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,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 80506C433DB for ; Fri, 26 Feb 2021 02:10:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2311664EFA for ; Fri, 26 Feb 2021 02:10:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229598AbhBZCKI (ORCPT ); Thu, 25 Feb 2021 21:10:08 -0500 Received: from mga03.intel.com ([134.134.136.65]:38815 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbhBZCKH (ORCPT ); Thu, 25 Feb 2021 21:10:07 -0500 IronPort-SDR: YkgfKQUQ8X8qrUqsuJFY+NxLXO4cVQz5GLjJKSNO6lTjiaUKTJfAl4PgGC5maKwA+1s9Oodpti 2LrpQ25T6qNw== X-IronPort-AV: E=McAfee;i="6000,8403,9906"; a="185800989" X-IronPort-AV: E=Sophos;i="5.81,207,1610438400"; d="scan'208";a="185800989" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Feb 2021 18:09:26 -0800 IronPort-SDR: xOwwmjowfjV7aycmDHUcC2m3gRoi3SONIf7RDFAKjUpQRXe4oqDnD/qwg3zVOScMfnsfEnGbNy VtdFHPSr8NaA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,207,1610438400"; d="scan'208";a="404679897" Received: from unknown (HELO local-michael-cet-test.sh.intel.com) ([10.239.159.166]) by orsmga008.jf.intel.com with ESMTP; 25 Feb 2021 18:09:24 -0800 From: Yang Weijiang To: pbonzini@redhat.com, richard.henderson@linaro.org, ehabkost@redhat.com, mtosatti@redhat.com, sean.j.christopherson@intel.com, qemu-devel@nongnu.org, kvm@vger.kernel.org Cc: Yang Weijiang Subject: [PATCH v7 0/6] Enable CET support for guest Date: Fri, 26 Feb 2021 10:20:52 +0800 Message-Id: <20210226022058.24562-1-weijiang.yang@intel.com> X-Mailer: git-send-email 2.17.2 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 v7: - Reverted part of XSAVE feature-word naming change per review feedback. - Fixed an issue blocking SHSTK and IBT used as two independent features if OS just enables either of them. - Other minor changes during testing and review. - Rebased to 5.2.0 base. CET KVM patches: https://lkml.kernel.org/r/20210203113421.5759-1-weijiang.yang@intel.com CET kernel patches: https://lkml.kernel.org/r/20210217222730.15819-1-yu-cheng.yu@intel.com Yang Weijiang (6): target/i386: Change XSAVE related feature-word names target/i386: Enable XSS feature enumeration for CPUID target/i386: Enable CET components support for XSAVES 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 | 113 +++++++++++++++++++++++------ target/i386/cpu.h | 55 ++++++++++++++- target/i386/kvm.c | 72 +++++++++++++++++++ target/i386/machine.c | 161 ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 379 insertions(+), 22 deletions(-) -- 2.26.2