| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.12 020/196] perf intel-pt: Fix missing stack clear | Date | Tue, 25 Jul 2017 12:20:19 -0700 |
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4.12-stable review patch. If anyone has any objections, please let me know.
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From: Adrian Hunter <adrian.hunter@intel.com>
commit 12b7080609097753fd8198cc1daf589be3ec1cca upstream.
The return compression stack must be cleared whenever there is a PSB. Fix one case where that was not happening.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1495786658-18063-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 1 + 1 file changed, 1 insertion(+)
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1932,6 +1932,7 @@ static int intel_pt_walk_to_ip(struct in break; case INTEL_PT_PSB: + intel_pt_clear_stack(&decoder->stack); err = intel_pt_walk_psb(decoder); if (err) return err;
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