From patchwork Mon Nov 25 23:12:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Falcon X-Patchwork-Id: 1200637 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47MNBK3cX1z9sRW for ; Tue, 26 Nov 2019 10:13:29 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727377AbfKYXN2 (ORCPT ); Mon, 25 Nov 2019 18:13:28 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:5658 "EHLO mx0b-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727369AbfKYXNM (ORCPT ); Mon, 25 Nov 2019 18:13:12 -0500 Received: from pps.filterd (m0127361.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xAPMvBIv039597; Mon, 25 Nov 2019 18:13:06 -0500 Received: from ppma05wdc.us.ibm.com (1b.90.2fa9.ip4.static.sl-reverse.com [169.47.144.27]) by mx0a-001b2d01.pphosted.com with ESMTP id 2wf0f79cgn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 25 Nov 2019 18:13:06 -0500 Received: from pps.filterd (ppma05wdc.us.ibm.com [127.0.0.1]) by ppma05wdc.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id xAPMtTx2007217; Mon, 25 Nov 2019 23:13:05 GMT Received: from b03cxnp08025.gho.boulder.ibm.com (b03cxnp08025.gho.boulder.ibm.com [9.17.130.17]) by ppma05wdc.us.ibm.com with ESMTP id 2wevd6p39h-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 25 Nov 2019 23:13:05 +0000 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xAPND4kv44630414 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 25 Nov 2019 23:13:04 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6D51DBE051; Mon, 25 Nov 2019 23:13:04 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2EA41BE056; Mon, 25 Nov 2019 23:13:03 +0000 (GMT) Received: from oc7186267434.ibm.com (unknown [9.80.224.141]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 25 Nov 2019 23:13:02 +0000 (GMT) From: Thomas Falcon To: jakub.kicinski@netronome.com Cc: netdev@vger.kernel.org, linuxppc-dev@ozlabs.org, dnbanerg@us.ibm.com, brking@linux.vnet.ibm.com, julietk@linux.vnet.ibm.com, Thomas Falcon Subject: [PATCH net v2 2/4] ibmvnic: Terminate waiting device threads after loss of service Date: Mon, 25 Nov 2019 17:12:54 -0600 Message-Id: <1574723576-27553-3-git-send-email-tlfalcon@linux.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1574723576-27553-1-git-send-email-tlfalcon@linux.ibm.com> References: <20191125112359.7a468352@cakuba.hsd1.ca.comcast.net> <1574723576-27553-1-git-send-email-tlfalcon@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95, 18.0.572 definitions=2019-11-25_06:2019-11-21, 2019-11-25 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=1 bulkscore=0 spamscore=0 clxscore=1015 mlxlogscore=823 adultscore=0 phishscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911250181 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org If we receive a notification that the device has been deactivated or removed, force a completion of all waiting threads. Signed-off-by: Thomas Falcon --- drivers/net/ethernet/ibm/ibmvnic.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 48225297a5e2..78a3ef70f1ef 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -4500,6 +4500,15 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq, case IBMVNIC_CRQ_XPORT_EVENT: netif_carrier_off(netdev); adapter->crq.active = false; + /* terminate any thread waiting for a response + * from the device + */ + if (!completion_done(&adapter->fw_done)) { + adapter->fw_done_rc = -EIO; + complete(&adapter->fw_done); + } + if (!completion_done(&adapter->stats_done)) + complete(&adapter->stats_done); if (test_bit(0, &adapter->resetting)) adapter->force_reset_recovery = true; if (gen_crq->cmd == IBMVNIC_PARTITION_MIGRATED) {