Commits
Paul E. McKenney committed f27bc4873fa
rcu: Document deadlock-avoidance information for rcu_read_unlock() Reported-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>