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 652B3C7EE2D for ; Tue, 23 May 2023 16:37:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229752AbjEWQhM (ORCPT ); Tue, 23 May 2023 12:37:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237105AbjEWQhI (ORCPT ); Tue, 23 May 2023 12:37:08 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4262111A; Tue, 23 May 2023 09:37:03 -0700 (PDT) Received: from pps.filterd (m0353723.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34NGVhmq014628; Tue, 23 May 2023 16:36:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding : mime-version; s=pp1; bh=4QSbeGpvSiReYGcIr7QrxPewrKrb4N/ywhA3WbbktU8=; b=HduYbZH3tDTH4FQp2R04o6SBjNP2ws8AVUYhNQ+v1ldlWPDimXYpFmRs14P5CiXukEk7 MoRlWXv8wB1akliyxDrp9hyHp99LSNMOayx8pgNeZGHm+QY+kWNQ3a3rT3NWhr0v7NHP U4Etb8AYXKDiiTaI24aIy5BZuJr5ywN7PxCpVp22bbQa2SLPtFHHbOYSDFvOGTtoIdMU mAooG8F1Ies+HAKaYeE4eSYf7tXY8RujVcKQwB9WH6RyU6WGilNP25yjpUofssrVsLEt Ril7sCRTfoczWj28hvSULQ2z0s7VslnlYIWRqCmBFgXh0AGeEN8qrl/jZIm3eTk+Jpgb 9A== 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 3qryy41ub8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 May 2023 16:36:57 +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 34NEKh8g031369; Tue, 23 May 2023 16:36:56 GMT Received: from smtprelay05.dal12v.mail.ibm.com ([9.208.130.101]) by ppma02dal.us.ibm.com (PPS) with ESMTPS id 3qppdpky27-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 May 2023 16:36:56 +0000 Received: from smtpav04.wdc07v.mail.ibm.com (smtpav04.wdc07v.mail.ibm.com [10.39.53.231]) by smtprelay05.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 34NGatHo66453942 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 23 May 2023 16:36:55 GMT Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3614858045; Tue, 23 May 2023 16:36:55 +0000 (GMT) Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B776158052; Tue, 23 May 2023 16:36:53 +0000 (GMT) Received: from [9.61.92.8] (unknown [9.61.92.8]) by smtpav04.wdc07v.mail.ibm.com (Postfix) with ESMTP; Tue, 23 May 2023 16:36:53 +0000 (GMT) Message-ID: <410d06c5-90f5-93dc-6e6d-37e5923fe0a7@linux.ibm.com> Date: Tue, 23 May 2023 12:36:53 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH 0/2][next] vfio/ccw: Replace one-element array with flexible-array member Content-Language: en-US To: "Gustavo A. R. Silva" , Eric Farman , Halil Pasic , Vineeth Vijayan , Peter Oberparleiter , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle Cc: linux-s390@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org References: From: Matthew Rosato In-Reply-To: Content-Type: text/plain; charset=UTF-8 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ympyjzcNDEsFLxKdxoCce_RGFjRUV_RH X-Proofpoint-ORIG-GUID: ympyjzcNDEsFLxKdxoCce_RGFjRUV_RH Content-Transfer-Encoding: 7bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-23_10,2023-05-23_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 bulkscore=0 adultscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=946 phishscore=0 suspectscore=0 spamscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305230132 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On 5/22/23 9:34 PM, Gustavo A. R. Silva wrote: > Hi! > > This small series aims to replace a one-element array with a > flexible-array member in struct vfio_ccw_parent. > > This helps with the ongoing efforts to tighten the FORTIFY_SOURCE > routines on memcpy() and help us make progress towards globally > enabling -fstrict-flex-arrays=3 [1]. > > Link: https://github.com/KSPP/linux/issues/79 > Link: https://github.com/KSPP/linux/issues/160 > Link: https://github.com/KSPP/linux/issues/297 > Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1] > > Gustavo A. R. Silva (2): > vfio/ccw: Replace one-element array with flexible-array member > vfio/ccw: Use struct_size() helper > > drivers/s390/cio/vfio_ccw_drv.c | 2 +- > drivers/s390/cio/vfio_ccw_private.h | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > Hi Gustavo, Thanks! For the series: Reviewed-by: Matthew Rosato