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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:10 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:15:10 +0000 |
| commit | b5875be0451b92bdd99663c8305ae46bd6a7d90c (patch) | |
| tree | 68a6a5f79ac618c79ba3777c21faaea9aec2f0b4 /libdde-linux26/contrib/include/asm-generic/bitops/ffz.h | |
| parent | ce6a36c7f7c88e7ca0fda816f9282237bb86829d (diff) | |
| parent | 7996a3d79d55b7f879dfd62e202bbfe2963718d3 (diff) | |
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde-linux26/contrib/include/asm-generic/bitops/ffz.h')
| -rw-r--r-- | libdde-linux26/contrib/include/asm-generic/bitops/ffz.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/asm-generic/bitops/ffz.h b/libdde-linux26/contrib/include/asm-generic/bitops/ffz.h new file mode 100644 index 00000000..6744bd4c --- /dev/null +++ b/libdde-linux26/contrib/include/asm-generic/bitops/ffz.h @@ -0,0 +1,12 @@ +#ifndef _ASM_GENERIC_BITOPS_FFZ_H_ +#define _ASM_GENERIC_BITOPS_FFZ_H_ + +/* + * ffz - find first zero in word. + * @word: The word to search + * + * Undefined if no zero exists, so code should check against ~0UL first. + */ +#define ffz(x) __ffs(~(x)) + +#endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */ |