PVOP_CALL_ARG1 495 arch/x86/include/asm/paravirt_types.h #define PVOP_CALL_ARG1(x) "a" ((unsigned long)(x)) PVOP_CALL_ARG1 515 arch/x86/include/asm/paravirt_types.h #define PVOP_CALL_ARG1(x) "D" ((unsigned long)(x))