diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index 6cbdeb4290e2e04c433eaf115e0ff4d38b0d198b..aef3f71de5adf55a97e207fc7f201a93322c6187 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -49,6 +49,8 @@ CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_PMAC64=y
 CONFIG_HZ_100=y
 CONFIG_BINFMT_MISC=m
+CONFIG_PPC_TRANSACTIONAL_MEM=y
+CONFIG_HOTPLUG_CPU=y
 CONFIG_KEXEC=y
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_MEMORY_HOTREMOVE=y
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index 04fa7f2e295f36f304a4e1f107ea2ac3b28d9491..c4dfbaf8b19243987c7647ef0aef7147166e2bf4 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -43,6 +43,8 @@ CONFIG_RTAS_FLASH=m
 CONFIG_IBMEBUS=y
 CONFIG_HZ_100=y
 CONFIG_BINFMT_MISC=m
+CONFIG_PPC_TRANSACTIONAL_MEM=y
+CONFIG_HOTPLUG_CPU=y
 CONFIG_KEXEC=y
 CONFIG_IRQ_ALL_CPUS=y
 CONFIG_MEMORY_HOTPLUG=y