Message ID | 20200309085126.3334302-17-borntraeger@de.ibm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=BDOO=42=vger.kernel.org=kvm-owner@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1589914E3 for <patchwork-kvm@patchwork.kernel.org>; Mon, 9 Mar 2020 08:52:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F05A720727 for <patchwork-kvm@patchwork.kernel.org>; Mon, 9 Mar 2020 08:52:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726803AbgCIIwY (ORCPT <rfc822;patchwork-kvm@patchwork.kernel.org>); Mon, 9 Mar 2020 04:52:24 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:57752 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726632AbgCIIvl (ORCPT <rfc822;kvm@vger.kernel.org>); Mon, 9 Mar 2020 04:51:41 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0298pSZf050559 for <kvm@vger.kernel.org>; Mon, 9 Mar 2020 04:51:40 -0400 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ym6n1ewy3-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for <kvm@vger.kernel.org>; Mon, 09 Mar 2020 04:51:39 -0400 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for <kvm@vger.kernel.org> from <borntraeger@de.ibm.com>; Mon, 9 Mar 2020 08:51:38 -0000 Received: from b06cxnps4075.portsmouth.uk.ibm.com (9.149.109.197) by e06smtp04.uk.ibm.com (192.168.101.134) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 9 Mar 2020 08:51:34 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0298pXCs50725000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 9 Mar 2020 08:51:33 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 102DDAE057; Mon, 9 Mar 2020 08:51:33 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F2415AE053; Mon, 9 Mar 2020 08:51:32 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 9 Mar 2020 08:51:32 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 25651) id B3249E0251; Mon, 9 Mar 2020 09:51:32 +0100 (CET) From: Christian Borntraeger <borntraeger@de.ibm.com> To: Paolo Bonzini <pbonzini@redhat.com> Cc: KVM <kvm@vger.kernel.org>, Janosch Frank <frankja@linux.vnet.ibm.com>, David Hildenbrand <david@redhat.com>, Claudio Imbrenda <imbrenda@linux.ibm.com>, Cornelia Huck <cohuck@redhat.com>, Michael Mueller <mimu@linux.ibm.com>, Vasily Gorbik <gor@linux.ibm.com>, Ulrich Weigand <uweigand@de.ibm.com>, linux-s390 <linux-s390@vger.kernel.org>, Heiko Carstens <heiko.carstens@de.ibm.com> Subject: [GIT PULL 16/36] KVM: s390: protvirt: Handle spec exception loops Date: Mon, 9 Mar 2020 09:51:06 +0100 X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200309085126.3334302-1-borntraeger@de.ibm.com> References: <20200309085126.3334302-1-borntraeger@de.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 20030908-0016-0000-0000-000002EE8107 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030908-0017-0000-0000-00003351DF49 Message-Id: <20200309085126.3334302-17-borntraeger@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-03-09_02:2020-03-06,2020-03-09 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=699 mlxscore=0 phishscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 adultscore=0 impostorscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003090066 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: <kvm.vger.kernel.org> X-Mailing-List: kvm@vger.kernel.org |
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[GIT,PULL,01/36] s390/protvirt: introduce host side setup
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diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index 00a79442a428..331e620dcfdf 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -231,6 +231,13 @@ static int handle_prog(struct kvm_vcpu *vcpu) vcpu->stat.exit_program_interruption++; + /* + * Intercept 8 indicates a loop of specification exceptions + * for protected guests. + */ + if (kvm_s390_pv_cpu_is_protected(vcpu)) + return -EOPNOTSUPP; + if (guestdbg_enabled(vcpu) && per_event(vcpu)) { rc = kvm_s390_handle_per_event(vcpu); if (rc)