From 9504bbe91efc163e4c46496ae790da60353b23b4 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 21 May 2020 13:31:17 +0900 Subject: [PATCH] kbuild: doc: remove documentation about copying Module.symvers around This is a left-over of commit 39808e451fdf ("kbuild: do not read $(KBUILD_EXTMOD)/Module.symvers"). Kbuild no longer supports this way. Signed-off-by: Masahiro Yamada --- Documentation/kbuild/modules.rst | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/Documentation/kbuild/modules.rst b/Documentation/kbuild/modules.rst index e0b45a257f21..a45cccff467d 100644 --- a/Documentation/kbuild/modules.rst +++ b/Documentation/kbuild/modules.rst @@ -528,18 +528,6 @@ build. will then do the expected and compile both modules with full knowledge of symbols from either module. - Use an extra Module.symvers file - When an external module is built, a Module.symvers file - is generated containing all exported symbols which are - not defined in the kernel. To get access to symbols - from bar.ko, copy the Module.symvers file from the - compilation of bar.ko to the directory where foo.ko is - built. During the module build, kbuild will read the - Module.symvers file in the directory of the external - module, and when the build is finished, a new - Module.symvers file is created containing the sum of - all symbols defined and not part of the kernel. - Use "make" variable KBUILD_EXTRA_SYMBOLS If it is impractical to add a top-level kbuild file, you can assign a space separated list