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modpost: disallow the combination of EXPORT_SYMBOL and __meminit*

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Theoretically, we could export conditionally-discarded code sections,
such as .meminit*, if all the users can become modular under a certain
condition. However, that would be difficult to control and such a tricky
case has never occurred.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2023-10-23 02:06:10 +09:00
parent 48cd8df7af
commit a3df1526da
1 changed files with 1 additions and 1 deletions
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2
scripts/mod/modpost.c
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@ -1164,7 +1164,7 @@ static void check_export_symbol(struct module *mod, struct elf_info *elf,
ELF_ST_TYPE(sym->st_info) == STT_LOPROC)
s->is_func = true;
if (match(secname, PATTERNS(INIT_SECTIONS)))
if (match(secname, PATTERNS(ALL_INIT_SECTIONS)))
warn("%s: %s: EXPORT_SYMBOL used for init symbol. Remove __init or EXPORT_SYMBOL.\n",
mod->name, name);
else if (match(secname, PATTERNS(ALL_EXIT_SECTIONS)))