From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Subject: Re: [PATCH v4] drm/i915: Clean up associated VMAs on
 context destruction
Date: Thu, 8 Oct 2015 15:03:11 +0100
Message-ID: <5616779F.4070905@linux.intel.com>
References: <1444047996-10142-1-git-send-email-tvrtko.ursulin@linux.intel.com>
 <20151008134559.GY26517@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Received: from mga14.intel.com (mga14.intel.com [192.55.52.115])
 by gabe.freedesktop.org (Postfix) with ESMTP id 9129C6ECF8
 for <Intel-gfx@lists.freedesktop.org>; Thu,  8 Oct 2015 07:03:57 -0700 (PDT)
In-Reply-To: <20151008134559.GY26517@intel.com>
List-Unsubscribe: <http://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <http://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <http://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>, Intel-gfx@lists.freedesktop.org
List-Id: intel-gfx@lists.freedesktop.org

CkhpLAoKT24gMDgvMTAvMTUgMTQ6NDUsIFZpbGxlIFN5cmrDpGzDpCB3cm90ZToKPiBPbiBNb24s
IE9jdCAwNSwgMjAxNSBhdCAwMToyNjozNlBNICswMTAwLCBUdnJ0a28gVXJzdWxpbiB3cm90ZToK
Pj4gRnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KPj4KPj4g
UHJldmVudCBsZWFraW5nIFZNQXMgYW5kIFBQR1RUIFZNcyB3aGVuIG9iamVjdHMgYXJlIGltcG9y
dGVkCj4+IHZpYSBmbGluay4KPj4KPj4gU2NlbmFyaW8gaXMgdGhhdCBhbnkgVk1BcyBjcmVhdGVk
IGJ5IHRoZSBpbXBvcnRlciB3aWxsIGJlIGxlZnQKPj4gZGFuZ2xpbmcgYWZ0ZXIgdGhlIGltcG9y
dGVyIGV4aXRzLCBvciBkZXN0cm95cyB0aGUgUFBHVFQgY29udGV4dAo+PiB3aXRoIHdoaWNoIHRo
ZXkgYXJlIGFzc29jaWF0ZWQuCj4+Cj4+IFRoaXMgaXMgY2F1c2VkIGJ5IG9iamVjdCBkZXN0cnVj
dGlvbiBub3QgcnVubmluZyB3aGVuIHRoZQo+PiBpbXBvcnRlciBjbG9zZXMgdGhlIGJ1ZmZlciBv
YmplY3QgaGFuZGxlIGR1ZSB0aGUgcmVmZXJlbmNlIGhlbGQKPj4gYnkgdGhlIGV4cG9ydGVyLiBU
aGlzIGFsc28gbGVha3MgdGhlIFZNIHNpbmNlIHRoZSBWTUEgaGFzIGEKPj4gcmVmZXJlbmNlIG9u
IGl0Lgo+Pgo+PiBJbiBwcmFjdGljZSB0aGVzZSBsZWFrcyBjYW4gYmUgb2JzZXJ2ZWQgYnkgc3Rv
cHBpbmcgYW5kIHN0YXJ0aW5nCj4+IHRoZSBYIHNlcnZlciBvbiBhIGtlcm5lbCB3aXRoIGZiY29u
IGNvbXBpbGVkIGluLiBFdmVyeSB0aW1lCj4+IFggc2VydmVyIGV4aXRzIGFub3RoZXIgVk1BIHdp
bGwgYmUgbGVha2VkIGFnYWluc3QgdGhlIGZiY29uJ3MKPj4gZnJhbWUgYnVmZmVyIG9iamVjdC4K
Pj4KPj4gQWxzbyBvbiBzeXN0ZW1zIHdoZXJlIGZsaW5rIGJ1ZmZlciBzaGFyaW5nIGlzIHVzZWQg
ZXh0ZW5zaXZlbHksCj4+IGxpa2UgQW5kcm9pZCwgdGhpcyBsZWFrIGhhcyBldmVuIG1vcmUgc2Vy
aW91cyBjb25zZXF1ZW5jZXMuCj4+Cj4+IFRoaXMgdmVyc2lvbiBpcyB0YWtlcyBhIGdlbmVyYWwg
YXBwcm9hY2ggZnJvbSB0aGUgIGVhcmxpZXIgd29yawo+PiBieSBSYWZhZWwgQmFyYmFsaG8gKGRy
