stack: allow lock-free only on relevant architectures

[dpdk.git] / doc / guides / rel_notes / release_21_05.rst

diff --git a/doc/guides/rel_notes/release_21_05.rst b/doc/guides/rel_notes/release_21_05.rst
index b3224dc..cd33898 100644 (file)
--- a/doc/guides/rel_notes/release_21_05.rst
+++ b/doc/guides/rel_notes/release_21_05.rst
@@ -329,6 +329,10 @@ API Changes
   ``policer_action_recolor_supported`` and ``policer_action_drop_supported``
   have been removed.
 
+* stack: Lock-free ``rte_stack`` no longer silently ignores push and pop when
+  it's not supported on the current platform. Instead ``rte_stack_create()``
+  fails and ``rte_errno`` is set to ``ENOTSUP``.
+
 
 ABI Changes
 -----------