From patchwork Mon Nov 25 09:03:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janosch Frank X-Patchwork-Id: 1200305 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47M1MD4S75z9sPJ for ; Mon, 25 Nov 2019 20:04:54 +1100 (AEDT) Received: from localhost ([::1]:41508 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZAId-00086O-4U for incoming@patchwork.ozlabs.org; Mon, 25 Nov 2019 04:04:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:54967) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iZAHs-00085p-03 for qemu-devel@nongnu.org; Mon, 25 Nov 2019 04:04:04 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iZAHq-0000B8-Ro for qemu-devel@nongnu.org; Mon, 25 Nov 2019 04:04:03 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:45532) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iZAHq-0000Af-JX for qemu-devel@nongnu.org; Mon, 25 Nov 2019 04:04:02 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xAP8ucpg144817 for ; Mon, 25 Nov 2019 04:04:01 -0500 Received: from e06smtp07.uk.ibm.com (e06smtp07.uk.ibm.com [195.75.94.103]) by mx0a-001b2d01.pphosted.com with ESMTP id 2wf267g183-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 25 Nov 2019 04:04:01 -0500 Received: from localhost by e06smtp07.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) Mon, 25 Nov 2019 09:03:56 -0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xAP93tW311272432 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 25 Nov 2019 09:03:55 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 32C5A42041; Mon, 25 Nov 2019 09:03:55 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 18E1D42042; Mon, 25 Nov 2019 09:03:54 +0000 (GMT) Received: from localhost.localdomain (unknown [9.152.224.205]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 25 Nov 2019 09:03:53 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH v3 1/5] s390x: Don't do a normal reset on the initial cpu Date: Mon, 25 Nov 2019 04:03:44 -0500 X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191125090348.27010-1-frankja@linux.ibm.com> References: <20191125090348.27010-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19112509-0028-0000-0000-000003BF20D3 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19112509-0029-0000-0000-0000248253B3 Message-Id: <20191125090348.27010-2-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95, 18.0.572 definitions=2019-11-25_02:2019-11-21, 2019-11-25 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 impostorscore=0 mlxscore=0 adultscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 suspectscore=1 phishscore=0 bulkscore=0 priorityscore=1501 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911250084 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] 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: thuth@redhat.com, pmorel@linux.ibm.com, david@redhat.com, cohuck@redhat.com, borntraeger@de.ibm.com, qemu-s390x@nongnu.org, mihajlov@linux.ibm.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The initiating cpu needs to be reset with an initial reset. While doing a normal reset followed by a initial reset is not wrong per se, the Ultravisor will only allow the correct reset to be performed. Signed-off-by: Janosch Frank Reviewed-by: David Hildenbrand Reviewed-by: Cornelia Huck --- 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 d3edeef0ad..c1d1440272 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -348,6 +348,9 @@ static void s390_machine_reset(MachineState *machine) break; case S390_RESET_LOAD_NORMAL: CPU_FOREACH(t) { + if (t == cs) { + continue; + } run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); } subsystem_reset();