__vcpu_get_cpuid_entry
return __vcpu_get_cpuid_entry(vcpu, function, 0);
entry = __vcpu_get_cpuid_entry(vcpu, feature.function, feature.index);
entry = __vcpu_get_cpuid_entry(vcpu, property.function, property.index);
entry = __vcpu_get_cpuid_entry(vcpu, feature.function, feature.index);