bS9pOTE1OiBDbGVhbi11cCBQUEdUVCBvbiBjb250ZXh0Cj4+IGRlc3RydWN0aW9uKSBhbmQgdHJp
ZXMgdG8gaW5jb3Jwb3JhdGUgdGhlIHN1YnNlcXVlbnQgZGlzY3Vzc2lvbgo+PiBiZXR3ZWVuIENo
cmlzIFdpbHNvbiBhbmQgRGFuaWVsIFZldHRlci4KPj4KPj4gdjI6Cj4+Cj4+IFJlbW92ZWQgaW1t
ZWRpYXRlIGNsZWFudXAgb24gb2JqZWN0IHJldGlyZSAtIGl0IHdhcyBjYXVzaW5nIGEKPj4gcmVj
dXJzaXZlIFZNQSB1bmJpbmQgdmlhIGk5MTVfZ2VtX29iamVjdF93YWl0X3JlbmRlcmluZy4gQW5k
Cj4+IGl0IGlzIGluIGZhY3Qgbm90IGV2ZW4gbmVlZGVkIHNpbmNlIGJ5IGRlZmluaXRpb24gY29u
dGV4dAo+PiBjbGVhbnVwIHdvcmtlciBydW5zIG9ubHkgYWZ0ZXIgdGhlIGxhc3QgY29udGV4dCBy
ZWZlcmVuY2UgaGFzCj4+IGJlZW4gZHJvcHBlZCwgaGVuY2UgYWxsIFZNQXMgYWdhaW5zdCB0aGUg
Vk0gYmVsb25naW5nIHRvIHRoZQo+PiBjb250ZXh0IGFyZSBhbHJlYWR5IG9uIHRoZSBpbmFjdGl2
ZSBsaXN0Lgo+Pgo+PiB2MzoKPj4KPj4gUHJldmlvdXMgdmVyc2lvbiBjb3VsZCBkZWFkbG9jayBz
aW5jZSBWTUEgdW5iaW5kIHdhaXRzIG9uIGFueQo+PiByZW5kZXJpbmcgb24gYW4gb2JqZWN0IHRv
IGNvbXBsZXRlLiBPYmplY3RzIGNhbiBiZSBidXN5IGluIGEKPj4gZGlmZmVyZW50IFZNIHdoaWNo
IHdvdWxkIG1lYW4gdGhhdCB0aGUgY2xlYW51cCBsb29wIHdvdWxkIGRvCj4+IHRoZSB3YWl0IHdp
dGggdGhlIHN0cnVjdCBtdXRleCBoZWxkLgo+Pgo+PiBUaGlzIGlzIGFuIGV2ZW4gc2ltcGxlciBh
cHByb2FjaCB3aGVyZSB3ZSBqdXN0IHVuYmluZCBWTUFzCj4+IHdpdGhvdXQgd2FpdGluZyBzaW5j
ZSB3ZSBrbm93IGFsbCBWTUFzIGJlbG9uZ2luZyB0byB0aGlzIFZNCj4+IGFyZSBpZGxlLCBhbmQg
dGhlcmUgaXMgbm90aGluZyBpbiBmbGlnaHQsIGF0IHRoZSBwb2ludAo+PiBjb250ZXh0IGRlc3Ry
dWN0b3IgcnVucy4KPj4KPj4gdjQ6Cj4+Cj4+IERvdWJsZSB1bmRlcnNjb3JlIHByZWZpeCBmb3Ig
X185MTVfdm1hX3VuYmluZF9ub193YWl0IGFuZCBhCj4+IGNvbW1pdCBtZXNzYWdlIHR5cG8gZml4
LiAoTWljaGVsIFRoaWVycnkpCj4+Cj4+IFNpZ25lZC1vZmYtYnk6IFR2cnRrbyBVcnN1bGluIDx0
dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+Cj4+IFRlc3RjYXNlOiBpZ3QvZ2VtX3BwZ3R0LmMvZmxp
bmstYW5kLWV4aXQtdm1hLWxlYWsKPj4gUmV2aWV3ZWQtYnk6IE1pY2hlbCBUaGllcnJ5IDxtaWNo
ZWwudGhpZXJyeUBpbnRlbC5jb20+Cj4+IENjOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVy
QGZmd2xsLmNoPgo+PiBDYzogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+
Cj4+IENjOiBSYWZhZWwgQmFyYmFsaG8gPHJhZmFlbC5iYXJiYWxob0BpbnRlbC5jb20+Cj4+IENj
OiBNaWNoZWwgVGhpZXJyeSA8bWljaGVsLnRoaWVycnlAaW50ZWwuY29tPgo+Cj4+IC0tLQo+PiAg
IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggICAgICAgICB8ICA1ICsrKysrCj4+ICAg
ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyAgICAgICAgIHwgMjAgKysrKysrKysrKysr
KysrKy0tLS0KPj4gICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9jb250ZXh0LmMgfCAy
