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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,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 D7EFDC43461 for ; Thu, 20 May 2021 05:43:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ACD4861353 for ; Thu, 20 May 2021 05:43:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230375AbhETFpA (ORCPT ); Thu, 20 May 2021 01:45:00 -0400 Received: from mga12.intel.com ([192.55.52.136]:47737 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230333AbhETFoz (ORCPT ); Thu, 20 May 2021 01:44:55 -0400 IronPort-SDR: A3PNwe1ynkfD8zY6s2lo3DnPczoVmITfLHZYduGfenMektibP5QwVdDvqPnfKEg7UFddAfDkJG KltOFe5NJhxg== X-IronPort-AV: E=McAfee;i="6200,9189,9989"; a="180751698" X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="180751698" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2021 22:43:33 -0700 IronPort-SDR: n3O+14PWJTQ0MUWrvf08martYtv6lVc7Ru0hSuFsbqGNNwijTesT7KnPeBMwwphR8dqN0Y+vU2 pNo0HELEKDXw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="440160277" Received: from michael-optiplex-9020.sh.intel.com ([10.239.159.172]) by fmsmga008.fm.intel.com with ESMTP; 19 May 2021 22:43:31 -0700 From: Yang Weijiang To: pbonzini@redhat.com, ehabkost@redhat.com, mtosatti@redhat.com, seanjc@google.com, richard.henderson@linaro.org, qemu-devel@nongnu.org, kvm@vger.kernel.org Cc: Yang Weijiang Subject: [PATCH v8 0/6] Enable CET support for guest Date: Thu, 20 May 2021 13:57:05 +0800 Message-Id: <1621490231-4765-1-git-send-email-weijiang.yang@intel.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Control-flow Enforcement Technology (CET) provides protection against Return/Jump-Oriented Programming (ROP/JOP). It includes two features: Shadow Stack(SHSTK) and Indirect Branch Tracking(IBT). This patch series is to enable CET related CPUID report, XSAVES/XRSTORS support and MSR access etc. for guest. Change in v8: - Extended xsave_area_size() to accommodate compacted format size calculation. - Added CPUID(0xD,1).EBX assigment per maintain's feedback. - Changed XSS field check and added more comments to make things clearer. - Other ajustment per maintainer's review feedback. - Rebased to 6.0.0. v7 patch: https://lore.kernel.org/kvm/20210226022058.24562-1-weijiang.yang@intel.com CET KVM patches: https://git.kernel.org/pub/scm/virt/kvm/kvm.git/log/?h=intel CET kernel patches: https://lkml.kernel.org/r/20210427204315.24153-1-yu-cheng.yu@intel.com Yang Weijiang (6): target/i386: Change XSAVE related feature-word names target/i386: Enable XSS feature CPUID enumeration target/i386: Enable XSAVES support for CET states target/i386: Add user-space MSR access interface for CET target/i386: Add CET state support for guest migration target/i386: Advise CET bits in CPU/MSR feature words target/i386/cpu.c | 138 +++++++++++++++++++++++++++++------- target/i386/cpu.h | 52 +++++++++++++- target/i386/kvm/kvm.c | 72 +++++++++++++++++++ target/i386/machine.c | 161 ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 395 insertions(+), 28 deletions(-) -- 2.26.2