From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail05.groups.io (mail05.groups.io [45.79.224.7]) by spool.mail.gandi.net (Postfix) with ESMTPS id B6C707803E8 for ; Wed, 24 Apr 2024 14:45:22 +0000 (UTC) DKIM-Signature: a=rsa-sha256; bh=MQ49/+78kn6GC76Ryo5h0sqjyWLUdmOBIM7X6pQIjSo=; 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:Resent-Date:Resent-From:Reply-To:List-Unsubscribe-Post:List-Unsubscribe:Content-Type:Content-Disposition; s=20240206; t=1713969921; v=1; b=FLIi0XuHGNNmYcbE12vCaD2yC3m/1IhRDT6jnuuJG+Oafcf5OrAKwSgUQTJXFLc9OXbpHf/H eYbc3BkEGyVnkd1zvjDYLIz80vJ5DxTS63fJl29KihgJOdEiTp2eOwRB8FWbFOxysXvzuOGM7jG Lm6uqiE35TpW4uBqkpK3KDMfHjE2QZ8tKIRwZ2pt7j+DoXfDR2KCtZ2At07IFDz8xJiIXqkNzIN xhsMhRjbvXBxUl7WdwadZJ1uuC6kUrVkfexOcGQqnCndP2Ym80zL9gmMdm1HM3XD0iTuf83ffVd zas9tBaonPOxSh9lhO9yO5wcccFext4xA57crd1kwo79A== X-Received: by 127.0.0.2 with SMTP id X1MpYY7687511xUq2L7VHuRf; Wed, 24 Apr 2024 07:45:21 -0700 X-Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web10.18448.1713969920156992263 for ; Wed, 24 Apr 2024 07:45:20 -0700 X-Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-359-4TFk_iy2P3qpGc4Z6qTaEA-1; Wed, 24 Apr 2024 10:45:14 -0400 X-MC-Unique: 4TFk_iy2P3qpGc4Z6qTaEA-1 X-Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (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 48FFC80B935; Wed, 24 Apr 2024 14:45:14 +0000 (UTC) X-Received: from dobby.home.kraxel.org (unknown [10.39.192.254]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9376E1121306; Wed, 24 Apr 2024 14:45:13 +0000 (UTC) X-Received: by dobby.home.kraxel.org (Postfix, from userid 1000) id 2A15FF6536; Wed, 24 Apr 2024 16:45:12 +0200 (CEST) Date: Wed, 24 Apr 2024 16:45:12 +0200 From: "Gerd Hoffmann" To: Tom Lendacky Cc: Michael Roth , devel@edk2.groups.io, Ard Biesheuvel , Erdem Aktas , Jiewen Yao , Min Xu , Jianyong Wu , Anatol Belski Subject: Re: [edk2-devel] [PATCH] OvmfPkg: Don't make APIC MMIO accesses with encryption bit set Message-ID: References: <20240423205958.1791780-1-michael.roth@amd.com> <006f3bfc-d7df-f2a9-57fb-378c72e316bd@amd.com> MIME-Version: 1.0 In-Reply-To: <006f3bfc-d7df-f2a9-57fb-378c72e316bd@amd.com> X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.3 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 Resent-Date: Wed, 24 Apr 2024 07:45:20 -0700 Resent-From: kraxel@redhat.com Reply-To: devel@edk2.groups.io,kraxel@redhat.com List-Unsubscribe-Post: List-Unsubscribe=One-Click List-Unsubscribe: X-Gm-Message-State: QTJEAlekDubqd5bafmwK8wAzx7686176AA= 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=20240206 header.b=FLIi0XuH; 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 45.79.224.7 as permitted sender) smtp.mailfrom=bounce@groups.io Hi, > > Ideally CpuPageTableLib should be used for this. > > CpuPageTableLib will need to be modified in order for it to be used at this > (Sec) stage. In order to work in Sec - either the caller will have to supply > a list of pages that can be used if pagetable entries need to be allocated > for splits I don't think so. PageTableMap() has the 'Buffer' parameter for passing in page table memory. And the patch reserves a page in MEMFD. Handing that page over to PageTableMap() should work just fine, no? take care, Gerd -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#118216): https://edk2.groups.io/g/devel/message/118216 Mute This Topic: https://groups.io/mt/105698125/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-