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-rw-r--r--Documentation/kbuild/kbuild.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kbuild/kbuild.rst b/Documentation/kbuild/kbuild.rst
index 08f575e6236c..5202186728b4 100644
--- a/Documentation/kbuild/kbuild.rst
+++ b/Documentation/kbuild/kbuild.rst
@@ -278,6 +278,13 @@ To get all available archs you can also specify all. E.g.::
$ make ALLSOURCE_ARCHS=all tags
+IGNORE_DIRS
+-----------
+For tags/TAGS/cscope targets, you can choose which directories won't
+be included in the databases, separated by blank space. E.g.::
+
+ $ make IGNORE_DIRS="drivers/gpu/drm/radeon tools" cscope
+
KBUILD_BUILD_TIMESTAMP
----------------------
Setting this to a date string overrides the timestamp used in the