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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A355C4332F for ; Fri, 15 Apr 2022 15:21:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354977AbiDOPXs (ORCPT ); Fri, 15 Apr 2022 11:23:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354959AbiDOPXl (ORCPT ); Fri, 15 Apr 2022 11:23:41 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F4D75D1BF; Fri, 15 Apr 2022 08:21:13 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id r13so10990250wrr.9; Fri, 15 Apr 2022 08:21:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=cGkDu2i2GdxYtNqqObyhG3QkfvcoNxTA99ftgz/Hirw=; b=TKAmKfwSPcxzDhqhY5jxlVKOgXT5Q/2pAUGVf90F3WbdAnAtdnD7lT1vN3T9iBjKAN /W+YbwTj8QkUz7L3NIzC3b6KxZa9l8VYL7QD7vfPQRsF3W6JlymoJ8iiQJg9uxO1L1YO Ra4zt0WhJJ7Mp8Ue7orM5ls9PDahXI70FqAsj+JdIMvwBf86hxJNstZ7qCb0rADrGUvJ n9WKxRHJP9L+y5nKfgW+bEiaizjOuJn+hOvcZlPRxQqdGe28KhjQijXOZyvReYZ7xU6h NevJ4Cw5JDr+jTV7eVwGai75OmvJOxSd1+ZOOmtKBYDPc6TXiapse/CDwpKGF9TaCeNN 0fUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:message-id:date:mime-version:user-agent :subject:content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=cGkDu2i2GdxYtNqqObyhG3QkfvcoNxTA99ftgz/Hirw=; b=wpjA1E9uySD4HTmIddM69RjU8ZKMb6dl80oNQN1AH6a0iMnmh9+hv5ad0/JL33JkEy wY36rhdb1mQBkA/f7c4WUiN6hjc71wUulJ47aOwaSJWkgR3n5n9xJG7lFrvxoa/xGpoX UoGVYvJY4ne0pL5Ns169elIHNY+E0nkIQL4LWm1EyYtgsS7PLFLSkTiMG7bTRidNMQQv SznDrOQBV6LWleiksKxPp8/Iz2y5KECCv+8s2/3jxA7Z2lighMPQrnLTuW8KDA3xph8z bSSWeU2cc32kxL42X/hjtr9uizwwlwTtY4GVLp2DlyCDZf4rUX5q2zlK/aUBGXwBV1tj aC8Q== X-Gm-Message-State: AOAM531hUVCZhP25ZMHNyGeSwTU91Ar+evVM2l6pFoDfePckY+03LlWf gZ/hdN8oRG+qV3rqK2mySo9Xm9LDLPnFvw== X-Google-Smtp-Source: ABdhPJzyRqa3FT/KLcNWej01rc5pgpcZYtYI+64/VsQnzCw14IDSWel/5ueHoNuYC1Kd2q2z3forgQ== X-Received: by 2002:a05:6000:15c8:b0:207:b935:e918 with SMTP id y8-20020a05600015c800b00207b935e918mr6054717wry.551.1650036071741; Fri, 15 Apr 2022 08:21:11 -0700 (PDT) Received: from ?IPV6:2001:b07:add:ec09:c399:bc87:7b6c:fb2a? ([2001:b07:add:ec09:c399:bc87:7b6c:fb2a]) by smtp.googlemail.com with ESMTPSA id r17-20020a0560001b9100b00207afaa8987sm5171744wru.27.2022.04.15.08.21.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Apr 2022 08:21:11 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <950d33c7-5e93-76ca-a2d8-9d69616fc98e@redhat.com> Date: Fri, 15 Apr 2022 17:21:03 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [RFC PATCH v5 053/104] KVM: x86/mmu: steal software usable bit for EPT to represent shared page Content-Language: en-US To: isaku.yamahata@intel.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@gmail.com, Jim Mattson , erdemaktas@google.com, Connor Kuehl , Sean Christopherson References: <028675e255cb2a23186ebc7a94c06a47375c6883.1646422845.git.isaku.yamahata@intel.com> From: Paolo Bonzini In-Reply-To: <028675e255cb2a23186ebc7a94c06a47375c6883.1646422845.git.isaku.yamahata@intel.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/4/22 20:49, isaku.yamahata@intel.com wrote: > +/* Masks that used to track for shared GPA **/ > +#define SPTE_PRIVATE_PROHIBIT BIT_ULL(62) > + Please rename this to SPTE_SHARED_MAPPING_MASK, or even just SPTE_SHARED_MASK. Paolo