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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 12 Mar 2020 08:42:56 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 02C8gtSf47972510 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 12 Mar 2020 08:42:55 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C2B2B52050; Thu, 12 Mar 2020 08:42:55 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.152.224.141]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 8EA785204F; Thu, 12 Mar 2020 08:42:55 +0000 (GMT) Subject: Re: [PATCH v9 03/15] s390x: protvirt: Add migration blocker To: Janosch Frank , qemu-devel@nongnu.org References: <20200311132151.172389-1-frankja@linux.ibm.com> <20200311132151.172389-4-frankja@linux.ibm.com> From: Christian Borntraeger Autocrypt: addr=borntraeger@de.ibm.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200311132151.172389-4-frankja@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 20031208-0008-0000-0000-0000035BFAB5 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20031208-0009-0000-0000-00004A7D43A5 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-12_01:2020-03-11, 2020-03-12 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=845 priorityscore=1501 impostorscore=0 adultscore=0 clxscore=1015 spamscore=0 bulkscore=0 phishscore=0 suspectscore=2 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003120046 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 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: qemu-s390x@nongnu.org, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 11.03.20 14:21, Janosch Frank wrote: > Migration is not yet supported. > > Signed-off-by: Janosch Frank > Reviewed-by: David Hildenbrand > --- > hw/s390x/s390-virtio-ccw.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c > index 9569b777a0e1abd6..deb31e060052d279 100644 > --- a/hw/s390x/s390-virtio-ccw.c > +++ b/hw/s390x/s390-virtio-ccw.c > @@ -42,6 +42,9 @@ > #include "hw/s390x/tod.h" > #include "sysemu/sysemu.h" > #include "hw/s390x/pv.h" > +#include "migration/blocker.h" > + > +static Error *pv_mig_blocker; > > S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) > { > @@ -321,15 +324,30 @@ static void s390_machine_unprotect(S390CcwMachineState *ms) > { > s390_pv_vm_disable(); > ms->pv = false; > + migrate_del_blocker(pv_mig_blocker); > + error_free_or_abort(&pv_mig_blocker); > } > > static int s390_machine_protect(S390CcwMachineState *ms) > { > + Error *local_err = NULL; > int rc; > > + error_setg(&pv_mig_blocker, > + "protected VMs are currently not migrateable."); > + rc = migrate_add_blocker(pv_mig_blocker, &local_err); > + if (local_err) { Shall we rather use rc here? local_err should also work I guess. Anyway Reviewed-by: Christian Borntraeger > + error_report_err(local_err); > + error_free_or_abort(&pv_mig_blocker); > + return rc; > + } > + > /* Create SE VM */ > rc = s390_pv_vm_enable(); > if (rc) { > + error_report_err(local_err); > + migrate_del_blocker(pv_mig_blocker); > + error_free_or_abort(&pv_mig_blocker); > return rc; > } > >