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[2620:137:e000::1:20]) by mx.google.com with ESMTP id b19-20020a05640202d300b0051bebe13248si2934186edx.63.2023.06.26.12.19.43; Mon, 26 Jun 2023 12:20:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20221208 header.b=S4eXFyS5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231830AbjFZSU7 (ORCPT + 99 others); Mon, 26 Jun 2023 14:20:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35062 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231681AbjFZSUe (ORCPT ); Mon, 26 Jun 2023 14:20:34 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4CDFE74 for ; Mon, 26 Jun 2023 11:20:24 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id d9443c01a7336-1b5465a79edso14555495ad.3 for ; Mon, 26 Jun 2023 11:20:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1687803624; x=1690395624; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=qTMxx/LJnmIWvUmH+gdz70kQEF0zmvOjZ2b4ibjV0JA=; b=S4eXFyS5rCCSmx6iv7PwkGg0BQvm/qIBJWemgkd6QqmzpVRLetRiUZjak1W1mQyzZr mMKoaj7RIcwyjjYeEciNW4ODHuDXAB0C13yWbXWuat885LfNkeAe1aW17ajmWdoYdpXC lk8VuAdGvlhi04z5vwImriXcHwbtXGq5yiwmyAeXX64MSqe0tt/49ZE3I4ee91HgxP3c zZI/w6Nc73N8LQ4zawaNdpS2epI7IexAi7Wb/yi0aenclZFLqPugb8wyTg5JeBEyxrHx Xt5PuAKkhVJcUdmnZRtHtS5GOOJqKuDtYqs0xkgs9jrVWM7sdTirDlmdiNS+WWD/3Ss3 DLzw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687803624; x=1690395624; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=qTMxx/LJnmIWvUmH+gdz70kQEF0zmvOjZ2b4ibjV0JA=; b=f7YQiyJAwi1qI0V1MG1CZ1tISz/XsTs+cSN5JvUQoz079tz0sAyWauAJYA/l+PJg4p eP5CyUlR1XWs68qaT0XptDPIr1EXau38sc/LUle19QIzHb400HsZe4zC9fLavXHcv23/ pg8Ma7yi3EkmjCf0WkN3zXWfgaRzpr5AgvTYaP+KcOQVTBXyVthB7ixXQtKlJBWzuIXe B9SGL1Zu5s2+45C1y8rCLnUi2R/WVk3Cjm19S7cq5h4gk06jqVFQGZLqraTzGXuTDBXP ujlRXXSKltcdFG59su/x7hT/1ViF4x+g2eOMcMd510duyfV5PgHLnnVsRr9cTiRynJXd f42w== X-Gm-Message-State: AC+VfDz+AhiM2lvZMVWT4nJc1krppUtrJUQN63cLI5/J7I/7+453AWvz UyF2lJc6U40hKXpZWOxD237xWQOSS347 X-Received: from mizhang-super.c.googlers.com ([35.247.89.60]) (user=mizhang job=sendgmr) by 2002:a17:902:b608:b0:1b5:bd8:5aaa with SMTP id b8-20020a170902b60800b001b50bd85aaamr1078296pls.1.1687803624119; Mon, 26 Jun 2023 11:20:24 -0700 (PDT) Reply-To: Mingwei Zhang Date: Mon, 26 Jun 2023 18:20:12 +0000 In-Reply-To: <20230626182016.4127366-1-mizhang@google.com> Mime-Version: 1.0 References: <20230626182016.4127366-1-mizhang@google.com> X-Mailer: git-send-email 2.41.0.162.gfafddb0af9-goog Message-ID: <20230626182016.4127366-3-mizhang@google.com> Subject: [PATCH v2 2/6] KVM: Documentation: Update the field name gfns and its description in kvm_mmu_page From: Mingwei Zhang To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Mingwei Zhang , Kai Huang , Jim Mattson , David Matlack , Ben Gardon , Xu Yilun , Zhi Wang X-Spam-Status: No, score=-9.6 required=5.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769794131364819339?= X-GMAIL-MSGID: =?utf-8?q?1769794131364819339?= Update the field 'gfns' in kvm_mmu_page to 'shadowed_translation' to be consistent with the code. Also update the corresponding 'gfns' in the comments. The more detailed description of 'shadowed_translation' is already inlined in the data structure definition, so no need to duplicate the text but simply just update the names. Signed-off-by: Mingwei Zhang Reviewed-by: Kai Huang --- Documentation/virt/kvm/x86/mmu.rst | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/Documentation/virt/kvm/x86/mmu.rst b/Documentation/virt/kvm/x86/mmu.rst index 561efa8ec7d7..4c9044b4dc6c 100644 --- a/Documentation/virt/kvm/x86/mmu.rst +++ b/Documentation/virt/kvm/x86/mmu.rst @@ -221,11 +221,12 @@ Shadow pages contain the following information: at __pa(sp2->spt). sp2 will point back at sp1 through parent_pte. The spt array forms a DAG structure with the shadow page as a node, and guest pages as leaves. - gfns: - An array of 512 guest frame numbers, one for each present pte. Used to - perform a reverse map from a pte to a gfn. When role.direct is set, any + shadowed_translation: + An array of 512 shadow translation entries, one for each present pte. Used + to perform a reverse map from a pte to a gfn. When role.direct is set, any element of this array can be calculated from the gfn field when used, in - this case, the array of gfns is not allocated. See role.direct and gfn. + this case, the array of shadowed_translation is not allocated. See + role.direct and gfn. root_count: A counter keeping track of how many hardware registers (guest cr3 or pdptrs) are now pointing at the page. While this counter is nonzero, the