From patchwork Mon Mar 21 10:18:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nico Boehr X-Patchwork-Id: 12787060 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2161DC4332F for ; Mon, 21 Mar 2022 10:19:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346266AbiCUKUm (ORCPT ); Mon, 21 Mar 2022 06:20:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233638AbiCUKUg (ORCPT ); Mon, 21 Mar 2022 06:20:36 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0C882A240; Mon, 21 Mar 2022 03:19:11 -0700 (PDT) Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 22L9MuKD010588; Mon, 21 Mar 2022 10:19:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=3qw3e7BuEn1pPymt4arsvOWmgm2yE8s6QV6FNjb7NoU=; b=Kb+tL3NKe1TuOeCUUy+gynhG5YAIQOtuEOW2v6p8qmB+RMEALmQYqDwVnn/VREEQNoa0 D79fnz1sLcbYpv0JsGxJ84VhroE0AIZEOKdSbHMUNoGtSIKFTO4g8Ult5sQM/CvfPPTW Il5Z39eH3n2f8pX5i6q6SezbhSsKCorle5IHfwFq2u8HPbDKWYDPqMYNuIMBS67GyUoC cbxtK8d7+rIEo2l9T4bjgG2B3ff9l9lxQ8zu89/+NbrndsfPP7R9KPv85ZJDbyTOJF3W t0J1J5KD9KglVemhgOehH3ksePhtOvP2769KYoe8prX0FytDxfd6P4nZE75zYdRwdhP5 dw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 3exppbh10d-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 21 Mar 2022 10:19:11 +0000 Received: from m0098416.ppops.net (m0098416.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 22LAGIfx016049; Mon, 21 Mar 2022 10:19:10 GMT Received: from ppma04ams.nl.ibm.com (63.31.33a9.ip4.static.sl-reverse.com [169.51.49.99]) by mx0b-001b2d01.pphosted.com with ESMTP id 3exppbh104-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 21 Mar 2022 10:19:10 +0000 Received: from pps.filterd (ppma04ams.nl.ibm.com [127.0.0.1]) by ppma04ams.nl.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 22LAEb0N029756; Mon, 21 Mar 2022 10:19:08 GMT Received: from b06avi18626390.portsmouth.uk.ibm.com (b06avi18626390.portsmouth.uk.ibm.com [9.149.26.192]) by ppma04ams.nl.ibm.com with ESMTP id 3ew6t8uju2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 21 Mar 2022 10:19:08 +0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 22LA7RL75964174 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 21 Mar 2022 10:07:27 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C3D9A11C04C; Mon, 21 Mar 2022 10:19:05 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 74C9811C052; Mon, 21 Mar 2022 10:19:05 +0000 (GMT) Received: from t46lp57.lnxne.boe (unknown [9.152.108.100]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 21 Mar 2022 10:19:05 +0000 (GMT) From: Nico Boehr To: kvm@vger.kernel.org, linux-s390@vger.kernel.org Cc: frankja@linux.ibm.com, imbrenda@linux.ibm.com, thuth@redhat.com, david@redhat.com, farman@linux.ibm.com Subject: [kvm-unit-tests PATCH v1 2/9] s390x: smp: stop already stopped CPU Date: Mon, 21 Mar 2022 11:18:57 +0100 Message-Id: <20220321101904.387640-3-nrb@linux.ibm.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220321101904.387640-1-nrb@linux.ibm.com> References: <20220321101904.387640-1-nrb@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: ibFRI82f-WaC8xZVUlqgQau0AzA0NeFC X-Proofpoint-GUID: GDyDvV5o9ONzXqAG9gyHjlx-WpGnks0y X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-21_04,2022-03-21_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 mlxscore=0 bulkscore=0 phishscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 mlxlogscore=999 suspectscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203210066 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org As per the PoP, the SIGP STOP order is only effective when the CPU is in the operating state. Hence, we should have a test which tries to stop an already stopped CPU. Even though the SIGP order might be processed asynchronously, we assert the CPU stays stopped. Signed-off-by: Nico Boehr Reviewed-by: Claudio Imbrenda Reviewed-by: Janosch Frank --- s390x/smp.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/s390x/smp.c b/s390x/smp.c index 911a26c51b10..e5a16eb5a46a 100644 --- a/s390x/smp.c +++ b/s390x/smp.c @@ -129,6 +129,11 @@ static void test_stop(void) */ while (!smp_cpu_stopped(1)) {} report_pass("stop"); + + report_prefix_push("stop stopped CPU"); + report(!smp_cpu_stop(1), "STOP succeeds"); + report(smp_cpu_stopped(1), "CPU is stopped"); + report_prefix_pop(); } static void test_stop_store_status(void)