CPUID_MWAIT_LEAF 82 arch/x86/kernel/acpi/cstate.c if (!cpu_cstate_entry || c->cpuid_level < CPUID_MWAIT_LEAF ) CPUID_MWAIT_LEAF 98 arch/x86/kernel/acpi/cstate.c cpuid(CPUID_MWAIT_LEAF, &eax, &ebx, &ecx, &edx);