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 14 patches in this subsystem on linux-i2c, ordered by date desc.

• COLD18d [PATCH] nios2: remove the architecture
  2026-05-18 · Ethan Nelson-Moore <hidden>
• COLD27d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD27d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD27d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE201d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE201d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE201d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE201d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE2515d [PATCH 1/7] docs: fix broken doc references due to renames
  2019-07-26 · Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
• STALE2525d [PATCH 03/14] docs: fix broken doc references due to renames
  2019-07-16 · Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
• STALE2839d REVIEWED: 1 (0M) [PATCH v4 1/2] rtmutex: allow specifying a subclass for nested locking
  2018-07-20 · Peter Rosin <hidden>
• STALE2944d [PATCH v3 1/2] rtmutex: allow specifying a subclass for nested locking
  2018-05-24 · Peter Rosin <hidden>
• STALE2949d [PATCH v2 1/2] rtmutex: allow specifying a subclass for nested locking
  2018-05-24 · Peter Rosin <hidden>
• STALE2947d [PATCH 1/2] rtmutex: allow specifying a subclass for nested locking
  2018-05-24 · Peter Rosin <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.

• COLD27d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD27d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD27d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>