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

Most active threads (last 7 days)

• HOTtoday [PATCH v19 00/40] DEPT(DEPendency Tracker)
  2026-07-06 06:21 · 3 replies in 7d · Byungchul Park <byungchul@sk.com>

Recent patches

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

• HOTtoday [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• HOTtoday [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• HOTtoday [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COLD41d [PATCH v4 1/4] Introducing pw_lock() and per-cpu queue & flush work
  2026-05-19 · Leonardo Bras <hidden>
• COLD35d [PATCH] nios2: remove the architecture
  2026-05-18 · Ethan Nelson-Moore <hidden>
• STALE64d [PATCH v4 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-29 · Manuel Ebner <hidden>
• STALE71d [PATCH v3 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-24 · Manuel Ebner <hidden>
• STALE73d [PATCH v2 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-21 · Manuel Ebner <hidden>
• STALE76d [PATCH] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-19 · Manuel Ebner <hidden>
• DORMANTno replies [PATCH v2] Documentation: locking: Document hwspinlock bust() callback
  2026-03-23 · Antonio Borneo <antonio.borneo@foss.st.com>
• STALE101d REVIEWED: 57 (57M) [PATCH v5 15/15] hwspinlock/treewide: refactor consumer.h from public header
  2026-03-19 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• STALE101d [PATCH v5 10/15] hwspinlock: handle hwspinlock device allocation in the core
  2026-03-19 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• STALE101d [PATCH v5 04/15] hwspinlock: add callback to fill private data of a hwspinlock
  2026-03-19 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• DORMANTno replies [PATCH] Documentation: locking: Document hwspinlock bust() callback
  2026-03-14 · Antonio Borneo <antonio.borneo@foss.st.com>
• STALE110d [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit()
  2026-03-10 · Christian Brauner <brauner@kernel.org>
• STALE111d REVIEWED: 8 (8M) [PATCH v4 15/15] hwspinlock/treewide: refactor consumer.h from public header
  2026-03-10 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• STALE116d REVIEWED: 8 (8M) [PATCH v3 15/15] hwspinlock/treewide: refactor consumer.h from public header
  2026-03-03 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• STALE138d [RFC PATCH v2 13/13] hwspinlock: refactor consumer.h from public header
  2026-02-15 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• STALE146d [RFC PATCH 2/4] hwspinlock: refactor existing headers into consumer.h
  2026-01-25 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• STALE164d [PATCH] Documentation: use a source-read extension for the index link boilerplate
  2026-01-23 · Jani Nikula <hidden>
• STALE159d [PATCH tip/locking/core 6/6] compiler-context-analysis: Remove __assume_ctx_lock from initializers
  2026-01-19 · Marco Elver <elver@google.com>
• STALE159d [PATCH tip/locking/core 2/6] compiler-context-analysis: Introduce scoped init guards
  2026-01-19 · Marco Elver <elver@google.com>
• STALE161d Re: [PATCH v5 10/36] locking/mutex: Support Clang's context analysis
  2026-01-10 · Marco Elver <elver@google.com>
• STALE161d [PATCH v5 11/36] locking/seqlock: Support Clang's context analysis
  2025-12-19 · Marco Elver <elver@google.com>
• STALE199d Re: [PATCH v4 06/35] cleanup: Basic compatibility with context analysis
  2025-12-15 · Marco Elver <elver@google.com>
• WARM1d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE199d [PATCH v4 11/35] locking/seqlock: Support Clang's context analysis
  2025-11-20 · Marco Elver <elver@google.com>
• STALE214d [PATCH 4/4] Documentation: use a source-read extension to include the index boilerplate
  2025-11-12 · Jani Nikula <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.

• STALE146d [RFC PATCH 2/4] hwspinlock: refactor existing headers into consumer.h
  2026-01-25 · Wolfram Sang <wsa+renesas@sang-engineering.com>
• DORMANTno replies [PATCH] Documentation: locking: Document hwspinlock bust() callback
  2026-03-14 · Antonio Borneo <antonio.borneo@foss.st.com>
• DORMANTno replies [PATCH v2] Documentation: locking: Document hwspinlock bust() callback
  2026-03-23 · Antonio Borneo <antonio.borneo@foss.st.com>
• STALE71d [PATCH v3 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-24 · Manuel Ebner <hidden>