diff mbox series

[08/16] rcu/sync: Use call_rcu_hurry() instead of call_rcu

Message ID 20221130181325.1012760-8-paulmck@kernel.org (mailing list archive)
State Mainlined
Commit 7651d6b25086656eacfdd8356bfe3a21c0c2d79d
Headers show
Series Lazy call_rcu() updates for v6.2 | expand

Commit Message

Paul E. McKenney Nov. 30, 2022, 6:13 p.m. UTC 
From: "Joel Fernandes (Google)" <joel@joelfernandes.org>

call_rcu() changes to save power will slow down rcu sync. Use the
call_rcu_hurry() API instead which reverts 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>
---
 kernel/rcu/sync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/kernel/rcu/sync.c b/kernel/rcu/sync.c
index 5cefc702158fe..e550f97779b8d 100644
--- a/kernel/rcu/sync.c
+++ b/kernel/rcu/sync.c
@@ -44,7 +44,7 @@  static void rcu_sync_func(struct rcu_head *rhp);
 
 static void rcu_sync_call(struct rcu_sync *rsp)
 {
-	call_rcu(&rsp->cb_head, rcu_sync_func);
+	call_rcu_hurry(&rsp->cb_head, rcu_sync_func);
 }
 
 /**