From patchwork Wed Jun 19 15:43:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 13704153 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8EE1315356B; Wed, 19 Jun 2024 15:46:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.158.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718811971; cv=none; b=FyRk2wkKfSyWnyQmOb/GUV+g/bXmH/gqqCZ4/FcEECNMIRDy9foWzjT20gbEy04OjPux6B8RTHEYsAQqNSBrFrjylSwvZKBPS/LDLFzXQMkfU+sFTbpYgdhAQnAROFu3/fKsfe3cbBZCPBbfzWKL4Scrw0C+txQUpqQdwaXg0o8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718811971; c=relaxed/simple; bh=cXejuEluh+BjX1Ar6e5P4JKZqCjqJdrKYUKKBgQTaXk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rdMT0J/It1SHN7BtcGnMQf+VXsEmii/Loj/VvANJMntOr9fweBuv0DXpMOuw1mJKFx1f+pHPz+wbBpfxyD5MKEK3zmOnUfTpo7E1xQtFxyRNvalVjWLZ1SaRNPFJO2LFOsBy4GMMMkGFsMNnNsNkCsCdYVKuxrjLBsDEAszi8YY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=r/ZDXUf6; arc=none smtp.client-ip=148.163.158.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="r/ZDXUf6" Received: from pps.filterd (m0353724.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 45JETPqC000732; Wed, 19 Jun 2024 15:45:45 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=ah4xfVCHNViAS Zu9OS8C5bCxAH6NMTO/t1qMSUm0DA8=; b=r/ZDXUf6kNgEyXGiU4QBIlTJRAP2B qjmxMUcnG+bu1yZa1gsD0Wnf3tsxZ90aRkYPlIKrAU2sqhl5u+7ePITVO8Hukgs0 NH0GqcLd2JMA9L1K7wSSH2j5YNbdBaipyE7ZPYHjwiO+6dohNBsImYLLxQxRu1fF N4t7d2LJhW/taQ118wFF4jtOVMXpmsTKMCtpBN3ROAqvws3tyrToF4GddeVZd7Xv O0Bl2MJIgCbaPgevMM+CY2prtxld6WeagQfXlzqcnUwoKsFBkkX3ggdnUHA/CclB RFoSNEgzc5AdKxqtQ8pYrqrjcMLGYsb0v7fuutAd04iXQFgjSUONlEsDQ== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3yv14tg8bt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 15:45:45 +0000 (GMT) Received: from m0353724.ppops.net (m0353724.ppops.net [127.0.0.1]) by pps.reinject (8.18.0.8/8.18.0.8) with ESMTP id 45JFjie4027313; Wed, 19 Jun 2024 15:45:44 GMT Received: from ppma22.wdc07v.mail.ibm.com (5c.69.3da9.ip4.static.sl-reverse.com [169.61.105.92]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3yv14tg8bh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 15:45:44 +0000 (GMT) Received: from pps.filterd (ppma22.wdc07v.mail.ibm.com [127.0.0.1]) by ppma22.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 45JFDe1R019670; Wed, 19 Jun 2024 15:45:43 GMT Received: from smtprelay04.fra02v.mail.ibm.com ([9.218.2.228]) by ppma22.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3ysnp1e4w7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 19 Jun 2024 15:45:43 +0000 Received: from smtpav06.fra02v.mail.ibm.com (smtpav06.fra02v.mail.ibm.com [10.20.54.105]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 45JFjbuF15663542 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 19 Jun 2024 15:45:39 GMT Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 52CF620040; Wed, 19 Jun 2024 15:45:37 +0000 (GMT) Received: from smtpav06.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0482F2006E; Wed, 19 Jun 2024 15:45:37 +0000 (GMT) Received: from black.boeblingen.de.ibm.com (unknown [9.155.200.166]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 19 Jun 2024 15:45:36 +0000 (GMT) From: Ilya Leoshkevich To: Alexander Gordeev , Alexander Potapenko , Andrew Morton , Christoph Lameter , David Rientjes , Heiko Carstens , Joonsoo Kim , Marco Elver , Masami Hiramatsu , Pekka Enberg , Steven Rostedt , Vasily Gorbik , Vlastimil Babka Cc: Christian Borntraeger , Dmitry Vyukov , Hyeonggon Yoo <42.hyeyoo@gmail.com>, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Mark Rutland , Roman Gushchin , Sven Schnelle , Ilya Leoshkevich Subject: [PATCH v5 10/37] kmsan: Export panic_on_kmsan Date: Wed, 19 Jun 2024 17:43:45 +0200 Message-ID: <20240619154530.163232-11-iii@linux.ibm.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240619154530.163232-1-iii@linux.ibm.com> References: <20240619154530.163232-1-iii@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: RiUUTktqT1yLNQLtzUUbCFUd6AFkCIeA X-Proofpoint-ORIG-GUID: 7_qealJrcwwEHN-o48FoPO7TmZIHaGqk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-19_02,2024-06-19_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 suspectscore=0 mlxscore=0 clxscore=1015 spamscore=0 mlxlogscore=999 impostorscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406190115 When building the kmsan test as a module, modpost fails with the following error message: ERROR: modpost: "panic_on_kmsan" [mm/kmsan/kmsan_test.ko] undefined! Export panic_on_kmsan in order to improve the KMSAN usability for modules. Reviewed-by: Alexander Potapenko Signed-off-by: Ilya Leoshkevich --- mm/kmsan/report.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/kmsan/report.c b/mm/kmsan/report.c index 02736ec757f2..c79d3b0d2d0d 100644 --- a/mm/kmsan/report.c +++ b/mm/kmsan/report.c @@ -20,6 +20,7 @@ static DEFINE_RAW_SPINLOCK(kmsan_report_lock); /* Protected by kmsan_report_lock */ static char report_local_descr[DESCR_SIZE]; int panic_on_kmsan __read_mostly; +EXPORT_SYMBOL_GPL(panic_on_kmsan); #ifdef MODULE_PARAM_PREFIX #undef MODULE_PARAM_PREFIX