[PATCH 11/14] objtool: Allow empty alternatives
From: Josh Poimboeuf
Date: Wed Mar 04 2026 - 22:36:55 EST
arm64 can have empty alternatives, which are effectively no-ops. Ignore
them.
Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
---
tools/objtool/check.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 23cde2de66b9..036adbd67488 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -1994,10 +1994,8 @@ static int add_special_section_alts(struct objtool_file *file)
}
if (special_alt->group) {
- if (!special_alt->orig_len) {
- ERROR_INSN(orig_insn, "empty alternative entry");
+ if (!special_alt->orig_len)
continue;
- }
if (handle_group_alt(file, special_alt, orig_insn, &new_insn))
return -1;
--
2.53.0