[RFC PATCH v3 06/12] objtool: Read special sections with alts only when specific options are selected
From: Sathvika Vasireddy <hidden>
Date: 2022-06-24 18:34:18
Also in:
lkml
Subsystem:
objtool, the rest · Maintainers:
Josh Poimboeuf, Peter Zijlstra, Linus Torvalds
This patch reads special sections which have alternate instructions, only when stackval or orc or uaccess or noinstr options are passed to objtool. Signed-off-by: Sathvika Vasireddy <redacted> --- tools/objtool/check.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 7f0dc504dd92..98e869721bc4 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c@@ -2261,9 +2261,11 @@ static int decode_sections(struct objtool_file *file) * Must be before add_jump_destinations(), which depends on 'func' * being set for alternatives, to enable proper sibling call detection. */ - ret = add_special_section_alts(file); - if (ret) - return ret; + if (opts.stackval || opts.orc || opts.uaccess || opts.noinstr) { + ret = add_special_section_alts(file); + if (ret) + return ret; + } ret = add_jump_destinations(file); if (ret)
--
2.25.1