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=-6.5 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,URIBL_BLOCKED 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 1CB7CC432BE for ; Thu, 26 Aug 2021 11:38:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EF625610A6 for ; Thu, 26 Aug 2021 11:38:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242204AbhHZLjP (ORCPT ); Thu, 26 Aug 2021 07:39:15 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:38237 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233829AbhHZLjJ (ORCPT ); Thu, 26 Aug 2021 07:39:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1629977902; 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=u2PgJEZnx+tvPMvdEmrhLWHjONlR24wEnc+tJpOhAl4=; b=c4oKzQkPu02ZgIsu0SxI7v3GA7qseI1kF556UX2tFLaLyRbrk7KHCHbLAQYVKRFzkpAncY OVnk/KjedZTIhbZ0LsjD83sYfR5bLyQ9PaNco4Z2wJgHm0v+LwnEMQDZAT15mo+tHNlbIp vy3aIqPNPbf8wkjZ6SZ2R/CpkHgGJzE= 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-365-nvOca9XMPpCswdwQfpBtsQ-1; Thu, 26 Aug 2021 07:38:20 -0400 X-MC-Unique: nvOca9XMPpCswdwQfpBtsQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0B8DA193F560; Thu, 26 Aug 2021 11:38:19 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.192.91]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A3B56100238C; Thu, 26 Aug 2021 11:38:15 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 0141218003AA; Thu, 26 Aug 2021 13:38:13 +0200 (CEST) Date: Thu, 26 Aug 2021 13:38:13 +0200 From: Gerd Hoffmann To: isaku.yamahata@gmail.com Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, alistair@alistair23.me, ehabkost@redhat.com, marcel.apfelbaum@gmail.com, mst@redhat.com, cohuck@redhat.com, mtosatti@redhat.com, xiaoyao.li@intel.com, seanjc@google.com, erdemaktas@google.com, kvm@vger.kernel.org, isaku.yamahata@intel.com, Isaku Yamahata , Sean Christopherson Subject: Re: [RFC PATCH v2 27/44] q35: Introduce smm_ranges property for q35-pci-host Message-ID: <20210826113813.gfxnnpn6i5kdu2wg@sirius.home.kraxel.org> References: <32a79698d8c585cbf34e92d558ef9250ebba85ab.1625704981.git.isaku.yamahata@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <32a79698d8c585cbf34e92d558ef9250ebba85ab.1625704981.git.isaku.yamahata@intel.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Wed, Jul 07, 2021 at 05:54:57PM -0700, isaku.yamahata@gmail.com wrote: > From: Isaku Yamahata > > Add a q35 property to check whether or not SMM ranges, e.g. SMRAM, TSEG, > etc... exist for the target platform. TDX doesn't support SMM and doesn't > play nice with QEMU modifying related guest memory ranges. "qemu -M q35,smm=off" doesn't work? If so: what is the exact problem? take care, Gerd 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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 00E41C432BE for ; Thu, 26 Aug 2021 11:40:52 +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 7C6706102A for ; Thu, 26 Aug 2021 11:40:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7C6706102A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:51716 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mJDkY-0008Ey-NY for qemu-devel@archiver.kernel.org; Thu, 26 Aug 2021 07:40:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54452) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mJDiC-0007O8-1D for qemu-devel@nongnu.org; Thu, 26 Aug 2021 07:38:24 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:32680) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mJDiA-0002m2-L3 for qemu-devel@nongnu.org; Thu, 26 Aug 2021 07:38:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1629977902; 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=u2PgJEZnx+tvPMvdEmrhLWHjONlR24wEnc+tJpOhAl4=; b=c4oKzQkPu02ZgIsu0SxI7v3GA7qseI1kF556UX2tFLaLyRbrk7KHCHbLAQYVKRFzkpAncY OVnk/KjedZTIhbZ0LsjD83sYfR5bLyQ9PaNco4Z2wJgHm0v+LwnEMQDZAT15mo+tHNlbIp vy3aIqPNPbf8wkjZ6SZ2R/CpkHgGJzE= 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-365-nvOca9XMPpCswdwQfpBtsQ-1; Thu, 26 Aug 2021 07:38:20 -0400 X-MC-Unique: nvOca9XMPpCswdwQfpBtsQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0B8DA193F560; Thu, 26 Aug 2021 11:38:19 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.192.91]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A3B56100238C; Thu, 26 Aug 2021 11:38:15 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 0141218003AA; Thu, 26 Aug 2021 13:38:13 +0200 (CEST) Date: Thu, 26 Aug 2021 13:38:13 +0200 From: Gerd Hoffmann To: isaku.yamahata@gmail.com Subject: Re: [RFC PATCH v2 27/44] q35: Introduce smm_ranges property for q35-pci-host Message-ID: <20210826113813.gfxnnpn6i5kdu2wg@sirius.home.kraxel.org> References: <32a79698d8c585cbf34e92d558ef9250ebba85ab.1625704981.git.isaku.yamahata@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <32a79698d8c585cbf34e92d558ef9250ebba85ab.1625704981.git.isaku.yamahata@intel.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.742, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, 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: isaku.yamahata@intel.com, cohuck@redhat.com, ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com, seanjc@google.com, alistair@alistair23.me, xiaoyao.li@intel.com, qemu-devel@nongnu.org, Sean Christopherson , mtosatti@redhat.com, erdemaktas@google.com, pbonzini@redhat.com, Isaku Yamahata Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, Jul 07, 2021 at 05:54:57PM -0700, isaku.yamahata@gmail.com wrote: > From: Isaku Yamahata > > Add a q35 property to check whether or not SMM ranges, e.g. SMRAM, TSEG, > etc... exist for the target platform. TDX doesn't support SMM and doesn't > play nice with QEMU modifying related guest memory ranges. "qemu -M q35,smm=off" doesn't work? If so: what is the exact problem? take care, Gerd