diff options
Diffstat (limited to 'tools/perf/util/include/linux/bitops.h')
| -rw-r--r-- | tools/perf/util/include/linux/bitops.h | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/tools/perf/util/include/linux/bitops.h b/tools/perf/util/include/linux/bitops.h index 8d63116..bb4ac2e 100644 --- a/tools/perf/util/include/linux/bitops.h +++ b/tools/perf/util/include/linux/bitops.h @@ -1,13 +1,12 @@ #ifndef _PERF_LINUX_BITOPS_H_ #define _PERF_LINUX_BITOPS_H_ -#define __KERNEL__ +#include <linux/kernel.h> +#include <asm/hweight.h> -#define CONFIG_GENERIC_FIND_NEXT_BIT -#define CONFIG_GENERIC_FIND_FIRST_BIT -#include "../../../../include/linux/bitops.h" - -#undef __KERNEL__ +#define BITS_PER_LONG __WORDSIZE +#define BITS_PER_BYTE 8 +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long)) static inline void set_bit(int nr, unsigned long *addr) { @@ -20,10 +19,9 @@ static __always_inline int test_bit(unsigned int nr, const unsigned long *addr) (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0; } -unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned - long size, unsigned long offset); - -unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned - long size, unsigned long offset); +static inline unsigned long hweight_long(unsigned long w) +{ + return sizeof(w) == 4 ? hweight32(w) : hweight64(w); +} #endif |
