Re: [PATCH 3/3] Revert "Kbuild, lto, workaround: Don't warn for initcall_reference in modpost"

From: Jiri Slaby
Date: Thu Aug 04 2022 - 02:48:08 EST


On 02. 08. 22, 20:04, Nick Desaulniers wrote:
On Sat, Jul 30, 2022 at 10:37 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:

This reverts commit 77ab21adae509c5540956729e2d03bc1a59bc82a.

That commit was 8 years old, and it said "This is a workaround".
If this is needed for GCC LTO, it should be added in a proper way.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>

Please don't forget to cc the author & reviewers for a patch when
submitting a revert.

+ Jiri in case a patch needs to be carried in any downstream trees for
re-application.

IMO we already got rid of -fno-toplevel-reorder (we have noreorder attribute now), so:

Acked-by: Jiri Slaby <jirislaby@xxxxxxxxxx>

Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

Thanks for letting me know.

scripts/mod/modpost.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index c6a055c0291e..a8ee27496da7 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1462,9 +1462,6 @@ static void default_mismatch_handler(const char *modname, struct elf_info *elf,
from = find_elf_symbol2(elf, r->r_offset, fromsec);
fromsym = sym_name(elf, from);

- if (strstarts(fromsym, "reference___initcall"))
- return;
-
tosec = sec_name(elf, get_secindex(elf, sym));
to = find_elf_symbol(elf, r->r_addend, sym);
tosym = sym_name(elf, to);
--
2.34.1





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