The series is the result of this discussion: https://lkml.org/lkml/2017/5/12/665 plus this patch: https://lkml.org/lkml/2017/5/13/137 (I'd like to have it together with others.) Patch 1 remove useless GENERIC_FIND_FIRST_BIT option. Patches 2 and 3 change the order of macros definition and/or headers inclusion for frv and m86k, as it's needed in patch 4. Patch 4 adds the optimization for find_first_bit() and find_first_zero_bit(). Patches 5 and 6 consolidate the implementation of sched_find_first_bit(), and make it local. According to previous discussion, I added Arnd's ack to patches 5 and 6. https://lkml.org/lkml/2017/5/15/514 and suggested-by to patch 4. Arnd, are you OK with it? Yury Norov (6): arch: remove GENERIC_FIND_FIRST_BIT m68k: make __ffs and ffz defined prior to including find.h frv: make __ffs() visible for find.h find_first{,_zero}_bit: unroll search cycle for small bitmaps alpha: drop custom implementation for sched_find_first_bit() sched: move sched_find_first_bit() from bitops.h to kernel/sched/sched.h arch/alpha/include/asm/bitops.h | 18 ----- arch/arc/Kconfig | 1 - arch/arc/include/asm/bitops.h | 1 - arch/arm/include/asm/bitops.h | 1 - arch/arm64/include/asm/bitops.h | 1 - arch/blackfin/include/asm/bitops.h | 1 - arch/c6x/include/asm/bitops.h | 1 - arch/cris/include/asm/bitops.h | 2 - arch/frv/include/asm/bitops.h | 4 +- arch/h8300/include/asm/bitops.h | 1 - arch/hexagon/include/asm/bitops.h | 1 - arch/ia64/include/asm/bitops.h | 2 - arch/m32r/include/asm/bitops.h | 1 - arch/m68k/include/asm/bitops.h | 162 ++++++++++++++++++------------------- arch/metag/include/asm/bitops.h | 1 - arch/mips/include/asm/bitops.h | 2 - arch/mn10300/include/asm/bitops.h | 1 - arch/openrisc/include/asm/bitops.h | 1 - arch/parisc/include/asm/bitops.h | 1 - arch/powerpc/include/asm/bitops.h | 2 - arch/s390/Kconfig | 1 - arch/s390/include/asm/bitops.h | 1 - arch/sh/include/asm/bitops.h | 1 - arch/sparc/include/asm/bitops_32.h | 1 - arch/sparc/include/asm/bitops_64.h | 1 - arch/tile/Kconfig | 1 - arch/tile/include/asm/bitops.h | 1 - arch/unicore32/Kconfig | 1 - arch/x86/Kconfig | 1 - arch/x86/include/asm/bitops.h | 2 - arch/x86/um/Kconfig | 1 - arch/xtensa/include/asm/bitops.h | 1 - include/asm-generic/bitops.h | 1 - include/asm-generic/bitops/find.h | 82 +++++++++++++++++-- include/asm-generic/bitops/sched.h | 31 ------- kernel/sched/sched.h | 23 ++++++ lib/Kconfig | 3 - lib/find_bit.c | 8 +- 38 files changed, 182 insertions(+), 184 deletions(-) delete mode 100644 include/asm-generic/bitops/sched.h -- 2.11.0
