Commit-ID: fe21a27e8ca0937a5ac298de1f4b46382e9c5c88
Gitweb: http://git.kernel.org/tip/fe21a27e8ca0937a5ac298de1f4b46382e9c5c88
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Wed, 3 May 2017 13:45:51 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 8 Jun 2017 18:52:33 -0700
rcu: Move rcu_request_urgent_qs_task() out of rcutiny.h and rcutree.h
The rcu_request_urgent_qs_task() function is used only within RCU,
so there is no point in exporting it to the rest of the kernel from
nclude/linux/rcutiny.h and include/linux/rcutree.h. This commit therefore
moves this function to kernel/rcu/rcu.h.
Reported-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
include/linux/rcutiny.h | 4 ----
include/linux/rcutree.h | 3 ---
kernel/rcu/rcu.h | 6 ++++++
3 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 0d92709..f506794 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -157,10 +157,6 @@ static inline bool rcu_is_watching(void)
return true;
}
-static inline void rcu_request_urgent_qs_task(struct task_struct *t)
-{
-}
-
static inline void rcu_all_qs(void)
{
barrier(); /* Avoid RCU read-side critical sections leaking across. */
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 4311332..d6aa89d 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -91,10 +91,7 @@ void exit_rcu(void);
void rcu_scheduler_starting(void);
extern int rcu_scheduler_active __read_mostly;
-
bool rcu_is_watching(void);
-void rcu_request_urgent_qs_task(struct task_struct *t);
-
void rcu_all_qs(void);
/* RCUtree hotplug events */
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index d849b37..5b76a5b 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -335,6 +335,12 @@ void rcupdate_announce_bootup_oddness(void);
#define RCU_SCHEDULER_INIT 1
#define RCU_SCHEDULER_RUNNING 2
+#ifdef CONFIG_TINY_RCU
+static inline void rcu_request_urgent_qs_task(struct task_struct *t) { }
+#else /* #ifdef CONFIG_TINY_RCU */
+void rcu_request_urgent_qs_task(struct task_struct *t);
+#endif /* #else #ifdef CONFIG_TINY_RCU */
+
enum rcutorture_type {
RCU_FLAVOR,
RCU_BH_FLAVOR,
--
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