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=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,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 5C7FEC3279B for ; Wed, 4 Jul 2018 08:10:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 155F2224E6 for ; Wed, 4 Jul 2018 08:10:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="fq4DnXrU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 155F2224E6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933950AbeGDIKO (ORCPT ); Wed, 4 Jul 2018 04:10:14 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:34820 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932701AbeGDIIL (ORCPT ); Wed, 4 Jul 2018 04:08:11 -0400 Received: by mail-ed1-f68.google.com with SMTP id b10-v6so3403240edi.2 for ; Wed, 04 Jul 2018 01:08:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=sender:date:from:to:cc:subject:message-id:mail-followup-to :references:mime-version:content-disposition:in-reply-to:user-agent; bh=w66l6tz+r9p4F+Eoe4KThD6XXTh3DwUn+pN+Ovv0ArA=; b=fq4DnXrU9XfzzdzAnxiW9bpfRcYcKQ2ZwlsPkbG4+UFrySbzX7JrLhzBqoWuSgk8Px f7c5M/CpUgJT2mehgkzrWcePFOT9KZ+DO92XdBqWkyefpfN5UFvMxMe0SFF3Xb8MjBKa XCulOex7ut42nVMCAVxAvktVHNz4CIumsc4gc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mail-followup-to:references:mime-version:content-disposition :in-reply-to:user-agent; bh=w66l6tz+r9p4F+Eoe4KThD6XXTh3DwUn+pN+Ovv0ArA=; b=azekGri5CRNszWY7Ep5KsSO8x56DdSpfEyY/wtlOfc7hu5wqCTS1OXOIqWfNXuinRu dR1Ok9uXwCghkkFA1vWCVBL4EHEm8c3xgyMHAH1DQWS0Cj2idP2TrKpgPnh7SE5wiCYu 0bTfposyKZ25PDjETZs8yXwHGghgLVazsQgB4zs7CavQMCmaPaVW9FxHmb0lR+kNx9LA 83pBSu1QED/IaX2Jkl9ouBHlwNOfslPMdLQvB/+zmenC0IcrK9OqrIWSXY/0xu+IwZmh oTtim+70xBis763eSeFKSdYBUn3QziB+jt1iWwYaR3IDZtpurbXSGrK0vB8jk2HHrZvP F/SA== X-Gm-Message-State: APt69E0Q46nGBgUdR+g8z741LRcE1BH+i69or0LJaFGGvpYAXZxWuzrq s7DwDMgw+qOB47MyBoYPEhLHDA== X-Google-Smtp-Source: AAOMgpdcHbRDLZ3ijVt1yc51ifPGGVOJD83Y+RN5OB+aRLji3Y4YzJQtYVu+CL0a7CEBuUKQ+bweYg== X-Received: by 2002:a50:bb41:: with SMTP id y59-v6mr1683861ede.10.1530691690319; Wed, 04 Jul 2018 01:08:10 -0700 (PDT) Received: from phenom.ffwll.local ([2a02:168:5628:0:496f:7dc5:66d7:a057]) by smtp.gmail.com with ESMTPSA id j34-v6sm1656944edd.2.2018.07.04.01.08.08 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 04 Jul 2018 01:08:09 -0700 (PDT) Date: Wed, 4 Jul 2018 10:08:07 +0200 From: Daniel Vetter To: Gerd Hoffmann Cc: dri-devel@lists.freedesktop.org, David Airlie , Tomeu Vizoso , Laurent Pinchart , Jonathan Corbet , Sumit Semwal , Shuah Khan , "open list:DOCUMENTATION" , open list , "open list:DMA BUFFER SHARING FRAMEWORK" , "moderated list:DMA BUFFER SHARING FRAMEWORK" , "open list:KERNEL SELFTEST FRAMEWORK" Subject: Re: [PATCH v6] Add udmabuf misc device Message-ID: <20180704080807.GH3891@phenom.ffwll.local> Mail-Followup-To: Gerd Hoffmann , dri-devel@lists.freedesktop.org, David Airlie , Tomeu Vizoso , Laurent Pinchart , Jonathan Corbet , Sumit Semwal , Shuah Khan , "open list:DOCUMENTATION" , open list , "open list:DMA BUFFER SHARING FRAMEWORK" , "moderated list:DMA BUFFER SHARING FRAMEWORK" , "open list:KERNEL SELFTEST FRAMEWORK" References: <20180703075359.30349-1-kraxel@redhat.com> <20180703083757.GG7880@phenom.ffwll.local> <20180704055338.n3b7oexltaejqmcd@sirius.home.kraxel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180704055338.n3b7oexltaejqmcd@sirius.home.kraxel.org> X-Operating-System: Linux phenom 4.16.0-2-amd64 User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 04, 2018 at 07:53:38AM +0200, Gerd Hoffmann wrote: > On Tue, Jul 03, 2018 at 10:37:57AM +0200, Daniel Vetter wrote: > > On Tue, Jul 03, 2018 at 09:53:58AM +0200, Gerd Hoffmann wrote: > > > A driver to let userspace turn memfd regions into dma-bufs. > > > > > > Use case: Allows qemu create dmabufs for the vga framebuffer or > > > virtio-gpu ressources. Then they can be passed around to display > > > those guest things on the host. To spice client for classic full > > > framebuffer display, and hopefully some day to wayland server for > > > seamless guest window display. > > > > > > qemu test branch: > > > https://git.kraxel.org/cgit/qemu/log/?h=sirius/udmabuf > > > > > > Cc: David Airlie > > > Cc: Tomeu Vizoso > > > Cc: Laurent Pinchart > > > Cc: Daniel Vetter > > > Signed-off-by: Gerd Hoffmann > > > > I think some ack for a 2nd use-case, like virtio-wl or whatever would be > > really cool. To give us some assurance that this is generically useful. > > Tomeu? Laurent? > > > Plus an ack from dma-buf folks (nag them on irc, you don't have them on Cc > > here). > > Hmm, does MAINTAINERS need an update then? Maintainer and mailing lists > listed in the "DMA BUFFER SHARING FRAMEWORK" entry are on Cc. Yeah, maintainers entry with you as maintainer plus dri-devel as mailing list plus drm-misc as repo would be good. Just grep for drm-misc.git for tons of examples. > Who should be Cc'ed? dim add-missing-cc ftw :-) Cheers, Daniel > > > Then this is imo good to go. > > > > I assume you'll push it to drm-misc, like all the other dma-buf stuff? > > Can do that, sure, after collecting the acks ... > > thanks, > Gerd > > -- > To unsubscribe from this list: send the line "unsubscribe linux-doc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch