From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59112 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755184AbdGVNVm (ORCPT ); Sat, 22 Jul 2017 09:21:42 -0400 Subject: Patch "perf intel-pt: Clear FUP flag on error" has been added to the 4.4-stable tree To: adrian.hunter@intel.com, acme@redhat.com, ak@linux.intel.com, gregkh@linuxfoundation.org Cc: , From: Date: Sat, 22 Jul 2017 15:09:02 +0200 Message-ID: <1500728942225122@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled perf intel-pt: Clear FUP flag on error to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: perf-intel-pt-clear-fup-flag-on-error.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 6a558f12dbe85437acbdec5e149ea07b5554eced Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Fri, 26 May 2017 11:17:09 +0300 Subject: perf intel-pt: Clear FUP flag on error From: Adrian Hunter commit 6a558f12dbe85437acbdec5e149ea07b5554eced upstream. 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 Cc: Andi Kleen Link: http://lkml.kernel.org/r/1495786658-18063-9-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 | 2 ++ 1 file changed, 2 insertions(+) --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1924,6 +1924,8 @@ static int intel_pt_sync_ip(struct intel { 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) Patches currently in stable-queue which might be from adrian.hunter@intel.com are queue-4.4/perf-intel-pt-ensure-ip-is-zero-when-state-is-intel_pt_state_no_ip.patch queue-4.4/perf-intel-pt-move-decoder-error-setting-into-one-condition.patch queue-4.4/perf-intel-pt-clear-fup-flag-on-error.patch queue-4.4/perf-intel-pt-improve-sample-timestamp.patch queue-4.4/perf-intel-pt-fix-missing-stack-clear.patch