update README for defer_rcu()

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>

diff --git a/README b/README
index 72e73de93f0244cb232f5c4dc7102c4c567db965..af0a9c2d3d50b13c8057f4eb65aeb7df8bea74bb 100644 (file)
--- a/README
+++ b/README
@@ -110,6 +110,8 @@ Usage of liburcu-defer
        * Requires that rcu_defer_barrier() must be called in library destructor
          if a library queues callbacks and is expected to be unloaded with
          dlclose().
+       * Its API is currently experimental. It may change in future library
+         releases.
 
 Being careful with signals