From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiago Vignatti Subject: Re: about mmap dma-buf and sync Date: Mon, 24 Aug 2015 15:01:22 -0300 Message-ID: <55DB5BF2.5070508@intel.com> References: <55D50442.5080102@intel.com> <55D57837.4080301@vmware.com> <55D7AF11.9090809@intel.com> <55DAE8F5.6010302@shipmail.org> <55DB4CAC.6070404@vmware.com> <55DB5022.7010509@vmware.com> <55DB5782.2020004@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id A6B866E391 for ; Mon, 24 Aug 2015 11:01:25 -0700 (PDT) In-Reply-To: <55DB5782.2020004@vmware.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thomas Hellstrom , Daniel Stone Cc: Daniel Vetter , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org T24gMDgvMjQvMjAxNSAwMjo0MiBQTSwgVGhvbWFzIEhlbGxzdHJvbSB3cm90ZToKPiBPbiAwOC8y NC8yMDE1IDA3OjEyIFBNLCBEYW5pZWwgU3RvbmUgd3JvdGU6Cj4+IEhpLAo+Pgo+PiBPbiAyNCBB dWd1c3QgMjAxNSBhdCAxODoxMCwgVGhvbWFzIEhlbGxzdHJvbSA8dGhlbGxzdHJvbUB2bXdhcmUu Y29tPiB3cm90ZToKPj4+IE9uIDA4LzI0LzIwMTUgMDc6MDQgUE0sIERhbmllbCBTdG9uZSB3cm90 ZToKPj4+PiBPbiAyNCBBdWd1c3QgMjAxNSBhdCAxNzo1NiwgVGhvbWFzIEhlbGxzdHJvbSA8dGhl bGxzdHJvbUB2bXdhcmUuY29tPiB3cm90ZToKPj4+Pj4gT24gMDgvMjQvMjAxNSAwNTo1MiBQTSwg RGFuaWVsIFN0b25lIHdyb3RlOgo+Pj4+Pj4gSSBzdGlsbCBkb24ndCB0aGluayB0aGlzIGFtZWxp b3JhdGVzIHRoZSBuZWVkIGZvciBiYXRjaGluZzogY29uc2lkZXIKPj4+Pj4+IHRoZSBjYXNlIHdo ZXJlIHlvdSB1cGRhdGUgdHdvIGRpc2pvaW50IHNjcmVlbiByZWdpb25zIGFuZCB3YW50IHRoZW0K Pj4+Pj4+IGJvdGggZmx1c2hlZC4gRWl0aGVyIHlvdSBpc3N1ZSB0d28gc2VwYXJhdGUgc3luYyBj YWxscyAod2hpY2ggY2FuIGJlCj4+Pj4+PiBkaXNhZHZhbnRhZ2VvdXMgcGVyZm9ybWFuY2Utd2lz ZSBvbiBzb21lIGhhcmR3YXJlIC8gc2V0dXBzKSwgb3IgeW91Cj4+Pj4+PiBhY2N1bXVsYXRlIHRo ZSByZWdpb25zIGFuZCBvbmx5IGZsdXNoIGxhdGVyLiBTbyBlaXRoZXIgdHdvIGlvY3RscyAob25l Cj4+Pj4+PiBpbiB0aGUgc3R5bGUgb2YgZGlydHlmYiBhbmQgb25lIHRvIHBlcmZvcm0gdGhlIHN5 bmMvZmx1c2g7IHlvdSBjYW4KPj4+Pj4+IHNob3J0Y3V0IHRvIGFzc3VtZSB0aGUgZnVsbCBidWZm ZXIgd2FzIGRhbWFnZWQgaWYgdGhlIGZvcm1lciBpcwo+Pj4+Pj4gbWlzc2luZyksIG9yIG9uZSBs aWtlIHRoaXM6Cj4+Pj4+Pgo+Pj4+Pj4gc3RydWN0IGRtYV9idWZfc3luY18yZCB7Cj4+Pj4+PiAg ICAgICAgICBlbnVtIGRtYV9idWZfc3luY19mbGFncyBmbGFnczsKPj4+Pj4+Cj4+Pj4+PiAgICAg