Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753394AbdGYUL5 (ORCPT ); Tue, 25 Jul 2017 16:11:57 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:35396 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752060AbdGYTXc (ORCPT ); Tue, 25 Jul 2017 15:23:32 -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 4.12 020/196] perf intel-pt: Fix missing stack clear Date: Tue, 25 Jul 2017 12:20:19 -0700 Message-Id: <20170725192047.238221379@linuxfoundation.org> X-Mailer: git-send-email 2.13.3 In-Reply-To: <20170725192046.422343510@linuxfoundation.org> References: <20170725192046.422343510@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1045 Lines: 32 4.12-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 @@ -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;