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objtool: Avoid iterating !text section symbols

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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@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20200416115119.346582716@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2020-03-23 21:11:14 +01:00 committed by Ingo Molnar
parent 6804c1afd7
commit da837bd6f1
1 changed files with 5 additions and 1 deletions
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6
tools/objtool/check.c
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@ -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;
}