// MSG_process_kill(process);
//}
//
-///** @brief Immediately change the host on which all processes are running.
-// * @ingroup msg_VMs
-// *
-// * No migration cost occurs. If you want to simulate this too, you want to use a
-// * MSG_task_send() before or after, depending on whether you want to do cold or hot
-// * migration.
-// */
-//void MSG_vm_migrate(msg_vm_t vm, msg_host_t destination) {
-// unsigned int cpt;
-// msg_process_t process;
-// xbt_dynar_foreach(vm->processes,cpt,process) {
-// MSG_process_migrate(process,destination);
-// }
-// xbt_swag_remove(vm, MSG_host_priv(vm->location)->vms);
-// xbt_swag_insert_at_tail(vm, MSG_host_priv(destination)->vms);
-//
-// #ifdef HAVE_TRACING
-// TRACE_msg_vm_change_host(vm,vm->location,destination);
-// #endif
-//
-// vm->location = destination;
-//}
-//
+
+/** @brief Migrate the VM to the given host.
+ * @ingroup msg_VMs
+ *
+ * FIXME: update comments.
+ * No migration cost occurs. If you want to simulate this too, you want to use a
+ * MSG_task_send() before or after, depending on whether you want to do cold or hot
+ * migration.
+ */
+void MSG_vm_migrate(msg_vm_t vm, msg_host_t destination)
+{
+ /* some thoughts:
+ * - One approach is ...
+ * We first create a new VM (i.e., destination VM) on the destination
+ * physical host. The destination VM will receive the state of the source
+ * VM over network. We will finally destroy the source VM.
+ * - This behavior is similar to the way of migration in the real world.
+ * Even before a migration is completed, we will see a destination VM,
+ * consuming resources.
+ * - We have to relocate all processes. The existing process migraion code
+ * will work for this?
+ * - The name of the VM is a somewhat unique ID in the code. It is tricky
+ * for the destination VM?
+ *
+ * - Another one is ...
+ * We update the information of the given VM to place it to the destination
+ * physical host.
+ *
+ * The second one would be easier.
+ *
+ */
+
+ simcall_vm_migrate(vm, destination);
+
+ #ifdef HAVE_TRACING
+ TRACE_msg_vm_change_host(vm,vm->location,destination);
+ #endif
+
+#if 0
+ unsigned int cpt;
+ msg_process_t process;
+ xbt_dynar_foreach(vm->processes,cpt,process) {
+ MSG_process_migrate(process,destination);
+ }
+ xbt_swag_remove(vm, MSG_host_priv(vm->location)->vms);
+ xbt_swag_insert_at_tail(vm, MSG_host_priv(destination)->vms);
+
+ vm->location = destination;
+#endif
+}
+
/** @brief Immediately suspend the execution of all processes within the given VM.
* @ingroup msg_VMs
