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-rw-r--r--Documentation/kbuild/kbuild.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kbuild/kbuild.txt b/Documentation/kbuild/kbuild.txt
index 51771847e81..923f9ddee8f 100644
--- a/Documentation/kbuild/kbuild.txt
+++ b/Documentation/kbuild/kbuild.txt
@@ -124,3 +124,10 @@ KBUILD_EXTRA_SYMBOLS
--------------------------------------------------
For modules use symbols from another modules.
See more details in modules.txt.
+
+ALLSOURCE_ARCHS
+--------------------------------------------------
+For tags/TAGS/cscope targets, you can specify more than one archs
+to be included in the databases, separated by blankspace. e.g.
+
+ $ make ALLSOURCE_ARCHS="x86 mips arm" tags