[PATCH v6 12/16] objtool: Read special sections with alts only when specific options are selected
Sathvika Vasireddy
sv at linux.ibm.com
Tue Nov 15 04:57:50 AEDT 2022
Call add_special_section_alts() only when stackval or orc or uaccess or
noinstr options are passed to objtool.
Tested-by: Naveen N. Rao <naveen.n.rao at linux.vnet.ibm.com>
Reviewed-by: Naveen N. Rao <naveen.n.rao at linux.vnet.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy at csgroup.eu>
Acked-by: Josh Poimboeuf <jpoimboe at kernel.org>
Signed-off-by: Sathvika Vasireddy <sv at linux.ibm.com>
---
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 71cf4b4ba1da..752a6ffd5c4c 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2392,9 +2392,11 @@ 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)
--
2.31.1
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