--- .config.org	2017-12-24 18:21:17.166881242 +0900
+++ .config-NTP-1	2017-12-24 18:32:49.820830852 +0900
@@ -77,11 +77,10 @@
 # Timers subsystem
 #
 CONFIG_TICK_ONESHOT=y
-CONFIG_NO_HZ_COMMON=y
-# CONFIG_HZ_PERIODIC is not set
-CONFIG_NO_HZ_IDLE=y
+CONFIG_HZ_PERIODIC=y
+# CONFIG_NO_HZ_IDLE is not set
 # CONFIG_NO_HZ_FULL is not set
-CONFIG_NO_HZ=y
+# CONFIG_NO_HZ is not set
 CONFIG_HIGH_RES_TIMERS=y
 
 #
@@ -2555,6 +2554,7 @@
 #
 CONFIG_PPS=m
 # CONFIG_PPS_DEBUG is not set
+CONFIG_NTP_PPS=y
 
 #
 # PPS clients support