From mboxrd@z Thu Jan  1 00:00:00 1970
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [Linaro-mm-sig] [PATCH 4/8] dma-buf: add peer2peer flag
Date: Tue, 24 Apr 2018 22:48:55 -0700
Message-ID: <20180425054855.GA17038@infradead.org>
References: <CAKMK7uEFVOh-R2_4vs1M22_wDau0oNTgmCcTWDE+ScxL=92+2g@mail.gmail.com>
 <20180419081657.GA16735@infradead.org>
 <20180420071312.GF31310@phenom.ffwll.local>
 <3e17afc5-7d6c-5795-07bd-f23e34cf8d4b@gmail.com>
 <20180420101755.GA11400@infradead.org>
 <f1100bd6-dd98-55a9-a92f-1cad919f235f@amd.com>
 <20180420124625.GA31078@infradead.org>
 <20180420152111.GR31310@phenom.ffwll.local>
 <20180424184847.GA3247@infradead.org>
 <CAKMK7uFL68pu+-9LODTgz+GQYvxpnXOGhxfz9zorJ_JKsPVw2g@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <dri-devel-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <CAKMK7uFL68pu+-9LODTgz+GQYvxpnXOGhxfz9zorJ_JKsPVw2g@mail.gmail.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/dri-devel>
List-Post: <mailto:dri-devel@lists.freedesktop.org>
List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>,
 <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe>
Errors-To: dri-devel-bounces@lists.freedesktop.org
Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: "moderated list:DMA BUFFER SHARING FRAMEWORK" <linaro-mm-sig@lists.linaro.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, amd-gfx list <amd-gfx@lists.freedesktop.org>, Christoph Hellwig <hch@infradead.org>, Jerome Glisse <jglisse@redhat.com>, dri-devel <dri-devel@lists.freedesktop.org>, Dan Williams <dan.j.williams@intel.com>, Logan Gunthorpe <logang@deltatee.com>, Christian =?iso-8859-1?Q?K=F6nig?= <christian.koenig@amd.com>, "open list:DMA BUFFER SHARING FRAMEWORK" <linux-media@vger.kernel.org>
List-Id: amd-gfx.lists.freedesktop.org
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==