| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.12 018/196] perf intel-pt: Move decoder error setting into one condition | Date | Tue, 25 Jul 2017 12:20:17 -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 22c06892332d8916115525145b78e606e9cc6492 upstream.
Move decoder error setting into one condition.
Cc'ed to stable because later fixes depend on it.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/1495786658-18063-2-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 | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -2130,15 +2130,18 @@ const struct intel_pt_state *intel_pt_de } } while (err == -ENOLINK); - decoder->state.err = err ? intel_pt_ext_err(err) : 0; + if (err) { + decoder->state.err = intel_pt_ext_err(err); + decoder->state.from_ip = decoder->ip; + } else { + decoder->state.err = 0; + } + decoder->state.timestamp = decoder->timestamp; decoder->state.est_timestamp = intel_pt_est_timestamp(decoder); decoder->state.cr3 = decoder->cr3; decoder->state.tot_insn_cnt = decoder->tot_insn_cnt; - if (err) - decoder->state.from_ip = decoder->ip; - return &decoder->state; }
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