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=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 440B6C433E1 for ; Wed, 15 Jul 2020 14:03:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 0DC9120658 for ; Wed, 15 Jul 2020 14:03:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XgmOrMsB" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0DC9120658 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:51014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jvi0a-0005KQ-8v for qemu-devel@archiver.kernel.org; Wed, 15 Jul 2020 10:03:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43108) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jvi01-0004tg-4V for qemu-devel@nongnu.org; Wed, 15 Jul 2020 10:03:05 -0400 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:30925 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jvhzz-00072E-6r for qemu-devel@nongnu.org; Wed, 15 Jul 2020 10:03:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594821781; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Emw2YgIRz2FKdOmzzPIki5N5g9IjY83QOnXLIsQ0MZA=; b=XgmOrMsBchYClIAu+2FCVzE9p2qZVEhU+S6t/MG7zYkd5Yl38yq4rbAKXgauU4N1gcaPJB cp0WHud1Wvr+H5u7kgmQ1evdj2H0iNcAkjpNFSjs7cIdFtQyHfTXKFWWx879zaaA/1Z/DJ zI8suyMDbpl5q9xrgnUYWPobWzreE7k= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-74-wvcu17j5PRyOyHGpFtWkBg-1; Wed, 15 Jul 2020 10:03:00 -0400 X-MC-Unique: wvcu17j5PRyOyHGpFtWkBg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 319F21005269; Wed, 15 Jul 2020 14:02:59 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-115-89.ams2.redhat.com [10.36.115.89]) by smtp.corp.redhat.com (Postfix) with ESMTP id F41A972E74; Wed, 15 Jul 2020 14:02:52 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id D4F6A9D57; Wed, 15 Jul 2020 16:02:51 +0200 (CEST) Date: Wed, 15 Jul 2020 16:02:51 +0200 From: Gerd Hoffmann To: Igor Mammedov Subject: Re: [RFC PATCH 3/5] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to q35 Message-ID: <20200715140251.duv5j7uxqlqitfrn@sirius.home.kraxel.org> References: <20200708224615.114077-1-jusual@redhat.com> <20200708224615.114077-4-jusual@redhat.com> <20200713163954.565722a5@redhat.com> <20200715065751.ogchtdqmnn7cxsyi@sirius.home.kraxel.org> <20200715151720.21789077@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200715151720.21789077@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=205.139.110.61; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/15 02:37:03 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -40 X-Spam_score: -4.1 X-Spam_bar: ---- X-Spam_report: (-4.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Julia Suvorova , qemu-devel@nongnu.org, "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" > > While being at it: Shouldn't we reserve these port ranges somehow? > > Using an acpi device for example, simliar to fw_cfg? The guest OS > > should better know there is something at those ports ... > > we do it at ACPI level in DSDT, look for comment > /* reserve PCIHP resources */ Ah, good. > It should make Windows trip over in case of another range overlap with > reserved ports. (linux kernel is more tolerant and may silently ignore > or print a warning) Hmm, linux doesn't list the device, can't see it neither in the kernel log nor in /proc/ioports ... take care, Gerd