obj-y += update.o srcu.oobj-$(CONFIG_RCU_TORTURE_TEST) += torture.oobj-$(CONFIG_TREE_RCU) += tree.oobj-$(CONFIG_TREE_PREEMPT_RCU) += tree.oobj-$(CONFIG_TREE_RCU_TRACE) += tree_trace.oobj-$(CONFIG_TINY_RCU) += tiny.o