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authorAdrian Hunter <adrian.hunter@intel.com>2017-05-26 11:17:09 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-06-21 17:35:47 +0300
commit6a558f12dbe85437acbdec5e149ea07b5554eced (patch)
tree88eb1aa89c1a27f4c9c4112086e76f8467af98ca
parent622b7a47b843c78626f40c1d1aeef8483383fba2 (diff)
downloadlinux-6a558f12dbe85437acbdec5e149ea07b5554eced.tar.xz
perf intel-pt: Clear FUP flag on error
Sometimes a FUP packet is associated with a TSX transaction and a flag is set to indicate that. Ensure that flag is cleared on any error condition because at that point the decoder can no longer assume it is correct. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1495786658-18063-9-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 923c60efda26..a97710162e07 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1962,6 +1962,8 @@ static int intel_pt_sync_ip(struct intel_pt_decoder *decoder)
{
int err;
+ decoder->set_fup_tx_flags = false;
+
intel_pt_log("Scanning for full IP\n");
err = intel_pt_walk_to_ip(decoder);
if (err)