Commits
Paul E. McKenney committed 06f60de19d3
rcu: Short-circuit synchronize_sched_expedited() if only one CPU If there is only one CPU, then invoking synchronize_sched_expedited() is by definition a grace period. This commit checks for this condition and does a short-circuit return in that case. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>