rcu_get_root
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
rnp = rcu_get_root();
__releases(rcu_get_root()->lock)
raw_lockdep_assert_held_rcu_node(rcu_get_root());
raw_spin_unlock_irqrestore_rcu_node(rcu_get_root(), flags);
struct rcu_node *rnp = rcu_get_root();
int rnp_index = rnp - rcu_get_root();
struct rcu_node *rnp = rcu_get_root();
rnp = rcu_get_root();
struct rcu_node *rnp_root = rcu_get_root();
struct rcu_node *rnp_root = rcu_get_root();
struct rcu_node *rnp_root = rcu_get_root();
rnp = rcu_get_root();
int rnp_index = rnp - rcu_get_root();
struct rcu_node *rnp_root = rcu_get_root();
data_race(READ_ONCE(rcu_get_root()->qsmask)));
struct rcu_node *rnp = rcu_get_root();
(long)data_race(READ_ONCE(rcu_get_root()->gp_seq_needed)),