diff options
Diffstat (limited to 'include/linux/const.h')
| -rw-r--r-- | include/linux/const.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/const.h b/include/linux/const.h index 07b300bfe34..c22c707c455 100644 --- a/include/linux/const.h +++ b/include/linux/const.h @@ -7,13 +7,18 @@ * C code. Therefore we cannot annotate them always with * 'UL' and other type specifiers unilaterally. We * use the following macros to deal with this. + * + * Similarly, _AT() will cast an expression with a type in C, but + * leave it unchanged in asm. */ #ifdef __ASSEMBLY__ #define _AC(X,Y) X +#define _AT(T,X) X #else #define __AC(X,Y) (X##Y) #define _AC(X,Y) __AC(X,Y) +#define _AT(T,X) ((T)(X)) #endif #endif /* !(_LINUX_CONST_H) */ |