RCU_SCHEDULER_RUNNING
rcu_scheduler_active = RCU_SCHEDULER_RUNNING;
if (rcu_scheduler_active != RCU_SCHEDULER_RUNNING)
rcu_scheduler_active != RCU_SCHEDULER_RUNNING ||
if (rcu_scheduler_active != RCU_SCHEDULER_RUNNING) {
rcu_scheduler_active = RCU_SCHEDULER_RUNNING;
if (rcu_scheduler_active == RCU_SCHEDULER_RUNNING &&
if (rcu_scheduler_active == RCU_SCHEDULER_RUNNING)