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-media (capped at 30), ordered by date desc.

• COOLING10d [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING10d [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING10d [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• STALE80d [PATCH v4 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-29 · Manuel Ebner <hidden>
• WARM2d [PATCH v3 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-24 · Manuel Ebner <hidden>
• STALE88d [PATCH v2 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-21 · Manuel Ebner <hidden>
• STALE92d [PATCH] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-19 · Manuel Ebner <hidden>
• COLD16d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD16d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COLD16d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE233d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE233d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE233d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE233d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE1343d REVIEWED: 18 (18M) [PATCH v3 1/3] treewide: use get_random_u32_below() instead of deprecated function
  2022-11-17 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1343d REVIEWED: 18 (18M) [PATCH v2 1/3] treewide: use get_random_u32_below() instead of deprecated function
  2022-11-14 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1345d [PATCH v1 1/5] treewide: use get_random_u32_below() instead of deprecated function
  2022-10-22 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1374d REVIEWED: 28 (27M) [PATCH v6 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-10 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1382d REVIEWED: 2 (1M) [PATCH v5 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-08 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1383d REVIEWED: 2 (1M) [PATCH v4 1/6] treewide: use prandom_u32_max() when possible, mechanically
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1383d REVIEWED: 2 (1M) [PATCH v3 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1549d [PATCH 15/15] seqlock: drop seqcount_ww_mutex_t
  2022-04-07 · "Christian König" <ckoenig.leichtzumerken@gmail.com>
• STALE2743d [PATCH v4 2/3] locking: Implement an algorithm choice for Wound-Wait mutexes
  2018-06-19 · Thomas Hellstrom <hidden>
• STALE2743d [PATCH 1/3] locking: WW mutex cleanup
  2018-06-19 · Thomas Hellstrom <hidden>
• STALE2956d [PATCH v3 2/2] locking: Implement an algorithm choice for Wound-Wait mutexes
  2018-06-15 · Thomas Hellstrom <hidden>
• STALE2956d [PATCH 1/2] locking: WW mutex cleanup
  2018-06-15 · Thomas Hellstrom <hidden>
• STALE2959d Re: [PATCH 1/2] locking: Implement an algorithm choice for Wound-Wait mutexes
  2018-06-14 · Peter Zijlstra <peterz@infradead.org>
• STALE2959d Re: [PATCH 1/2] locking: Implement an algorithm choice for Wound-Wait mutexes
  2018-06-14 · Peter Zijlstra <peterz@infradead.org>
• STALE2960d [PATCH v2 1/2] locking: Implement an algorithm choice for Wound-Wait mutexes
  2018-06-14 · Thomas Hellstrom <hidden>
• STALE2959d [PATCH 1/2] locking: Implement an algorithm choice for Wound-Wait mutexes
  2018-06-13 · Thomas Hellstrom <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.

• WARM2d [PATCH v3 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-24 · Manuel Ebner <hidden>