diff --git a/arch/x86/configs/kensur_defconfig b/arch/x86/configs/kensur_defconfig
index d7856e076d67de..507966f4639843 100644
--- a/arch/x86/configs/kensur_defconfig
+++ b/arch/x86/configs/kensur_defconfig
@@ -12,6 +12,8 @@ CONFIG_BPF_JIT_ALWAYS_ON=y
 CONFIG_PREEMPT=y
 # CONFIG_PREEMPT_DYNAMIC is not set
 # CONFIG_CPU_ISOLATION is not set
+CONFIG_RCU_EXPERT=y
+CONFIG_RCU_BOOST=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_UCLAMP_TASK=y