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 bpf (capped at 30), ordered by date desc.

• COOLING14d [PATCH v3 05/13] irq & spin_lock: Add counted interrupt disabling/enabling
  2026-06-05 · Boqun Feng <boqun@kernel.org>
• COOLING14d [PATCH v2 05/12] irq & spin_lock: Add counted interrupt disabling/enabling
  2026-05-26 · Boqun Feng <boqun@kernel.org>
• STALE92d [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit()
  2026-03-10 · Christian Brauner <brauner@kernel.org>
• STALE102d Re: [RFC PATCH 1/2] locking: add mutex_lock_nospin()
  2026-03-04 · Peter Zijlstra <peterz@infradead.org>
• STALE102d [RFC PATCH 1/2] locking: add mutex_lock_nospin()
  2026-03-04 · Yafang Shao <hidden>
• STALE281d [PATCH v2 13/13] Documentation: checkpatch: Convert kernel docs references
  2025-09-10 · Bagas Sanjaya <hidden>
• STALE267d REVIEWED: 1 (1M) [PATCH slab v5 1/6] locking/local_lock: Introduce local_lock_is_locked().
  2025-09-09 · Alexei Starovoitov <hidden>
• STALE289d [PATCH 14/14] Documentation: checkpatch: Convert kernel docs references
  2025-08-29 · Bagas Sanjaya <hidden>
• STALE283d REVIEWED: 1 (1M) [PATCH v4 2/6] locking/local_lock: Introduce local_lock_is_locked().
  2025-07-18 · Alexei Starovoitov <hidden>
• STALE329d [PATCH v5 3/3] treewide: Switch from tsk->comm to tsk->comm_str which is 64 bytes long
  2025-07-16 · Bhupesh <hidden>
• STALE296d REVIEWED: 1 (1M) [PATCH v3 2/6] locking/local_lock: Introduce local_lock_is_locked().
  2025-07-16 · Alexei Starovoitov <hidden>
• STALE338d [PATCH v2 3/6] locking/local_lock: Introduce local_lock_lockdep_start/end()
  2025-07-09 · Alexei Starovoitov <hidden>
• STALE338d [PATCH v2 2/6] locking/local_lock: Introduce local_lock_is_locked().
  2025-07-09 · Alexei Starovoitov <hidden>
• STALE368d Re: BUG: scheduling while atomic with PREEMPT_RT=y and bpf selftests
  2025-06-15 · Bert Karwatzki <hidden>
• STALE357d Re: [PATCH 4/6] locking/local_lock: Introduce local_lock_irqsave_check()
  2025-05-13 · Alexei Starovoitov <hidden>
• STALE456d [PATCH for-next v1] locking: Add __percpu tag to decode_tail qnode argument
  2025-03-19 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE457d LANDED: 1 (0M) [PATCH bpf-next v4 09/25] rqspinlock: Protect pending bit owners from stalls
  2025-03-16 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE457d LANDED: 1 (0M) [PATCH bpf-next v4 03/25] locking: Allow obtaining result of arch_mcs_spin_lock_contended
  2025-03-16 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE457d LANDED: 1 (0M) [PATCH bpf-next v4 02/25] locking: Move common qspinlock helpers to a private header
  2025-03-16 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE457d LANDED: 1 (0M) [PATCH bpf-next v4 01/25] locking: Move MCS struct definition to public header
  2025-03-16 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d [PATCH bpf-next v3 22/25] bpf: Introduce rqspinlock kfuncs
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d [PATCH bpf-next v3 18/25] rqspinlock: Add entry to Makefile, MAINTAINERS
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d [PATCH bpf-next v3 17/25] rqspinlock: Add locktorture support
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d [PATCH bpf-next v3 15/25] rqspinlock: Add helper to print a splat on timeout or deadlock
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d [PATCH bpf-next v3 14/25] rqspinlock: Add basic support for CONFIG_PARAVIRT
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d [PATCH bpf-next v3 13/25] rqspinlock: Add a test-and-set fallback
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d [PATCH bpf-next v3 12/25] rqspinlock: Add deadlock detection and recovery
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d REVIEWED: 1 (0M) [PATCH bpf-next v3 11/25] rqspinlock: Protect waiters in trylock fallback from stalls
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d REVIEWED: 1 (0M) [PATCH bpf-next v3 10/25] rqspinlock: Protect waiters in queue from stalls
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>
• STALE461d REVIEWED: 1 (0M) [PATCH bpf-next v3 09/25] rqspinlock: Protect pending bit owners from stalls
  2025-03-03 · Kumar Kartikeya Dwivedi <memxor@gmail.com>