atomic infrastructure · Maintained

Maintainers

• M Will Deacon <will@kernel.org>
• M Peter Zijlstra <peterz@infradead.org>
• M Boqun Feng <boqun@kernel.org>
• R Mark Rutland <mark.rutland@arm.com>
• R Gary Guo <gary@garyguo.net>

Paths

• F Documentation/atomic_*.txt
• F arch/*/include/asm/atomic*.h
• F include/*/atomic*.h
• F include/linux/refcount.h
• F scripts/atomic/
• F rust/kernel/sync/atomic.rs
• F rust/kernel/sync/atomic/
• F rust/kernel/sync/refcount.rs

Last 30 days

Recent patches

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

• COLD43d [PATCH 2/2] rust: kunit: move test configuration gating into macro
  2026-08-18 · Yury Norov <hidden>
• STALE115d [PATCH 2/3] rust: testing: add Kconfig for KUnit test
  2026-04-17 · Yury Norov <hidden>
• STALE115d [PATCH 1/3] rust: tests: drop 'use crate' in bitmap and atomic KUnit tests
  2026-04-17 · Yury Norov <hidden>
• COLD23d [PATCH 1/5] refcount: Remove unused __signed_wrap function annotations
  2026-03-31 · Kees Cook <kees@kernel.org>
• STALE247d [PATCH v5 09/36] compiler-context-analysis: Change __cond_acquires to take return value
  2025-12-19 · Marco Elver <elver@google.com>
• STALE286d [PATCH v4 09/35] compiler-context-analysis: Change __cond_acquires to take return value
  2025-11-20 · Marco Elver <elver@google.com>
• STALE321d [PATCH v3 09/35] compiler-capability-analysis: Change __cond_acquires to take return value
  2025-09-18 · Marco Elver <elver@google.com>
• STALE587d [PATCH v10 11/18] refcount: introduce __refcount_{add|inc}_not_zero_limited_acquire
  2025-02-13 · Suren Baghdasaryan <surenb@google.com>
• STALE587d [PATCH v10 10/18] refcount: provide ops for cases when object's memory can be reused
  2025-02-13 · Suren Baghdasaryan <surenb@google.com>
• STALE594d [PATCH 1/1] refcount: provide ops for cases when object's memory can be reused
  2025-02-06 · Suren Baghdasaryan <surenb@google.com>
• STALE594d Re: [PATCH] refcount: Strengthen inc_not_zero()
  2025-01-17 · Matthew Wilcox <willy@infradead.org>
• STALE594d [PATCH] refcount: Strengthen inc_not_zero()
  2025-01-15 · Peter Zijlstra <peterz@infradead.org>
• STALE594d [PATCH v9 10/17] refcount: introduce __refcount_{add|inc}_not_zero_limited
  2025-01-11 · Suren Baghdasaryan <surenb@google.com>
• STALE624d [PATCH v8 10/16] refcount: introduce __refcount_{add|inc}_not_zero_limited
  2025-01-09 · Suren Baghdasaryan <surenb@google.com>
• STALE541d [PATCH v7 11/17] refcount: introduce __refcount_{add|inc}_not_zero_limited
  2024-12-26 · Suren Baghdasaryan <surenb@google.com>
• STALE644d [PATCH v6 09/16] refcount: introduce __refcount_{add|inc}_not_zero_limited
  2024-12-16 · Suren Baghdasaryan <surenb@google.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 22/27] locking/atomic: scripts: simplify raw_atomic_long*() definitions
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 19/27] locking/atomic: scripts: build raw_atomic_long*() directly
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 21/27] locking/atomic: scripts: split pfx/name/sfx/order
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 16/27] locking/atomic: scripts: factor out order template generation
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 15/27] locking/atomic: scripts: remove leftover "${mult}"
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 14/27] locking/atomic: scripts: remove bogus order parameter
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 04/27] locking/atomic: make atomic*_{cmp,}xchg optional
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1174d LANDED: 1 (0M) [PATCH v2 02/27] locking/atomic: remove fallback comments
  2023-06-05 · Mark Rutland <mark.rutland@arm.com>
• STALE1218d [PATCH 22/26] locking/atomic: scripts: simplify raw_atomic_long*() definitions
  2023-05-22 · Mark Rutland <mark.rutland@arm.com>
• STALE1218d [PATCH 19/26] locking/atomic: scripts: build raw_atomic_long*() directly
  2023-05-22 · Mark Rutland <mark.rutland@arm.com>
• STALE1218d [PATCH 21/26] locking/atomic: scripts: split pfx/name/sfx/order
  2023-05-22 · Mark Rutland <mark.rutland@arm.com>
• STALE1218d [PATCH 16/26] locking/atomic: scripts: factor out order template generation
  2023-05-22 · Mark Rutland <mark.rutland@arm.com>
• STALE1218d [PATCH 15/26] locking/atomic: scripts: remove leftover "${mult}"
  2023-05-22 · Mark Rutland <mark.rutland@arm.com>
• STALE1218d [PATCH 14/26] locking/atomic: scripts: remove bogus order parameter
  2023-05-22 · Mark Rutland <mark.rutland@arm.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.

• COLD23d [PATCH 1/5] refcount: Remove unused __signed_wrap function annotations
  2026-03-31 · Kees Cook <kees@kernel.org>