From nobody Thu Nov 13 22:08:31 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1582719812; cv=none; d=zohomail.com; s=zohoarc; b=nb+lOc2y3h+axxlGlbnhjvZB4MXJ1r2/f6IOe+/XJrwPalfkheGLGdJgjOiHi0JwI0rRGTbETVMgJav1a/JxzucV/GLgiwBLOmVKKM4XFIjvVFSIWiE6W4O1W2JJvN7J6ZgV/JIl8as2N3lQWqE8ba7uAsEwhpETuDd6aQGoh5U= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1582719812; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=MF2kqRWDlqXFVsTQFLflmybOeZjf1tQbghIZQpFPjDI=; b=Duk2ewvgdOu3D8mz//ZsQSWww1/dvSpeqPK1QAabmZINXf+jhlYkG4EizcpcictcubAezpLT+IZg4RqMtKPBwzWz9BkKCSU43JjPH9hvb48KYFfEy/lN6y7DBj0qyG/l2mGmcG6yTk6TT1vrSQuQMFF9APcJ0tXhYlWv2teqae0= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1582719812809562.8084300378619; Wed, 26 Feb 2020 04:23:32 -0800 (PST) Received: from localhost ([::1]:43480 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6vit-0007Qk-Mq for importer@patchew.org; Wed, 26 Feb 2020 07:23:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53322) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j6vgQ-0002Lt-Uo for qemu-devel@nongnu.org; Wed, 26 Feb 2020 07:20:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j6vgP-0007s4-P0 for qemu-devel@nongnu.org; Wed, 26 Feb 2020 07:20:58 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:52198) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j6vgP-0007qP-HR for qemu-devel@nongnu.org; Wed, 26 Feb 2020 07:20:57 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01QCJJ6Y021601 for ; Wed, 26 Feb 2020 07:20:56 -0500 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2ydqbsjhk7-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 26 Feb 2020 07:20:56 -0500 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 26 Feb 2020 12:20:52 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 01QCKpJn57344252 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 26 Feb 2020 12:20:51 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A5E6011C064; Wed, 26 Feb 2020 12:20:51 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EABDC11C05B; Wed, 26 Feb 2020 12:20:50 +0000 (GMT) Received: from localhost.localdomain (unknown [9.152.224.212]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 26 Feb 2020 12:20:50 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v5 07/18] s390x: protvirt: Inhibit balloon when switching to protected mode Date: Wed, 26 Feb 2020 07:20:27 -0500 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200226122038.61481-1-frankja@linux.ibm.com> References: <20200226122038.61481-1-frankja@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 x-cbid: 20022612-0020-0000-0000-000003ADC035 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20022612-0021-0000-0000-00002205DAF8 Message-Id: <20200226122038.61481-8-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-26_04:2020-02-26, 2020-02-26 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 phishscore=0 impostorscore=0 suspectscore=1 adultscore=0 mlxscore=0 mlxlogscore=856 clxscore=1015 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002260092 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: borntraeger@de.ibm.com, qemu-s390x@nongnu.org, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Ballooning in protected VMs can only be done when the guest shares the pages it gives to the host. Hence, until we have a solution for this in the guest kernel, we inhibit ballooning when switching into protected mode and reverse that once we move out of it. Signed-off-by: Janosch Frank Reviewed-by: David Hildenbrand --- hw/s390x/s390-virtio-ccw.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 9983165b05..0f4455d1df 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -41,6 +41,7 @@ #include "hw/qdev-properties.h" #include "hw/s390x/tod.h" #include "sysemu/sysemu.h" +#include "sysemu/balloon.h" #include "hw/s390x/pv.h" #include "migration/blocker.h" =20 @@ -336,6 +337,7 @@ static void s390_machine_unprotect(S390CcwMachineState = *ms) ms->pv =3D false; } migrate_del_blocker(pv_mig_blocker); + qemu_balloon_inhibit(false); } =20 static int s390_machine_protect(S390CcwMachineState *ms) @@ -344,6 +346,7 @@ static int s390_machine_protect(S390CcwMachineState *ms) CPUState *t; int rc; =20 + qemu_balloon_inhibit(true); if (!pv_mig_blocker) { error_setg(&pv_mig_blocker, "protected VMs are currently not migrateable."); --=20 2.20.1