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perf intel-pt: Fix decoding to accept CBR between FUP and corresponding TIP

commit bd2e49ec48 upstream.

It is possible to have a CBR packet between a FUP packet and
corresponding TIP packet. Stop treating it as an error.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1527762225-26024-3-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>
pull/10/head
Adrian Hunter 2018-05-31 13:23:43 +03:00 committed by Greg Kroah-Hartman
parent 9e9db211cf
commit e1587f178e
1 changed files with 4 additions and 1 deletions

View File

@ -1604,7 +1604,6 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
case INTEL_PT_PSB:
case INTEL_PT_TSC:
case INTEL_PT_TMA:
case INTEL_PT_CBR:
case INTEL_PT_MODE_TSX:
case INTEL_PT_BAD:
case INTEL_PT_PSBEND:
@ -1620,6 +1619,10 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder)
decoder->pkt_step = 0;
return -ENOENT;
case INTEL_PT_CBR:
intel_pt_calc_cbr(decoder);
break;
case INTEL_PT_OVF:
return intel_pt_overflow(decoder);