EAX_EDX_ARGS 51 arch/x86/include/asm/msr.h #define EAX_EDX_ARGS(val, low, high) "a" (low), "d" (high) EAX_EDX_ARGS 56 arch/x86/include/asm/msr.h #define EAX_EDX_ARGS(val, low, high) "A" (val)