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=-5.3 required=3.0 tests=BAYES_00, 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 3478FC07E96 for ; Tue, 6 Jul 2021 12:28:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0CEAD622F8 for ; Tue, 6 Jul 2021 12:28:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243087AbhGFM2o (ORCPT ); Tue, 6 Jul 2021 08:28:44 -0400 Received: from verein.lst.de ([213.95.11.211]:33252 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236451AbhGFMYD (ORCPT ); Tue, 6 Jul 2021 08:24:03 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 9F9BF68C7B; Tue, 6 Jul 2021 14:21:11 +0200 (CEST) Date: Tue, 6 Jul 2021 14:21:10 +0200 From: Christoph Hellwig To: Oded Gabbay , linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, sumit.semwal@linaro.org, christian.koenig@amd.com, galpress@amazon.com, sleybo@amazon.com, dri-devel@lists.freedesktop.org, jgg@ziepe.ca, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, dledford@redhat.com, airlied@gmail.com, alexander.deucher@amd.com, leonro@nvidia.com, hch@lst.de, amd-gfx@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Subject: Re: [PATCH v4 0/2] Add p2p via dmabuf to habanalabs Message-ID: <20210706122110.GA18273@lst.de> References: <20210705130314.11519-1-ogabbay@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 06, 2021 at 10:40:37AM +0200, Daniel Vetter wrote: > > Greg, I hope this will be good enough for you to merge this code. > > So we're officially going to use dri-devel for technical details review > and then Greg for merging so we don't have to deal with other merge > criteria dri-devel folks have? > > I don't expect anything less by now, but it does make the original claim > that drivers/misc will not step all over accelerators folks a complete > farce under the totally-not-a-gpu banner. > > This essentially means that for any other accelerator stack that doesn't > fit the dri-devel merge criteria, even if it's acting like a gpu and uses > other gpu driver stuff, you can just send it to Greg and it's good to go. > > There's quite a lot of these floating around actually (and many do have > semi-open runtimes, like habanalabs have now too, just not open enough to > be actually useful). It's going to be absolutely lovely having to explain > to these companies in background chats why habanalabs gets away with their > stack and they don't. FYI, I fully agree with Daniel here. Habanlabs needs to open up their runtime if they want to push any additional feature in the kernel. The current situation is not sustainable.