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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 3DA66C33CAC for ; Mon, 3 Feb 2020 13:20:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1AEAA2084E for ; Mon, 3 Feb 2020 13:20:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728392AbgBCNU2 (ORCPT ); Mon, 3 Feb 2020 08:20:28 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:10948 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728351AbgBCNU1 (ORCPT ); Mon, 3 Feb 2020 08:20:27 -0500 Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 013DICs2080982 for ; Mon, 3 Feb 2020 08:20:26 -0500 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xxm9cr23x-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 03 Feb 2020 08:20:26 -0500 Received: from m0187473.ppops.net (m0187473.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 013DIGt2082424 for ; Mon, 3 Feb 2020 08:20:25 -0500 Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0a-001b2d01.pphosted.com with ESMTP id 2xxm9cr229-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 03 Feb 2020 08:20:25 -0500 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id 013DKFeI014501; Mon, 3 Feb 2020 13:20:23 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma03dal.us.ibm.com with ESMTP id 2xw0y7592w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 03 Feb 2020 13:20:23 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 013DKLAj23527696 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 3 Feb 2020 13:20:21 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2E91E2805E; Mon, 3 Feb 2020 13:20:21 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2176428074; Mon, 3 Feb 2020 13:20:21 +0000 (GMT) Received: from localhost.localdomain (unknown [9.114.17.106]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Mon, 3 Feb 2020 13:20:21 +0000 (GMT) From: Christian Borntraeger To: Christian Borntraeger , Janosch Frank Cc: KVM , Cornelia Huck , David Hildenbrand , Thomas Huth , Ulrich Weigand , Claudio Imbrenda , Andrea Arcangeli Subject: [RFCv2 32/37] KVM: s390: protvirt: Report CPU state to Ultravisor Date: Mon, 3 Feb 2020 08:19:52 -0500 Message-Id: <20200203131957.383915-33-borntraeger@de.ibm.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200203131957.383915-1-borntraeger@de.ibm.com> References: <20200203131957.383915-1-borntraeger@de.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-03_04:2020-02-02,2020-02-03 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 mlxlogscore=817 lowpriorityscore=0 malwarescore=0 priorityscore=1501 impostorscore=0 spamscore=0 phishscore=0 clxscore=1015 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1911200001 definitions=main-2002030099 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Janosch Frank VCPU states have to be reported to the ultravisor for SIGP interpretation. Signed-off-by: Janosch Frank --- arch/s390/kvm/kvm-s390.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 3ab5091ded6c..da8aeb24362a 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -4434,7 +4434,8 @@ void kvm_s390_vcpu_start(struct kvm_vcpu *vcpu) */ __disable_ibs_on_all_vcpus(vcpu->kvm); } - + /* Let's tell the UV that we want to start again */ + kvm_s390_pv_set_cpu_state(vcpu, PV_CPU_STATE_OPR); kvm_s390_clear_cpuflags(vcpu, CPUSTAT_STOPPED); /* * Another VCPU might have used IBS while we were offline. @@ -4462,6 +4463,8 @@ void kvm_s390_vcpu_stop(struct kvm_vcpu *vcpu) kvm_s390_clear_stop_irq(vcpu); kvm_s390_set_cpuflags(vcpu, CPUSTAT_STOPPED); + /* Let's tell the UV that we successfully stopped the vcpu */ + kvm_s390_pv_set_cpu_state(vcpu, PV_CPU_STATE_STP); __disable_ibs_on_vcpu(vcpu); for (i = 0; i < online_vcpus; i++) { -- 2.24.0