diff --git a/executer/kernel/mcctrl/ikc.c b/executer/kernel/mcctrl/ikc.c
index 916b2d2e..e07d67a2 100644
--- a/executer/kernel/mcctrl/ikc.c
+++ b/executer/kernel/mcctrl/ikc.c
@@ -207,7 +207,8 @@ static int syscall_packet_handler(struct ihk_ikc_channel_desc *c,
 
 	case SCD_MSG_PROCFS_TID_CREATE:
 	case SCD_MSG_PROCFS_TID_DELETE:
-		procfsm_packet_handler(__os, pisp->msg, pisp->pid, pisp->arg);
+		procfsm_packet_handler(__os, pisp->msg, pisp->pid, pisp->arg,
+				       pisp->resp_pa);
 		break;
 
 	case SCD_MSG_GET_VDSO_INFO:
diff --git a/executer/kernel/mcctrl/mcctrl.h b/executer/kernel/mcctrl/mcctrl.h
index c3b47662..f9f9956a 100644
--- a/executer/kernel/mcctrl/mcctrl.h
+++ b/executer/kernel/mcctrl/mcctrl.h
@@ -507,7 +507,8 @@ struct procfs_file {
 };
 
 void procfs_answer(struct mcctrl_usrdata *ud, int pid);
-int procfsm_packet_handler(void *os, int msg, int pid, unsigned long arg);
+int procfsm_packet_handler(void *os, int msg, int pid, unsigned long arg,
+			   unsigned long resp_pa);
 void add_tid_entry(int osnum, int pid, int tid);
 void add_pid_entry(int osnum, int pid);
 void delete_tid_entry(int osnum, int pid, int tid);
diff --git a/executer/kernel/mcctrl/procfs.c b/executer/kernel/mcctrl/procfs.c
index d36c2900..3feafc37 100644
--- a/executer/kernel/mcctrl/procfs.c
+++ b/executer/kernel/mcctrl/procfs.c
@@ -700,33 +700,48 @@ struct procfs_work {
 	int msg;
 	int pid;
 	unsigned long arg;
+	unsigned long resp_pa;
 	struct work_struct work;
 };
 
 static void procfsm_work_main(struct work_struct *work0)
 {
 	struct procfs_work *work = container_of(work0, struct procfs_work, work);
+	unsigned long phys;
+	int *done;
 
 	switch (work->msg) {
-		case SCD_MSG_PROCFS_TID_CREATE:
-			add_tid_entry(ihk_host_os_get_index(work->os), work->pid, work->arg);
-			break;
+	case SCD_MSG_PROCFS_TID_CREATE:
+		add_tid_entry(ihk_host_os_get_index(work->os),
+				work->pid, work->arg);
+		phys = ihk_device_map_memory(ihk_os_to_dev(work->os),
+					     work->resp_pa, sizeof(int));
+		done = ihk_device_map_virtual(ihk_os_to_dev(work->os),
+					      phys, sizeof(int), NULL, 0);
+		*done = 1;
+		ihk_device_unmap_virtual(ihk_os_to_dev(work->os),
+						 done, sizeof(int));
+		ihk_device_unmap_memory(ihk_os_to_dev(work->os),
+					phys, sizeof(int));
+		break;
 
-		case SCD_MSG_PROCFS_TID_DELETE:
-			delete_tid_entry(ihk_host_os_get_index(work->os), work->pid, work->arg);
-			break;
+	case SCD_MSG_PROCFS_TID_DELETE:
+		delete_tid_entry(ihk_host_os_get_index(work->os),
+				 work->pid, work->arg);
+		break;
 
-		default:
-			printk("%s: unknown work: msg: %d, pid: %d, arg: %lu)\n",
-					__FUNCTION__, work->msg, work->pid, work->arg);
-			break;
+	default:
+		pr_warn("%s: unknown work: msg: %d, pid: %d, arg: %lu)\n",
+			__func__, work->msg, work->pid, work->arg);
+		break;
 	}
 
 	kfree(work);
 	return;
 }
 
-int procfsm_packet_handler(void *os, int msg, int pid, unsigned long arg)
+int procfsm_packet_handler(void *os, int msg, int pid, unsigned long arg,
+			   unsigned long resp_pa)
 {
 	struct procfs_work *work = NULL;
 
@@ -740,6 +755,7 @@ int procfsm_packet_handler(void *os, int msg, int pid, unsigned long arg)
 	work->msg = msg;
 	work->pid = pid;
 	work->arg = arg;
+	work->resp_pa = resp_pa;
 	INIT_WORK(&work->work, &procfsm_work_main);
 
 	schedule_work(&work->work);
diff --git a/kernel/procfs.c b/kernel/procfs.c
index bf1b2879..71ae751b 100644
--- a/kernel/procfs.c
+++ b/kernel/procfs.c
@@ -117,6 +117,7 @@ procfs_thread_ctl(struct thread *thread, int msg)
 {
 	struct ihk_ikc_channel_desc *syscall_channel;
 	struct ikc_scd_packet packet;
+	int done = 0;
 
 	syscall_channel = cpu_local_var(ikc2linux);
 	memset(&packet, '\0', sizeof packet);
@@ -125,9 +126,14 @@ procfs_thread_ctl(struct thread *thread, int msg)
 	packet.osnum = ihk_mc_get_osnum();
 	packet.ref = thread->cpu_id;
 	packet.pid = thread->proc->pid;
+	packet.resp_pa = virt_to_phys(&done);
 	packet.err = 0;
 
 	ihk_ikc_send(syscall_channel, &packet, 0);
+	if (msg == SCD_MSG_PROCFS_TID_CREATE) {
+		while (!done)
+			cpu_pause();
+	}
 }
 
 void