Commits
Paul E. McKenney committed 29fd9309401
rcu: Use funnel locking for synchronize_rcu_expedited()'s polling loop This commit gets rid of synchronize_rcu_expedited()'s mutex_trylock() polling loop in favor of the funnel-locking scheme that was abstracted from synchronize_sched_expedited(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>