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-rw-r--r--Documentation/kbuild/kconfig-language.txt3
-rw-r--r--Documentation/kbuild/makefiles.txt7
2 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index b472e4e0ba67..2fe93ca7c77c 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -322,7 +322,8 @@ mainmenu:
"mainmenu" <prompt>
This sets the config program's title bar if the config program chooses
-to use it.
+to use it. It should be placed at the top of the configuration, before any
+other statement.
Kconfig hints
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index c787ae512120..0ef00bd6e54d 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -776,6 +776,13 @@ This will delete the directory debian, including all subdirectories.
Kbuild will assume the directories to be in the same relative path as the
Makefile if no absolute path is specified (path does not start with '/').
+To exclude certain files from make clean, use the $(no-clean-files) variable.
+This is only a special case used in the top level Kbuild file:
+
+ Example:
+ #Kbuild
+ no-clean-files := $(bounds-file) $(offsets-file)
+
Usually kbuild descends down in subdirectories due to "obj-* := dir/",
but in the architecture makefiles where the kbuild infrastructure
is not sufficient this sometimes needs to be explicit.