locking primitives

Most active threads (last 7 days)

Recent patches

Latest 30 postings or standalone patches (up to 30), newest first. Counts below cover matching patches in linux-arch touching this subsystem.

• hazptr: shared-scan kthread, drain-assist, and stall detector v1 · 1 matching patch

  Entire posting: PENDING · 9 of 28 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 20/28] locking/lockdep: Use hazptr to wait for dynamic key lookups 2026-11-04
  2026-11-04 · Kunwu Chan <hidden>
• hazptr: batch synchronize operations through a shared scan v3 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC v3 08/15] locking/lockdep: use hazptr to wait for dynamic key lookups 2026-10-05
  2026-10-05 · Kunwu Chan <hidden>
• hazptr: batch synchronize operations through a shared scan v2 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH RFC v2 08/15] locking/lockdep: use hazptr to wait for dynamic key lookups 2026-10-02
  2026-10-02 · Kunwu Chan <hidden>
• hazptr: add shared scan path and lockdep use case rfc · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC/WIP PATCH 2/4] locking/lockdep: use hazptr to wait for dynamic key lookups 2026-09-22
  2026-09-22 · Kunwu Chan <hidden>
• locking/qspinlock: Add contended_release tracepoint v1 · 2 matching patches

  Entire posting: LANDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 3/5] locking/qspinlock: Add contended_release tracepoint 2026-08-04
  • [PATCH 4/5] tracing/lock: Use TRACE_EVENT_FN() for contended_release 2026-08-04
  2026-08-04 · Dmitry Ilvokhin <hidden>
• DEPT(DEPendency Tracker) v19 · 3 matching patches

  Entire posting: PENDING · 2 of 40 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing 2026-07-06
  • [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed 2026-07-06
  • [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation 2026-07-06
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• Refcounted interrupt disable and SpinLockIrq for rust (Part 1) v3 · 1 matching patch

  Entire posting: PENDING · 1 of 13 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 05/13] irq & spin_lock: Add counted interrupt disabling/enabling 2026-06-05
  2026-06-05 · Boqun Feng <boqun@kernel.org>
• Refcounted interrupt disable and SpinLockIrq for rust (Part 1) v2 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 05/12] irq & spin_lock: Add counted interrupt disabling/enabling 2026-05-26
  2026-05-26 · Boqun Feng <boqun@kernel.org>
• [PATCH] nios2: remove the architecture 2026-05-18 · Ethan Nelson-Moore <hidden>
• [PATCH v3] locking/hqlock_core: restore missing call in contention detection logic 2026-05-12 · Fedorov Nikita <hidden>
• Refcounted interrupt disable and SpinLockIrq for rust (Part 1) v1 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 05/11] irq & spin_lock: Add counted interrupt disabling/enabling 2026-05-08
  2026-05-08 · Boqun Feng <boqun@kernel.org>
• locking: contended_release tracepoint instrumentation v6 · 4 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v6 2/7] locking/percpu-rwsem: Extract __percpu_up_read() 2026-05-05
  • [PATCH v6 3/7] locking: Add contended_release tracepoint to sleepable locks 2026-05-05
  • [PATCH v6 5/7] locking: Add contended_release tracepoint to qspinlock 2026-05-05
  • [PATCH v6 7/7] locking: Add contended_release tracepoint to qrwlock 2026-05-05
  2026-05-05 · Dmitry Ilvokhin <hidden>
• locking: contended_release tracepoint instrumentation v5 · 4 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v5 2/7] locking/percpu-rwsem: Extract __percpu_up_read() 2026-04-16
  • [PATCH v5 3/7] locking: Add contended_release tracepoint to sleepable locks 2026-04-16
  • [PATCH v5 5/7] locking: Add contended_release tracepoint to qspinlock 2026-04-16
  • [PATCH v5 7/7] locking: Add contended_release tracepoint to qrwlock 2026-04-16
  2026-04-16 · Dmitry Ilvokhin <hidden>
• [RFC PATCH v3 5/7] kernel: introduce general hq-spinlock support 2026-04-15 · Fedorov Nikita <hidden>
• [RFC PATCH v3 4/7] hq-spinlock: add hq-spinlock tunables and debug statistics 2026-04-15 · Fedorov Nikita <hidden>
• [RFC PATCH v3 3/7] hq-spinlock: add contention detection 2026-04-15 · Fedorov Nikita <hidden>
• [RFC PATCH v3 2/7] hq-spinlock: implement inner logic 2026-04-15 · Fedorov Nikita <hidden>
• [RFC PATCH v3 1/7] kernel: add hq-spinlock types 2026-04-15 · Fedorov Nikita <hidden>
• locking: contended_release tracepoint instrumentation v4 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 2/5] locking/percpu-rwsem: Extract __percpu_up_read() 2026-03-26
  • [PATCH v4 3/5] locking: Add contended_release tracepoint to sleepable locks 2026-03-26
  • [PATCH v4 5/5] locking: Add contended_release tracepoint to spinning locks 2026-03-26
  2026-03-26 · Dmitry Ilvokhin <hidden>
• locking: contended_release tracepoint instrumentation v3 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 2/4] locking/percpu-rwsem: Extract __percpu_up_read() 2026-03-18
  • [PATCH v3 3/4] locking: Add contended_release tracepoint to sleepable locks 2026-03-18
  • [RFC PATCH v3 4/4] locking: Add contended_release tracepoint to spinning locks 2026-03-18
  2026-03-18 · Dmitry Ilvokhin <hidden>
• Introduce Hierarchical Queued NUMA-aware spinlock v2 · 3 matching patches

