From patchwork Thu Mar 23 10:39:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janosch Frank X-Patchwork-Id: 13185492 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 258C5C76195 for ; Thu, 23 Mar 2023 10:43:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231397AbjCWKn4 (ORCPT ); Thu, 23 Mar 2023 06:43:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231201AbjCWKn1 (ORCPT ); Thu, 23 Mar 2023 06:43:27 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2C0159F4 for ; Thu, 23 Mar 2023 03:40:28 -0700 (PDT) Received: from pps.filterd (m0098417.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32N9oNnS026483 for ; Thu, 23 Mar 2023 10:40:26 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=BqwhAQtD8u7fdukYUz6qnkSPf+czkiCxB6OsRDwqtkU=; b=PoGNp9g/d/JMzGRMvFH7Yjr6K75/lhWLEyd/y1tUyoaunxat8v1mLpyeN8YKtkNzg70x F6H1ffcZBASO/9RPvHL8CBMUvYSA6skEeRmOKrUVuLeuEHuMYnOPfLnGgKLvaOgHuYGT dhCeMhdzrJR/lj7Eql5whD2ve/3FzJKIVZuFBDDSdbWS7eLzIk1k3lg2il3ezkiRFvUV LbnsxKWFgHCSUE3zXAyGHqsCpnCmpMN3AsEpFfC7xTxOEqmNRuHtEXLAy90wf6SqxPWn OrJr2k5zEM+Q89O3hMjrjChb3QNhpvfoZPjSlXfgmlwp9cIYBmv3zLkkrB88Z7GBQeKy gg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pgmg6h60t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 23 Mar 2023 10:40:26 +0000 Received: from m0098417.ppops.net (m0098417.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 32NAQN9q009490 for ; Thu, 23 Mar 2023 10:40:26 GMT Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3pgmg6h60e-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Mar 2023 10:40:26 +0000 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 32N8aKEl015024; Thu, 23 Mar 2023 10:40:24 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma06ams.nl.ibm.com (PPS) with ESMTPS id 3pd4jff7nn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Mar 2023 10:40:24 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 32NAeKpI14680784 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 23 Mar 2023 10:40:20 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 93CA72004B; Thu, 23 Mar 2023 10:40:20 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id F05C720043; Thu, 23 Mar 2023 10:40:19 +0000 (GMT) Received: from linux6.. (unknown [9.114.12.104]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 23 Mar 2023 10:40:19 +0000 (GMT) From: Janosch Frank To: kvm@vger.kernel.org, nrb@linux.ibm.com Cc: thuth@redhat.com, imbrenda@linux.ibm.com Subject: [kvm-unit-tests PATCH 8/8] s390x: uv-host: Fence access checks when UV debug is enabled Date: Thu, 23 Mar 2023 10:39:13 +0000 Message-Id: <20230323103913.40720-9-frankja@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230323103913.40720-1-frankja@linux.ibm.com> References: <20230323103913.40720-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: p42JaA6WmrbTAh0ZXzswzka31cdgrIt5 X-Proofpoint-ORIG-GUID: ob3tDpE3qk5yePHQLBWRboOzI322ASdZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-22_21,2023-03-22_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 mlxlogscore=999 adultscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 spamscore=0 phishscore=0 bulkscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303150002 definitions=main-2303230080 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The debug print directly accesses the UV header which will result in a second accesses exception which will abort the test. Let's fence the access tests instead. Signed-off-by: Janosch Frank Reviewed-by: Nico Boehr --- s390x/uv-host.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/s390x/uv-host.c b/s390x/uv-host.c index b23d51c9..1f73034f 100644 --- a/s390x/uv-host.c +++ b/s390x/uv-host.c @@ -164,6 +164,15 @@ static void test_access(void) report_prefix_push("access"); + /* + * If debug is enabled info from the uv header is printed + * which would lead to a second exception and a test abort. + */ + if (UVC_ERR_DEBUG) { + report_skip("Debug doesn't work with access tests"); + goto out; + } + report_prefix_push("non-crossing"); protect_page(uvcb, PAGE_ENTRY_I); for (i = 0; cmds[i].name; i++) { @@ -196,6 +205,7 @@ static void test_access(void) uvcb += 1; unprotect_page(uvcb, PAGE_ENTRY_I); +out: free_pages(pages); report_prefix_pop(); }