1CONFIG_SMP=n 2CONFIG_NR_CPUS=1 3CONFIG_PREEMPT_NONE=n 4CONFIG_PREEMPT_VOLUNTARY=n 5CONFIG_PREEMPT=y 6#CHECK#CONFIG_PREEMPT_RCU=y 7CONFIG_HZ_PERIODIC=n 8CONFIG_NO_HZ_IDLE=y 9CONFIG_NO_HZ_FULL=n 10CONFIG_RCU_TRACE=n 11CONFIG_RCU_NOCB_CPU=n 12CONFIG_DEBUG_LOCK_ALLOC=n 13CONFIG_RCU_BOOST=n 14CONFIG_DEBUG_OBJECTS_RCU_HEAD=n 15#CHECK#CONFIG_RCU_EXPERT=n 16