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

• HOTtoday [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• HOTtoday [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• HOTtoday [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COLD30d [PATCH v2 12/14] locking/ww_mutex: Open-code stress reorder list walk
  2026-06-09 · Kaitao Cheng <hidden>
• COOLING7d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COOLING7d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COOLING7d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE264d REVIEWED: 47 (47M) [RESEND PATCH v18 16/16] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-18 · Tamir Duberstein <tamird@kernel.org>
• STALE264d REVIEWED: 47 (47M) [PATCH v18 16/16] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-18 · Alice Ryhl <aliceryhl@google.com>
• STALE266d REVIEWED: 47 (47M) [PATCH v17 11/11] rust: replace `CStr` with `core::ffi::CStr`
  2025-10-15 · Tamir Duberstein <hidden>
• STALE224d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE224d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE224d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE224d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE305d [PATCH v2 13/13] Documentation: checkpatch: Convert kernel docs references
  2025-09-10 · Bagas Sanjaya <hidden>
• STALE313d [PATCH 14/14] Documentation: checkpatch: Convert kernel docs references
  2025-08-29 · Bagas Sanjaya <hidden>
• STALE373d REVIEWED: 35 (35M) [PATCH v13 5/5] rust: remove core::ffi::CStr reexport
  2025-07-01 · Tamir Duberstein <hidden>
• STALE373d REVIEWED: 30 (30M) [PATCH v13 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-07-01 · Tamir Duberstein <hidden>
• STALE373d REVIEWED: 30 (30M) [PATCH v13 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-07-01 · Tamir Duberstein <hidden>
• STALE376d [PATCH v12 5/5] rust: remove core::ffi::CStr reexport
  2025-06-19 · Tamir Duberstein <hidden>
• STALE376d [PATCH v12 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-06-19 · Tamir Duberstein <hidden>
• STALE376d [PATCH v12 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-06-19 · Tamir Duberstein <hidden>
• STALE406d [PATCH v11 5/5] rust: remove core::ffi::CStr reexport
  2025-05-30 · Tamir Duberstein <hidden>
• STALE406d [PATCH v11 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-05-30 · Tamir Duberstein <hidden>
• STALE406d [PATCH v11 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-05-30 · Tamir Duberstein <hidden>
• STALE409d [PATCH v10 5/5] rust: remove core::ffi::CStr reexport
  2025-05-24 · Tamir Duberstein <hidden>
• STALE409d [PATCH v10 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-05-24 · Tamir Duberstein <hidden>
• STALE409d [PATCH v10 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-05-24 · Tamir Duberstein <hidden>
• STALE353d [PATCH v16 33/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-05-19 · Byungchul Park <byungchul@sk.com>
• STALE353d [PATCH v16 27/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-05-19 · Byungchul Park <byungchul@sk.com>

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.

• COLD30d [PATCH v2 12/14] locking/ww_mutex: Open-code stress reorder list walk
  2026-06-09 · Kaitao Cheng <hidden>