Commit a3df1526 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

modpost: disallow the combination of EXPORT_SYMBOL and __meminit* 



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: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent 48cd8df7

scripts/mod/modpost.c

+1 −1
Original line number Diff line number Diff line
@@ -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)))