KVM_CPUID_FLAG_SIGNIFCANT_INDEX
if (!(e->flags & KVM_CPUID_FLAG_SIGNIFCANT_INDEX) || e->index == index)
entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
out->flags |= sub_leaf_set ? KVM_CPUID_FLAG_SIGNIFCANT_INDEX : 0;