get_kvmclock_ns
return div_u64(get_kvmclock_ns(kvm), 100);
return ktime_get_real_ns() - get_kvmclock_ns(kvm);
u64 get_kvmclock_ns(struct kvm *kvm);
if (get_kvmclock_ns(vcpu->kvm) <
if (get_kvmclock_ns(vcpu->kvm) <
guest_now = get_kvmclock_ns(vcpu->kvm);
u64 now = get_kvmclock_ns(v->kvm);