Re: [PATCH] kbuild: doc: remove documentation about copying Module.symvers around
From: Masahiro Yamada <masahiroy@kernel.org>
Date: 2020-05-26 10:29:39
Also in:
linux-kbuild, lkml
On Thu, May 21, 2020 at 1:31 PM Masahiro Yamada [off-list ref] wrote:
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 <masahiroy@kernel.org>
---Applied to linux-kbuild.
quoted hunk ↗ jump to hunk
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 --2.25.1
-- Best Regards Masahiro Yamada