From patchwork Wed Feb 1 19:57:37 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Brian King X-Patchwork-Id: 649949 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 DC74DC05027 for ; Wed, 1 Feb 2023 19:58:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232138AbjBAT6I (ORCPT ); Wed, 1 Feb 2023 14:58:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39000 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232118AbjBAT6H (ORCPT ); Wed, 1 Feb 2023 14:58:07 -0500 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 004EDA24C for ; Wed, 1 Feb 2023 11:58:00 -0800 (PST) Received: from pps.filterd (m0098421.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 311JExkx013012; Wed, 1 Feb 2023 19:57:56 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=eZHFp+q1/ZdO0GMG9d6sVTotLIfZq7S/xMjdYSaqJn0=; b=qyubtcvMHwuZlReJ1O548a8irrm7t5P2Yq5iiJJO3B6ZIQfiZPHHwI5sxvV3sNBTEcb7 ttQsKyO5IjM7w9ktF6SphFVS8YUP/VJdhL6dsOMuhM1zfqSRnwPbXYQmqsq3OMYAjhKr Du6qyyPNCjbYH4/ogt/yLlVs1GZTlmpVKbdybbh/DbMfE9DmXYRAtx6rU3xrJCBQ20pb ik3UxNb4yKJ1pqbEHr+yNSF0UuSR+NTsEkYdJz83a5e8csvo9WjCVntpi3Mk6F8v5+fG E9BS759IOZ3QtTjT7UTjoRrN5kQ/v4iwYWwBfaO9gd8sfd4/MHctoOHygjVU52OZ865j RA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3nfwt41hfg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Feb 2023 19:57:56 +0000 Received: from m0098421.ppops.net (m0098421.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 311JpLIq021285; Wed, 1 Feb 2023 19:57:55 GMT Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3nfwt41hf5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Feb 2023 19:57:55 +0000 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 311J0A10019250; Wed, 1 Feb 2023 19:57:55 GMT Received: from smtprelay03.wdc07v.mail.ibm.com ([9.208.129.113]) by ppma02dal.us.ibm.com (PPS) with ESMTPS id 3ncvuqwayh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Feb 2023 19:57:55 +0000 Received: from smtpav01.dal12v.mail.ibm.com (smtpav01.dal12v.mail.ibm.com [10.241.53.100]) by smtprelay03.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 311JvrAL11993724 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 1 Feb 2023 19:57:53 GMT Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4F3C458057; Wed, 1 Feb 2023 19:57:53 +0000 (GMT) Received: from smtpav01.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C552658058; Wed, 1 Feb 2023 19:57:52 +0000 (GMT) Received: from li-6bf4d4cc-31f5-11b2-a85c-838e9310af65.ibm.com.com (unknown [9.211.132.88]) by smtpav01.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 1 Feb 2023 19:57:52 +0000 (GMT) From: Brian King To: gregkh@linuxfoundation.org Cc: linuxppc-dev@lists.ozlabs.org, brking@pobox.com, mmc@linux.vnet.ibm.com, linux-serial@vger.kernel.org, Brian King Subject: [PATCH 0/6] hvcs: Various hvcs device hotplug fixes Date: Wed, 1 Feb 2023 13:57:37 -0600 Message-Id: <20230201195743.303163-1-brking@linux.vnet.ibm.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: j5Pa4MQvY6KBS8yISPHNwc4NwIk9d-G1 X-Proofpoint-GUID: rBh2QMZgWsi-br4I9EZv9hg2J5UPELh3 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-02-01_04,2023-01-31_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=999 phishscore=0 spamscore=0 priorityscore=1501 adultscore=0 lowpriorityscore=0 mlxscore=0 bulkscore=0 suspectscore=0 impostorscore=0 clxscore=1011 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302010166 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org This patch series fixes a number of issues with hotplugging hvcs devices including memory leaks as well as, the inability to reconnect to a console device after it has been hot added back, since it was not getting cleaned up properly on the hotplug remove path. Brian King (6): hvcs: Fix hvcs port reference counting hvcs: Remove sysfs file prior to vio unregister hvcs: Remove sysfs group earlier hvcs: Get reference to tty in remove hvcs: Use vhangup in hotplug remove hvcs: Synchronize hotplug remove with port free drivers/tty/hvc/hvcs.c | 61 +++++++++++++++++------------------------- 1 file changed, 24 insertions(+), 37 deletions(-)