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

• DORMANTno replies Re: Linux 6.12.57
  2025-11-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.6.116
  2025-11-02 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE244d REVIEWED: 8 (7M) [PATCH 6.6.y 2/5] bits: introduce fixed-type GENMASK_U*()
  2025-10-31 · William Breathitt Gray <wbg@kernel.org>
• STALE244d REVIEWED: 8 (7M) [PATCH 6.12.y 2/5] bits: introduce fixed-type GENMASK_U*()
  2025-10-31 · William Breathitt Gray <wbg@kernel.org>
• DORMANTno replies Re: Linux 6.6.33
  2024-06-12 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.1.93
  2024-06-12 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE753d REVIEWED: 1 (1M) [PATCH 6.1 100/473] bitops: add missing prototype check
  2024-06-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE753d REVIEWED: 1 (1M) [PATCH 6.6 144/744] bitops: add missing prototype check
  2024-06-06 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.8.12
  2024-05-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 6.9.3
  2024-05-30 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE749d REVIEWED: 1 (1M) [PATCH 6.8 188/493] bitops: add missing prototype check
  2024-05-27 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE764d REVIEWED: 1 (1M) [PATCH 6.9 119/427] bitops: add missing prototype check
  2024-05-27 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE821d REVIEWED: 1 (1M) [PATCH net-next v5 04/21] bitops: add missing prototype check
  2024-02-01 · Alexander Lobakin <aleksander.lobakin@intel.com>
• DORMANTno replies Re: Linux 5.4.246
  2023-06-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 4.19.285
  2023-06-09 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE1119d REVIEWED: 3 (3M) [PATCH 5.4 21/99] ocfs2/dlm: move BITS_TO_BYTES() to bitops.h for wider use
  2023-06-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• STALE1119d REVIEWED: 3 (3M) [PATCH 4.19 23/88] ocfs2/dlm: move BITS_TO_BYTES() to bitops.h for wider use
  2023-06-07 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 11 (11M) FAILED: patch "[PATCH] wait_on_bit: add an acquire memory barrier" failed to apply to 4.9-stable tree
  2022-08-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 11 (11M) FAILED: patch "[PATCH] wait_on_bit: add an acquire memory barrier" failed to apply to 4.19-stable tree
  2022-08-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 11 (11M) FAILED: patch "[PATCH] wait_on_bit: add an acquire memory barrier" failed to apply to 4.14-stable tree
  2022-08-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 11 (11M) FAILED: patch "[PATCH] wait_on_bit: add an acquire memory barrier" failed to apply to 5.4-stable tree
  2022-08-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 11 (11M) FAILED: patch "[PATCH] wait_on_bit: add an acquire memory barrier" failed to apply to 5.15-stable tree
  2022-08-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 11 (11M) FAILED: patch "[PATCH] wait_on_bit: add an acquire memory barrier" failed to apply to 5.19-stable tree
  2022-08-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies REVIEWED: 11 (11M) FAILED: patch "[PATCH] wait_on_bit: add an acquire memory barrier" failed to apply to 5.10-stable tree
  2022-08-29 · <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 4.4.229
  2020-07-01 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 4.9.229
  2020-07-01 · Sasha Levin <sashal@kernel.org>
• STALE2192d REVIEWED: 1 (0M) [PATCH 4.9 070/191] include/linux/bitops.h: avoid clang shift-count-overflow warnings
  2020-06-29 · Sasha Levin <sashal@kernel.org>
• STALE2193d REVIEWED: 1 (0M) [PATCH 4.4 051/135] include/linux/bitops.h: avoid clang shift-count-overflow warnings
  2020-06-29 · Sasha Levin <sashal@kernel.org>
• DORMANTno replies Re: Linux 4.19.130
  2020-06-25 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>
• DORMANTno replies Re: Linux 4.14.186
  2020-06-25 · Greg Kroah-Hartman <gregkh@linuxfoundation.org>