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| author | James Morris <jmorris@namei.org> | 2009-06-19 02:20:55 +0400 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-06-19 02:20:55 +0400 |
| commit | d905163c5b23f6d8511971e06081a1b525e8a0bd (patch) | |
| tree | f76918c1be802ec068d37763466f5518efdb690e /include/asm-generic/swab.h | |
| parent | 44c2d9bdd7022ca7d240d5adc009296fc1c6ce08 (diff) | |
| parent | 0732f87761dbe417cb6e084b712d07e879e876ef (diff) | |
| download | linux-d905163c5b23f6d8511971e06081a1b525e8a0bd.tar.xz | |
Merge branch 'master' into next
Diffstat (limited to 'include/asm-generic/swab.h')
| -rw-r--r-- | include/asm-generic/swab.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/asm-generic/swab.h b/include/asm-generic/swab.h new file mode 100644 index 000000000000..a8e9029d9eba --- /dev/null +++ b/include/asm-generic/swab.h @@ -0,0 +1,18 @@ +#ifndef _ASM_GENERIC_SWAB_H +#define _ASM_GENERIC_SWAB_H + +#include <asm/bitsperlong.h> + +/* + * 32 bit architectures typically (but not always) want to + * set __SWAB_64_THRU_32__. In user space, this is only + * valid if the compiler supports 64 bit data types. + */ + +#if __BITS_PER_LONG == 32 +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) +#define __SWAB_64_THRU_32__ +#endif +#endif + +#endif /* _ASM_GENERIC_SWAB_H */ |