In preparation for klp-build livepatch module creation tooling,
suppress warnings for unresolved references to linker-generated
__start_* and __stop_* section bounds symbols.
These symbols are expected to be undefined when modpost runs, as they're
created later by the linker.
Cc: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
---
scripts/mod/modpost.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index be89921d60b6..84266a19b296 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -604,6 +604,11 @@ static int ignore_undef_symbol(struct elf_info *info, const char *symname)
strstarts(symname, "_savevr_") ||
strcmp(symname, ".TOC.") == 0)
return 1;
+
+ /* ignore linker-created section bounds variables */
+ if (strstarts(symname, "__start_") || strstarts(symname, "__stop_"))
+ return 1;
+
/* Do not ignore this symbol */
return 0;
}
--
2.49.0