diff mbox series

[v2,10/16] rcu/rcuscale: Use call_rcu_flush() for async reader test

Message ID 20221122010421.3799681-10-paulmck@kernel.org (mailing list archive)
State New, archived
Headers show
Series [v2,01/16] rcu: Simplify rcu_init_nohz() cpumask handling | expand

Commit Message

Paul E. McKenney Nov. 22, 2022, 1:04 a.m. UTC 
From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

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_flush() API instead to revert to the old behavior.

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
 kernel/rcu/rcuscale.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c
index 3baded807a616..3b149e745a0f6 100644
--- 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_flush,
 	.gp_barrier	= rcu_barrier,
 	.sync		= synchronize_rcu,
 	.exp_sync	= synchronize_rcu_expedited,