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,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable 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 D56C9C48BD4 for ; Tue, 25 Jun 2019 11:59:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A9AB6215EA for ; Tue, 25 Jun 2019 11:59:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727237AbfFYL7y (ORCPT ); Tue, 25 Jun 2019 07:59:54 -0400 Received: from verein.lst.de ([213.95.11.211]:34177 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726423AbfFYL7y (ORCPT ); Tue, 25 Jun 2019 07:59:54 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id D3FF468B05; Tue, 25 Jun 2019 13:59:21 +0200 (CEST) Date: Tue, 25 Jun 2019 13:59:21 +0200 From: Christoph Hellwig To: Jason Gunthorpe Cc: Christoph Hellwig , Michal Hocko , Dan Williams , =?iso-8859-1?B?Suly9G1l?= Glisse , Ben Skeggs , "linux-mm@kvack.org" , "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-nvdimm@lists.01.org" , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 18/22] mm: mark DEVICE_PUBLIC as broken Message-ID: <20190625115921.GA3874@lst.de> References: <20190613094326.24093-1-hch@lst.de> <20190613094326.24093-19-hch@lst.de> <20190620192648.GI12083@dhcp22.suse.cz> <20190625072915.GD30350@lst.de> <20190625114422.GA3118@mellanox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190625114422.GA3118@mellanox.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Tue, Jun 25, 2019 at 11:44:28AM +0000, Jason Gunthorpe wrote: > Which tree and what does the resolution look like? Looks like in -mm. The current commit in linux-next is: commit 0d23b042f26955fb35721817beb98ba7f1d9ed9f Author: Robin Murphy Date: Fri Jun 14 10:42:14 2019 +1000 mm: clean up is_device_*_page() definitions > Also, I don't want to be making the decision if we should keep/remove > DEVICE_PUBLIC, so let's get an Ack from Andrew/etc? > > My main reluctance is that I know there is HW out there that can do > coherent, and I want to believe they are coming with patches, just > too slowly. But I'd also rather those people defend themselves :P Lets keep everything as-is for now. I'm pretty certain nothing will show up, but letting this linger another release or two shouldn't be much of a problem. And if we urgently feel like removing it we can do it after -rc1.