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=-17.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 99740C2B9F4 for ; Sat, 19 Jun 2021 12:01:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7196C6112D for ; Sat, 19 Jun 2021 12:01:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233962AbhFSMBX (ORCPT ); Sat, 19 Jun 2021 08:01:23 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:45306 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233887AbhFSMBV (ORCPT ); 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d=suse.com; s=susede1; t=1624103949; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9ygMKXtbKGIOms+b+DHupY+FQ90wkoRfU5+jmWw7lTo=; b=ePtYXYptgzm0L/ejYraZ+39iaFAv14JdyI7YlJmJI1t1WVx+NYLmxZqzrCHW9EbUxY6BLx fatoHja7RtzBhmFsyeXKXSVaa4CVNQFl30uRWbFLeUgefGNNR1pgIEYK7ro7SPxmTTxbdW iDLDEOlPGCedRvBPE+yURzz+TxbxAYM= Received: from director2.suse.de ([192.168.254.72]) by imap3-int with ESMTPSA id iGS2GQ3czWAAfQAALh3uQQ (envelope-from ); Sat, 19 Jun 2021 11:59:09 +0000 Subject: Re: [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option To: Kuppuswamy Sathyanarayanan , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Peter Zijlstra , Andy Lutomirski Cc: Peter H Anvin , Dave Hansen , Tony Luck , Dan Williams , Andi Kleen , Kirill Shutemov , Sean Christopherson , Kuppuswamy Sathyanarayanan , x86@kernel.org, linux-kernel@vger.kernel.org References: <20210618225755.662725-1-sathyanarayanan.kuppuswamy@linux.intel.com> <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com> From: Juergen Gross Message-ID: <57b35f69-54c7-1dd5-599b-4099d3a9a671@suse.com> Date: Sat, 19 Jun 2021 13:59:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="XMyekJod5hhiZmmsjsNqi7tgQ0ubVORqw" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --XMyekJod5hhiZmmsjsNqi7tgQ0ubVORqw Content-Type: multipart/mixed; boundary="XyYdaX6MCF4wfsL1bwUopQ9DyT5Wj4sKu"; protected-headers="v1" From: Juergen Gross To: Kuppuswamy Sathyanarayanan , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Peter Zijlstra , Andy Lutomirski Cc: Peter H Anvin , Dave Hansen , Tony Luck , Dan Williams , Andi Kleen , Kirill Shutemov , Sean Christopherson , Kuppuswamy Sathyanarayanan , x86@kernel.org, linux-kernel@vger.kernel.org Message-ID: <57b35f69-54c7-1dd5-599b-4099d3a9a671@suse.com> Subject: Re: [PATCH v3 02/11] x86/tdx: Introduce INTEL_TDX_GUEST config option References: <20210618225755.662725-1-sathyanarayanan.kuppuswamy@linux.intel.com> <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com> In-Reply-To: <20210618225755.662725-3-sathyanarayanan.kuppuswamy@linux.intel.com> --XyYdaX6MCF4wfsL1bwUopQ9DyT5Wj4sKu Content-Type: multipart/mixed; boundary="------------9FBA6AC4E7D1C535B3C8E9E3" Content-Language: en-US This is a multi-part message in MIME format. --------------9FBA6AC4E7D1C535B3C8E9E3 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 19.06.21 00:57, Kuppuswamy Sathyanarayanan wrote: > Add INTEL_TDX_GUEST config option to selectively compile > TDX guest support. >=20 > Signed-off-by: Kuppuswamy Sathyanarayanan > Reviewed-by: Andi Kleen > Reviewed-by: Tony Luck > --- > arch/x86/Kconfig | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) >=20 > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 0045e1b44190..ff79263aebd1 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -876,6 +876,21 @@ config ACRN_GUEST > IOT with small footprint and real-time features. More details can = be > found in https://projectacrn.org/. > =20 > +config INTEL_TDX_GUEST > + bool "Intel Trusted Domain eXtensions Guest Support" > + depends on X86_64 && CPU_SUP_INTEL && PARAVIRT > + depends on SECURITY > + select PARAVIRT_XL PARAVIRT_XL? Didn't you drop that? 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