diff options
Diffstat (limited to 'include/asm-x86/bitops_64.h')
| -rw-r--r-- | include/asm-x86/bitops_64.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h index d4dbbe5f7bd..dacaa5f1feb 100644 --- a/include/asm-x86/bitops_64.h +++ b/include/asm-x86/bitops_64.h @@ -5,6 +5,10 @@ * Copyright 1992, Linus Torvalds. */ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm/alternative.h> #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) @@ -260,7 +264,7 @@ extern long find_first_bit(const unsigned long * addr, unsigned long size); extern long find_next_bit(const unsigned long * addr, long size, long offset); /* return index of first bet set in val or max when no bit is set */ -static inline unsigned long __scanbit(unsigned long val, unsigned long max) +static inline long __scanbit(unsigned long val, unsigned long max) { asm("bsfq %1,%0 ; cmovz %2,%0" : "=&r" (val) : "r" (val), "r" (max)); return val; @@ -408,6 +412,7 @@ static __inline__ int fls(int x) #define ARCH_HAS_FAST_MULTIPLIER 1 #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ |