1 CONFIG_RCU_TRACE=n 2 CONFIG_SMP=y 3 CONFIG_NR_CPUS=4 4 CONFIG_HOTPLUG_CPU=y 5 CONFIG_PREEMPT_NONE=y 6 CONFIG_PREEMPT_VOLUNTARY=n 7 CONFIG_PREEMPT=n 8 #CHECK#CONFIG_RCU_EXPERT=n 9
