CPUIDECX_X2APIC
ISSET(cpu_ecxfeature, CPUIDECX_X2APIC))) {
CPUIDECX_DCA | CPUIDECX_X2APIC | CPUIDECX_DEADLINE)
{ CPUIDECX_X2APIC, "x2APIC" },
cpu_ecxfeature &= ~CPUIDECX_X2APIC;