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=-7.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 460E0C4338F for ; Thu, 19 Aug 2021 19:57:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2BDE260462 for ; Thu, 19 Aug 2021 19:57:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234642AbhHST6b (ORCPT ); Thu, 19 Aug 2021 15:58:31 -0400 Received: from mga14.intel.com ([192.55.52.115]:65242 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233995AbhHST62 (ORCPT ); Thu, 19 Aug 2021 15:58:28 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10081"; a="216366474" X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="216366474" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:52 -0700 X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="532641597" Received: from kfrangia-mobl1.amr.corp.intel.com (HELO skuppusw-mobl5.amr.corp.intel.com) ([10.212.58.216]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:50 -0700 Subject: Re: [PATCH v2 03/12] x86/sev: Add an x86 version of prot_guest_has() To: Tom Lendacky , Christoph Hellwig Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, iommu@lists.linux-foundation.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-graphics-maintainer@vmware.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, Borislav Petkov , Brijesh Singh , Joerg Roedel , Andi Kleen , Tianyu Lan , Thomas Gleixner , Ingo Molnar , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Joerg Roedel References: <7d55bac0cf2e73f53816bce3a3097877ed9663f3.1628873970.git.thomas.lendacky@amd.com> <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> From: "Kuppuswamy, Sathyanarayanan" Message-ID: <90316f17-e853-fd23-2ec2-4d03cf283b0b@linux.intel.com> Date: Thu, 19 Aug 2021 12:57:48 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/19/21 11:33 AM, Tom Lendacky wrote: > There was some talk about this on the mailing list where TDX and SEV may > need to be differentiated, so we wanted to reserve a range of values per > technology. I guess I can remove them until they are actually needed. In TDX also we have similar requirements and we need some flags for TDX specific checks. So I think it is fine to leave some space for vendor flags. -- Sathyanarayanan Kuppuswamy Linux Kernel Developer 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=-7.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 24324C4320A for ; Thu, 19 Aug 2021 19:58:00 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A8B9E610F9 for ; Thu, 19 Aug 2021 19:57:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A8B9E610F9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 7524942545; Thu, 19 Aug 2021 19:57:59 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id EzWid74G9DYx; Thu, 19 Aug 2021 19:57:55 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id 4970140439; Thu, 19 Aug 2021 19:57:55 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2D953C0010; Thu, 19 Aug 2021 19:57:55 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 7F6FEC000E for ; Thu, 19 Aug 2021 19:57:54 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 67CB1613A3 for ; Thu, 19 Aug 2021 19:57:54 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id loowBhf5Wq0l for ; Thu, 19 Aug 2021 19:57:53 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by smtp3.osuosl.org (Postfix) with ESMTPS id D063760639 for ; Thu, 19 Aug 2021 19:57:53 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10081"; a="277656323" X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="277656323" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:52 -0700 X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="532641597" Received: from kfrangia-mobl1.amr.corp.intel.com (HELO skuppusw-mobl5.amr.corp.intel.com) ([10.212.58.216]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:50 -0700 Subject: Re: [PATCH v2 03/12] x86/sev: Add an x86 version of prot_guest_has() To: Tom Lendacky , Christoph Hellwig References: <7d55bac0cf2e73f53816bce3a3097877ed9663f3.1628873970.git.thomas.lendacky@amd.com> <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> From: "Kuppuswamy, Sathyanarayanan" Message-ID: <90316f17-e853-fd23-2ec2-4d03cf283b0b@linux.intel.com> Date: Thu, 19 Aug 2021 12:57:48 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> Content-Language: en-US Cc: linux-efi@vger.kernel.org, Brijesh Singh , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, linux-s390@vger.kernel.org, Andi Kleen , x86@kernel.org, amd-gfx@lists.freedesktop.org, Ingo Molnar , linux-graphics-maintainer@vmware.com, Joerg Roedel , Tianyu Lan , Borislav Petkov , Andy Lutomirski , Thomas Gleixner , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On 8/19/21 11:33 AM, Tom Lendacky wrote: > There was some talk about this on the mailing list where TDX and SEV may > need to be differentiated, so we wanted to reserve a range of values per > technology. I guess I can remove them until they are actually needed. In TDX also we have similar requirements and we need some flags for TDX specific checks. So I think it is fine to leave some space for vendor flags. -- Sathyanarayanan Kuppuswamy Linux Kernel Developer _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-7.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 A4F33C43214 for ; Thu, 19 Aug 2021 19:57:54 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6D75E60462 for ; Thu, 19 Aug 2021 19:57:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6D75E60462 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E8EE26E9D0; Thu, 19 Aug 2021 19:57:53 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 35A6E6E9D0; Thu, 19 Aug 2021 19:57:53 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10081"; a="280370799" X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="280370799" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:52 -0700 X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="532641597" Received: from kfrangia-mobl1.amr.corp.intel.com (HELO skuppusw-mobl5.amr.corp.intel.com) ([10.212.58.216]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:50 -0700 Subject: Re: [PATCH v2 03/12] x86/sev: Add an x86 version of prot_guest_has() To: Tom Lendacky , Christoph Hellwig Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, iommu@lists.linux-foundation.