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=-8.7 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,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 3C7C4C07E9B for ; Tue, 6 Jul 2021 14:47:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25229619F1 for ; Tue, 6 Jul 2021 14:47:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232206AbhGFOt5 (ORCPT ); Tue, 6 Jul 2021 10:49:57 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:40690 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232134AbhGFOtz (ORCPT ); Tue, 6 Jul 2021 10:49:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1625582835; 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=cn4J7G4tuvS6OiK2L10T2Hq0RndQq16jPtOwTvn2o60=; b=T7l6yaEMKKvY/ZiQ7ROXYVROT4fk2lPpCh0U+/l3zsR9GyTWF2lELq2x1laZ1nyhhtykYu 8kiDSuumKqfTgZWm1Z1buAzY6dxpimsdW38tBOgzveImFeAlmAbcaC8k9VRvsM5jSXn3Lj 9mkFOt9POm2upXCGqonBDSHaqJYzRuY= Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-489-HLr9QX-RNeKVDcQLh62_Mw-1; Tue, 06 Jul 2021 09:56:58 -0400 X-MC-Unique: HLr9QX-RNeKVDcQLh62_Mw-1 Received: by mail-ed1-f70.google.com with SMTP id n13-20020a05640206cdb029039589a2a771so2907857edy.5 for ; Tue, 06 Jul 2021 06:56:58 -0700 (PDT) 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=cn4J7G4tuvS6OiK2L10T2Hq0RndQq16jPtOwTvn2o60=; b=kXNSaS/zHjacl/dj/BTxqGQ2tm2+fkEKTG9p9fga4ATpW9TykvRpiI/YZ9xrUsLebM 9JvmNQ59s4UMiSNblg0oiWYBfbguqs2vKpn7B5bSN3DeVIee1j0xOtzmp7/H9jl5CuMC ujUnqnlWVGPJ1kmACA2F3hdSBGEEwH6pAAWob8yjCnX98oSs3k+UuPcUqa/9bOUUVKsF OJV0CFnd4FCSOx/AaO2AGsHwb6ttgjV9Q3wLRXsISH+wsYB0/2ExLn3niBH3mbNvsyKX sHc7XBFDq4ok2PuBUXJmHJDgVeQLdJO2vuiB8BuL/lmISTF5ciQ2+9YnSKSimVaBobmr lbgw== X-Gm-Message-State: AOAM532Br3Axag1ip4QKtARuwaFEx/nIFwsz/Hr3kg1UtxNTNDDF/Cz4 QfZ4IYp1yZIjyV/0H0XD0fZyO5I78I9/mEOIA3z40Znf8V7xCLVLiHpPWWOIscJMXEZc3kjDV/w y0Kj+zOFNBqivsasxyg8ij3HA X-Received: by 2002:a05:6402:10cc:: with SMTP id p12mr23684322edu.328.1625579817781; Tue, 06 Jul 2021 06:56:57 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzBEjrKLA2on/19nD0Yrx16CtK6qfZTo+SZiIj4Qb4FDWHAn0TYddMFnDv/qyTK4JPOFjaIjA== X-Received: by 2002:a05:6402:10cc:: with SMTP id p12mr23684293edu.328.1625579817648; Tue, 06 Jul 2021 06:56:57 -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 ec40sm7301496edb.57.2021.07.06.06.56.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Jul 2021 06:56:57 -0700 (PDT) Subject: Re: [RFC PATCH v2 22/69] KVM: x86: Add vm_type to differentiate legacy VMs from protected VMs To: isaku.yamahata@intel.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , erdemaktas@google.com, Connor Kuehl , Sean Christopherson , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: isaku.yamahata@gmail.com, Sean Christopherson , Xiaoyao Li References: <8eb87cd52a89d957af03f93a9ece5634426a7757.1625186503.git.isaku.yamahata@intel.com> From: Paolo Bonzini Message-ID: Date: Tue, 6 Jul 2021 15:56:55 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <8eb87cd52a89d957af03f93a9ece5634426a7757.1625186503.git.isaku.yamahata@intel.com> 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 03/07/21 00:04, isaku.yamahata@intel.com wrote: > > struct kvm_arch { > + unsigned long vm_type; Also why not just int or u8? Paolo