CPUID_MWAIT_INTBRK
(CPUID_MWAIT_EXT | CPUID_MWAIT_INTBRK)) ==
(CPUID_MWAIT_EXT | CPUID_MWAIT_INTBRK)) {
if ((cpu_mwait_feature & (CPUID_MWAIT_EXT | CPUID_MWAIT_INTBRK)) !=
(CPUID_MWAIT_EXT | CPUID_MWAIT_INTBRK))