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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 03F10C10F27 for ; Tue, 10 Mar 2020 10:10:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C1C4924681 for ; Tue, 10 Mar 2020 10:10:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726316AbgCJKKV (ORCPT ); Tue, 10 Mar 2020 06:10:21 -0400 Received: from ZXSHCAS1.zhaoxin.com ([203.148.12.81]:29208 "EHLO ZXSHCAS1.zhaoxin.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726199AbgCJKKV (ORCPT ); Tue, 10 Mar 2020 06:10:21 -0400 Received: from zxbjmbx1.zhaoxin.com (10.29.252.163) by ZXSHCAS1.zhaoxin.com (10.28.252.161) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1261.35; Tue, 10 Mar 2020 18:10:18 +0800 Received: from [10.32.64.44] (10.32.64.44) by zxbjmbx1.zhaoxin.com (10.29.252.163) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1261.35; Tue, 10 Mar 2020 18:10:16 +0800 Subject: Re: [PATCH] x86/Kconfig: make X86_UMIP to cover any X86 CPU To: Borislav Petkov CC: "H. Peter Anvin" , , , , , , , , , References: <1583733990-2587-1-git-send-email-TonyWWang-oc@zhaoxin.com> <20200309203632.GB9002@zn.tnic> <79c4bc05-0482-3ce7-0f93-544977e466dc@zytor.com> <621e255f-f497-a324-b004-4cb9b84784d0@zhaoxin.com> <20200310090917.GB29372@zn.tnic> From: Tony W Wang-oc Message-ID: <541d167b-c193-538f-fa11-ee2e5681e566@zhaoxin.com> Date: Tue, 10 Mar 2020 18:09:40 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20200310090917.GB29372@zn.tnic> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.32.64.44] X-ClientProxiedBy: ZXSHCAS1.zhaoxin.com (10.28.252.161) To zxbjmbx1.zhaoxin.com (10.29.252.163) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/03/2020 17:09, Borislav Petkov wrote: > On Tue, Mar 10, 2020 at 03:24:37PM +0800, Tony W Wang-oc wrote: >> Moreover, if remove the X86_UMIP config, a kernel-parameter like >> "noumip" may be needed? > > Not the same thing. Also, why would one need it? If one did, one would > need it now too. > Yes, you are right, thank you point this. Let us focus on X86_UMIP config. Sincerely TonyWWang-oc