EAX_EDX_ARGS 33 include/asm-x86/msr.h #define EAX_EDX_ARGS(val, low, high) "a" (low), "d" (high) EAX_EDX_ARGS 38 include/asm-x86/msr.h #define EAX_EDX_ARGS(val, low, high) "A" (val)