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{ "id": 814326, "url": "http://patchwork.ozlabs.org/api/covers/814326/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170915163952.32147-1-cohuck@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170915163952.32147-1-cohuck@redhat.com>", "list_archive_url": null, "date": "2017-09-15T16:39:51", "name": "[RFC,v2,0/1] s390x: pci compat handling", "submitter": { "id": 71914, "url": "http://patchwork.ozlabs.org/api/people/71914/?format=api", "name": "Cornelia Huck", "email": "cohuck@redhat.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20170915163952.32147-1-cohuck@redhat.com/mbox/", "series": [ { "id": 3333, "url": "http://patchwork.ozlabs.org/api/series/3333/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3333", "date": "2017-09-15T16:39:51", "name": "s390x: pci compat handling", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/3333/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/814326/comments/", "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx06.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx06.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=cohuck@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xv1Nk5kbQz9s7B\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat, 16 Sep 2017 02:40:37 +1000 (AEST)", "from localhost ([::1]:54216 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dstfP-0004fn-Au\n\tfor incoming@patchwork.ozlabs.org; Fri, 15 Sep 2017 12:40:35 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:43691)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <cohuck@redhat.com>) id 1dstes-0004fO-5I\n\tfor qemu-devel@nongnu.org; Fri, 15 Sep 2017 12:40:03 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <cohuck@redhat.com>) id 1dstep-00071J-Ja\n\tfor qemu-devel@nongnu.org; Fri, 15 Sep 2017 12:40:02 -0400", "from mx1.redhat.com ([209.132.183.28]:47982)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <cohuck@redhat.com>) id 1dstep-00070H-DQ\n\tfor qemu-devel@nongnu.org; Fri, 15 Sep 2017 12:39:59 -0400", "from smtp.corp.redhat.com\n\t(int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 28A2C356FC;\n\tFri, 15 Sep 2017 16:39:57 +0000 (UTC)", "from localhost (ovpn-116-44.ams2.redhat.com [10.36.116.44])\n\tby smtp.corp.redhat.com (Postfix) with ESMTPS id BBF8317F29;\n\tFri, 15 Sep 2017 16:39:54 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com 28A2C356FC", "From": "Cornelia Huck <cohuck@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Fri, 15 Sep 2017 18:39:51 +0200", "Message-Id": "<20170915163952.32147-1-cohuck@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.13", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.30]);\n\tFri, 15 Sep 2017 16:39:57 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH RFC v2 0/1] s390x: pci compat handling", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "thuth@redhat.com, zyimin@linux.vnet.ibm.com, david@redhat.com,\n\tCornelia Huck <cohuck@redhat.com>, pmorel@linux.vnet.ibm.com,\n\tagraf@suse.de, borntraeger@de.ibm.com, pasic@linux.vnet.ibm.com", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "As David has identified the reason why only 2.7 and older are affected\n(thanks!), we can fix migration of these machines by unconditionally\nproviding the zpci feature bit if cpu models are off.\n\nStill RFC, as I have only sniff-tested it.\n\nWe still need to think about what to do with compat machines on pci-less\nbuilds. Probably we should disable compat machines (at least 2.7 and older)\non those builds. Not a pressing issue, as switching off CONFIG_PCI needs\nto be done manually.\n\nChanges RFC -> RFC v2:\n- switch from machine class property to enabling zpci bit for non-cpu model\n compat machines\n\nCornelia Huck (1):\n s390x/ccw: create s390 phb for compat reasons as well\n\n hw/s390x/s390-virtio-ccw.c | 2 ++\n target/s390x/cpu_models.c | 3 +++\n 2 files changed, 5 insertions(+)" }