From mboxrd@z Thu Jan 1 00:00:00 1970 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 C07FEC77B6E for ; Wed, 12 Apr 2023 18:56:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230181AbjDLS4U (ORCPT ); Wed, 12 Apr 2023 14:56:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36040 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229532AbjDLS4S (ORCPT ); Wed, 12 Apr 2023 14:56:18 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A35349D for ; Wed, 12 Apr 2023 11:56:17 -0700 (PDT) Received: from pps.filterd (m0187473.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 33CIiYHv015652; Wed, 12 Apr 2023 18:56:10 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding; s=pp1; bh=SM5eJ/FnV8ZsDRBAIYcRF+9pM82FpOMuW+feSslqg1w=; b=VC8AVLK6m4ZjpB46ciEiAR4PVMREv+HKkw9jz+PeJo6bZs1nhoJA0oWtJkAOd9ryidVi NRerF9QPBtVBfrRlrdK8lCEKW9g712Kouvi4xQq6hFL7nyLTYTznvygG885GUzwY9zn9 05HwK7bWNGjUylAjCxumIubkgpVsm+cZY5V0yW+3Rk/0kfsZdMicYEnDp7UodrXIdk3C dsbLdr4PTKJMhrzsaOihOrfgsY2gATRsHiILnnDovdgI8+FmniRSTMA5GAj4JCOXqnEU rXLjSxf+hVY4JcGIxhebgHSKHwUbZFrt4Pa2qBY5pS/rSg2CSCqAMkXJfW67ecpQWJbr yA== Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3px1qc9c11-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Apr 2023 18:56:09 +0000 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 33CGvnw0003067; Wed, 12 Apr 2023 18:56:08 GMT Received: from smtprelay06.dal12v.mail.ibm.com ([9.208.130.100]) by ppma05wdc.us.ibm.com (PPS) with ESMTPS id 3pu0jb7pu2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 12 Apr 2023 18:56:08 +0000 Received: from smtpav05.wdc07v.mail.ibm.com (smtpav05.wdc07v.mail.ibm.com [10.39.53.232]) by smtprelay06.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 33CIu7Wg5177944 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 12 Apr 2023 18:56:08 GMT Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A72C85805F; Wed, 12 Apr 2023 18:56:07 +0000 (GMT) Received: from smtpav05.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9F08458069; Wed, 12 Apr 2023 18:56:06 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.160.16.129]) by smtpav05.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 12 Apr 2023 18:56:06 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, joel@jms.id.au, jk@ozlabs.org, alistair@popple.id.au, Eddie James Subject: [PATCH 0/2] fsi: core: Lock scan mutex for master index removal Date: Wed, 12 Apr 2023 13:56:00 -0500 Message-Id: <20230412185602.1592629-1-eajames@linux.ibm.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -Dx3ZmBpqlWGuCTFFny74eMcB9eK7hnN X-Proofpoint-ORIG-GUID: -Dx3ZmBpqlWGuCTFFny74eMcB9eK7hnN 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=2023-04-12_08,2023-04-12_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 clxscore=1011 mlxscore=0 mlxlogscore=931 adultscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304120160 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If a master scan occurs while the master is being unregistered, the devicecs may end up with incorrect and possibly duplicate names, resulting in kernel warnings. Ensure the master index isn't changed outside of the scan mutex. In addition, add some trace events to debug any further issues in this area. Eddie James (2): fsi: core: Lock scan mutex for master index removal fsi: core: Add trace events for scan and unregister drivers/fsi/fsi-core.c | 6 +++++- include/trace/events/fsi.h | 31 +++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+), 1 deletion(-) -- 2.31.1