From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.groups.io (mail02.groups.io [66.175.222.108]) by spool.mail.gandi.net (Postfix) with ESMTPS id 46EE2AC0D61 for ; Fri, 2 Feb 2024 08:44:13 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=io9Gz6znz3ojypNmaqNfZLTknUz8y9t1Hz6tFjKU0ms=; c=relaxed/simple; d=groups.io; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version:In-Reply-To:Precedence:List-Subscribe:List-Help:Sender:List-Id:Mailing-List:Delivered-To:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Type:Content-Disposition; s=20140610; t=1706863451; v=1; b=ECnawquB96X2K3+zGPgW7Yw+LEwTyCPN+ucnMeYK+Ysp/WqpsGfm24ZMGGPl0DuuYR2midOe yeN1myk0MSRHRXQDv7gvBSvUjrVvZb068CmwhLukrWW1W8p+K/8IIz+WgeLvgBoE1v04qtfz8TG MlRKfnZgnNV6ueRTm5uwUaO4= X-Received: by 127.0.0.2 with SMTP id JMwFYY7687511xMcHTu6ksmM; Fri, 02 Feb 2024 00:44:11 -0800 X-Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mx.groups.io with SMTP id smtpd.web10.18808.1706863451065424019 for ; Fri, 02 Feb 2024 00:44:11 -0800 X-Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-682-lE27ZmHMNPuK_nyv-pD4pQ-1; Fri, 02 Feb 2024 03:44:08 -0500 X-MC-Unique: lE27ZmHMNPuK_nyv-pD4pQ-1 X-Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id EAC003C0F222; Fri, 2 Feb 2024 08:44:07 +0000 (UTC) X-Received: from sirius.home.kraxel.org (unknown [10.39.193.17]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2FF09492BE2; Fri, 2 Feb 2024 08:44:07 +0000 (UTC) X-Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id F3590180079A; Fri, 2 Feb 2024 09:44:01 +0100 (CET) Date: Fri, 2 Feb 2024 09:44:01 +0100 From: "Gerd Hoffmann" To: "Xu, Min M" Cc: "devel@edk2.groups.io" , "Aktas, Erdem" , Oliver Steffen , "Yao, Jiewen" , Ard Biesheuvel , Tom Lendacky , Michael Roth , Liming Gao , Laszlo Ersek Subject: Re: [edk2-devel] [PATCH v2 0/5] OvmfPkg: Add support for 5-level paging Message-ID: References: <20240130123204.764453-1-kraxel@redhat.com> <3jj3lyr7gmuzzdp6f7dnj3ow6sox5uikdx7ysb6xuoxryghuzn@r3jatiaty24n> MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Precedence: Bulk List-Subscribe: List-Help: Sender: devel@edk2.groups.io List-Id: Mailing-List: list devel@edk2.groups.io; contact devel+owner@edk2.groups.io Reply-To: devel@edk2.groups.io,kraxel@redhat.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: b2xRLfWUjupPnr9MNYESdqEXx7686176AA= Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-GND-Status: LEGIT Authentication-Results: spool.mail.gandi.net; dkim=pass header.d=groups.io header.s=20140610 header.b=ECnawquB; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=redhat.com (policy=none); spf=pass (spool.mail.gandi.net: domain of bounce@groups.io designates 66.175.222.108 as permitted sender) smtp.mailfrom=bounce@groups.io On Fri, Feb 02, 2024 at 08:30:23AM +0000, Xu, Min M wrote: > > Pushed branch with two experimental patches: > > https://github.com/kraxel/edk2/commits/devel/paging-5lvl/ > > > > One for tdx, writing different values into TDX_WORK_AREA_PGTBL_READY for > > 4-level and 5-level paging modes. > > > > One for sev, which adds a 2-level page directory for the first gigabyte and > > places it at the same physical address it has in 4-level paging. > > With that SevClearPageEncMaskForGhcbPage should work unmodified in 5- > > level mode. > > > > Test results are welcome. > > Thanks Gerd, it works in TDX. One typo in the patch that pageTableEntriesLoopla57 and pageTableEntriesLoopLa57. Thanks for testing. Added a second sev patch to the branch, rearranging the #vc handler uninstall to make the la57 cpuid checks work on sev. @Tom: Would be great if you can give this a test thanks & take care, Gerd PS: I'll be offline next week. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#115034): https://edk2.groups.io/g/devel/message/115034 Mute This Topic: https://groups.io/mt/104052206/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-