diff --git a/docs/relnotes-8.1.html b/docs/relnotes-8.1.html
index 4c4d48715f0..e8ce49c1df8 100644
--- a/docs/relnotes-8.1.html
+++ b/docs/relnotes-8.1.html
@@ -35,6 +35,8 @@ Note: some of the new features are only available with certain drivers.
 <li>GL_ARB_base_instance</li>
 <li>GL_ARB_blend_func_extended</li>
 <li>GL_ARB_debug_output</li>
+<li>GL_ARB_invalidate_subdate - Currently a "no-op" implementation.  This
+extension is always enabled in all drivers.</li>
 <li>GL_ARB_shader_bit_encoding</li>
 <li>GL_ARB_timer_query</li>
 <li>GL_ARB_transform_feedback3</li>
diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 7f3aa940a00..9e357cd09ec 100644
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -103,6 +103,7 @@ static const struct extension extension_table[] = {
    { "GL_ARB_half_float_pixel",                    o(ARB_half_float_pixel),                    GL,             2003 },
    { "GL_ARB_half_float_vertex",                   o(ARB_half_float_vertex),                   GL,             2008 },
    { "GL_ARB_instanced_arrays",                    o(ARB_instanced_arrays),                    GL,             2008 },
+   { "GL_ARB_invalidate_subdata",                  o(dummy_true),                              GL,             2012 },
    { "GL_ARB_map_buffer_range",                    o(ARB_map_buffer_range),                    GL,             2008 },
    { "GL_ARB_multisample",                         o(dummy_true),                              GLL,            1994 },
    { "GL_ARB_multitexture",                        o(dummy_true),                              GLL,            1998 },