These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / include / linux / rcutiny.h

diff --git a/kernel/include/linux/rcutiny.h b/kernel/include/linux/rcutiny.h
index 937edae..4c1aaf9 100644 (file)
--- a/kernel/include/linux/rcutiny.h
+++ b/kernel/include/linux/rcutiny.h
@@ -37,6 +37,16 @@ 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();
+}
+
 static inline void rcu_barrier_bh(void)
 {
        wait_rcu_gp(call_rcu_bh);
@@ -73,7 +83,7 @@ static inline void synchronize_sched_expedited(void)
 }
 
 static inline void kfree_call_rcu(struct rcu_head *head,
-                                 void (*func)(struct rcu_head *rcu))
+                                 rcu_callback_t func)
 {
        call_rcu(head, func);
 }
@@ -159,6 +169,22 @@ static inline void rcu_cpu_stall_reset(void)
 {
 }
 
+static inline void rcu_idle_enter(void)
+{
+}
+
+static inline void rcu_idle_exit(void)
+{
+}
+
+static inline void rcu_irq_enter(void)
+{
+}
+
+static inline void rcu_irq_exit(void)
+{
+}
+
 static inline void exit_rcu(void)
 {
 }
@@ -190,6 +216,7 @@ static inline bool rcu_is_watching(void)
 
 static inline void rcu_all_qs(void)
 {
+       barrier(); /* Avoid RCU read-side critical sections leaking across. */
 }
 
 #endif /* __LINUX_RCUTINY_H */