From mboxrd@z Thu Jan  1 00:00:00 1970
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH 4/8] xen/gntdev: Allow mappings for DMA
 buffers
Date: Tue, 29 May 2018 17:52:14 -0400
Message-ID: <9f2999a8-7786-5811-bdf0-ff7f30301cf2__43900.8414432921$1527635444$gmane$org@oracle.com>
References: <20180525153331.31188-1-andr2000@gmail.com>
 <20180525153331.31188-5-andr2000@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xenproject.org>
Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6])
 by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from
 <srs0=4xbq=iq=oracle.com=boris.ostrovsky@srs-us1.protection.inumbo.net>)
 id 1fNnma-0006ys-LR
 for xen-devel@lists.xenproject.org; Tue, 29 May 2018 23:12:00 +0000
In-Reply-To: <20180525153331.31188-5-andr2000@gmail.com>
Content-Language: en-US
List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xenproject.org>
List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help>
List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xenproject.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
To: Oleksandr Andrushchenko <andr2000@gmail.com>, xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, jgross@suse.com, konrad.wilk@oracle.com
Cc: daniel.vetter@intel.com, matthew.d.roper@intel.com, dongwon.kim@intel.com, Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
List-Id: xen-devel@lists.xenproject.org

T24gMDUvMjUvMjAxOCAxMTozMyBBTSwgT2xla3NhbmRyIEFuZHJ1c2hjaGVua28gd3JvdGU6Cj4g
IAo+ICBzdHJ1Y3QgdW5tYXBfbm90aWZ5IHsKPiBAQCAtOTYsMTAgKzEwNCwyOCBAQCBzdHJ1Y3Qg
Z3JhbnRfbWFwIHsKPiAgCXN0cnVjdCBnbnR0YWJfdW5tYXBfZ3JhbnRfcmVmICprdW5tYXBfb3Bz
Owo+ICAJc3RydWN0IHBhZ2UgKipwYWdlczsKPiAgCXVuc2lnbmVkIGxvbmcgcGFnZXNfdm1fc3Rh
cnQ7Cj4gKwo+ICsjaWZkZWYgQ09ORklHX1hFTl9HUkFOVF9ETUFfQUxMT0MKPiArCS8qCj4gKwkg
KiBJZiBkbWFidWZfdmFkZHIgaXMgbm90IE5VTEwgdGhlbiB0aGlzIG1hcHBpbmcgaXMgYmFja2Vk
IGJ5IERNQQo+ICsJICogY2FwYWJsZSBtZW1vcnkuCj4gKwkgKi8KPiArCj4gKwkvKiBEZXZpY2Ug
Zm9yIHdoaWNoIERNQSBtZW1vcnkgaXMgYWxsb2NhdGVkLiAqLwo+ICsJc3RydWN0IGRldmljZSAq
ZG1hX2RldjsKPiArCS8qIEZsYWdzIHVzZWQgdG8gY3JlYXRlIHRoaXMgRE1BIGJ1ZmZlcjogR05U
REVWX0RNQUJVRl9GTEFHX1hYWC4gKi8KPiArCWJvb2wgZG1hX2ZsYWdzOwoKQWdhaW4sIEkgdGhp
bmsgbW9zdCBvZiB0aGUgY29tbWVudHMgaGVyZSBjYW4gYmUgZHJvcHBlZC4gRXhjZXB0IHBvc3Np
Ymx5CmZvciB0aGUgZmxhZ3MuCgo+ICsJLyogVmlydHVhbC9DUFUgYWRkcmVzcyBvZiB0aGUgRE1B
IGJ1ZmZlci4gKi8KPiArCXZvaWQgKmRtYV92YWRkcjsKPiArCS8qIEJ1cyBhZGRyZXNzIG9mIHRo
ZSBETUEgYnVmZmVyLiAqLwo+ICsJZG1hX2FkZHJfdCBkbWFfYnVzX2FkZHI7Cj4gKyNlbmRpZgo+
ICB9Owo+ICAKPiAgc3RhdGljIGludCB1bm1hcF9ncmFudF9wYWdlcyhzdHJ1Y3QgZ3JhbnRfbWFw
ICptYXAsIGludCBvZmZzZXQsIGludCBwYWdlcyk7Cj4gIAo+ICtzdGF0aWMgc3RydWN0IG1pc2Nk
