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

• COLD53d [PATCH 4/5] tracing/lock: Use TRACE_EVENT_FN() for contended_release
  2026-08-04 · Dmitry Ilvokhin <hidden>
• COLD53d [PATCH 3/5] locking/qspinlock: Add contended_release tracepoint
  2026-08-04 · Dmitry Ilvokhin <hidden>
• STALE63d [PATCH v6 7/7] locking: Add contended_release tracepoint to qrwlock
  2026-05-05 · Dmitry Ilvokhin <hidden>
• STALE63d REVIEWED: 8 (8M) [PATCH v6 5/7] locking: Add contended_release tracepoint to qspinlock
  2026-05-05 · Dmitry Ilvokhin <hidden>
• STALE63d REVIEWED: 1 (1M) [PATCH v6 2/7] locking/percpu-rwsem: Extract __percpu_up_read()
  2026-05-05 · Dmitry Ilvokhin <hidden>
• STALE63d REVIEWED: 8 (8M) [PATCH v6 3/7] locking: Add contended_release tracepoint to sleepable locks
  2026-05-05 · Dmitry Ilvokhin <hidden>
• STALE151d [PATCH v5 7/7] locking: Add contended_release tracepoint to qrwlock
  2026-04-16 · Dmitry Ilvokhin <hidden>
• STALE151d [PATCH v5 5/7] locking: Add contended_release tracepoint to qspinlock
  2026-04-16 · Dmitry Ilvokhin <hidden>
• STALE151d REVIEWED: 1 (1M) [PATCH v5 2/7] locking/percpu-rwsem: Extract __percpu_up_read()
  2026-04-16 · Dmitry Ilvokhin <hidden>
• STALE151d REVIEWED: 8 (8M) [PATCH v5 3/7] locking: Add contended_release tracepoint to sleepable locks
  2026-04-16 · Dmitry Ilvokhin <hidden>
• STALE167d REVIEWED: 1 (1M) [PATCH v4 2/5] locking/percpu-rwsem: Extract __percpu_up_read()
  2026-03-26 · Dmitry Ilvokhin <hidden>
• STALE167d [PATCH v4 3/5] locking: Add contended_release tracepoint to sleepable locks
  2026-03-26 · Dmitry Ilvokhin <hidden>
• STALE167d [PATCH v4 5/5] locking: Add contended_release tracepoint to spinning locks
  2026-03-26 · Dmitry Ilvokhin <hidden>
• STALE1195d [PATCH 06/14] locking: add lockevent_read() prototype
  2023-05-17 · Arnd Bergmann <arnd@kernel.org>
• STALE1443d REVIEWED: 29 (28M) [PATCH v6 1/7] treewide: use prandom_u32_max() when possible, part 1
  2022-10-10 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1451d 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>
• STALE1452d REVIEWED: 2 (1M) [PATCH v4 1/6] treewide: use prandom_u32_max() when possible, mechanically
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1452d REVIEWED: 2 (1M) [PATCH v3 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• DORMANTno replies REVIEWED: 5 (4M) [PATCH] locking/arch: Move qrwlock.h include after qspinlock.h
  2021-02-10 · Paolo Bonzini <pbonzini@redhat.com>
• STALE2325d REVIEWED: 17 (17M) [PATCHv3 01/50] kallsyms/printk: Add loglvl to print_ip_sym()
  2020-04-18 · Dmitry Safonov <hidden>
• STALE2356d REVIEWED: 17 (17M) [PATCHv2 01/50] kallsyms/printk: Add loglvl to print_ip_sym()
  2020-03-16 · Dmitry Safonov <hidden>
• STALE2511d [PATCH 01/50] kallsyms/printk: Add loglvl to print_ip_sym()
  2019-11-06 · Dmitry Safonov <hidden>
• STALE2736d [PATCH v5 3/3] locking/rwsem: Optimize down_read_trylock()
  2019-03-22 · Waiman Long <longman@redhat.com>
• STALE2736d [PATCH v5 2/3] locking/rwsem: Remove rwsem-spinlock.c & use rwsem-xadd.c for all archs
  2019-03-22 · Waiman Long <longman@redhat.com>
• STALE2736d [PATCH v5 1/3] locking/rwsem: Remove arch specific rwsem files
  2019-03-22 · Waiman Long <longman@redhat.com>
• STALE2777d [PATCH v4 3/3] locking/rwsem: Optimize down_read_trylock()
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2777d [PATCH v4 2/3] locking/rwsem: Remove rwsem-spinlock.c & use rwsem-xadd.c for all archs
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2777d [PATCH v4 1/3] locking/rwsem: Remove arch specific rwsem files
  2019-02-13 · Waiman Long <longman@redhat.com>
• STALE2925d [PATCH 29/30] mm: remove include/linux/bootmem.h
  2018-09-14 · Mike Rapoport <hidden>
• STALE2932d [RFC PATCH 29/29] mm: remove include/linux/bootmem.h
  2018-09-05 · Mike Rapoport <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.

• STALE151d [PATCH v5 7/7] locking: Add contended_release tracepoint to qrwlock
  2026-04-16 · Dmitry Ilvokhin <hidden>