Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751298AbdCQQx6 (ORCPT ); Fri, 17 Mar 2017 12:53:58 -0400 Received: from mx1.redhat.com ([209.132.183.28]:26251 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751143AbdCQQx5 (ORCPT ); Fri, 17 Mar 2017 12:53:57 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com E0E7C2EF167 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=jglisse@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com E0E7C2EF167 Date: Fri, 17 Mar 2017 12:53:51 -0400 From: Jerome Glisse To: Bob Liu Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, John Hubbard , Naoya Horiguchi , David Nellans , Evgeny Baskakov , Mark Hairgrove , Sherry Cheung , Subhash Gutti Subject: Re: [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE memory v2 Message-ID: <20170317165351.GA16236@redhat.com> References: <1489680335-6594-1-git-send-email-jglisse@redhat.com> <1489680335-6594-17-git-send-email-jglisse@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.8.0 (2017-02-23) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 17 Mar 2017 16:53:57 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 699 Lines: 21 On Fri, Mar 17, 2017 at 02:55:57PM +0800, Bob Liu wrote: > Hi J?r?me, > > On 2017/3/17 0:05, J?r?me Glisse wrote: > > This introduce a dummy HMM device class so device driver can use it to > > create hmm_device for the sole purpose of registering device memory. > > May I ask where is the latest dummy HMM device driver? > I can only get this one: https://patchwork.kernel.org/patch/4352061/ https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-next This is a 4.10 tree but the dummy driver there apply on top of v18 https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-v18 This is really an example driver it doesn't do anything useful beside help in testing and debugging. Cheers, J?r?me