ZXZpY2UgZ250ZGV2X21pc2NkZXY7Cj4gKwo+ICAvKiAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t
LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0gKi8KPiAgCj4gIHN0YXRp
YyB2b2lkIGdudGRldl9wcmludF9tYXBzKHN0cnVjdCBnbnRkZXZfcHJpdiAqcHJpdiwKPiBAQCAt
MTIxLDggKzE0NywyNiBAQCBzdGF0aWMgdm9pZCBnbnRkZXZfZnJlZV9tYXAoc3RydWN0IGdyYW50
X21hcCAqbWFwKQo+ICAJaWYgKG1hcCA9PSBOVUxMKQo+ICAJCXJldHVybjsKPiAgCj4gKyNpZmRl
ZiBDT05GSUdfWEVOX0dSQU5UX0RNQV9BTExPQwo+ICsJaWYgKG1hcC0+ZG1hX3ZhZGRyKSB7Cj4g
KwkJc3RydWN0IGdudHRhYl9kbWFfYWxsb2NfYXJncyBhcmdzOwo+ICsKPiArCQlhcmdzLmRldiA9
IG1hcC0+ZG1hX2RldjsKPiArCQlhcmdzLmNvaGVyZW50ID0gbWFwLT5kbWFfZmxhZ3MgJiBHTlRE
RVZfRE1BX0ZMQUdfQ09IRVJFTlQ7Cj4gKwkJYXJncy5ucl9wYWdlcyA9IG1hcC0+Y291bnQ7Cj4g
KwkJYXJncy5wYWdlcyA9IG1hcC0+cGFnZXM7Cj4gKwkJYXJncy52YWRkciA9IG1hcC0+ZG1hX3Zh
ZGRyOwo+ICsJCWFyZ3MuZGV2X2J1c19hZGRyID0gbWFwLT5kbWFfYnVzX2FkZHI7Cj4gKwo+ICsJ
CWdudHRhYl9kbWFfZnJlZV9wYWdlcygmYXJncyk7Cj4gKwl9IGVsc2UgaWYgKG1hcC0+cGFnZXMp
IHsKPiArCQlnbnR0YWJfZnJlZV9wYWdlcyhtYXAtPmNvdW50LCBtYXAtPnBhZ2VzKTsKPiArCX0K
PiArI2Vsc2UKPiAgCWlmIChtYXAtPnBhZ2VzKQo+ICAJCWdudHRhYl9mcmVlX3BhZ2VzKG1hcC0+
Y291bnQsIG1hcC0+cGFnZXMpOwo+ICsjZW5kaWYKPiArCgp9IGVsc2UKI2VuZGlmCsKgwqDCoCBp
ZiAobWFwLT5wYWdlcykKwqDCoMKgIMKgwqDCoCBnbnR0YWJfZnJlZV9wYWdlcyhtYXAtPmNvdW50
LCBtYXAtPnBhZ2VzKTsKCgooYW5kIGVsc2V3aGVyZSkKCj4gIAlrZnJlZShtYXAtPnBhZ2VzKTsK
PiAgCWtmcmVlKG1hcC0+Z3JhbnRzKTsKPiAgCWtmcmVlKG1hcC0+bWFwX29wcyk7CgoKCj4gIAo+
IGRpZmYgLS1naXQgYS9pbmNsdWRlL3VhcGkveGVuL2dudGRldi5oIGIvaW5jbHVkZS91YXBpL3hl
bi9nbnRkZXYuaAo+IGluZGV4IDZkMTE2MzQ1NmMwMy4uMmQ1YTQ2NzJmMDdjIDEwMDY0NAo+IC0t
LSBhL2luY2x1ZGUvdWFwaS94ZW4vZ250ZGV2LmgKPiArKysgYi9pbmNsdWRlL3VhcGkveGVuL2du
dGRldi5oCj4gQEAgLTIwMCw0ICsyMDAsMTkgQEAgc3RydWN0IGlvY3RsX2dudGRldl9ncmFudF9j
b3B5IHsKPiAgLyogU2VuZCBhbiBpbnRlcnJ1cHQgb24gdGhlIGluZGljYXRlZCBldmVudCBjaGFu
bmVsICovCj4gICNkZWZpbmUgVU5NQVBfTk9USUZZX1NFTkRfRVZFTlQgMHgyCj4gIAo+ICsvKgo+
ICsgKiBGbGFncyB0byBiZSB1c2VkIHdoaWxlIHJlcXVlc3RpbmcgbWVtb3J5IG1hcHBpbmcncyBi
YWNraW5nIHN0b3JhZ2UKPiArICogdG8gYmUgYWxsb2NhdGVkIHdpdGggRE1BIEFQSS4KPiArICov
Cj4gKwo+ICsvKgo+ICsgKiBUaGUgYnVmZmVyIGlzIGJhY2tlZCB3aXRoIG1lbW9yeSBhbGxvY2F0
ZWQgd2l0aCBkbWFfYWxsb2Nfd2MuCj4gKyAqLwo+ICsjZGVmaW5lIEdOVERFVl9ETUFfRkxBR19X
QwkJKDEgPDwgMSkKCgpJcyB0aGVyZSBhIHJlYXNvbiB5b3UgYXJlIG5vdCB1c2luZyBiaXQgMD8K
Ci1ib3JpcwoKPiArCj4gKy8qCj4gKyAqIFRoZSBidWZmZXIgaXMgYmFja2VkIHdpdGggbWVtb3J5
IGFsbG9jYXRlZCB3aXRoIGRtYV9hbGxvY19jb2hlcmVudC4KPiArICovCj4gKyNkZWZpbmUgR05U
REVWX0RNQV9GTEFHX0NPSEVSRU5UCSgxIDw8IDIpCj4gKwo+ICAjZW5kaWYgLyogX19MSU5VWF9Q
VUJMSUNfR05UREVWX0hfXyAqLwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnBy
b2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94
ZW4tZGV2ZWw=