IST_INDEX_MCE    1908 arch/x86/kernel/cpu/common.c 		t->x86_tss.ist[IST_INDEX_MCE] = __this_cpu_ist_top_va(MCE);
IST_INDEX_MCE     189 arch/x86/kernel/idt.c 	ISTG(X86_TRAP_MC,	&machine_check,	IST_INDEX_MCE),