From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?Q?Christian_K=c3=b6nig?= <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [Linaro-mm-sig] [PATCH 1/5] dma-buf: add optional
 invalidate_mappings callback v2
Date: Wed, 21 Mar 2018 12:54:20 +0100
Message-ID: <327c4bc1-5813-16e8-62fc-4301b19a1a22@gmail.com>
References: <20180316132049.1748-1-christian.koenig@amd.com>
 <20180316132049.1748-2-christian.koenig@amd.com>
 <152120831102.25315.4326885184264378830@mail.alporthouse.com>
 <21879456-db47-589c-b5e2-dfe8333d9e4c@gmail.com>
 <152147480241.18954.4556582215766884582@mail.alporthouse.com>
 <0bd85f69-c64c-70d1-a4a0-10ae0ed8b4e8@gmail.com>
 <CAKMK7uH3xNkx3UFBMdcJ415F2WsC7s_D+CDAjLAh1p-xo5RfSA@mail.gmail.com>
 <19ed21a5-805d-271f-9120-49e0c00f510f@amd.com>
 <20180320140810.GU14155@phenom.ffwll.local>
 <37ba7394-2a5c-a0bc-cc51-c8a0edc2991d@gmail.com>
 <20180321082839.GA14155@phenom.ffwll.local>
Reply-To: christian.koenig-5C7GfCeVMHo@public.gmane.org
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <20180321082839.GA14155-dv86pmgwkMBes7Z6vYuT8azUEOm+Xw19@public.gmane.org>
Content-Language: en-US
List-Id: Discussion list for AMD gfx <amd-gfx.lists.freedesktop.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: Daniel Vetter <daniel-/w4YWyX8dFk@public.gmane.org>, christian.koenig-5C7GfCeVMHo@public.gmane.org
Cc: "moderated list:DMA BUFFER SHARING FRAMEWORK" <linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>, Daniel Vetter <daniel.vetter-/w4YWyX8dFk@public.gmane.org>, dri-devel <dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>, amd-gfx list <amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>, "open list:DMA BUFFER SHARING FRAMEWORK" <linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
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