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-graphics-maintainer@vmware.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, Borislav Petkov , Brijesh Singh , Joerg Roedel , Andi Kleen , Tianyu Lan , Thomas Gleixner , Ingo Molnar , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Joerg Roedel References: <7d55bac0cf2e73f53816bce3a3097877ed9663f3.1628873970.git.thomas.lendacky@amd.com> <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> From: "Kuppuswamy, Sathyanarayanan" Message-ID: <90316f17-e853-fd23-2ec2-4d03cf283b0b@linux.intel.com> Date: Thu, 19 Aug 2021 12:57:48 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 8/19/21 11:33 AM, Tom Lendacky wrote: > There was some talk about this on the mailing list where TDX and SEV may > need to be differentiated, so we wanted to reserve a range of values per > technology. I guess I can remove them until they are actually needed. In TDX also we have similar requirements and we need some flags for TDX specific checks. So I think it is fine to leave some space for vendor flags. -- Sathyanarayanan Kuppuswamy Linux Kernel Developer 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=-7.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 09FC2C4338F for ; Thu, 19 Aug 2021 20:01:34 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1C5DA610CF for ; Thu, 19 Aug 2021 20:01:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1C5DA610CF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4GrFyg3SkGz3cYV for ; Fri, 20 Aug 2021 06:01:31 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=linux.intel.com (client-ip=134.134.136.31; helo=mga06.intel.com; envelope-from=sathyanarayanan.kuppuswamy@linux.intel.com; receiver=) X-Greylist: delayed 124 seconds by postgrey-1.36 at boromir; Fri, 20 Aug 2021 06:01:02 AEST Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4GrFy63s6Gz30FP for ; Fri, 20 Aug 2021 06:01:02 +1000 (AEST) X-IronPort-AV: E=McAfee;i="6200,9189,10081"; a="277656322" X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="277656322" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:52 -0700 X-IronPort-AV: E=Sophos;i="5.84,335,1620716400"; d="scan'208";a="532641597" Received: from kfrangia-mobl1.amr.corp.intel.com (HELO skuppusw-mobl5.amr.corp.intel.com) ([10.212.58.216]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Aug 2021 12:57:50 -0700 Subject: Re: [PATCH v2 03/12] x86/sev: Add an x86 version of prot_guest_has() To: Tom Lendacky , Christoph Hellwig References: <7d55bac0cf2e73f53816bce3a3097877ed9663f3.1628873970.git.thomas.lendacky@amd.com> <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> From: "Kuppuswamy, Sathyanarayanan" Message-ID: <90316f17-e853-fd23-2ec2-4d03cf283b0b@linux.intel.com> Date: Thu, 19 Aug 2021 12:57:48 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-efi@vger.kernel.org, Brijesh Singh , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , dri-devel@lists.freedesktop.org, platform-driver-x86@vger.kernel.org, linux-s390@vger.kernel.org, Andi Kleen , Joerg Roedel , x86@kernel.org, amd-gfx@lists.freedesktop.org, Ingo Molnar , linux-graphics-maintainer@vmware.com, Joerg Roedel , Tianyu Lan , Borislav Petkov , Andy Lutomirski , Thomas Gleixner , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 8/19/21 11:33 AM, Tom Lendacky wrote: > There was some talk about this on the mailing list where TDX and SEV may > need to be differentiated, so we wanted to reserve a range of values per > technology. I guess I can remove them until they are actually needed. In TDX also we have similar requirements and we need some flags for TDX specific checks. So I think it is fine to leave some space for vendor flags. -- Sathyanarayanan Kuppuswamy Linux Kernel Developer From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga07.intel.com ([134.134.136.100]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGoAk-009Nfu-4i for kexec@lists.infradead.org; Thu, 19 Aug 2021 19:57:55 +0000 Subject: Re: [PATCH v2 03/12] x86/sev: Add an x86 version of prot_guest_has() References: <7d55bac0cf2e73f53816bce3a3097877ed9663f3.1628873970.git.thomas.lendacky@amd.com> <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> From: "Kuppuswamy, Sathyanarayanan" Message-ID: <90316f17-e853-fd23-2ec2-4d03cf283b0b@linux.intel.com> Date: Thu, 19 Aug 2021 12:57:48 -0700 MIME-Version: 1.0 In-Reply-To: <4272eaf5-b654-2669-62ac-ba768acd6b91@amd.com> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Tom Lendacky , Christoph Hellwig Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, iommu@lists.linux-foundation.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-graphics-maintainer@vmware.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, Borislav Petkov , Brijesh Singh , Joerg Roedel , Andi Kleen , Tianyu Lan , Thomas Gleixner , Ingo Molnar , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Joerg Roedel On 8/19/21 11:33 AM, Tom Lendacky wrote: > There was some talk about this on the mailing list where TDX and SEV may > need to be differentiated, so we wanted to reserve a range of values per > technology. I guess I can remove them until they are actually needed. In TDX also we have similar requirements and we need some flags for TDX specific checks. So I think it is fine to leave some space for vendor flags. -- Sathyanarayanan Kuppuswamy Linux Kernel Developer _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec