bitops api · Maintained

Maintainers

• M Yury Norov <yury.norov@gmail.com>
• R Rasmus Villemoes <linux@rasmusvillemoes.dk>

Paths

• F arch/*/include/asm/bitops.h
• F arch/*/include/asm/bitops_32.h
• F arch/*/include/asm/bitops_64.h
• F arch/*/lib/bitops.c
• F include/asm-generic/bitops
• F include/asm-generic/bitops.h
• F include/linux/bitops.h
• F include/linux/bitrev.h
• F include/linux/count_zeros.h
• F lib/bitrev.c
• F lib/hweight.c
• F lib/test_bitops.c
• F lib/tests/bitops_kunit.c
• F tools/*/bitops*

Last 30 days

Recent patches

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

• COLD35d REVIEWED: 8 (8M) [PATCH v15 07/24] bitops: import BITS_PER_TYPE() macro from linux
  2026-07-03 · Mikhail Kshevetskiy <hidden>
• COLD41d REVIEWED: 7 (7M) [PATCH v14 01/18] bitops: import BITS_PER_TYPE() macro from linux
  2026-07-02 · Mikhail Kshevetskiy <hidden>
• COLD44d REVIEWED: 7 (7M) [PATCH v13 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-06-17 · Mikhail Kshevetskiy <hidden>
• COLD58d REVIEWED: 7 (7M) [PATCH v12 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-06-16 · Mikhail Kshevetskiy <hidden>
• STALE73d REVIEWED: 7 (7M) [PATCH v11 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-06-01 · Mikhail Kshevetskiy <hidden>
• STALE79d REVIEWED: 7 (7M) [PATCH v10 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-26 · Mikhail Kshevetskiy <hidden>
• STALE81d REVIEWED: 7 (7M) [PATCH v9 1/9] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-24 · Mikhail Kshevetskiy <hidden>
• STALE87d REVIEWED: 7 (7M) [PATCH v8 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-18 · Mikhail Kshevetskiy <hidden>
• STALE89d REVIEWED: 7 (7M) [PATCH v7 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-16 · Mikhail Kshevetskiy <hidden>
• STALE91d REVIEWED: 7 (7M) [PATCH v6 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-14 · Mikhail Kshevetskiy <hidden>
• STALE92d [PATCH v5 01/11] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-09 · Mikhail Kshevetskiy <hidden>
• STALE98d [PATCH 1/2] bitops: Guard GENMASK and GENMASK_ULL against prior defines
  2026-04-30 · Simon Glass <sjg@chromium.org>
• STALE248d REVIEWED: 3 (3M) [PATCH v3 1/6] lib: Import rol32 function from Linux
  2025-11-18 · Heiko Schocher <hidden>
• STALE274d [PATCH v2 1/5] lib: Import rol32 function from Linux
  2025-11-11 · Heiko Schocher <hidden>
• STALE276d [PATCH v1 1/5] lib: Import rol32 function from Linux
  2025-11-01 · Heiko Schocher <hidden>
• STALE744d [PATCH 07/15] include: linux: Remove duplicate newlines
  2024-07-22 · Marek Vasut <marek.vasut+renesas@mailbox.org>
• STALE1399d [PATCH] sandbox: Eliminate CONFIG_HOST_32/64BIT
  2022-10-14 · Heinrich Schuchardt <hidden>
• STALE1589d [PATCH 5/9] include: Import <linux/bits.h> & Update bitops.h
  2022-03-16 · Pierre-Clément Tosi <hidden>
• STALE1990d [PATCH 4/5] log: convert pr_*() to logging
  2021-01-04 · Heinrich Schuchardt <hidden>
• STALE2107d REVIEWED: 1 (0M) [PATCH v3 01/30] Add an assembly guard around linux/bitops.h
  2020-11-04 · Simon Glass <sjg@chromium.org>
• STALE2108d REVIEWED: 1 (0M) [PATCH v2 01/30] Add an assembly guard around linux/bitops.h
  2020-10-22 · Simon Glass <sjg@chromium.org>
• STALE2127d [PATCH 01/32] Add an assembly guard around linux/bitops.h
  2020-09-28 · Simon Glass <sjg@chromium.org>
• DORMANTno replies [PATCH] Add an assembly guard around linux/bitops.h
  2020-07-27 · Simon Glass <sjg@chromium.org>
• STALE2277d [PATCH v3 22/22] common: Drop linux/bitops.h from common header
  2020-05-10 · Simon Glass <sjg@chromium.org>
• STALE2286d [PATCH v2 22/22] common: Drop linux/bitops.h from common header
  2020-04-09 · Simon Glass <sjg@chromium.org>
• STALE2266d [PATCH 18/18] common: Drop linux/bitops.h from common header
  2020-04-07 · Simon Glass <sjg@chromium.org>
• STALE2397d REVIEWED: 1 (1M) [PATCH v4 01/10] lib: Import few bitmap functions from Linux
  2019-12-09 · Vignesh Raghavendra <vigneshr@ti.com>
• STALE2444d REVIEWED: 1 (1M) [PATCH v3 01/10] lib: Import few bitmap functions from Linux
  2019-12-04 · Vignesh Raghavendra <vigneshr@ti.com>
• STALE2446d [U-Boot] [PATCH RESEND v2 01/10] lib: Import few bitmap functions from Linux
  2019-12-02 · Vignesh Raghavendra <vigneshr@ti.com>
• STALE2459d [U-Boot] [PATCH 01/11] lib: Import few bitmap functions from Linux
  2019-11-14 · Vignesh Raghavendra <vigneshr@ti.com>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• STALE87d REVIEWED: 7 (7M) [PATCH v8 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-18 · Mikhail Kshevetskiy <hidden> · 1 Reviewed-by
• STALE81d REVIEWED: 7 (7M) [PATCH v9 1/9] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-24 · Mikhail Kshevetskiy <hidden> · 1 Reviewed-by
• STALE79d REVIEWED: 7 (7M) [PATCH v10 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-26 · Mikhail Kshevetskiy <hidden> · 1 Reviewed-by
• STALE73d REVIEWED: 7 (7M) [PATCH v11 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-06-01 · Mikhail Kshevetskiy <hidden> · 1 Reviewed-by
• COLD58d REVIEWED: 7 (7M) [PATCH v12 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-06-16 · Mikhail Kshevetskiy <hidden> · 1 Reviewed-by
• COLD44d REVIEWED: 7 (7M) [PATCH v13 01/12] bitops: import BITS_PER_TYPE() macro from linux
  2026-06-17 · Mikhail Kshevetskiy <hidden> · 1 Reviewed-by
• COLD41d REVIEWED: 7 (7M) [PATCH v14 01/18] bitops: import BITS_PER_TYPE() macro from linux
  2026-07-02 · Mikhail Kshevetskiy <hidden> · 1 Reviewed-by

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.

• STALE92d [PATCH v5 01/11] bitops: import BITS_PER_TYPE() macro from linux
  2026-05-09 · Mikhail Kshevetskiy <hidden>