[pypy-commit] pypy default: add a warning

[antocuni]

Author: Antonio Cuni <anto.cuni at gmail.com>
Branch: 
Changeset: r55464:503851d6f414
Date: 2012-06-07 14:05 +0200
http://bitbucket.org/pypy/pypy/changeset/503851d6f414/

Log:	add a warning

diff --git a/pypy/doc/release-1.9.0.rst b/pypy/doc/release-1.9.0.rst
--- a/pypy/doc/release-1.9.0.rst
+++ b/pypy/doc/release-1.9.0.rst
@@ -75,7 +75,9 @@
 * It is now possible to create and manipulate C-like structures using the
   PyPy-only ``_ffi`` module.  The advantage over using e.g. ``ctypes`` is that
   ``_ffi`` is very JIT-friendly, and getting/setting of fields is translated
-  to few assembler instructions by the JIT.
+  to few assembler instructions by the JIT. However, this is mostly intended
+  as a low-level backend to be used by more user-friendly FFI packages, and
+  the API might change in the future. Use it at your own risk.
 
 * The non-x86 backends for the JIT are progressing but are still not
   merged (ARMv7 and PPC64).