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| author | Namhyung Kim <namhyung@kernel.org> | 2024-04-08 20:55:19 +0200 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2024-04-11 19:38:29 +0200 |
| commit | 99e4e1174acd7f5a942d37e1ac6c115f870d5975 (patch) | |
| tree | 64675da18977cf517b772725da6897c6b0cc5a71 /tools/include/asm-generic/bitops/fls.h | |
| parent | tools/include: Sync x86 asm/msr-index.h with the kernel sources (diff) | |
| download | linux-99e4e1174acd7f5a942d37e1ac6c115f870d5975.tar.xz linux-99e4e1174acd7f5a942d37e1ac6c115f870d5975.zip | |
tools/include: Sync asm-generic/bitops/fls.h with the kernel sources
To pick up the changes from:
cb4ede926134 ("riscv: Avoid code duplication with generic bitops implementation")
This should address these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/asm-generic/bitops/__fls.h include/asm-generic/bitops/__fls.h
diff -u tools/include/asm-generic/bitops/fls.h include/asm-generic/bitops/fls.h
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: linux-arch@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-9-namhyung@kernel.org
Diffstat (limited to 'tools/include/asm-generic/bitops/fls.h')
| -rw-r--r-- | tools/include/asm-generic/bitops/fls.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/include/asm-generic/bitops/fls.h b/tools/include/asm-generic/bitops/fls.h index b168bb10e1be..26f3ce1dd6e4 100644 --- a/tools/include/asm-generic/bitops/fls.h +++ b/tools/include/asm-generic/bitops/fls.h @@ -3,14 +3,14 @@ #define _ASM_GENERIC_BITOPS_FLS_H_ /** - * fls - find last (most-significant) bit set + * generic_fls - find last (most-significant) bit set * @x: the word to search * * This is defined the same way as ffs. * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. */ -static __always_inline int fls(unsigned int x) +static __always_inline int generic_fls(unsigned int x) { int r = 32; @@ -39,4 +39,8 @@ static __always_inline int fls(unsigned int x) return r; } +#ifndef __HAVE_ARCH_FLS +#define fls(x) generic_fls(x) +#endif + #endif /* _ASM_GENERIC_BITOPS_FLS_H_ */ |