diff -Naur -X dontdiff linux-2.5.23-clean/init/Config.help linux-2.5.23-testonly/init/Config.help
--- linux-2.5.23-clean/init/Config.help	Wed Jun 19 12:11:47 2002
+++ linux-2.5.23-testonly/init/Config.help	Thu Jun 20 22:49:21 2002
@@ -27,6 +27,21 @@
   you say Y here, you will be offered the choice of using features or
   drivers that are currently considered to be in the alpha-test phase.
 
+CONFIG_TESTONLY
+  The kernel has certain options that are intended only for testing
+  and should never be enabled on production systems. These options
+  may intentionally cause failures and prevent proper operation of
+  your system.
+
+  If you are trying to perform particular testing of the system, then
+  you need to enable this option, and whatever specific tests you
+  are interested in. Note that this option doesn't actually enable
+  any of the test-only features, it simply protects you from seeing
+  them in subsequent configuration questions.
+
+  You should say N, unless you understand absolutely everything
+  this might affect.
+
 CONFIG_NET
   Unless you really know what you are doing, you should say Y here.
   The reason is that some programs need kernel networking support even
diff -Naur -X dontdiff linux-2.5.23-clean/init/Config.in linux-2.5.23-testonly/init/Config.in
--- linux-2.5.23-clean/init/Config.in	Wed Jun 19 12:11:48 2002
+++ linux-2.5.23-testonly/init/Config.in	Thu Jun 20 23:12:30 2002
@@ -1,6 +1,7 @@
 mainmenu_option next_comment
 comment 'Code maturity level options'
 bool 'Prompt for development and/or incomplete code/drivers' CONFIG_EXPERIMENTAL
+bool 'Prompt for options that are intended only for testing' CONFIG_TESTONLY
 endmenu
 
 mainmenu_option next_comment