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-rw-r--r--include/linux/rwsem.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index ab93b6eae696..b1e32373f44f 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -20,6 +20,10 @@
#include <linux/osq_lock.h>
#endif
+#ifdef CONFIG_PREEMPT_RT_FULL
+#include <linux/rwsem_rt.h>
+#else /* PREEMPT_RT_FULL */
+
struct rw_semaphore;
#ifdef CONFIG_RWSEM_GENERIC_SPINLOCK
@@ -114,6 +118,13 @@ static inline int rwsem_is_contended(struct rw_semaphore *sem)
return !list_empty(&sem->wait_list);
}
+#endif /* !PREEMPT_RT_FULL */
+
+/*
+ * The functions below are the same for all rwsem implementations including
+ * the RT specific variant.
+ */
+
/*
* lock for reading
*/