[PATCH v2] kbuild: preprocess module linker script

Jessica Yu jeyu at kernel.org
Sat Sep 19 06:26:01 EDT 2020


+++ Masahiro Yamada [08/09/20 13:27 +0900]:
>There was a request to preprocess the module linker script like we
>do for the vmlinux one. (https://lkml.org/lkml/2020/8/21/512)
>
>The difference between vmlinux.lds and module.lds is that the latter
>is needed for external module builds, thus must be cleaned up by
>'make mrproper' instead of 'make clean'. Also, it must be created
>by 'make modules_prepare'.
>
>You cannot put it in arch/$(SRCARCH)/kernel/, which is cleaned up by
>'make clean'. I moved arch/$(SRCARCH)/kernel/module.lds to
>arch/$(SRCARCH)/include/asm/module.lds.h, which is included from
>scripts/module.lds.S.
>
>scripts/module.lds is fine because 'make clean' keeps all the
>build artifacts under scripts/.
>
>You can add arch-specific sections in <asm/module.lds.h>.
>
>Signed-off-by: Masahiro Yamada <masahiroy at kernel.org>
>Tested-by: Jessica Yu <jeyu at kernel.org>
>Acked-by: Will Deacon <will at kernel.org>

Acked-by: Jessica Yu <jeyu at kernel.org>

Thanks for working on this! 




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