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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-01-08 18:33:37 +0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-01-08 18:35:46 +0300 |
commit | 915b0882c3108a21e9b3b5e176d3151ad522242d (patch) | |
tree | a14074f90fa12b1c0e3cca660397b8400cec58e7 /tools/perf/util/include | |
parent | 64af4e0da419ef9e9db0d34a3b5836adbf90a5e8 (diff) | |
download | linux-915b0882c3108a21e9b3b5e176d3151ad522242d.tar.xz |
tools lib: Move bitmap.[ch] from tools/perf/ to tools/{lib,include}/
So that lib/find_bit.c doesn't requires anything inside tools/perf/
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: George Spelvin <linux@horizon.com
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: http://lkml.kernel.org/n/tip-7lxe7jgohaac5faodndhdmvk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/include')
-rw-r--r-- | tools/perf/util/include/linux/bitmap.h | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h deleted file mode 100644 index 28f5493da491..000000000000 --- a/tools/perf/util/include/linux/bitmap.h +++ /dev/null @@ -1,68 +0,0 @@ -#ifndef _PERF_BITOPS_H -#define _PERF_BITOPS_H - -#include <string.h> -#include <linux/bitops.h> - -#define DECLARE_BITMAP(name,bits) \ - unsigned long name[BITS_TO_LONGS(bits)] - -int __bitmap_weight(const unsigned long *bitmap, int bits); -void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, - const unsigned long *bitmap2, int bits); - -#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) - -#define BITMAP_LAST_WORD_MASK(nbits) \ -( \ - ((nbits) % BITS_PER_LONG) ? \ - (1UL<<((nbits) % BITS_PER_LONG))-1 : ~0UL \ -) - -#define small_const_nbits(nbits) \ - (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG) - -static inline void bitmap_zero(unsigned long *dst, int nbits) -{ - if (small_const_nbits(nbits)) - *dst = 0UL; - else { - int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long); - memset(dst, 0, len); - } -} - -static inline int bitmap_weight(const unsigned long *src, int nbits) -{ - if (small_const_nbits(nbits)) - return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits)); - return __bitmap_weight(src, nbits); -} - -static inline void bitmap_or(unsigned long *dst, const unsigned long *src1, - const unsigned long *src2, int nbits) -{ - if (small_const_nbits(nbits)) - *dst = *src1 | *src2; - else - __bitmap_or(dst, src1, src2, nbits); -} - -/** - * test_and_set_bit - Set a bit and return its old value - * @nr: Bit to set - * @addr: Address to count from - */ -static inline int test_and_set_bit(int nr, unsigned long *addr) -{ - unsigned long mask = BIT_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); - unsigned long old; - - old = *p; - *p = old | mask; - - return (old & mask) != 0; -} - -#endif /* _PERF_BITOPS_H */ |