From patchwork Mon Jul 8 20:10:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Farhan Ali X-Patchwork-Id: 11035775 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1D54414E5 for ; Mon, 8 Jul 2019 20:10:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B1C926222 for ; Mon, 8 Jul 2019 20:10:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE34627F2B; Mon, 8 Jul 2019 20:10:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8D54626222 for ; Mon, 8 Jul 2019 20:10:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404873AbfGHUKp (ORCPT ); Mon, 8 Jul 2019 16:10:45 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:29114 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731876AbfGHUKp (ORCPT ); Mon, 8 Jul 2019 16:10:45 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x68K7K3P131713 for ; Mon, 8 Jul 2019 16:10:44 -0400 Received: from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150]) by mx0b-001b2d01.pphosted.com with ESMTP id 2tmbg5jba7-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 08 Jul 2019 16:10:43 -0400 Received: from localhost by e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 8 Jul 2019 21:10:41 +0100 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 x68KAeJa61538766 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 8 Jul 2019 20:10:40 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 251E2BE053; Mon, 8 Jul 2019 20:10:40 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 98893BE04F; Mon, 8 Jul 2019 20:10:39 +0000 (GMT) Received: from alifm-ThinkPad-T470p.pok.ibm.com (unknown [9.56.58.103]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTPS; Mon, 8 Jul 2019 20:10:39 +0000 (GMT) From: Farhan Ali To: cohuck@redhat.com, farman@linux.ibm.com, pasic@linux.ibm.com Cc: linux-s390@vger.kernel.org, kvm@vger.kernel.org, alifm@linux.ibm.com Subject: [RFC v2 0/5] Some vfio-ccw fixes Date: Mon, 8 Jul 2019 16:10:33 -0400 X-Mailer: git-send-email 2.7.4 X-TM-AS-GCONF: 00 x-cbid: 19070820-0004-0000-0000-000015258937 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011397; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000286; SDB=6.01229353; UDB=6.00647438; IPR=6.01010612; MB=3.00027639; MTD=3.00000008; XFM=3.00000015; UTC=2019-07-08 20:10:42 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19070820-0005-0000-0000-00008C613B1D Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-08_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=841 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907080250 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hi, While trying to chase down the problem regarding the stacktraces, I have also found some minor problems in the code. Would appreciate any review or feedback regarding them. Thanks Farhan ChangeLog --------- v1 -> v2 - Update docs for csch/hsch since we can support those instructions now (patch 5) - Fix the memory leak where we fail to free a ccwchain (patch 2) - Add fixes tag where appropriate. - Fix comment instead of the order when setting orb.cmd.c64 (patch 1) Farhan Ali (5): vfio-ccw: Fix misleading comment when setting orb.cmd.c64 vfio-ccw: Fix memory leak and don't call cp_free in cp_init vfio-ccw: Set pa_nr to 0 if memory allocation fails for pa_iova_pfn vfio-ccw: Don't call cp_free if we are processing a channel program vfio-ccw: Update documentation for csch/hsch Documentation/s390/vfio-ccw.rst | 31 ++++++++++++++++++++++++++++--- drivers/s390/cio/vfio_ccw_cp.c | 19 ++++++++++++------- drivers/s390/cio/vfio_ccw_drv.c | 2 +- 3 files changed, 41 insertions(+), 11 deletions(-)