From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 114CFC43603 for ; Wed, 11 Dec 2019 11:33:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D7BD620836 for ; Wed, 11 Dec 2019 11:33:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728888AbfLKLdW (ORCPT ); Wed, 11 Dec 2019 06:33:22 -0500 Received: from mga11.intel.com ([192.55.52.93]:14628 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727365AbfLKLdW (ORCPT ); Wed, 11 Dec 2019 06:33:22 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2019 03:33:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,301,1571727600"; d="scan'208";a="225491882" Received: from um.fi.intel.com (HELO um) ([10.237.72.57]) by orsmga002.jf.intel.com with ESMTP; 11 Dec 2019 03:33:18 -0800 From: Alexander Shishkin To: Peter Zijlstra Cc: Arnaldo Carvalho de Melo , Ingo Molnar , linux-kernel@vger.kernel.org, Jiri Olsa , alexander.shishkin@linux.intel.com Subject: Re: [PATCH 0/2] perf/x86/intel/bts: Small fixes In-Reply-To: <20191210174047.GQ2844@hirez.programming.kicks-ass.net> References: <20191205142853.28894-1-alexander.shishkin@linux.intel.com> <20191210174047.GQ2844@hirez.programming.kicks-ass.net> Date: Wed, 11 Dec 2019 13:33:17 +0200 Message-ID: <87eexbcd1e.fsf@ashishki-desk.ger.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Peter Zijlstra writes: > On Thu, Dec 05, 2019 at 05:28:51PM +0300, Alexander Shishkin wrote: >> Hi Peter and Ingo, >> >> Here are two small fixes that resulted from running perf_fuzzer on a !KPTI >> kernel. One is a misguided and unannotated warning and another is a sketchy >> use of page_private(). The choice between deleting the BTS driver and >> fixing it is not obvious, though. It may theoretically still have users. >> >> Alexander Shishkin (2): >> perf/x86/intel/bts: Remove a silly warning >> perf/x86/intel/bts: Fix the use of page_private() > > I'll squash the pair, that makes more sense to me. Thanks!