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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 777ACC49EA6 for ; Sat, 26 Jun 2021 14:22:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A15161455 for ; Sat, 26 Jun 2021 14:22:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229907AbhFZOYt (ORCPT ); Sat, 26 Jun 2021 10:24:49 -0400 Received: from mga03.intel.com ([134.134.136.65]:10767 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229518AbhFZOYs (ORCPT ); Sat, 26 Jun 2021 10:24:48 -0400 IronPort-SDR: d1bgSvAnhyNROBn61JkLICQFStL3FY5tRJayoYUO9DwsbAgulDFfrJYQdWXM+OzERRTF8uipPY dG0rq63iCOVg== X-IronPort-AV: E=McAfee;i="6200,9189,10027"; a="207828219" X-IronPort-AV: E=Sophos;i="5.83,301,1616482800"; d="scan'208";a="207828219" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2021 07:22:25 -0700 X-IronPort-AV: E=Sophos;i="5.83,301,1616482800"; d="scan'208";a="640382630" Received: from mlubyani-mobl2.amr.corp.intel.com (HELO skuppusw-desk1.amr.corp.intel.com) ([10.254.8.25]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jun 2021 07:22:25 -0700 From: Kuppuswamy Sathyanarayanan To: 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 Subject: [PATCH v2 0/5] Add TDX Guest Support (boot fixes) Date: Sat, 26 Jun 2021 07:22:08 -0700 Message-Id: X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi All, Intel's Trust Domain Extensions (TDX) protect guest VMs from malicious hosts and some physical attacks. This series adds boot code support and some additional fixes required for successful boot of TDX guest. This series is the continuation of the patch series titled "Add TDX Guest Support (Initial support)" and "Add TDX Guest Support (#VE handler support )", which added initial support and #VE handler support for TDX guests. You can find the related patchsets in the following links. [set 1] - https://lore.kernel.org/patchwork/project/lkml/list/?series=505232 [set 2] - https://lore.kernel.org/patchwork/project/lkml/list/?series=506230 Also please note that this series alone is not necessarily fully functional. You can find TDX related documents in the following link. https://software.intel.com/content/www/br/pt/develop/articles/intel-trust-domain-extensions.html Changes since v1: * Rebased on top of v3 version of "Add TDX Guest Support (Initial support)" patchset. Since it had some changes at the TDCALL implementation level, we have to rebase other dependent patches. Kuppuswamy Sathyanarayanan (2): x86/topology: Disable CPU online/offline control for TDX guest x86: Skip WBINVD instruction for VM guest Sean Christopherson (3): x86/boot: Add a trampoline for APs booting in 64-bit mode x86/boot: Avoid #VE during boot for TDX platforms x86/tdx: Forcefully disable legacy PIC for TDX guests arch/x86/boot/compressed/head_64.S | 16 +++++-- arch/x86/boot/compressed/pgtable.h | 2 +- arch/x86/include/asm/acenv.h | 7 ++- arch/x86/include/asm/realmode.h | 12 +++++ arch/x86/kernel/head_64.S | 20 +++++++- arch/x86/kernel/smpboot.c | 2 +- arch/x86/kernel/tdx.c | 18 ++++++++ arch/x86/kernel/topology.c | 3 +- arch/x86/realmode/rm/header.S | 1 + arch/x86/realmode/rm/trampoline_64.S | 59 ++++++++++++++++++++++-- arch/x86/realmode/rm/trampoline_common.S | 12 ++++- 11 files changed, 138 insertions(+), 14 deletions(-) -- 2.25.1