From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33184 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752163AbdGYTUJ (ORCPT ); Tue, 25 Jul 2017 15:20:09 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adrian Hunter , Andi Kleen , Arnaldo Carvalho de Melo Subject: [PATCH 4.4 17/83] perf intel-pt: Fix missing stack clear Date: Tue, 25 Jul 2017 12:18:41 -0700 Message-Id: <20170725191711.011552801@linuxfoundation.org> In-Reply-To: <20170725191708.449126292@linuxfoundation.org> References: <20170725191708.449126292@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Adrian Hunter 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 Cc: Andi Kleen Link: http://lkml.kernel.org/r/1495786658-18063-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Greg Kroah-Hartman --- 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 @@ -1898,6 +1898,7 @@ 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;