Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE685C433F5 for ; Wed, 1 Dec 2021 16:34:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351160AbhLAQiC (ORCPT ); Wed, 1 Dec 2021 11:38:02 -0500 Received: from mga14.intel.com ([192.55.52.115]:24635 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237826AbhLAQhv (ORCPT ); Wed, 1 Dec 2021 11:37:51 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10185"; a="236720789" X-IronPort-AV: E=Sophos;i="5.87,279,1631602800"; d="scan'208";a="236720789" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2021 08:34:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,279,1631602800"; d="scan'208";a="654838648" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 01 Dec 2021 08:34:25 -0800 Received: by black.fi.intel.com (Postfix, from userid 1000) id 01D8F1C4; Wed, 1 Dec 2021 18:34:30 +0200 (EET) Date: Wed, 1 Dec 2021 19:34:30 +0300 From: "Kirill A. Shutemov" To: Tom Lendacky , Joerg Roedel , Kuppuswamy Sathyanarayanan Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, Andy Lutomirski , Peter Zijlstra , "H . Peter Anvin" , Tony Luck , Dan Williams , Andi Kleen , Kuppuswamy Sathyanarayanan , linux-kernel@vger.kernel.org Subject: Re: [PATCH v1 0/4] Share common features between AMD SEV / TDX guest Message-ID: <20211201163430.2ncgynzns5t6gvof@black.fi.intel.com> References: <20211116004528.2928887-1-sathyanarayanan.kuppuswamy@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211116004528.2928887-1-sathyanarayanan.kuppuswamy@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 15, 2021 at 04:45:24PM -0800, Kuppuswamy Sathyanarayanan wrote: > Hi All, > > Intel's Trust Domain Extensions (TDX) protect guest VMs from malicious > hosts and some physical attacks. TDX has a lot of similarities to AMD SEV. > Features like encryption/decryption and string I/O unroll support can > be shared between these two technologies. > > This patch set adds infrastructure changes required to share the code > between AMD SEV and TDX. Tom, Joerg, could you folks look at this? Your Ack would be very helpful. -- Kirill A. Shutemov