From nobody Sun Feb 8 18:15:35 2026 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 37DFEC04E69 for ; Tue, 1 Aug 2023 00:21:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231264AbjHAAVh (ORCPT ); Mon, 31 Jul 2023 20:21:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230507AbjHAAVc (ORCPT ); Mon, 31 Jul 2023 20:21:32 -0400 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 211BE19A8 for ; Mon, 31 Jul 2023 17:21:32 -0700 (PDT) Received: by mail-pg1-x549.google.com with SMTP id 41be03b00d2f7-563bcd2cb78so5212138a12.3 for ; Mon, 31 Jul 2023 17:21:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1690849291; x=1691454091; 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=2V2qqbRtJdIF4yKoul1PG5FvBTRojVE4noGz8EUUEGo=; b=b4gXIVWX4cTKAZEBzuS9bcuTAIwnIpR66S3yHkHBzJg6Pqk6/twID1GBjAw9sqMNEe sr8t7BYV6mty7CFn9oOUry++ndP3gel1ZBA8n433pUcnMmtKavpQiAYhxdjtq1zNP+qW A8K77tu+LeGtGiHgEOpdG7tDsHmKWquXFI6tAAxOsBTLMioIR2PHsAOh+VW6BFFxkxcA 9CrK1F/fby5iCi3/bzHMc/edGX33OcDpyrk8Q2FoI/Y4wqcJJHZfuATFIWdUgbI2RS9R GNpOA/tcOK68CMq2+Z/xSUQ1C7Fa6o9a9EpLwQSaxRB1rwWII+JOkwVx5V2Wyx1Ewdl/ ZR7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690849291; x=1691454091; 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=2V2qqbRtJdIF4yKoul1PG5FvBTRojVE4noGz8EUUEGo=; b=CZWTdaEJskame7ElP2QDMNX4C8/cPNbKXqChLh0w9z8GceVNAlZmiZe5+qZacdS8UP avqF+eNt1cD8+vPLvRCpUihLf9cIRwARukDoWTTWbDczMpeQreGdU23Rhk9RhBmzRPfj 96DvyjJTt3ZA8Vn/AQk4g+YtdRY8rCZ20911I531ql09YXi7DrkAL2FAjAz4ZsqKo3Pc v1bDmQhcqVioZUGfIFn2XGTigp0HtCouk9TaVSkZwJsrsL+IPqZgk7pHn9fzglnYzuOU eVxoy8Mn/yDO0f2jtjBHb6jCg2acYbbv9a+hQ5H3sInomW4xVvB64fQh88bLb5kydsUd +bBg== X-Gm-Message-State: ABy/qLawTdIr0OkcGfS2jGxOLxjs1NFauJDY0hRfboA2C8cntn990Qve JurOzwgiPq88IV0GmIXv7BuYtwNhkU+p X-Google-Smtp-Source: APBJJlE2zNXDzrG9zPFf9F8B6Qrdnzu1M70NsJqVru5PDje4e8hKGj6bKUmauq0mTOtpQsX6jWWyA46aK0Ss X-Received: from mizhang-super.c.googlers.com ([34.105.13.176]) (user=mizhang job=sendgmr) by 2002:a63:7e54:0:b0:564:f85:c822 with SMTP id o20-20020a637e54000000b005640f85c822mr66706pgn.8.1690849291659; Mon, 31 Jul 2023 17:21:31 -0700 (PDT) Reply-To: Mingwei Zhang Date: Tue, 1 Aug 2023 00:21:21 +0000 In-Reply-To: <20230801002127.534020-1-mizhang@google.com> Mime-Version: 1.0 References: <20230801002127.534020-1-mizhang@google.com> X-Mailer: git-send-email 2.41.0.585.gd2178a4bd4-goog Message-ID: <20230801002127.534020-2-mizhang@google.com> Subject: [PATCH v3 1/6] KVM: Documentation: Add the missing description for guest_mode in kvm_mmu_page_role 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 , Randy Dunlap Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the missing description for guest_mode in kvm_mmu_page_role description. guest_mode tells KVM whether a shadow page is used for the L1 or an L2. Update the missing field in documentation. Signed-off-by: Mingwei Zhang Reviewed-by: Kai Huang --- Documentation/virt/kvm/x86/mmu.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/virt/kvm/x86/mmu.rst b/Documentation/virt/kvm/x8= 6/mmu.rst index 8364afa228ec..561efa8ec7d7 100644 --- a/Documentation/virt/kvm/x86/mmu.rst +++ b/Documentation/virt/kvm/x86/mmu.rst @@ -202,6 +202,8 @@ Shadow pages contain the following information: Is 1 if the MMU instance cannot use A/D bits. EPT did not have A/D bits before Haswell; shadow EPT page tables also cannot use A/D bits if the L1 hypervisor does not enable them. + role.guest_mode: + Indicates the shadow page is created for a nested guest. role.passthrough: The page is not backed by a guest page table, but its first entry points to one. This is set if NPT uses 5-level page tables (host --=20 2.41.0.585.gd2178a4bd4-goog