diff options
Diffstat (limited to 'include/asm-generic/bitops.h')
| -rw-r--r-- | include/asm-generic/bitops.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h index c9f369c4bd7..a54f4421a24 100644 --- a/include/asm-generic/bitops.h +++ b/include/asm-generic/bitops.h @@ -1,19 +1,29 @@ -#ifndef _ASM_GENERIC_BITOPS_H_ -#define _ASM_GENERIC_BITOPS_H_ +#ifndef __ASM_GENERIC_BITOPS_H +#define __ASM_GENERIC_BITOPS_H /* * For the benefit of those who are trying to port Linux to another * architecture, here are some C-language equivalents. You should * recode these in the native assembly language, if at all possible. - * + * * C language equivalents written by Theodore Ts'o, 9/26/92 */ -#include <asm-generic/bitops/atomic.h> -#include <asm-generic/bitops/non-atomic.h> +#include <linux/irqflags.h> +#include <linux/compiler.h> + +/* + * clear_bit may not imply a memory barrier + */ +#ifndef smp_mb__before_clear_bit +#define smp_mb__before_clear_bit() smp_mb() +#define smp_mb__after_clear_bit() smp_mb() +#endif + #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/ffz.h> #include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/find.h> @@ -26,8 +36,10 @@ #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> +#include <asm-generic/bitops/atomic.h> +#include <asm-generic/bitops/non-atomic.h> #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> #include <asm-generic/bitops/minix.h> -#endif /* _ASM_GENERIC_BITOPS_H */ +#endif /* __ASM_GENERIC_BITOPS_H */ |