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 56366C433B4 for ; Thu, 20 May 2021 05:45:30 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 E11D461004 for ; Thu, 20 May 2021 05:45:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E11D461004 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53254 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ljbUu-0007fd-OP for qemu-devel@archiver.kernel.org; Thu, 20 May 2021 01:45:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60678) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljbTD-00055J-QI for qemu-devel@nongnu.org; Thu, 20 May 2021 01:43:43 -0400 Received: from mga06.intel.com ([134.134.136.31]:7412) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljbTA-000736-KS for qemu-devel@nongnu.org; Thu, 20 May 2021 01:43:43 -0400 IronPort-SDR: ibMHIsAgqi3piVotp4bKVdvqbZkfdhdsaAeBXM9rj2CJXhgQPoNevbJRt4mgYAdVfnRhZTtPUc QxHADfuH1SMg== X-IronPort-AV: E=McAfee;i="6200,9189,9989"; a="262370927" X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="262370927" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.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 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 Received-SPF: pass client-ip=134.134.136.31; envelope-from=weijiang.yang@intel.com; helo=mga06.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yang Weijiang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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