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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 70BCEC433E7 for ; Wed, 14 Oct 2020 10:39:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0BF79208B3 for ; Wed, 14 Oct 2020 10:39:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728218AbgJNKje (ORCPT ); Wed, 14 Oct 2020 06:39:34 -0400 Received: from mga18.intel.com ([134.134.136.126]:39285 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726201AbgJNKje (ORCPT ); Wed, 14 Oct 2020 06:39:34 -0400 IronPort-SDR: ZqlN3Z0KSCtJmSPnd56dL2iJcnMv1YpCIYas0NCAfzbZiYd+BQOk7j3p51j3ARxpNHUnQzhaOc x3+/zl22ZGyw== X-IronPort-AV: E=McAfee;i="6000,8403,9773"; a="153910086" X-IronPort-AV: E=Sophos;i="5.77,374,1596524400"; d="scan'208";a="153910086" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2020 03:39:33 -0700 IronPort-SDR: LgfrHCXrqq99qMtsGS8sO8KUou+dfwcJ2zCSqW0YXGTsQt180qYJhBOL1SwvSwmMzDDbCNTR5a Qz6yh4aSx51Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,374,1596524400"; d="scan'208";a="420800748" Received: from linux.intel.com ([10.54.29.200]) by fmsmga001.fm.intel.com with ESMTP; 14 Oct 2020 03:39:32 -0700 Received: from [10.249.230.73] (abudanko-mobl.ccr.corp.intel.com [10.249.230.73]) by linux.intel.com (Postfix) with ESMTP id 899BA580784; Wed, 14 Oct 2020 03:39:29 -0700 (PDT) Subject: Re: [PATCH v1 03/15] perf data: open data directory in read access mode To: Arnaldo Carvalho de Melo Cc: Andi Kleen , Jiri Olsa , Namhyung Kim , Alexander Shishkin , Adrian Hunter , Peter Zijlstra , Ingo Molnar , linux-kernel References: <810f3a69-0004-9dff-a911-b7ff97220ae0@linux.intel.com> <9ac7f12e-f5a4-dd91-a19a-bb7e5be27636@linux.intel.com> <20201012160339.GB466880@tassilo.jf.intel.com> <49bfe810-f1cc-b1c6-67d3-b0a746552fd6@linux.intel.com> <20201013162220.GK1063281@kernel.org> From: Alexey Budankov Organization: Intel Corp. Message-ID: <3120394e-833a-f96e-9133-c9b8ddd751b5@linux.intel.com> Date: Wed, 14 Oct 2020 13:39:28 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: <20201013162220.GK1063281@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13.10.2020 19:22, Arnaldo Carvalho de Melo wrote: > Em Mon, Oct 12, 2020 at 07:52:33PM +0300, Alexey Budankov escreveu: >> >> On 12.10.2020 19:03, Andi Kleen wrote: >>> On Mon, Oct 12, 2020 at 11:55:07AM +0300, Alexey Budankov wrote: >>>> >>>> Open files located at data directory in case of read access mode. >>> >>> Need some rationale. Is this a bug fix? Did the case not matter >>> before? >> >> This is not a bug fix. The case didn't matter before. > > In such cases can you please write a paragraph explaining why it didn't > matter before and now it is required? Sure. Will do. Already in v2. Alexei