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH v2 1/5] kernel: introduce Hierarchical Queued spinlock 2025-12-05
  • [RFC PATCH v2 2/5] hq-spinlock: proc tunables and debug stats 2025-12-05
  • [RFC PATCH v2 3/5] kernel: introduce general hq-lock support 2025-12-05
  2025-12-05 · Anatoly Stepanov <hidden>
• DEPT(DEPendency Tracker) v18 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing 2025-12-05
  • [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed 2025-12-05
  • [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation 2025-12-05
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• Introduce Hierarchical Queued NUMA-aware spinlock rfc · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [RFC PATCH 1/1] HQspinlock - (NUMA-aware) Hierarchical Queued spinlock 2025-11-27
  2025-11-27 · Anatoly Stepanov <hidden>
• DEPT(DEPendency Tracker) v17 · 3 matching patches

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing 2025-10-02
  • [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed 2025-10-02
  • [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation 2025-10-02
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• Convert atomic_*.txt and memory-barriers.txt to reST v1 · 1 matching patch

  Entire posting: Pending Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 4/4] Documentation: atomic_bitops, atomic_t, memory-barriers: Link to newly-converted docs 2025-07-17
  2025-07-17 · Bagas Sanjaya <hidden>
• Enable strict percpu address space checks v4 · 1 matching patch

  Entire posting: PENDING · 5 of 6 reviewed Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v4 3/6] percpu: Use TYPEOF_UNQUAL() in variable declarations 2025-01-27
  2025-01-27 · Uros Bizjak <hidden>
• Enable strict percpu address space checks v3 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v3 3/6] percpu: Use TYPEOF_UNQUAL() in variable declarations 2024-12-08
  2024-12-08 · Uros Bizjak <hidden>
• Enable strict percpu address space checks v2 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH v2 3/6] percpu: Use TYPEOF_UNQUAL() in variable declarations 2024-12-05
  2024-12-05 · Uros Bizjak <hidden>
• Enable strict percpu address space checks v1 · 1 matching patch

  Entire posting: SUPERSEDED Open cover letterLifecycle progress covers the full posting, including patches outside this subsystem and inbox.

  • [PATCH 3/6] percpu: Use TYPEOF_UNQUAL() in variable declarations 2024-11-26
  2024-11-26 · Uros Bizjak <hidden>
• LANDED [PATCH v3] Avoid memory barrier in read_seqcount() through load acquire 2024-09-12 · Christoph Lameter via B4 Relay <devnull+cl.gentwo.org@kernel.org>