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received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 2c4qHS6GwJ3Kyf/bXhfuYzpP/BkECVkL/R/HzZc31YaRSsOMAw1sMkiNRHOAEq9KscWWRq6fgIQ/hloC/Huo9xpKKE5/PyYaRNwvcdI066KcYbhj/wpki6RdfLQbOQ8USex3D6EuDXoTgkFs57wPIakBiWYCRXIpkkA7ROoDjPJsgOevHcmYTVbqNotkwzn7vNENO6BCNwxfbyLpLp4y6pdnW+E5z/Y2c3BTWbKVT/a36iN66bhkte2btfO9SXX7Q3clPw+KKx3tKcK66RH0rsVCQsfq5eyxmdOKIzq0BSPCAcGimph4NgIPNFZMLFbHFfUcRs3kz1MdE6Yh0PigfBRczCNWykcZRAKSMQQ/0uQZGmWUmZzmTj2p7iowPASBKLArNkceLDbdWR5DYNuKlQy1h6J54qJ9XWAYV149y9c= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: f45b61d7-a50f-490b-5550-08d6c33be0bc X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Apr 2019 13:52:06.6253 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB3470 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org VGhhbmtzIENocmlzdGlhbiwgZ3JlYXQgam9iLiBJIHdpbGwgdmVyaWZ5IGl0IHRoaXMgd2VlayB3 aGVuIEkgZmluaXNoIG15IA0KY3VycmVudCB3b3JrIG9uIGhhbmQuDQoNCi1EYXZpZA0KDQrlnKgg MjAxOS80LzE3IDI6MzgsIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6DQo+IEhpIGV2ZXJ5Ym9keSwN Cj4NCj4gY29yZSBpZGVhIGluIHRoaXMgcGF0Y2ggc2V0IGlzIHRoYXQgRE1BLWJ1ZiBpbXBvcnRl cnMgY2FuIG5vdyBwcm92aWRlIGFuIG9wdGlvbmFsIGludmFsaWRhdGUgY2FsbGJhY2suIFVzaW5n IHRoaXMgY2FsbGJhY2sgYW5kIHRoZSByZXNlcnZhdGlvbiBvYmplY3QgZXhwb3J0ZXJzIGNhbiBu b3cgYXZvaWQgcGlubmluZyBETUEtYnVmIG1lbW9yeSBmb3IgYSBsb25nIHRpbWUgd2hpbGUgc2hh cmluZyBpdCBiZXR3ZWVuIGRldmljZXMuDQo+DQo+IEkndmUgYWxyZWFkeSBzZW5kIG91dCBhbiBv bGRlciB2ZXJzaW9uIHJvdWdobHkgYSB5ZWFyIGFnbywgYnV0IGRpZG4ndCBoYWQgdGltZSB0byBm dXJ0aGVyIGxvb2sgaW50byBjbGVhbmluZyB0aGlzIHVwLg0KPg0KPiBUaGUgbGFzdCB0aW1lIGEg bWFqb3IgcHJvYmxlbSB3YXMgdGhhdCB3ZSB3b3VsZCBoYWQgdG8gZml4IHVwIGFsbCBkcml2ZXJz IGltcGxlbWVudGluZyBETUEtYnVmIGF0IG9uY2UuDQo+DQo+IE5vdyBJIGF2b2lkIHRoaXMgYnkg YWxsb3dpbmcgbWFwcGluZ3MgdG8gYmUgY2FjaGVkIGluIHRoZSBETUEtYnVmIGF0dGFjaG1lbnQg YW5kIHNvIGRyaXZlciBjYW4gb3B0aW9uYWxseSBtb3ZlIG92ZXIgdG8gdGhlIG5ldyBpbnRlcmZh Y2Ugb25lIGJ5IG9uZS4NCj4NCj4gVGhpcyBpcyBhbHNvIGEgcHJlcmVxdWlzaXRlIHRvIG15IHBh dGNoc2V0IGVuYWJsaW5nIHNoYXJpbmcgb2YgZGV2aWNlIG1lbW9yeSB3aXRoIERNQS1idWYuDQo+ DQo+IFBsZWFzZSByZXZpZXcgYW5kL29yIGNvbW1lbnQsDQo+IENocmlzdGlhbi4NCj4NCj4NCj4g X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCj4gZHJpLWRl