The following commit has been merged into the objtool/core branch of tip:
Commit-ID: da837bd6f1994f780325649e8eee7d9b01c5ee4d
Gitweb: https://git.kernel.org/tip/da837bd6f1994f780325649e8eee7d9b01c5ee4d
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Mon, 23 Mar 2020 21:11:14 +01:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Wed, 22 Apr 2020 10:53:51 +02:00
objtool: Avoid iterating !text section symbols
validate_functions() iterates all sections their symbols; this is
pointless to do for !text sections as they won't have instructions
anyway.
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Reviewed-by: Miroslav Benes <mbenes@xxxxxxx>
Reviewed-by: Alexandre Chartre <alexandre.chartre@xxxxxxxxxx>
Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Link: https://lkml.kernel.org/r/20200416115119.346582716@xxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
tools/objtool/check.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 923652b..e201aa1 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2551,8 +2551,12 @@ static int validate_functions(struct objtool_file *file)
struct section *sec;
int warnings = 0;
- for_each_sec(file, sec)
+ for_each_sec(file, sec) {
+ if (!(sec->sh.sh_flags & SHF_EXECINSTR))
+ continue;
+
warnings += validate_section(file, sec);
+ }
return warnings;
}
|