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)

• WARM1d [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 27 patches in this subsystem on linux-nfs, ordered by date desc.

• WARM1d [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• STALE116d [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit()
  2026-03-10 · Christian Brauner <brauner@kernel.org>
• COOLING6d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COOLING6d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COOLING6d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE223d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE223d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE223d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE223d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE529d REVIEWED: 5 (3M) [PATCH v2] treewide: const qualify ctl_tables where applicable
  2025-01-10 · Joel Granados <joel.granados@kernel.org>
• STALE548d [PATCH] treewide: const qualify ctl_tables where applicable
  2025-01-09 · Joel Granados <joel.granados@kernel.org>
• STALE1115d [PATCH 09/11] sysctl: Remove the end element in sysctl table arrays
  2023-06-21 · Joel Granados <hidden>
• STALE2944d [PATCH] locking/rwsem: Fix up_read_non_owner() warning with DEBUG_RWSEMS
  2018-05-24 · Waiman Long <longman@redhat.com>
• STALE3412d REVIEWED: 1 (0M) [PATCH 4/7] mm: introduce memalloc_nofs_{save,restore} API
  2017-03-06 · Michal Hocko <mhocko@kernel.org>
• STALE3412d REVIEWED: 18 (17M) [PATCH 2/7] lockdep: allow to disable reclaim lockup detection
  2017-03-06 · Michal Hocko <mhocko@kernel.org>
• STALE3412d REVIEWED: 18 (17M) [PATCH 1/7] lockdep: teach lockdep about memalloc_noio_save
  2017-03-06 · Michal Hocko <mhocko@kernel.org>
• STALE3442d REVIEWED: 1 (0M) [PATCH 3/6] mm: introduce memalloc_nofs_{save,restore} API
  2017-02-06 · Michal Hocko <mhocko@kernel.org>
• STALE3442d REVIEWED: 18 (17M) [PATCH 1/6] lockdep: allow to disable reclaim lockup detection
  2017-02-06 · Michal Hocko <mhocko@kernel.org>
• STALE3415d [PATCH 3/8] mm: introduce memalloc_nofs_{save,restore} API
  2017-01-06 · Michal Hocko <mhocko@kernel.org>
• STALE3415d REVIEWED: 17 (17M) [PATCH 1/8] lockdep: allow to disable reclaim lockup detection
  2017-01-06 · Michal Hocko <mhocko@kernel.org>
• STALE3489d [PATCH 4/9] mm: introduce memalloc_nofs_{save,restore} API
  2016-12-15 · Michal Hocko <mhocko@kernel.org>
• STALE3489d REVIEWED: 17 (17M) [PATCH 1/9] lockdep: allow to disable reclaim lockup detection
  2016-12-15 · Michal Hocko <mhocko@kernel.org>
• STALE3719d Re: [PATCH 1.2/2] mm: introduce memalloc_nofs_{save,restore} API
  2016-04-27 · Michal Hocko <mhocko@kernel.org>
• STALE4469d [PATCH 03/19] lockdep: improve scenario messages for RECLAIM_FS errors.
  2014-04-16 · NeilBrown <hidden>
• STALE4469d [PATCH 02/19] lockdep: lockdep_set_current_reclaim_state should save old value
  2014-04-16 · NeilBrown <hidden>