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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 8AB10C10F27 for ; Tue, 10 Mar 2020 09:09:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 55B7920674 for ; Tue, 10 Mar 2020 09:09:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="fiRLl0lQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726655AbgCJJJJ (ORCPT ); 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