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| author | Alexandre Chartre <alexandre.chartre@oracle.com> | 2020-04-07 10:31:35 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-04-30 21:14:32 +0300 |
| commit | c721b3f80faebc7891211fa82de303eebadfed15 (patch) | |
| tree | 0f1258e019372fb4577b689010ed19592e1b3892 /tools/perf/scripts/python/stackcollapse.py | |
| parent | 87cf61fe848ca8ddf091548671e168f52e8a718e (diff) | |
| download | linux-c721b3f80faebc7891211fa82de303eebadfed15.tar.xz | |
objtool: UNWIND_HINT_RET_OFFSET should not check registers
UNWIND_HINT_RET_OFFSET will adjust a modified stack. However if a
callee-saved register was pushed on the stack then the stack frame
will still appear modified. So stop checking registers when
UNWIND_HINT_RET_OFFSET is used.
Signed-off-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20200407073142.20659-3-alexandre.chartre@oracle.com
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions