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=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 8F965C282C0 for ; Fri, 25 Jan 2019 19:08:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66438218B0 for ; Fri, 25 Jan 2019 19:08:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729035AbfAYTI3 (ORCPT ); Fri, 25 Jan 2019 14:08:29 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41394 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725976AbfAYTI3 (ORCPT ); Fri, 25 Jan 2019 14:08:29 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E4EE4CF633; Fri, 25 Jan 2019 19:08:28 +0000 (UTC) Received: from redhat.com (ovpn-122-28.rdu2.redhat.com [10.10.122.28]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 18037604CC; Fri, 25 Jan 2019 19:08:24 +0000 (UTC) Date: Fri, 25 Jan 2019 14:08:22 -0500 From: Jerome Glisse To: Dave Hansen Cc: linux-kernel@vger.kernel.org, dan.j.williams@intel.com, dave.jiang@intel.com, zwisler@kernel.org, vishal.l.verma@intel.com, thomas.lendacky@amd.com, akpm@linux-foundation.org, mhocko@suse.com, linux-nvdimm@lists.01.org, linux-mm@kvack.org, ying.huang@intel.com, fengguang.wu@intel.com, bp@suse.de, bhelgaas@google.com, baiyaowei@cmss.chinamobile.com, tiwai@suse.de Subject: Re: [PATCH 0/5] [v4] Allow persistent memory to be used like normal RAM Message-ID: <20190125190820.GC3237@redhat.com> References: <20190124231441.37A4A305@viggo.jf.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190124231441.37A4A305@viggo.jf.intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Fri, 25 Jan 2019 19:08:29 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 24, 2019 at 03:14:41PM -0800, Dave Hansen wrote: > v3 spurred a bunch of really good discussion. Thanks to everybody > that made comments and suggestions! > > I would still love some Acks on this from the folks on cc, even if it > is on just the patch touching your area. > > Note: these are based on commit d2f33c19644 in: > > git://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending > > Changes since v3: > * Move HMM-related resource warning instead of removing it > * Use __request_resource() directly instead of devm. > * Create a separate DAX_PMEM Kconfig option, complete with help text > * Update patch descriptions and cover letter to give a better > overview of use-cases and hardware where this might be useful. This one looks good to me, i will give it a go on monday to test against nouveau and HMM. Cheers, Jérôme