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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 14 Aug 2019 09:58:31 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x7E8wBnK29950288 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 14 Aug 2019 08:58:11 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5A1EE4C044; Wed, 14 Aug 2019 08:58:30 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 07FE44C040; Wed, 14 Aug 2019 08:58:29 +0000 (GMT) Received: from in.ibm.com (unknown [9.124.35.250]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Wed, 14 Aug 2019 08:58:28 +0000 (GMT) Date: Wed, 14 Aug 2019 14:28:26 +0530 From: Bharata B Rao To: Christoph Hellwig Cc: Dan Williams , Jason Gunthorpe , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org Subject: Re: [PATCH 5/5] memremap: provide a not device managed memremap_pages Reply-To: bharata@linux.ibm.com References: <20190811081247.22111-1-hch@lst.de> <20190811081247.22111-6-hch@lst.de> <20190812145058.GA16950@in.ibm.com> <20190812150012.GA12700@lst.de> <20190813045611.GB16950@in.ibm.com> <20190814061150.GA24835@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190814061150.GA24835@lst.de> User-Agent: Mutt/1.12.0 (2019-05-25) X-TM-AS-GCONF: 00 x-cbid: 19081408-0016-0000-0000-0000029EA913 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19081408-0017-0000-0000-000032FEC1E3 Message-Id: <20190814085826.GB8784@in.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-08-14_03:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=335 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1908140090 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 14, 2019 at 08:11:50AM +0200, Christoph Hellwig wrote: > On Tue, Aug 13, 2019 at 10:26:11AM +0530, Bharata B Rao wrote: > > Yes, this patchset works non-modular and with kvm-hv as module, it > > works with devm_memremap_pages_release() and release_mem_region() in the > > cleanup path. The cleanup path will be required in the non-modular > > case too for proper recovery from failures. > > Can you check if the version here: > > git://git.infradead.org/users/hch/misc.git pgmap-remove-dev > > Gitweb: > > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/pgmap-remove-dev > > works for you fully before I resend? Yes, this works for us. This and migrate-vma-cleanup series helps to really simplify the kvmppc secure pages management code. Thanks. Regards, Bharata.