rcu: fix header guard for rcu_all_qs()
authorAnkur Arora <ankur.a.arora@oracle.com>
Fri, 13 Dec 2024 04:06:52 +0000 (20:06 -0800)
committerBoqun Feng <boqun.feng@gmail.com>
Wed, 5 Feb 2025 15:01:55 +0000 (07:01 -0800)
rcu_all_qs() is defined for !CONFIG_PREEMPT_RCU but the declaration
is conditioned on CONFIG_PREEMPTION.

With CONFIG_PREEMPT_LAZY, CONFIG_PREEMPTION=y does not imply
CONFIG_PREEMPT_RCU=y.

Decouple the two.

Cc: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Ankur Arora <ankur.a.arora@oracle.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
include/linux/rcutree.h

index 27d86d9127817e50f8d4dd79e1990d70a02435bb..aad586f15ed0cde4ae7d0b434171606e4d198392 100644 (file)
@@ -103,7 +103,7 @@ extern int rcu_scheduler_active;
 void rcu_end_inkernel_boot(void);
 bool rcu_inkernel_boot_has_ended(void);
 bool rcu_is_watching(void);
-#ifndef CONFIG_PREEMPTION
+#ifndef CONFIG_PREEMPT_RCU
 void rcu_all_qs(void);
 #endif