From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757904AbcIGSde (ORCPT ); Wed, 7 Sep 2016 14:33:34 -0400 Received: from mga04.intel.com ([192.55.52.120]:37099 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757052AbcIGSdb (ORCPT ); Wed, 7 Sep 2016 14:33:31 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.30,296,1470726000"; d="scan'208";a="1052721862" From: Alexander Shishkin To: Vince Weaver Cc: Ingo Molnar , Peter Zijlstra , Ingo Molnar , linux-kernel@vger.kernel.org, eranian@google.com, Arnaldo Carvalho de Melo , vincent.weaver@maine.edu Subject: Re: [PATCH v2 0/5] perf, bts: Fallout from the fuzzer for perf/urgent In-Reply-To: References: <20160906132353.19887-1-alexander.shishkin@linux.intel.com> <20160906171915.GA8963@gmail.com> <87mvjjka7u.fsf@ashishki-desk.ger.corp.intel.com> User-Agent: Notmuch/0.22.1 (http://notmuchmail.org) Emacs/24.5.1 (x86_64-pc-linux-gnu) Date: Wed, 07 Sep 2016 21:33:22 +0300 Message-ID: <87k2enk1al.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vince Weaver writes: > On Wed, 7 Sep 2016, Alexander Shishkin wrote: > >> Sure. And yes, I did catch a warning, which calls for one more patch >> (below). Also one unrelated thing in PEBS that Peter fixed. > > Does that fix this which I just got on my skylake machine (4.8-rc5 with > your other 5 patches applied) > > [ 5351.822559] WARNING: CPU: 3 PID: 19191 at arch/x86/events/intel/bts.c:344 event_function+0xa1/0x160 Yes, it fixes a problem that triggered this warning. Can't tell from the absence of backtrace what's going on here, though. Regards, -- Alex