diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c
index aba6842a22..10d34254f0 100644
--- a/hw/i386/kvm/clock.c
+++ b/hw/i386/kvm/clock.c
@@ -50,6 +50,9 @@ struct KVMClockState {
     /* whether the 'clock' value was obtained in a host with
      * reliable KVM_GET_CLOCK */
     bool clock_is_reliable;
+
+    NotifierWithReturn kvmclock_vcpufd_change_notifier;
+    NotifierWithReturn kvmclock_vmfd_change_notifier;
 };
 
 struct pvclock_vcpu_time_info {
@@ -63,6 +66,9 @@ struct pvclock_vcpu_time_info {
     uint8_t    pad[2];
 } __attribute__((__packed__)); /* 32 bytes */
 
+static int kvmclock_set_clock(NotifierWithReturn *notifier,
+                              void *data, Error** errp);
+
 static uint64_t kvmclock_current_nsec(KVMClockState *s)
 {
     CPUState *cpu = first_cpu;
@@ -219,6 +225,54 @@ static void kvmclock_vm_state_change(void *opaque, bool running,
     }
 }
 
+static int kvmclock_save_clock(NotifierWithReturn *notifier,
+                               void *data, Error** errp)
+{
+    if (!((VmfdChangeNotifier *)data)->pre) {
+        return 0;
+    }
+    KVMClockState *s = container_of(notifier, KVMClockState,
+                                    kvmclock_vmfd_change_notifier);
+    kvm_update_clock(s);
+    return 0;
+}
+
+static int kvmclock_set_clock(NotifierWithReturn *notifier,
+                              void *data, Error** errp)
+{
+    struct kvm_clock_data clock_data = {};
+    CPUState *cpu;
+    int ret;
+    KVMClockState *s = container_of(notifier, KVMClockState,
+                                    kvmclock_vcpufd_change_notifier);
+    int cap_clock_ctrl = kvm_check_extension(kvm_state, KVM_CAP_KVMCLOCK_CTRL);
+
+    if (!s->clock_is_reliable) {
+        uint64_t pvclock_via_mem = kvmclock_current_nsec(s);
+        /* saved clock value before vmfd change is not reliable */
+        if (pvclock_via_mem) {
+            s->clock = pvclock_via_mem;
+        }
+    }
+
+    clock_data.clock = s->clock;
+    ret = kvm_vm_ioctl(kvm_state, KVM_SET_CLOCK, &clock_data);
+    if (ret < 0) {
+        fprintf(stderr, "KVM_SET_CLOCK failed: %s\n", strerror(-ret));
+        abort();
+    }
+
+    if (!cap_clock_ctrl) {
+        return 0;
+    }
+    CPU_FOREACH(cpu) {
+        run_on_cpu(cpu, do_kvmclock_ctrl, RUN_ON_CPU_NULL);
+    }
+
+    return 0;
+}
+
+
 static void kvmclock_realize(DeviceState *dev, Error **errp)
 {
     KVMClockState *s = KVM_CLOCK(dev);
@@ -230,7 +284,12 @@ static void kvmclock_realize(DeviceState *dev, Error **errp)
 
     kvm_update_clock(s);
 
+    s->kvmclock_vcpufd_change_notifier.notify = kvmclock_set_clock;
+    s->kvmclock_vmfd_change_notifier.notify = kvmclock_save_clock;
+
     qemu_add_vm_change_state_handler(kvmclock_vm_state_change, s);
+    kvm_vcpufd_add_change_notifier(&s->kvmclock_vcpufd_change_notifier);
+    kvm_vmfd_add_change_notifier(&s->kvmclock_vmfd_change_notifier);
 }
 
 static bool kvmclock_clock_is_reliable_needed(void *opaque)