NCArKysrKysrKysrKysrKysrKysrKysrKysKPj4gICAzIGZpbGVzIGNoYW5nZWQsIDQ1IGluc2Vy
dGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k
cm0vaTkxNS9pOTE1X2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaAo+PiBp
bmRleCA4MjRlNzI0NTA0NGQuLjU4YWZhMWJiMjk1NyAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9n
cHUvZHJtL2k5MTUvaTkxNV9kcnYuaAo+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1
X2Rydi5oCj4+IEBAIC0yODQwLDYgKzI4NDAsMTEgQEAgaTkxNV9nZW1fb2JqZWN0X2dndHRfcGlu
KHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmosCj4+ICAgaW50IGk5MTVfdm1hX2JpbmQo
c3RydWN0IGk5MTVfdm1hICp2bWEsIGVudW0gaTkxNV9jYWNoZV9sZXZlbCBjYWNoZV9sZXZlbCwK
Pj4gICAJCSAgdTMyIGZsYWdzKTsKPj4gICBpbnQgX19tdXN0X2NoZWNrIGk5MTVfdm1hX3VuYmlu
ZChzdHJ1Y3QgaTkxNV92bWEgKnZtYSk7Cj4+ICsvKgo+PiArICogQkVXQVJFOiBEbyBub3QgdXNl
IHRoZSBmdW5jdGlvbiBiZWxvdyB1bmxlc3MgeW91IGNhbiBfYWJzb2x1dGVseV8KPj4gKyAqIF9n
dWFyYW50ZWVfIFZNQSBpbiBxdWVzdGlvbiBpcyBfbm90IGluIHVzZV8gYW55d2hlcmUuCj4+ICsg
Ki8KPj4gK2ludCBfX211c3RfY2hlY2sgX19pOTE1X3ZtYV91bmJpbmRfbm9fd2FpdChzdHJ1Y3Qg
aTkxNV92bWEgKnZtYSk7Cj4+ICAgaW50IGk5MTVfZ2VtX29iamVjdF9wdXRfcGFnZXMoc3RydWN0
IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaik7Cj4+ICAgdm9pZCBpOTE1X2dlbV9yZWxlYXNlX2Fs
bF9tbWFwcyhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpOwo+PiAgIHZvaWQgaTkx
NV9nZW1fcmVsZWFzZV9tbWFwKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmopOwo+PiBk
aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMvZ3B1
L2RybS9pOTE1L2k5MTVfZ2VtLmMKPj4gaW5kZXggZjBjZmJiOWVlMTJjLi41MjY0MmFmZjFkYWIg
MTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPj4gKysrIGIv
ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+PiBAQCAtMzIwOCw3ICszMjA4LDcgQEAg
c3RhdGljIHZvaWQgaTkxNV9nZW1fb2JqZWN0X2ZpbmlzaF9ndHQoc3RydWN0IGRybV9pOTE1X2dl
bV9vYmplY3QgKm9iaikKPj4gICAJCQkJCSAgICBvbGRfd3JpdGVfZG9tYWluKTsKPj4gICB9Cj4+
Cj4+IC1pbnQgaTkxNV92bWFfdW5iaW5kKHN0cnVjdCBpOTE1X3ZtYSAqdm1hKQo+PiArc3RhdGlj
IGludCBfX2k5MTVfdm1hX3VuYmluZChzdHJ1Y3QgaTkxNV92bWEgKnZtYSwgYm9vbCB3YWl0KQo+
PiAgIHsKPj4gICAJc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiA9IHZtYS0+b2JqOwo+
PiAgIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBvYmotPmJhc2UuZGV2LT5k
ZXZfcHJpdmF0ZTsKPj4gQEAgLTMyMjcsOSArMzIyNywxMSBAQCBpbnQgaTkxNV92bWFfdW5iaW5k
KHN0cnVjdCBpOTE1X3ZtYSAqdm1hKQo+Pgo+PiAgIAlCVUdfT04ob2JqLT5wYWdlcyA9PSBOVUxM