ICAgICBfX3U2NCBzdHJpZGVfYnl0ZXM7Cj4+Pj4+PiAgICAgICAgICBfX3UzMiBieXRlc19wZXJf cGl4ZWw7Cj4+Pj4+PiAgICAgICAgICBfX3UzMiBudW1fcmVnaW9uczsKPj4+Pj4+Cj4+Pj4+PiAg ICAgICAgICBzdHJ1Y3Qgewo+Pj4+Pj4gICAgICAgICAgICAgICAgICBfX3U2NCB4Owo+Pj4+Pj4g ICAgICAgICAgICAgICAgICBfX3U2NCB5Owo+Pj4+Pj4gICAgICAgICAgICAgICAgICBfX3U2NCB3 aWR0aDsKPj4+Pj4+ICAgICAgICAgICAgICAgICAgX191NjQgaGVpZ2h0Owo+Pj4+Pj4gICAgICAg ICAgfSByZWdpb25zW107Cj4+Pj4+PiB9Owo+Pj4+PiBGaW5lIHdpdGggbWUsIGFsdGhvdWdoIHBl cmhhcHMgYnl0ZXNfcGVyX3BpeGVsIGlzIGEgYml0IHJlZHVuZGFudD8KPj4+PiBSZWR1bmRhbnQg aG93PyBJdCdzIG5vdCBpbXBsaWNpdCBpbiBzdHJpZGUuCj4+PiBGb3IgZmx1c2hpbmcgcHVycG9z ZXMsIGlzbid0IGl0IHBvc3NpYmxlIHRvIGNvdmVyIGFsbCBjYXNlcyBieSBhc3N1bWluZwo+Pj4g Ynl0ZXNfcGVyX3BpeGVsPTE/IE5vdCB0aGF0IGl0IG1hdHRlcnMgbXVjaC4KPj4gU3VyZSwgdGhv dWdoIGluIHRoYXQgY2FzZSBiZXN0IHRvIHJlcGxhY2UgeCB3aXRoIGxpbmVfYnl0ZV9vZmZzZXQg b3IKPj4gc29tZXRoaW5nLCBiZWNhdXNlIG90aGVyd2lzZSBJIGd1YXJhbnRlZSB5b3UgZXZlcnlv bmUgd2lsbCBnZXQgaXQKPj4gd3JvbmcsIGFuZCBpdCdsbCBiZSBhIHBhaW4gdG8gdHJhY2sgZG93 bi4gTGlrZSBob3cgSSBtYW5hZ2VkIHRvCj4+IG1pc3JlYWQgaXQgbm93LiA6KQo+Cj4gT0ssIHll YWggeW91IGhhdmUgYSBwb2ludC4gSU1PIGxldCdzIGdvIGZvciB5b3VyIHByb3Bvc2FsLgo+Cj4g VGlhZ28sIGlzIHRoaXMgT0sgd2l0aCB5b3U/Cgp5dXAsIEkgdGhpbmsgc28uIFNvIElJVUMgdGhl IG1haW4gY2hhbmdlcyBuZWVkZWQgZm9yIHRoZSBkcml2ZXJzIAppbXBsZW1lbnQgMkQgc3luYyBs aWVzIGluIHRoZSBkbWFfYnVmX3N5bmNfMmQgc3RydWN0dXJlIG9ubHkuIEkuZS4gCnRoZXJlJ3Mg bm90aGluZyByZWFsbHkgdG8gYmUgY2hhbmdlZCBpbiB0aGUgY29tbW9uIGNvZGUsIHJpZ2h0PyBU aGVuIApJJ2xsIGp1c3QgbmVlZCB0byBzdGljayBzb21ld2hlcmUgdGhlIGxvZ2ljIGFib3V0IG1h a2luZyBzeW5jIG1hbmRhdG9yeSwgCndoaWNoIEkgY291bGRuJ3QgY29uY2x1ZGUgbXVjaCBmcm9t IHlvdXIgZGlzY3Vzc2lvbnMgd2l0aCBKZXJvbWUgZXQgYWwuIApJJ2xsIG5lZWQgdG8gaW52ZXN0 aWdhdGUgbW9yZSBoZXJlLgoKQWxzbywgSSBzdGlsbCB3YW50IHRvIGl0ZXJhdGUgd2l0aCBHb29n bGUgcG9saWN5IHRlYW0gYWJvdXQgdGhlIGFjdHVhbCAKbmVlZCBmb3IgYSBzeXNjYWxsLiBCdXQg SSBiZWxpZXZlIHRoYXQgZXZlbnR1YWxseSBjb3VsZCBiZSBhbiBzZWNvbmRhcnkgCnBoYXNlIG9m IHRoaXMgd29yayAoaW4gY2FzZSB3ZSBldmVyIGFncmVlIHVwb24gaGF2aW5nIHRoYXQpLgoKVGlh Z28KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1k ZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==