diff --git a/openpower/configs/linux/skiroot_p9_defconfig b/openpower/configs/linux/skiroot_p9_defconfig
index 9b5c8ae..20a0501 100644
--- a/openpower/configs/linux/skiroot_p9_defconfig
+++ b/openpower/configs/linux/skiroot_p9_defconfig
@@ -1,14 +1,12 @@
 CONFIG_PPC64=y
 CONFIG_ALTIVEC=y
 CONFIG_VSX=y
-CONFIG_SMP=y
 CONFIG_NR_CPUS=2048
 CONFIG_CPU_LITTLE_ENDIAN=y
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_CROSS_MEMORY_ATTACH is not set
-CONFIG_IRQ_DOMAIN_DEBUG=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_TASKSTATS=y
@@ -29,6 +27,7 @@
 CONFIG_PERF_EVENTS=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_JUMP_LABEL=y
+CONFIG_STRICT_KERNEL_RWX=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_SIG=y
@@ -170,6 +169,8 @@
 # CONFIG_BACKLIGHT_GENERIC is not set
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
 CONFIG_USB_HIDDEV=y
 CONFIG_USB=y
 CONFIG_USB_MON=y
@@ -211,7 +212,11 @@
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_STACKOVERFLOW=y
-CONFIG_LOCKUP_DETECTOR=y
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_HARDLOCKUP_DETECTOR=y
+CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
+CONFIG_WQ_WATCHDOG=y
 CONFIG_SCHEDSTATS=y
 # CONFIG_FTRACE is not set
 CONFIG_XMON=y