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=-5.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 046C7C4363D for ; Fri, 25 Sep 2020 14:15:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7EB1208A9 for ; Fri, 25 Sep 2020 14:15:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cyMZqkEs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728199AbgIYOPC (ORCPT ); Fri, 25 Sep 2020 10:15:02 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:37169 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728121AbgIYOPB (ORCPT ); Fri, 25 Sep 2020 10:15:01 -0400 Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1601043301; 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=2R3iNk7E6LuL+FhjbAyC15TLO61WWZH3nk3G89jYXq0=; b=cyMZqkEsv4jhpg5nHtzpp66hZ7Et+Hn1KJICqYDXmsejk4D4Lrl7wa7vFe3o15CQJEqHeb Imk8tWlz2cGopBb7wkXUFvctSA4liIRuIwGh0+EV+UwoqShBdCMPJ2OHc3Jvi1+cZAhuf8 g5DIFB3/qSQ68OI6rcUWrO6h3DcktO4= 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-45-W2P_d5LuO86xM8tPcyjomw-1; Fri, 25 Sep 2020 10:14:55 -0400 X-MC-Unique: W2P_d5LuO86xM8tPcyjomw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E34ED195D564; Fri, 25 Sep 2020 14:14:53 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-85.ams2.redhat.com [10.36.112.85]) by smtp.corp.redhat.com (Postfix) with ESMTP id AEFC65576F; Fri, 25 Sep 2020 14:14:47 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id BCB7016E0A; Fri, 25 Sep 2020 16:14:46 +0200 (CEST) Date: Fri, 25 Sep 2020 16:14:46 +0200 From: Gerd Hoffmann To: "Michael S. Tsirkin" Cc: Jean-Philippe Brucker , iommu@lists.linux-foundation.org, virtualization@lists.linux-foundation.org, virtio-dev@lists.oasis-open.org, linux-pci@vger.kernel.org, joro@8bytes.org, bhelgaas@google.com, jasowang@redhat.com, kevin.tian@intel.com, sebastien.boeuf@intel.com, eric.auger@redhat.com, lorenzo.pieralisi@arm.com Subject: Re: [virtio-dev] Re: [PATCH v3 0/6] Add virtio-iommu built-in topology Message-ID: <20200925141446.63iwheqdrqxl3puo@sirius.home.kraxel.org> References: <20200821131540.2801801-1-jean-philippe@linaro.org> <20200925084806.GB490533@myrica> <20200925062230-mutt-send-email-mst@kernel.org> <20200925112629.GA1337555@myrica> <20200925094405-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200925094405-mutt-send-email-mst@kernel.org> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Hi, > Many power platforms are OF based, thus without ACPI or DT support. pseries has lots of stuff below /proc/device-tree. Dunno whenever that is the same kind of device tree we have on arm ... take care, Gerd