diff options
Diffstat (limited to 'src/sys/include/arch/amd64/mdcpu.h')
| -rw-r--r-- | src/sys/include/arch/amd64/mdcpu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sys/include/arch/amd64/mdcpu.h b/src/sys/include/arch/amd64/mdcpu.h index 98ecc16..420bdee 100644 --- a/src/sys/include/arch/amd64/mdcpu.h +++ b/src/sys/include/arch/amd64/mdcpu.h @@ -31,6 +31,9 @@ #define _MACHINE_MDCPU_H_ 1 #include <sys/types.h> +#include <sys/cdefs.h> + +#define md_spinwait() __ASMV("pause") /* * Represents the machine dependent information |