya <hidden>
• STALE381d [PATCH 8/8] locking/lockdep: Use shazptr to protect the key hashlist
  2025-06-25 · Boqun Feng <hidden>
• STALE381d [PATCH 5/8] shazptr: Allow skip self scan in synchronize_shaptr()
  2025-06-25 · Boqun Feng <hidden>
• STALE381d [PATCH 4/8] shazptr: Avoid synchronize_shaptr() busy waiting
  2025-06-25 · Boqun Feng <hidden>
• STALE381d [PATCH 1/8] Introduce simple hazard pointers
  2025-06-25 · Boqun Feng <hidden>
• STALE434d [PATCH 02/12] locking/rtmutex: Move max_lock_depth into rtmutex.c
  2025-05-09 · Joel Granados <joel.granados@kernel.org>
• STALE381d [RFC PATCH 8/8] locking/lockdep: Use shazptr to protect the key hashlist
  2025-04-14 · Boqun Feng <hidden>
• STALE381d [RFC PATCH 5/8] shazptr: Allow skip self scan in synchronize_shaptr()
  2025-04-14 · Boqun Feng <hidden>
• STALE381d [RFC PATCH 4/8] shazptr: Avoid synchronize_shaptr() busy waiting
  2025-04-14 · Boqun Feng <hidden>
• STALE381d [RFC PATCH 1/8] Introduce simple hazard pointers
  2025-04-14 · Boqun Feng <hidden>
• STALE493d Re: tc: network egress frozen during qdisc update with debug kernel
  2025-03-19 · Breno Leitao <leitao@debian.org>
• STALE355d [PATCH v2 11/34] locking/seqlock: Support Clang's capability analysis
  2025-03-04 · Marco Elver <elver@google.com>