Messages in this thread | | | From | Sami Tolvanen <> | Date | Tue, 16 May 2023 07:51:29 -0700 | Subject | Re: [PATCH v5 21/21] kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion |
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On Mon, May 15, 2023 at 7:16 PM Masahiro Yamada <masahiroy@kernel.org> wrote: > > On Tue, May 16, 2023 at 7:54 AM Sami Tolvanen <samitolvanen@google.com> wrote: > > A while ago there > > was a suggestion of adding an option to LLD that allows one to pass a > > list of symbols to preserve in relocatable LTO links, which would > > allow us to better optimize vmlinux.o. However, I haven't had a chance > > to look into this deeper than this proof of concept: > > > > https://reviews.llvm.org/D142163 > > > Interesting. > > But, scripts/generate_initcall_order.pl is still needed, right? > > --lto-export-symbol-list is a list of symbols, > but it does not specify the correct order?
Correct, the patch doesn't take the order of the list into account.
Sami
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