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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 094DAC3A59D for ; Mon, 19 Aug 2019 06:30:23 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BC64520851 for ; Mon, 19 Aug 2019 06:30:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BC64520851 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 2C7166B0008; Mon, 19 Aug 2019 02:30:22 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2771D6B000A; Mon, 19 Aug 2019 02:30:22 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 18E1F6B000C; Mon, 19 Aug 2019 02:30:22 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0105.hostedemail.com [216.40.44.105]) by kanga.kvack.org (Postfix) with ESMTP id E61FF6B0008 for ; Mon, 19 Aug 2019 02:30:21 -0400 (EDT) Received: from smtpin13.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 80FF7612B for ; Mon, 19 Aug 2019 06:30:21 +0000 (UTC) X-FDA: 75838203042.13.sink54_202ad663d502d X-HE-Tag: sink54_202ad663d502d X-Filterd-Recvd-Size: 1892 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf02.hostedemail.com (Postfix) with ESMTP for ; Mon, 19 Aug 2019 06:30:20 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 0548B68B20; Mon, 19 Aug 2019 08:30:16 +0200 (CEST) Date: Mon, 19 Aug 2019 08:30:15 +0200 From: Christoph Hellwig To: Bharata B Rao Cc: Christoph Hellwig , Dan Williams , Jason Gunthorpe , Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org Subject: Re: add a not device managed memremap_pages v3 Message-ID: <20190819063015.GA20248@lst.de> References: <20190818090557.17853-1-hch@lst.de> <20190819052752.GD8784@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190819052752.GD8784@in.ibm.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Aug 19, 2019 at 10:57:52AM +0530, Bharata B Rao wrote: > On Sun, Aug 18, 2019 at 11:05:53AM +0200, Christoph Hellwig wrote: > > Hi Dan and Jason, > > > > Bharata has been working on secure page management for kvmppc guests, > > and one I thing I noticed is that he had to fake up a struct device > > just so that it could be passed to the devm_memremap_pages > > instrastructure for device private memory. > > > > This series adds non-device managed versions of the > > devm_request_free_mem_region and devm_memremap_pages functions for > > his use case. > > Tested kvmppc ultravisor patchset with migrate_vma changes and this > patchset. (Had to manually patch mm/memremap.c instead of kernel/memremap.c > though) Oh. I rebased to the hmm tree, and that didn't have the rename yet. And I didn't even notice that as git handled it transparently.