enable CHECKPOINT_RESTORE on s390x

Bugzilla:
  https://bugzilla.redhat.com/show_bug.cgi?id=1475719
  Fedora - Add new package CRIU for Docker on z Systems

Koji: https://koji.fedoraproject.org/koji/taskinfo?taskID=20859205

Testing:
 The kernel from koji was used to run the CRIU test suite (zdtm)
 on a RHEL s390x system. The kernel was started using kexec.

 # ./zdtm.py run  -a --keep-going
 [...]
 ################## ALL TEST(S) PASSED (TOTAL 317/SKIPPED 31) ###################

Signed-off-by: Adrian Reber <adrian@lisas.de>

kernel-s390x-debug.config

@@ -654,7 +654,7 @@ CONFIG_CGROUPS=y
 # CONFIG_CHARGER_RT9455 is not set
 # CONFIG_CHARGER_SBS is not set
 # CONFIG_CHARGER_SMB347 is not set
-# CONFIG_CHECKPOINT_RESTORE is not set
+CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_CHECK_STACK=y
 CONFIG_CHELSIO_T1_1G=y
 CONFIG_CHELSIO_T1=m
@@ -2573,6 +2573,7 @@ CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
 CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTREMOVE=y
 # CONFIG_MEMORY is not set
+CONFIG_MEM_SOFT_DIRTY=y
 # CONFIG_MEMSTICK_DEBUG is not set
 # CONFIG_MEMSTICK is not set
 CONFIG_MEMSTICK_JMICRON_38X=m

kernel-s390x.config

@@ -653,7 +653,7 @@ CONFIG_CGROUPS=y
 # CONFIG_CHARGER_RT9455 is not set
 # CONFIG_CHARGER_SBS is not set
 # CONFIG_CHARGER_SMB347 is not set
-# CONFIG_CHECKPOINT_RESTORE is not set
+CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_CHECK_STACK=y
 CONFIG_CHELSIO_T1_1G=y
 CONFIG_CHELSIO_T1=m
@@ -2552,6 +2552,7 @@ CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
 CONFIG_MEMORY_HOTPLUG=y
 CONFIG_MEMORY_HOTREMOVE=y
 # CONFIG_MEMORY is not set
+CONFIG_MEM_SOFT_DIRTY=y
 # CONFIG_MEMSTICK_DEBUG is not set
 # CONFIG_MEMSTICK is not set
 CONFIG_MEMSTICK_JMICRON_38X=m

kernel.spec

@@ -2195,6 +2195,9 @@ fi
 #
 #
 %changelog
+* Fri Jul 28 2017 Adrian Reber <adrian@lisas.de>
+- Enable CHECKPOINT_RESTORE on s390x
+
 * Fri Jul 28 2017 Laura Abbott <labbott@fedoraproject.org> - 4.13.0-0.rc2.git3.1
 - Linux v4.13-rc2-110-g0b5477d9dabd