diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/bitmap.c | 10 | ||||
| -rw-r--r-- | tools/perf/util/include/linux/bitmap.h | 11 |
2 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/util/bitmap.c b/tools/perf/util/bitmap.c index 5e230acae1e..0a1adc1111f 100644 --- a/tools/perf/util/bitmap.c +++ b/tools/perf/util/bitmap.c @@ -19,3 +19,13 @@ int __bitmap_weight(const unsigned long *bitmap, int bits) return w; } + +void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, + const unsigned long *bitmap2, int bits) +{ + int k; + int nr = BITS_TO_LONGS(bits); + + for (k = 0; k < nr; k++) + dst[k] = bitmap1[k] | bitmap2[k]; +} diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h index eda4416efa0..bb162e40c76 100644 --- a/tools/perf/util/include/linux/bitmap.h +++ b/tools/perf/util/include/linux/bitmap.h @@ -5,6 +5,8 @@ #include <linux/bitops.h> 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_LAST_WORD_MASK(nbits) \ ( \ @@ -32,4 +34,13 @@ static inline int bitmap_weight(const unsigned long *src, int 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); +} + #endif /* _PERF_BITOPS_H */ |