1 files changed, 14 insertions, 39 deletions

diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 8d9a0ea8f0b5..af65d1f36ddb 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -27,12 +27,6 @@
 
 #include <linux/ktime.h>
 
-struct rcu_dynticks;
-static inline int rcu_dynticks_snap(struct rcu_dynticks *rdtp)
-{
-	return 0;
-}
-
 /* Never flag non-existent other CPUs! */
 static inline bool rcu_eqs_special_set(int cpu) { return false; }
 
@@ -46,53 +40,28 @@ 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_bh(void);
-extern void rcu_barrier_sched(void);
+extern void rcu_barrier(void);
 
 static inline void synchronize_rcu_expedited(void)
 {
-	synchronize_sched();	/* Only one CPU, so pretty fast anyway!!! */
+	synchronize_rcu();
 }
 
-static inline void rcu_barrier(void)
+static inline void kfree_call_rcu(struct rcu_head *head, rcu_callback_t func)
 {
-	rcu_barrier_sched();  /* Only one CPU, so only one list of callbacks! */
-}
-
-static inline void synchronize_rcu_bh(void)
-{
-	synchronize_sched();
-}
-
-static inline void synchronize_rcu_bh_expedited(void)
-{
-	synchronize_sched();
+	call_rcu(head, func);
 }
 
-static inline void synchronize_sched_expedited(void)
-{
-	synchronize_sched();
-}
+void rcu_qs(void);
 
-static inline void kfree_call_rcu(struct rcu_head *head,
-				  rcu_callback_t func)
+static inline void rcu_softirq_qs(void)
 {
-	call_rcu(head, func);
+	rcu_qs();
 }
 
 #define rcu_note_context_switch(preempt) \
 	do { \
-		rcu_sched_qs(); \
+		rcu_qs(); \
 		rcu_tasks_qs(current); \
 	} while (0)
 
@@ -108,6 +77,7 @@ static inline int rcu_needs_cpu(u64 basemono, u64 *nextevt)
  */
 static inline void rcu_virt_note_context_switch(int cpu) { }
 static inline void rcu_cpu_stall_reset(void) { }
+static inline int rcu_jiffies_till_stall_check(void) { return 21 * HZ; }
 static inline void rcu_idle_enter(void) { }
 static inline void rcu_idle_exit(void) { }
 static inline void rcu_irq_enter(void) { }
@@ -115,6 +85,11 @@ static inline void rcu_irq_exit_irqson(void) { }
 static inline void rcu_irq_enter_irqson(void) { }
 static inline void rcu_irq_exit(void) { }
 static inline void exit_rcu(void) { }
+static inline bool rcu_preempt_need_deferred_qs(struct task_struct *t)
+{
+	return false;
+}
+static inline void rcu_preempt_deferred_qs(struct task_struct *t) { }
 #ifdef CONFIG_SRCU
 void rcu_scheduler_starting(void);
 #else /* #ifndef CONFIG_SRCU */