dmVsIG1haWxpbmcgbGlzdA0KPiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnDQo+IGh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsDQo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chunming Zhou Subject: Re: dynamic DMA-buf sharing between devices Date: Wed, 17 Apr 2019 13:52:06 +0000 Message-ID: References: <20190416183841.1577-1-christian.koenig@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190416183841.1577-1-christian.koenig-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US Content-ID: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "sumit.semwal-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org" , "linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" List-Id: dri-devel@lists.freedesktop.org VGhhbmtzIENocmlzdGlhbiwgZ3JlYXQgam9iLiBJIHdpbGwgdmVyaWZ5IGl0IHRoaXMgd2VlayB3 aGVuIEkgZmluaXNoIG15IA0KY3VycmVudCB3b3JrIG9uIGhhbmQuDQoNCi1EYXZpZA0KDQrlnKgg MjAxOS80LzE3IDI6MzgsIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6DQo+IEhpIGV2ZXJ5Ym9keSwN Cj4NCj4gY29yZSBpZGVhIGluIHRoaXMgcGF0Y2ggc2V0IGlzIHRoYXQgRE1BLWJ1ZiBpbXBvcnRl cnMgY2FuIG5vdyBwcm92aWRlIGFuIG9wdGlvbmFsIGludmFsaWRhdGUgY2FsbGJhY2suIFVzaW5n IHRoaXMgY2FsbGJhY2sgYW5kIHRoZSByZXNlcnZhdGlvbiBvYmplY3QgZXhwb3J0ZXJzIGNhbiBu b3cgYXZvaWQgcGlubmluZyBETUEtYnVmIG1lbW9yeSBmb3IgYSBsb25nIHRpbWUgd2hpbGUgc2hh cmluZyBpdCBiZXR3ZWVuIGRldmljZXMuDQo+DQo+IEkndmUgYWxyZWFkeSBzZW5kIG91dCBhbiBv bGRlciB2ZXJzaW9uIHJvdWdobHkgYSB5ZWFyIGFnbywgYnV0IGRpZG4ndCBoYWQgdGltZSB0byBm dXJ0aGVyIGxvb2sgaW50byBjbGVhbmluZyB0aGlzIHVwLg0KPg0KPiBUaGUgbGFzdCB0aW1lIGEg bWFqb3IgcHJvYmxlbSB3YXMgdGhhdCB3ZSB3b3VsZCBoYWQgdG8gZml4IHVwIGFsbCBkcml2ZXJz IGltcGxlbWVudGluZyBETUEtYnVmIGF0IG9uY2UuDQo+DQo+IE5vdyBJIGF2b2lkIHRoaXMgYnkg YWxsb3dpbmcgbWFwcGluZ3MgdG8gYmUgY2FjaGVkIGluIHRoZSBETUEtYnVmIGF0dGFjaG1lbnQg YW5kIHNvIGRyaXZlciBjYW4gb3B0aW9uYWxseSBtb3ZlIG92ZXIgdG8gdGhlIG5ldyBpbnRlcmZh Y2Ugb25lIGJ5IG9uZS4NCj4NCj4gVGhpcyBpcyBhbHNvIGEgcHJlcmVxdWlzaXRlIHRvIG15IHBh dGNoc2V0IGVuYWJsaW5nIHNoYXJpbmcgb2YgZGV2aWNlIG1lbW9yeSB3aXRoIERNQS1idWYuDQo+ DQo+IFBsZWFzZSByZXZpZXcgYW5kL29yIGNvbW1lbnQsDQo+IENocmlzdGlhbi4NCj4NCj4NCj4g X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18NCj4gZHJpLWRl dmVsIG1haWxpbmcgbGlzdA0KPiBkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnDQo+IGh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsDQpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1h aWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZng=