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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 1821CC10F03 for ; Thu, 25 Apr 2019 10:42:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DD398206BA for ; Thu, 25 Apr 2019 10:42:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730479AbfDYKmI (ORCPT ); Thu, 25 Apr 2019 06:42:08 -0400 Received: from mga03.intel.com ([134.134.136.65]:56407 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726040AbfDYKmI (ORCPT ); Thu, 25 Apr 2019 06:42:08 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Apr 2019 03:42:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,393,1549958400"; d="scan'208";a="138712931" Received: from cli6-desk1.ccr.corp.intel.com (HELO [10.239.161.118]) ([10.239.161.118]) by orsmga006.jf.intel.com with ESMTP; 25 Apr 2019 03:42:05 -0700 Subject: Re: [PATCH v17 1/3] proc: add /proc//arch_status To: "Enrico Weigelt, metux IT consult" , Thomas Gleixner Cc: mingo@redhat.com, peterz@infradead.org, hpa@zytor.com, ak@linux.intel.com, tim.c.chen@linux.intel.com, dave.hansen@intel.com, arjan@linux.intel.com, adobriyan@gmail.com, akpm@linux-foundation.org, aubrey.li@intel.com, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Lutomirski References: <20190421183529.9141-1-aubrey.li@linux.intel.com> <6a9e6bd9-8e1a-9fe5-135d-c7a49697b5a4@metux.net> From: "Li, Aubrey" Message-ID: <4456cc68-5120-e820-90ed-cb5b5dfcd760@linux.intel.com> Date: Thu, 25 Apr 2019 18:42:04 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <6a9e6bd9-8e1a-9fe5-135d-c7a49697b5a4@metux.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/4/25 18:11, Enrico Weigelt, metux IT consult wrote: > On 25.04.19 03:50, Li, Aubrey wrote: > >>>> +>>> +config PROC_PID_ARCH_STATUS>>> + bool "Enable > /proc//arch_status file">>>> Why is this switchable? x86 selects it > if PROC_FS is enabled and all other>> architectures are absolutely not > interested in this.> > Above and this, I was trying to avoid an empty > arch_file on other architectures.> In previous proposal the entry only > exists on the platform with AVX512. > Why not making it depend on those archs that actually support it ? Yep, I'll make it disabled by default and not switchable and let arch select it.