Re: [PATCH] kbuild: get lib-y objects back to static library

From: Masahiro Yamada
Date: Wed Aug 23 2023 - 21:45:55 EST


On Thu, Aug 24, 2023 at 10:05 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> Revert the following two commits:
>
> - 7273ad2b08f8 ("kbuild: link lib-y objects to vmlinux forcibly when CONFIG_MODULES=y")
> - 7f2084fa55e6 ("[kbuild] handle exports in lib-y objects reliably")
>
> Now, lib-y is back to static library again, and the link order is
> consistent w/wo CONFIG_MODULES.
>
> Since commit ddb5cdbafaaa ("kbuild: generate KSYMTAB entries by
> modpost"), .vmlinux.export.c contains references to exported symbols.
> If a symbol in a lib-y object is exported, that object is always linked
> even without any explicit user in vmlinux.
>
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> ---



I just recalled that presumably ARM code must be fixed beforehand.

https://lore.kernel.org/lkml/20230619143725.57967-1-masahiroy@xxxxxxxxxx/

$(mmu-y) is added to lib-y, but they cannot go into a static library.







--
Best Regards
Masahiro Yamada