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=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 29B59C4321A for ; Tue, 2 Mar 2021 10:01:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD42D64F12 for ; Tue, 2 Mar 2021 10:01:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1577791AbhCBJxB (ORCPT ); Tue, 2 Mar 2021 04:53:01 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:60128 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238575AbhCBJgU (ORCPT ); Tue, 2 Mar 2021 04:36:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1614677644; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UiswwEqWgCcc6JVEOoT/GV1Yehm2pU+siqiY2RK3s7M=; b=YrRqBTLVrOVBSXtT/5DMnD9TYdpaZfPXi1/pxbXWeAXl5IuWNi88iSmBQMhYlptA8F7iPh 6qXYCSAzgz+NEP5Jb/pWhpi0T9gNxSkhYO/OiVVBgXr6gAbn7aL/G8+4rZPiy5ZLj216/P 08B3LooJQnajsMJZ3mijzRgAhDObGr4= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-254-vkQhMMdZMWWP3PWz5PHNlg-1; Tue, 02 Mar 2021 04:34:02 -0500 X-MC-Unique: vkQhMMdZMWWP3PWz5PHNlg-1 Received: by mail-wm1-f69.google.com with SMTP id r21so306874wmq.7 for ; Tue, 02 Mar 2021 01:34:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=UiswwEqWgCcc6JVEOoT/GV1Yehm2pU+siqiY2RK3s7M=; b=qYZhnjEAkYcNGwDR1fpMZOra77geXF6579u/rnZIhc2UokEZNmlTRJgCayerM85A2D FS6HoKKVqeVXfRjMohzwP/DRG2wCkR3bdwhDYjUqPPecHtqgMrHW623AUKbDs0pnonN0 RcFw6XfsBDYQuxfnjo7nlefi4VpAnMdEppAhDRFDO6Hpvc+zoJqDDoiytqs/m2L7cEf6 LR/Acrcp6+CUBdeHVWMoZVPFPP6Rz0F/wFedmv+PeoRlDEah7AYBtBVM4txbENEhcbpB wlK/KMh+PEN7DH0gMziCSR+tI414ueDCZ7/cD6H6e+LozDiUM5t21dHYzC8cq+9Z5VxP G/oQ== X-Gm-Message-State: AOAM530xTyrA8z8ztXcwp4QZk1nakjGjOK417RI9fnUXMiCnVyjLE+FN 6p3kXwJ/VYS7R6/c4nDNiJtdcnup00ZIv3d82h/zo1o1vPuVuBMiPyfb58OPQNdbRzYtfWeud9b GFN4JGvOtJQxsDkIgHfVs9vKg X-Received: by 2002:a1c:bac2:: with SMTP id k185mr3137760wmf.148.1614677640851; Tue, 02 Mar 2021 01:34:00 -0800 (PST) X-Google-Smtp-Source: ABdhPJyoXcwmapp7HZMXF9WKS7S9md99CuclLhyuqLkFLsTZMmv0tMBvmgShASamrRonSac04nM/rg== X-Received: by 2002:a1c:bac2:: with SMTP id k185mr3137742wmf.148.1614677640649; Tue, 02 Mar 2021 01:34:00 -0800 (PST) Received: from ?IPv6:2001:b07:6468:f312:c8dd:75d4:99ab:290a? ([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id a131sm1972171wmc.48.2021.03.02.01.33.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Mar 2021 01:34:00 -0800 (PST) Subject: Re: [PATCH v2] KVM: nVMX: Sync L2 guest CET states between L1/L2 To: Yang Weijiang , Sean Christopherson Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Vitaly Kuznetsov References: <20210225030951.17099-1-weijiang.yang@intel.com> <20210225030951.17099-2-weijiang.yang@intel.com> <20210302090532.GA5372@local-michael-cet-test> From: Paolo Bonzini Message-ID: <39737fcf-ac15-006e-c21f-39f6caa3b342@redhat.com> Date: Tue, 2 Mar 2021 10:33:59 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: <20210302090532.GA5372@local-michael-cet-test> 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 02/03/21 10:05, Yang Weijiang wrote: > I got some description from MSFT as below, do you mean that: > > GuestSsp uses clean field GUEST_BASIC (bit 10) > GuestSCet/GuestInterruptSspTableAddr uses GUEST_GRP1 (bit 11) > HostSCet/HostSsp/HostInterruptSspTableAddr uses HOST_GRP1 (bit 14) > > If it is, should these go into separate patch series for Hyper-v nested > support? I have some pending patches for the enabling. Yes, it should be a separate patch. The main patch however should add the CET fields to EVMCS1_UNSUPPORTED_VMENTRY_CTRL and EVMCS1_UNSUPPORTED_VMEXIT_CTRL. Thanks, Paolo