From 83f8ba569fab1acf078befcbac0b98043952ad70 Mon Sep 17 00:00:00 2001 From: "Joel Fernandes (Google)" Date: Sun, 16 Oct 2022 16:23:00 +0000 Subject: [PATCH] UPSTREAM: 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) Signed-off-by: Paul E. McKenney (cherry picked from commit 723df859d8bba948ff2eb08eba32ab433acf7c9c) Bug: 258241771 Signed-off-by: Joel Fernandes Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/4909034 Reviewed-by: Sean Paul Reviewed-by: Vineeth Pillai Signed-off-by: Qais Yousef Change-Id: I680dacb44e81e210e2e4455f28e50b9b516222a8 --- kernel/rcu/rcuscale.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c index 0b88d96511ad..e4a203313906 100644 --- a/kernel/rcu/rcuscale.c +++ b/kernel/rcu/rcuscale.c @@ -175,7 +175,7 @@ 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,