__FILL_RETURN_BUFFER  143 arch/x86/include/asm/nospec-branch.h 		__stringify(__FILL_RETURN_BUFFER(\reg,\nr,%_ASM_SP))	\
__FILL_RETURN_BUFFER  254 arch/x86/include/asm/nospec-branch.h 				  __stringify(__FILL_RETURN_BUFFER(%0, RSB_CLEAR_LOOPS, %1)),