Register PPD and release_handler at the same time.

Fix that process will remain even if signal is received between PPD
registration and release_handler registration.

Refs: #1201
Fujitsu: POSTK_DEBUG_TEMP_FIX_64
Change-Id: I571781963578df8cedb327f19298f595cfb137a3

test/mck_test_config.sample.in

@@ -4,5 +4,6 @@
 : ${SBIN:=@prefix@/sbin}
 : ${OSTEST:=}
 : ${LTP:=}
+: ${STRESS_TEST:=}
 : ${BOOTPARAM:=-c 1-7,9-15,17-23,25-31 -m 10G@0,10G@1 -r 1-7:0+9-15:8+17-23:16+25-31:24}
 : ${MCKERNEL_VERSION:=@MCKERNEL_VERSION@}