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

Active reviewers (last 30 days)

• Gary Guo <gary@garyguo.net>
  4 attestations (4 Suggested-by) · last on 2026-09-16

Recent patches

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

• COOLING7d [PATCH 4/4] rust: sync: lock: use DropGuard
  2026-09-27 · Mohamed Osama <hidden>
• COOLING8d [PATCH v3 5/5] rust: sync: lock: use DropGuard
  2026-09-26 · Mohamed Osama <hidden>
• COOLING8d [PATCH v2 5/5] rust: sync: lock: use DropGuard
  2026-09-26 · Mohamed Osama <hidden>
• COLD19d [PATCH v3] rust: mem: add DropGuard
  2026-09-16 · Mohamed Osama <hidden>
• COLD19d [PATCH v2] rust: mem: add DropGuard
  2026-09-16 · Mohamed Osama <hidden>
• COLD19d [PATCH v1] rust: mem: add DropGuard
  2026-09-16 · Mohamed Osama <hidden>
• COLD19d [PATCH] rust: mem: add DropGuard
  2026-09-16 · Mohamed Osama <hidden>
• COLD35d [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COLD35d [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COLD35d [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• STALE114d [PATCH v2 12/14] locking/ww_mutex: Open-code stress reorder list walk
  2026-06-09 · Kaitao Cheng <hidden>
• STALE91d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE91d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE91d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE348d REVIEWED: 48 (48M) [RESEND PATCH v18 16/16] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-18 · Tamir Duberstein <tamird@kernel.org>
• STALE348d REVIEWED: 48 (48M) [PATCH v18 16/16] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-18 · Alice Ryhl <aliceryhl@google.com>
• STALE350d REVIEWED: 48 (48M) [PATCH v17 11/11] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-15 · Tamir Duberstein <hidden>
• STALE308d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE308d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE308d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE308d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE389d [PATCH v2 13/13] Documentation: checkpatch: Convert kernel docs references
  2025-09-10 · Bagas Sanjaya <hidden>
• STALE397d [PATCH 14/14] Documentation: checkpatch: Convert kernel docs references
  2025-08-29 · Bagas Sanjaya <hidden>
• STALE457d REVIEWED: 36 (36M) [PATCH v13 5/5] rust: remove core::ffi::CStr reexport
  2025-07-01 · Tamir Duberstein <hidden>
• STALE457d REVIEWED: 31 (31M) [PATCH v13 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-07-01 · Tamir Duberstein <hidden>
• STALE457d REVIEWED: 31 (31M) [PATCH v13 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-07-01 · Tamir Duberstein <hidden>
• STALE460d [PATCH v12 5/5] rust: remove core::ffi::CStr reexport
  2025-06-19 · Tamir Duberstein <hidden>
• STALE460d [PATCH v12 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-06-19 · Tamir Duberstein <hidden>
• STALE460d [PATCH v12 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-06-19 · Tamir Duberstein <hidden>
• STALE490d [PATCH v11 5/5] rust: remove core::ffi::CStr reexport
  2025-05-30 · Tamir Duberstein <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.

• STALE114d [PATCH v2 12/14] locking/ww_mutex: Open-code stress reorder list walk
  2026-06-09 · Kaitao Cheng <hidden>