rcu_dereference
for (p = rcu_dereference((head)->next); \
p = rcu_dereference((p)->next))
rcu_dereference(p); \
__typeof(*p) *n = rcu_dereference(p); \
(_link = rcu_dereference((_vif)->link_conf[_linkid])) )
ops = rcu_dereference(ulp->ulp_ops);
ops = rcu_dereference(ulp->ulp_ops);
qp = rcu_dereference(rvp->qp[qpn]);
for (qp = rcu_dereference(rdi->qp_dev->qp_table[n]); qp;
qp = rcu_dereference(qp->next))