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 27 patches in this subsystem on kernel-janitors, ordered by date desc.

• DORMANTno replies [PATCH] locking/lockdep: Simplify data output in lockdep_stats_show()
  2026-06-04 · Markus Elfring <hidden>
• STALE103d [PATCH] [PATCH v2 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-20 · Manuel Ebner <hidden>
• STALE105d [PATCH] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-18 · Manuel Ebner <hidden>
• STALE743d Re: MODULE_DESCRIPTION() patches with no maintainer action
  2024-07-19 · "Arnd Bergmann" <arnd@arndb.de>
• STALE723d LANDED [PATCH] locking/lockdep: Simplify character output in seq_line()
  2024-07-15 · Markus Elfring <hidden>
• STALE723d [PATCH] locking/lockdep: Use seq_putc() in five functions
  2024-07-14 · Markus Elfring <hidden>
• STALE751d [PATCH v2] locking/ww_mutex/test: add MODULE_DESCRIPTION()
  2024-05-28 · Jeff Johnson <hidden>
• STALE795d [PATCH] locking/ww_mutex/test: add MODULE_DESCRIPTION()
  2024-05-25 · Jeff Johnson <hidden>
• STALE1255d LANDED [PATCH] docs: locking: refer to the actual existing config names
  2023-02-20 · Lukas Bulwahn <lukas.bulwahn@gmail.com>
• STALE1384d 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>
• STALE1392d 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>
• STALE1393d REVIEWED: 2 (1M) [PATCH v4 1/6] treewide: use prandom_u32_max() when possible, mechanically
  2022-10-07 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1392d REVIEWED: 2 (1M) [PATCH v3 1/5] treewide: use prandom_u32_max() when possible
  2022-10-06 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE1406d [PATCH v2] locking/lock_events: Fix license version
  2022-09-25 · Christophe JAILLET <hidden>
• STALE1406d [PATCH] locking/lock_events: Fix license version
  2022-09-25 · Christophe JAILLET <hidden>
• STALE1787d LANDED [PATCH] locking/rtmutex: Fix ww_mutex deadlock check
  2021-09-01 · Peter Zijlstra <peterz@infradead.org>
• STALE2453d [PATCH] locking/lockdep: update the comment for __lock_release()
  2019-11-04 · Dan Carpenter <hidden>
• DORMANTno replies [PATCH] locking/lockdep: Replace two seq_printf() calls by seq_puts() in print_name()
  2019-07-02 · Markus Elfring <hidden>
• STALE2882d [PATCH] locking/ww_mutex: fix spelling mistake "cylic" -> "cyclic"
  2018-08-24 · Colin King <hidden>
• STALE2916d [PATCH] rtmutex: Drop pointless static qualifier in rt_mutex_adjust_prio_chain()
  2018-08-07 · Mao Wenan <hidden>
• DORMANTno replies [PATCH 6/6] lockdep: Add spaces for better code readability
  2017-05-03 · SF Markus Elfring <hidden>
• STALE3377d [PATCH 5/6] lockdep: Improve a size determination in lock_stat_open()
  2017-05-03 · SF Markus Elfring <hidden>
• STALE3377d [PATCH 4/6] lockdep: Combine two seq_printf() calls into one call in l_show()
  2017-05-03 · SF Markus Elfring <hidden>
• STALE3377d [PATCH 3/6] lockdep: Replace four seq_printf() calls by seq_puts()
  2017-05-03 · SF Markus Elfring <hidden>
• STALE3377d [PATCH 2/6] lockdep: Use seq_putc() in seq_header()
  2017-05-03 · SF Markus Elfring <hidden>
• STALE3377d [PATCH 1/6] lockdep: Replace 11 seq_puts() calls by seq_putc()
  2017-05-03 · SF Markus Elfring <hidden>
• DORMANTno replies [PATCH] locking/ww_mutex: fix spelling mistake: "cylic" -> "cyclic"
  2017-03-30 · Colin King <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.

• STALE103d [PATCH] [PATCH v2 1/3] Documentation: adopt new coding style of type-aware kmalloc-family
  2026-04-20 · Manuel Ebner <hidden>
• DORMANTno replies [PATCH] locking/lockdep: Simplify data output in lockdep_stats_show()
  2026-06-04 · Markus Elfring <hidden>