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Thu, 28 Nov 2019 21:40:02 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xASLcIbw050234; Thu, 28 Nov 2019 21:40:01 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 2wjh0kmq2j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 28 Nov 2019 21:40:01 +0000 Received: from abhmp0002.oracle.com (abhmp0002.oracle.com [141.146.116.8]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id xASLe1b3030098; Thu, 28 Nov 2019 21:40:01 GMT Received: from bostrovs-us.us.oracle.com (/10.152.32.65) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 28 Nov 2019 13:40:00 -0800 Subject: Re: [PATCH v2 0/2] xen/gntdev: sanitize user interface handling To: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= , xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Stefano Stabellini References: <20191107111546.26579-1-jgross@suse.com> <442417bc-ec65-0864-0a99-59583a52f866@suse.com> From: Boris Ostrovsky Autocrypt: addr=boris.ostrovsky@oracle.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <442417bc-ec65-0864-0a99-59583a52f866@suse.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9455 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-1911280189 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9455 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-1911280189 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/28/19 3:48 AM, Jürgen Groß wrote: > On 07.11.19 12:15, Juergen Gross wrote: >> The Xen gntdev driver's checking of the number of allowed mapped pages >> is in need of some sanitizing work. >> >> Changes in V2: >> - enhanced commit message of patch 1 (Andrew Cooper) >> >> Juergen Gross (2): >>    xen/gntdev: replace global limit of mapped pages by limit per call >>    xen/gntdev: switch from kcalloc() to kvcalloc() >> >>   drivers/xen/gntdev-common.h |  2 +- >>   drivers/xen/gntdev-dmabuf.c | 11 +++------ >>   drivers/xen/gntdev.c        | 55 >> +++++++++++++++++++-------------------------- >>   3 files changed, 27 insertions(+), 41 deletions(-) >> > > Boris, could you please comment on the patches? Sure, both look good (and so R-b). I haven't commented since Oleksandr already gave you his. -boris