1 files changed, 69 insertions, 0 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
new file mode 100644
index 00000000..b93cb8e3
--- /dev/null
+++ b/include/linux/srcu.h
@@ -0,0 +1,69 @@
+#ifndef __TOOLS_LINUX_SRCU_H
+#define __TOOLS_LINUX_SRCU_H
+
+#include <linux/rcupdate.h>
+
+#define NUM_ACTIVE_RCU_POLL_OLDSTATE	2
+
+typedef void (*rcu_callback_t)(struct rcu_head *head);
+
+struct srcu_struct {
+};
+
+static inline void srcu_read_unlock(struct srcu_struct *ssp, int idx) {}
+
+static inline int srcu_read_lock(struct srcu_struct *ssp)
+{
+	return 0;
+}
+
+static inline bool poll_state_synchronize_srcu(struct srcu_struct *ssp, unsigned long cookie)
+{
+	return true;
+}
+
+static inline unsigned long start_poll_synchronize_srcu(struct srcu_struct *ssp)
+{
+	return 0;
+}
+
+static inline unsigned long get_state_synchronize_srcu(struct srcu_struct *ssp)
+{
+	return 0;
+}
+
+#undef poll_state_synchronize_rcu
+static inline bool poll_state_synchronize_rcu(unsigned long cookie)
+{
+	return false;
+}
+
+#undef start_poll_synchronize_rcu
+static inline unsigned long start_poll_synchronize_rcu()
+{
+	return 0;
+}
+
+static inline unsigned long get_state_synchronize_rcu()
+{
+	return 0;
+}
+
+static inline void synchronize_srcu_expedited(struct srcu_struct *ssp) {}
+
+static inline void srcu_barrier(struct srcu_struct *ssp) {}
+
+static inline void cleanup_srcu_struct(struct srcu_struct *ssp) {}
+
+static inline void call_srcu(struct srcu_struct *ssp, struct rcu_head *rhp,
+			     rcu_callback_t func)
+{
+	call_rcu(rhp, func);
+}
+
+static inline int init_srcu_struct(struct srcu_struct *ssp)
+{
+	return 0;
+}
+
+#endif /* __TOOLS_LINUX_SRCU_H */