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 X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3AF38C433E0 for ; Mon, 11 Jan 2021 15:31:38 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C4B6B22795 for ; Mon, 11 Jan 2021 15:31:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C4B6B22795 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.64986.114978 (Exim 4.92) (envelope-from ) id 1kyzAE-0005Qn-1g; Mon, 11 Jan 2021 15:31:26 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 64986.114978; Mon, 11 Jan 2021 15:31:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kyzAD-0005Qg-Uq; Mon, 11 Jan 2021 15:31:25 +0000 Received: by outflank-mailman (input) for mailman id 64986; Mon, 11 Jan 2021 15:31:24 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kyzAC-0005QT-4W for xen-devel@lists.xenproject.org; Mon, 11 Jan 2021 15:31:24 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 09121355-a799-43c6-a368-ef941e7e8088; Mon, 11 Jan 2021 15:31:23 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 7CF95AE2D; Mon, 11 Jan 2021 15:31:22 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 09121355-a799-43c6-a368-ef941e7e8088 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1610379082; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=TxPk6Krxj1gHeaGu8YFs3l9DxpZNzGZhVt/rwvNokXc=; b=XHUXq143fH/WkrymshWZddIKqdp7HgFwyfOKhsw4eQsyKiJHNwmyYGkn5Gw6xo0KWTcvoL aS53nTGqh3jU3x616Zpc31uU9Ye8dytsWAcqJb5iI2djZwHfKiE0Nv/RvFOFok8jTid5Ar B/1YP/X2PkX+U1ERZWw40ZJrLbFsB8w= Subject: Re: [PATCH] hvmloader: pass PCI MMIO layout to OVMF as an info table To: Igor Druzhinin , Laszlo Ersek Cc: andrew.cooper3@citrix.com, roger.pau@citrix.com, wl@xen.org, iwj@xenproject.org, anthony.perard@citrix.com, xen-devel@lists.xenproject.org References: <1610340812-24397-1-git-send-email-igor.druzhinin@citrix.com> <20b1fe43-370b-9afc-6938-379480908578@redhat.com> From: Jan Beulich Message-ID: Date: Mon, 11 Jan 2021 16:31:21 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 11.01.2021 16:26, Igor Druzhinin wrote: > Another problem that I faced while experimenting is that creating page > tables for 46-bits (that CPUID returned in my case) of address space takes > about a minute on a modern CPU. Which probably isn't fundamentally different from bare metal? Jan