Received: by 2002:a25:e7d8:0:0:0:0:0 with SMTP id e207csp465768ybh; Tue, 10 Mar 2020 02:09:50 -0700 (PDT) X-Google-Smtp-Source: ADFU+vvcUQZoovhE087+0JTceW0QdDbOOOdaHrqYynSwayOwQRtvmuXQ/LS2qf1xjusJo7r7MfN2 X-Received: by 2002:a9d:73d1:: with SMTP id m17mr15993489otk.19.1583831390327; Tue, 10 Mar 2020 02:09:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1583831390; cv=none; d=google.com; s=arc-20160816; b=KDE7vIip3tosKA+0VVhpKgE0ckb7w+r0P4It3JCmNfsMMDgItco7qoB5KPmmupzQDf 2sMRQBUtdE6g8MdH9KPvgAbhRNJHtxZYU8wsR/q4eBGx1SWKKx63bJeHsnGZci9wckmb EnZQeZU3XFU/nqFgngneHhED+V4a0wG6iCWhRKRMMAYm8gGS3jZ+pVXnoxWeuOMZG6Fl PgABzcJo9xvNLjxT9d/imw65/NSHvX9B8lG24hCAztxzaXSSt7hLpKpnHmyfxfAQYUab ssadTzo8w10bU3TtdnnkLfnWy/w2HbW9ViqDHSKnsU7fXFP8lseRxg5WCm7wDbA2NjW/ BCnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature; bh=SR1NMyFy2J0Mm1Wny9URsw1cCDuET94HMMrVJkWGEfk=; b=rN27lNVRqv1QwPJneX7x15bAbDmUMuEjxNiNGHjANvpIv/xfOJ9fDGrdX3EbJCtmAl fExEnRmYa3eBvr0r79WJdtZXhvo+Hr3N5EJ64CLFhhNTyd2Qvyoul8mBWLUTUf09kpbh +yaFkLIDEVVKzEnsx8vh+2IiajodwXrYKCDLR6Ky2naMxqo8MnUTDJim2tIuEYnKgiAd VeEFHclU9zptSxjzCXtJKzf0fs9IoSZoAiz1WDtnEjuJFJmwVsExRd/CA/8xLSswevQX sqLujjefd6nsEvZs3N/hd/8nG+PYUQ6p5c4Spvgg/IOz3se+xyrkWJ4nc/3E62I6e0sX eGBw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@alien8.de header.s=dkim header.b=fiRLl0lQ; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id c23si7011023oto.22.2020.03.10.02.09.38; Tue, 10 Mar 2020 02:09:50 -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; dkim=pass header.i=@alien8.de header.s=dkim header.b=fiRLl0lQ; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alien8.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726633AbgCJJJJ (ORCPT + 99 others); Tue, 10 Mar 2020 05:09:09 -0400 Received: from mail.skyhub.de ([5.9.137.197]:55146 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726195AbgCJJJJ (ORCPT ); Tue, 10 Mar 2020 05:09:09 -0400 Received: from zn.tnic (p200300EC2F09B400A5B1E817268DA3C3.dip0.t-ipconnect.de [IPv6:2003:ec:2f09:b400:a5b1:e817:268d:a3c3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id D127A1EC0CAA; Tue, 10 Mar 2020 10:09:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1583831347; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=SR1NMyFy2J0Mm1Wny9URsw1cCDuET94HMMrVJkWGEfk=; b=fiRLl0lQoR8XIgODRA2GH7Frn7UgehjiVDZ/gsIderdbtvpqqEKLDWZdatVS38vdOkAU6E brD1xpMyj2Gs45dQ6DSyarxCADiM+Lx8s4G1DE1BM9JVtKdaosCtnasEwwBV8zLTnf/VQj qGmTlvnJsZoiC3LJjysXm8zOpwN8SOM= Date: Tue, 10 Mar 2020 10:09:17 +0100 From: Borislav Petkov To: Tony W Wang-oc Cc: "H. Peter Anvin" , tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, linux-kernel@vger.kernel.org, DavidWang@zhaoxin.com, CooperYan@zhaoxin.com, QiyuanWang@zhaoxin.com, HerryYang@zhaoxin.com, CobeChen@zhaoxin.com Subject: Re: [PATCH] x86/Kconfig: make X86_UMIP to cover any X86 CPU Message-ID: <20200310090917.GB29372@zn.tnic> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <621e255f-f497-a324-b004-4cb9b84784d0@zhaoxin.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette