Received: by 2002:a25:e7d8:0:0:0:0:0 with SMTP id e207csp516072ybh; Tue, 10 Mar 2020 03:11:31 -0700 (PDT) X-Google-Smtp-Source: ADFU+vu3NYJBIaLQXPDXVJW5fjtUSlnsquzKSJEO+EAzlK6yYqlHwPNjBbhdymGzk4Z1KcxB5btw X-Received: by 2002:aca:4986:: with SMTP id w128mr551434oia.46.1583835091226; Tue, 10 Mar 2020 03:11:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1583835091; cv=none; d=google.com; s=arc-20160816; b=f1kQjVMPIhySU39UfFkP4o0R9lgixAtzDgEBLZKSj5eoHlIWVi+eDwJR9477q6uoql WIVvR9l4Ll/QGfNpZJeod5dBQosxvqjGZQnCnDO7OCrNfsls1brKCWEsf4+nagCtC/Ej k3LIWguz7oUx4hQE7582FEUc5doMPzkQryHaEo4SVO63ezz3CuhA96YBrfPdTFBs2b0a Io/N6EE07DhrBXG9gdU4KJn7LM2SffzUapir8wlbRvSngI8nuuLNH9pdCPii6uesHXhf evr/EE7olyVzhiBzGVZfGIIWUU2cdkS54CHSvHP6omUAStQ1f1fxr8QweU1o1JJHMVVV 0vVQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=O3G1qqb9KyGFLz46hOMoTr+6b38xapcWEdEZlctjTa4=; b=WwJ/3BkzTiQ6P+pQYLHXdzPN4Twa6mDTk7nnNIw+mJKqC+jPMGl3yAL5InWSaB2KOB hJ4PgNzY3yOvKl+a+cS4rW/yw0ip+4fOcWWPx7y5FfRX7Y6X8W5S5aX4feV3e3fu0Kqt BlpsnSIn/ep8PRIpVWrZsV79zq2jRII0hdD+KwU9M9thgBGM6QjtCmVZaFUqUMxJE9Ab o9iw71ssut3ul3uaRY2azuzydaCRVBTtugNhCpEogfH98Q2uJ36k4OsckKaEYbF3tllI dTBEoOGuqICcfSJGNnYhVqwhlpXEV+lojhwL/+aB1SCcSUwHvNcSkJlYIHBA+iVkl1Ga IhKQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 9si5521084oiq.104.2020.03.10.03.11.19; Tue, 10 Mar 2020 03:11:31 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726269AbgCJKKV (ORCPT + 99 others); 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