rcu: Consolidate RCU-sched update-side function definitions

This commit saves a few lines by consolidating the RCU-sched function
definitions at the end of include/linux/rcupdate.h.  This consolidation
also makes it easier to remove them all when the time comes.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

3 files changed, 32 insertions, 47 deletions

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index e530f5739033..12103e1bbe67 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -48,12 +48,6 @@
 #define ulong2long(a)		(*(long *)(&(a)))
 
 /* Exported common interfaces */
-
-#ifndef CONFIG_TINY_RCU
-void synchronize_sched(void);
-void call_rcu_sched(struct rcu_head *head, rcu_callback_t func);
-#endif
-
 void call_rcu(struct rcu_head *head, rcu_callback_t func);
 void rcu_barrier_tasks(void);
 void synchronize_rcu(void);
@@ -170,7 +164,7 @@ void exit_tasks_rcu_finish(void);
 #define rcu_tasks_qs(t)	do { } while (0)
 #define rcu_note_voluntary_context_switch(t)		rcu_all_qs()
 #define call_rcu_tasks call_rcu_sched
-#define synchronize_rcu_tasks synchronize_sched
+#define synchronize_rcu_tasks synchronize_rcu
 static inline void exit_tasks_rcu_start(void) { }
 static inline void exit_tasks_rcu_finish(void) { }
 #endif /* #else #ifdef CONFIG_TASKS_RCU */
@@ -892,4 +886,34 @@ static inline void rcu_barrier_bh(void)
 	rcu_barrier();
 }
 
+static inline void synchronize_sched(void)
+{
+	synchronize_rcu();
+}
+
+static inline void synchronize_sched_expedited(void)
+{
+	synchronize_rcu_expedited();
+}
+
+static inline void call_rcu_sched(struct rcu_head *head, rcu_callback_t func)
+{
+	call_rcu(head, func);
+}
+
+static inline void rcu_barrier_sched(void)
+{
+	rcu_barrier();
+}
+
+static inline unsigned long get_state_synchronize_sched(void)
+{
+	return get_state_synchronize_rcu();
+}
+
+static inline void cond_synchronize_sched(unsigned long oldstate)
+{
+	cond_synchronize_rcu(oldstate);
+}
+
 #endif /* __LINUX_RCUPDATE_H */
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index df82bada9b19..7fa4fb9e899e 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -36,11 +36,6 @@ static inline int rcu_dynticks_snap(struct rcu_dynticks *rdtp)
 /* Never flag non-existent other CPUs! */
 static inline bool rcu_eqs_special_set(int cpu) { return false; }
 
-static inline void synchronize_sched(void)
-{
-	synchronize_rcu();
-}
-
 static inline unsigned long get_state_synchronize_rcu(void)
 {
 	return 0;
@@ -51,36 +46,11 @@ static inline void cond_synchronize_rcu(unsigned long oldstate)
 	might_sleep();
 }
 
-static inline unsigned long get_state_synchronize_sched(void)
-{
-	return 0;
-}
-
-static inline void cond_synchronize_sched(unsigned long oldstate)
-{
-	might_sleep();
-}
-
 extern void rcu_barrier(void);
 
-static inline void rcu_barrier_sched(void)
-{
-	rcu_barrier();  /* Only one CPU, so only one list of callbacks! */
-}
-
 static inline void synchronize_rcu_expedited(void)
 {
-	synchronize_sched();
-}
-
-static inline void synchronize_sched_expedited(void)
-{
-	synchronize_sched();
-}
-
-static inline void call_rcu_sched(struct rcu_head *head, rcu_callback_t func)
-{
-	call_rcu(head, func);
+	synchronize_rcu();
 }
 
 static inline void kfree_call_rcu(struct rcu_head *head, rcu_callback_t func)
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 94820156aa62..d09a9abe9440 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -46,21 +46,12 @@ static inline void rcu_virt_note_context_switch(int cpu)
 }
 
 void synchronize_rcu_expedited(void);
-
-static inline void synchronize_sched_expedited(void)
-{
-	synchronize_rcu_expedited();
-}
-
 void kfree_call_rcu(struct rcu_head *head, rcu_callback_t func);
 
 void rcu_barrier(void);
-void rcu_barrier_sched(void);
 bool rcu_eqs_special_set(int cpu);
 unsigned long get_state_synchronize_rcu(void);
 void cond_synchronize_rcu(unsigned long oldstate);
-unsigned long get_state_synchronize_sched(void);
-void cond_synchronize_sched(unsigned long oldstate);
 
 void rcu_idle_enter(void);
 void rcu_idle_exit(void);