rcu/rcuscale: Use call_rcu_hurry() for async reader test

rcuscale uses call_rcu() to queue async readers. With recent changes to
save power, the test will have fewer async readers in flight. Use the
call_rcu_hurry() API instead to revert to the old behavior.

[ paulmck: Apply s/call_rcu_flush/call_rcu_hurry/ feedback from Tejun Heo. ]

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
index 3baded8..91fb590 100644 (file)
--- a/kernel/rcu/rcuscale.c
+++ b/kernel/rcu/rcuscale.c
@@ -176,7 +176,7 @@ static struct rcu_scale_ops rcu_ops = {
        .get_gp_seq     = rcu_get_gp_seq,
        .gp_diff        = rcu_seq_diff,
        .exp_completed  = rcu_exp_batches_completed,
-       .async          = call_rcu,
+       .async          = call_rcu_hurry,
        .gp_barrier     = rcu_barrier,
        .sync           = synchronize_rcu,
        .exp_sync       = synchronize_rcu_expedited,