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GET /api/patches/817388/?format=api
{ "id": 817388, "url": "http://patchwork.ozlabs.org/api/patches/817388/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170922083855.102341-2-borntraeger@de.ibm.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": "<20170922083855.102341-2-borntraeger@de.ibm.com>", "list_archive_url": null, "date": "2017-09-22T08:38:53", "name": "[PATCH/RFC,1/3] s390x/ais: disable ais facility as it is broken", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b6a2cc9c70bf338c79891dd3ec1316dabcb3d755", "submitter": { "id": 590, "url": "http://patchwork.ozlabs.org/api/people/590/?format=api", "name": "Christian Borntraeger", "email": "borntraeger@de.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170922083855.102341-2-borntraeger@de.ibm.com/mbox/", "series": [ { "id": 4570, "url": "http://patchwork.ozlabs.org/api/series/4570/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=4570", "date": "2017-09-22T08:38:54", "name": "ais fixups for 2.11", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/4570/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/817388/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/817388/checks/", "tags": {}, "related": [], "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>)", "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 3xz6Q30vrRz9sBd\n\tfor <incoming@patchwork.ozlabs.org>;\n\tFri, 22 Sep 2017 18:40:59 +1000 (AEST)", "from localhost ([::1]:57360 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 1dvJW5-0006TJ-7B\n\tfor incoming@patchwork.ozlabs.org; Fri, 22 Sep 2017 04:40:57 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:51352)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <borntraeger@de.ibm.com>) id 1dvJUM-0005TA-Iu\n\tfor qemu-devel@nongnu.org; Fri, 22 Sep 2017 04:39:11 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <borntraeger@de.ibm.com>) id 1dvJUJ-0003uX-Ff\n\tfor qemu-devel@nongnu.org; Fri, 22 Sep 2017 04:39:10 -0400", "from mx0a-001b2d01.pphosted.com ([148.163.156.1]:51236)\n\tby eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <borntraeger@de.ibm.com>)\n\tid 1dvJUJ-0003tl-6W\n\tfor qemu-devel@nongnu.org; Fri, 22 Sep 2017 04:39:07 -0400", "from pps.filterd (m0098396.ppops.net [127.0.0.1])\n\tby mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv8M8cwID093334\n\tfor <qemu-devel@nongnu.org>; Fri, 22 Sep 2017 04:39:02 -0400", "from e06smtp14.uk.ibm.com (e06smtp14.uk.ibm.com [195.75.94.110])\n\tby mx0a-001b2d01.pphosted.com with ESMTP id 2d4xnn1k9e-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor <qemu-devel@nongnu.org>; Fri, 22 Sep 2017 04:39:02 -0400", "from localhost\n\tby e06smtp14.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! Violators will be prosecuted\n\tfor <qemu-devel@nongnu.org> from <borntraeger@de.ibm.com>;\n\tFri, 22 Sep 2017 09:38:59 +0100", "from b06cxnps4076.portsmouth.uk.ibm.com (9.149.109.198)\n\tby e06smtp14.uk.ibm.com (192.168.101.144) with IBM ESMTP SMTP\n\tGateway: Authorized Use Only! Violators will be prosecuted; \n\tFri, 22 Sep 2017 09:38:56 +0100", "from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60])\n\tby b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with\n\tESMTP id v8M8cuZF12452092; Fri, 22 Sep 2017 08:38:56 GMT", "from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id CDD1342042;\n\tFri, 22 Sep 2017 09:35:04 +0100 (BST)", "from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id BC75742041;\n\tFri, 22 Sep 2017 09:35:04 +0100 (BST)", "from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9])\n\tby d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTPS;\n\tFri, 22 Sep 2017 09:35:04 +0100 (BST)", "by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 25651)\n\tid D846A20F62D; Fri, 22 Sep 2017 10:38:55 +0200 (CEST)" ], "From": "Christian Borntraeger <borntraeger@de.ibm.com>", "To": "Cornelia Huck <cohuck@redhat.com>", "Date": "Fri, 22 Sep 2017 10:38:53 +0200", "X-Mailer": "git-send-email 2.9.4", "In-Reply-To": "<20170922083855.102341-1-borntraeger@de.ibm.com>", "References": "<20170922083855.102341-1-borntraeger@de.ibm.com>", "X-TM-AS-GCONF": "00", "x-cbid": "17092208-0016-0000-0000-000004EF3F67", "X-IBM-AV-DETECTION": "SAVI=unused REMOTE=unused XFE=unused", "x-cbparentid": "17092208-0017-0000-0000-000028297FCA", "Message-Id": "<20170922083855.102341-2-borntraeger@de.ibm.com>", "X-Proofpoint-Virus-Version": "vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-09-22_02:, , signatures=0", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n\tspamscore=0 suspectscore=0\n\tmalwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam\n\tadjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000\n\tdefinitions=main-1709220120", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy]", "X-Received-From": "148.163.156.1", "Subject": "[Qemu-devel] [PATCH/RFC 1/3] s390x/ais: disable ais facility as it\n\tis broken", "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": "Halil Pasic <pasic@linux.vnet.ibm.com>,\n\tYi Min Zhao <zyimin@linux.vnet.ibm.com>,\n\tDavid Hildenbrand <david@redhat.com>,\n\tqemu-devel <qemu-devel@nongnu.org>, Alexander Graf <agraf@suse.de>,\n\tChristian Borntraeger <borntraeger@de.ibm.com>,\n\t\"Jason J . Herne\" <jjherne@linux.vnet.ibm.com>,\n\tRichard Henderson <rth@twiddle.net>", "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": "The migration interface for ais was introduced with kernel 4.13\nbut the capability itself had been active since 4.12. As migration\nsupport is considered necessary lets disable ais in the 2.10\nstable version. A proper fix and re-enablement will be done\nfor qemu 2.11.\n\nSigned-off-by: Christian Borntraeger <borntraeger@de.ibm.com>\nReviewed-by: Cornelia Huck <cohuck@redhat.com>\n---\n target/s390x/kvm.c | 9 +++++++--\n 1 file changed, 7 insertions(+), 2 deletions(-)", "diff": "diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c\nindex 720cb1d..ebb75ca 100644\n--- a/target/s390x/kvm.c\n+++ b/target/s390x/kvm.c\n@@ -311,8 +311,13 @@ int kvm_arch_init(MachineState *ms, KVMState *s)\n }\n }\n \n- /* Try to enable AIS facility */\n- kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0);\n+ /*\n+ * The migration interface for ais was introduced with kernel 4.13\n+ * but the capability itself had been active since 4.12. As migration\n+ * support is considered necessary let's disable ais in the 2.10\n+ * machine.\n+ */\n+ /* kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0); */\n \n qemu_mutex_init(&qemu_sigp_mutex);\n \n", "prefixes": [ "PATCH/RFC", "1/3" ] }