Message ID | 20200309085126.3334302-22-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 C306514B7 for <patchwork-kvm@patchwork.kernel.org>; Mon, 9 Mar 2020 08:52:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ADE7B20828 for <patchwork-kvm@patchwork.kernel.org>; Mon, 9 Mar 2020 08:52:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726937AbgCIIwU (ORCPT <rfc822;patchwork-kvm@patchwork.kernel.org>); Mon, 9 Mar 2020 04:52:20 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:33946 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726638AbgCIIvn (ORCPT <rfc822;kvm@vger.kernel.org>); Mon, 9 Mar 2020 04:51:43 -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 0298pSMN050568 for <kvm@vger.kernel.org>; Mon, 9 Mar 2020 04:51:41 -0400 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ym6n1ex03-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for <kvm@vger.kernel.org>; Mon, 09 Mar 2020 04:51:41 -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 08:51:39 -0000 Received: from b06cxnps3075.portsmouth.uk.ibm.com (9.149.109.195) 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 08:51:36 -0000 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0298pYie62914798 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 9 Mar 2020 08:51:35 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D9F335204F; Mon, 9 Mar 2020 08:51:34 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id C459552054; Mon, 9 Mar 2020 08:51:34 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 25651) id 8C0DFE0251; Mon, 9 Mar 2020 09:51:34 +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 21/36] KVM: s390: protvirt: Write sthyi data to instruction data area Date: Mon, 9 Mar 2020 09:51:11 +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: 20030908-0016-0000-0000-000002EE810D X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030908-0017-0000-0000-00003351DF4D Message-Id: <20200309085126.3334302-22-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=2 mlxlogscore=999 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 f907715d9479..6d5e486c82d5 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -392,7 +392,7 @@ int handle_sthyi(struct kvm_vcpu *vcpu) goto out; } - if (addr & ~PAGE_MASK) + if (!kvm_s390_pv_cpu_is_protected(vcpu) && (addr & ~PAGE_MASK)) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); sctns = (void *)get_zeroed_page(GFP_KERNEL); @@ -403,10 +403,15 @@ int handle_sthyi(struct kvm_vcpu *vcpu) out: if (!cc) { - r = write_guest(vcpu, addr, reg2, sctns, PAGE_SIZE); - if (r) { - free_page((unsigned long)sctns); - return kvm_s390_inject_prog_cond(vcpu, r); + if (kvm_s390_pv_cpu_is_protected(vcpu)) { + memcpy((void *)(sida_origin(vcpu->arch.sie_block)), + sctns, PAGE_SIZE); + } else { + r = write_guest(vcpu, addr, reg2, sctns, PAGE_SIZE); + if (r) { + free_page((unsigned long)sctns); + return kvm_s390_inject_prog_cond(vcpu, r); + } } }