From patchwork Mon Dec 10 21:22:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Falcon X-Patchwork-Id: 1010712 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) 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 43DGHx0pTrz9s3q for ; Tue, 11 Dec 2018 08:22:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727880AbeLJVWf (ORCPT ); Mon, 10 Dec 2018 16:22:35 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:60906 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727062AbeLJVWf (ORCPT ); Mon, 10 Dec 2018 16:22:35 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wBALIMko027829 for ; Mon, 10 Dec 2018 16:22:34 -0500 Received: from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150]) by mx0a-001b2d01.pphosted.com with ESMTP id 2p9w55ffms-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 10 Dec 2018 16:22:34 -0500 Received: from localhost by e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 10 Dec 2018 21:22:33 -0000 Received: from b03cxnp07029.gho.boulder.ibm.com (9.17.130.16) by e32.co.us.ibm.com (192.168.1.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 10 Dec 2018 21:22:30 -0000 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id wBALMTDr20185216 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 10 Dec 2018 21:22:29 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E3BA1BE053; Mon, 10 Dec 2018 21:22:28 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5624BBE04F; Mon, 10 Dec 2018 21:22:28 +0000 (GMT) Received: from oc3765557031.ibm.com (unknown [9.85.206.46]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 10 Dec 2018 21:22:28 +0000 (GMT) From: Thomas Falcon To: netdev@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org, Thomas Falcon Subject: [PATCH net 0/2] net/ibmvnic: Fix reset work item locking bugs Date: Mon, 10 Dec 2018 15:22:21 -0600 X-Mailer: git-send-email 1.8.3.1 X-TM-AS-GCONF: 00 x-cbid: 18121021-0004-0000-0000-000014C02A38 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010209; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000270; SDB=6.01129895; UDB=6.00587082; IPR=6.00910028; MB=3.00024646; MTD=3.00000008; XFM=3.00000015; UTC=2018-12-10 21:22:31 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18121021-0005-0000-0000-000089CE6D6E Message-Id: <1544476943-5712-1-git-send-email-tlfalcon@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-12-10_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=636 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1812100190 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch set fixes issues with scheduling reset work items in a tasklet context. Since ibmvnic_reset can called in an interrupt, it should not use a mutex or allocate memory non-atomically. Thomas Falcon (2): ibmvnic: Convert reset work item mutex to spin lock ibmvnic: Fix non-atomic memory allocation in IRQ context drivers/net/ethernet/ibm/ibmvnic.c | 18 ++++++++++-------- drivers/net/ethernet/ibm/ibmvnic.h | 2 +- 2 files changed, 11 insertions(+), 9 deletions(-)