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=-7.5 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 2DAF3C48BD1 for ; Fri, 11 Jun 2021 16:19:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0554461181 for ; Fri, 11 Jun 2021 16:19:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229530AbhFKQVT (ORCPT ); Fri, 11 Jun 2021 12:21:19 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:47261 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229572AbhFKQVQ (ORCPT ); Fri, 11 Jun 2021 12:21:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1623428357; 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=RDL7ttxouIIhaHWr6IKTrlhJt0/pNbx4H3jjDvgIxo4=; b=dC0Bm5+LXYB5l8N3gq0vEDk2VKUe8DFZpigsA3Ed++D3uq+wJhQIHyWjgH7X0xZfZS0BQz 4ewzNmuP1bSO61l8SEyKE3Om0gaCgDD0IavBVUQGi2xrjgK73NjkyKA1h87wwf3lHwN/DM uUdschRqdbkpvA+Sxm3gj1HjWt1roCQ= Received: from mail-wr1-f69.google.com (mail-wr1-f69.google.com [209.85.221.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-505-qDXYQfEwNZWMJw-2Uqc4Mw-1; Fri, 11 Jun 2021 12:19:16 -0400 X-MC-Unique: qDXYQfEwNZWMJw-2Uqc4Mw-1 Received: by mail-wr1-f69.google.com with SMTP id k11-20020adfe3cb0000b0290115c29d165cso2850123wrm.14 for ; Fri, 11 Jun 2021 09:19:16 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:cc:references:from:subject:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=RDL7ttxouIIhaHWr6IKTrlhJt0/pNbx4H3jjDvgIxo4=; b=H9UTmXxxCmurjNxNd4nZJGFte4kMzjtwFc2UbO0m8ZNSOVhBOXq6uhKpNj0CGuuq/o VUB2qndmBRK154PdV/Bkr4J0YxKpMM4g3Lk14WD6FDtmwHZo5GK8NoU34T/rf31dVdzc HXy4XwdWAvtE37C8+wrMBOogNIx78ZMgOf2bK2nkf7phSaMqfzTTYpr8fzg5Hy72wVUr ZWp6MBygbQ5lVFKJ0J+4z9VWA9L97CORVDXSc8Sby8h0x74QFFUEAYdtqSbHDomNn/F8 PsPSWyKdgdM1qIdxc47PILS5ajdr1vF7XObNNbUj/YQqdAEmigWpk7QtBzzzfGktXm/P 48OQ== X-Gm-Message-State: AOAM531zNQ2cPwQdTqFhVjaHX1+yCDPY3KFwUs3sv5hEDfkYtulG+ubm edmOfqFgPeteHu8Ds+xHenUCkm7ZwlcCDm9GAfrP7N4UDyAMw/vjNM/75C6+cRzM62RazORQhyN 70dcTDI3+EV0MXN7O7738kH4OS5sbxJbWLmT+SNz/awz7R/vcq8pTGpXVwlHzhDqHitEVrT3Uwv ZC X-Received: by 2002:a7b:c1c5:: with SMTP id a5mr4852393wmj.134.1623428355082; Fri, 11 Jun 2021 09:19:15 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyINgCDbOBo9OC8UrfvxSwKA7rBXMHFGZv2HIog3Y74jrQqfeuhH0vfLgmiy1dyQd4XDq/0HQ== X-Received: by 2002:a7b:c1c5:: with SMTP id a5mr4852366wmj.134.1623428354871; Fri, 11 Jun 2021 09:19:14 -0700 (PDT) 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 o18sm13192206wmh.38.2021.06.11.09.19.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Jun 2021 09:19:14 -0700 (PDT) To: Sean Christopherson Cc: Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210610220026.1364486-1-seanjc@google.com> From: Paolo Bonzini Subject: Re: [PATCH] KVM: x86/mmu: Calculate and check "full" mmu_role for nested MMU Message-ID: Date: Fri, 11 Jun 2021 18:19:13 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20210610220026.1364486-1-seanjc@google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/06/21 00:00, Sean Christopherson wrote: > things like the number of levels in the guest's page tables are > surprisingly important when walking the guest page tables Along which path though? I would have naively expected those to be driven only by the context->root_level. Paolo