KTsKPj4KPj4gLQlyZXQgPSBpOTE1X2dlbV9vYmplY3Rfd2FpdF9yZW5kZXJpbmcob2JqLCBmYWxz
ZSk7Cj4+IC0JaWYgKHJldCkKPj4gLQkJcmV0dXJuIHJldDsKPj4gKwlpZiAod2FpdCkgewo+PiAr
CQlyZXQgPSBpOTE1X2dlbV9vYmplY3Rfd2FpdF9yZW5kZXJpbmcob2JqLCBmYWxzZSk7Cj4+ICsJ
CWlmIChyZXQpCj4+ICsJCQlyZXR1cm4gcmV0Owo+PiArCX0KPj4KPj4gICAJaWYgKGk5MTVfaXNf
Z2d0dCh2bWEtPnZtKSAmJgo+PiAgIAkgICAgdm1hLT5nZ3R0X3ZpZXcudHlwZSA9PSBJOTE1X0dH
VFRfVklFV19OT1JNQUwpIHsKPj4gQEAgLTMyNzQsNiArMzI3NiwxNiBAQCBpbnQgaTkxNV92bWFf
dW5iaW5kKHN0cnVjdCBpOTE1X3ZtYSAqdm1hKQo+PiAgIAlyZXR1cm4gMDsKPj4gICB9Cj4+Cj4+
ICtpbnQgaTkxNV92bWFfdW5iaW5kKHN0cnVjdCBpOTE1X3ZtYSAqdm1hKQo+PiArewo+PiArCXJl
dHVybiBfX2k5MTVfdm1hX3VuYmluZCh2bWEsIHRydWUpOwo+PiArfQo+PiArCj4+ICtpbnQgX19p
OTE1X3ZtYV91bmJpbmRfbm9fd2FpdChzdHJ1Y3QgaTkxNV92bWEgKnZtYSkKPj4gK3sKPj4gKwly
ZXR1cm4gX19pOTE1X3ZtYV91bmJpbmQodm1hLCBmYWxzZSk7Cj4+ICt9Cj4+ICsKPj4gICBpbnQg
aTkxNV9ncHVfaWRsZShzdHJ1Y3QgZHJtX2RldmljZSAqZGV2KQo+PiAgIHsKPj4gICAJc3RydWN0
IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gZGV2LT5kZXZfcHJpdmF0ZTsKPj4gZGlmZiAt
LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2NvbnRleHQuYyBiL2RyaXZlcnMv
Z3B1L2RybS9pOTE1L2k5MTVfZ2VtX2NvbnRleHQuYwo+PiBpbmRleCA3NGFhMGM5OTI5YmEuLjY4
MGI0YzlmNmI3MyAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1f
Y29udGV4dC5jCj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2NvbnRleHQu
Ywo+PiBAQCAtMTMzLDYgKzEzMywyMyBAQCBzdGF0aWMgaW50IGdldF9jb250ZXh0X3NpemUoc3Ry
dWN0IGRybV9kZXZpY2UgKmRldikKPj4gICAJcmV0dXJuIHJldDsKPj4gICB9Cj4+Cj4+ICtzdGF0
aWMgdm9pZCBpOTE1X2dlbV9jb250ZXh0X2NsZWFuKHN0cnVjdCBpbnRlbF9jb250ZXh0ICpjdHgp
Cj4+ICt7Cj4+ICsJc3RydWN0IGk5MTVfaHdfcHBndHQgKnBwZ3R0ID0gY3R4LT5wcGd0dDsKPj4g
KwlzdHJ1Y3QgaTkxNV92bWEgKnZtYSwgKm5leHQ7Cj4+ICsKPj4gKwlpZiAoV0FSTl9PTl9PTkNF
KCFwcGd0dCkpCj4+ICsJCXJldHVybjsKPgo+IFsgICA4MC4yNDI4OTJdIFtkcm06aTkxNV9nZW1f
b3Blbl0KPiBbICAgODAuMjUwNDg1XSAtLS0tLS0tLS0tLS1bIGN1dCBoZXJlIF0tLS0tLS0tLS0t
LS0KPiBbICAgODAuMjU4OTM4XSBXQVJOSU5HOiBDUFU6IDEgUElEOiAyNzcgYXQgLi4vZHJpdmVy
cy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fY29udGV4dC5jOjE0MSBpOTE1X2dlbV9jb250ZXh0X2Zy
ZWUrMHhlZi8weDI3YiBbaTkxNV0oKQo+IFsgICA4MC4yNzUzNDRdIFdBUk5fT05fT05DRSghcHBn
dHQpCgpIYSwgSSBkaWQgbm90IHNlZSBob3cgY3R4LT5wcGd0dCA9PSBOVUxMIGNvdWxkIGV4aXN0
IGJ1dCB3YW50ZWQgdG8gYmUgCmV4dHJhIHNhZmUgc2luY2UgaTkxNV9wcGd0dF9wdXQgY2hlY2tz
IGZvciB0aGF0LgoKSSdsbCBzZW5kIGEgZm9sbG93IHVwIHBhdGNoIHRvIHJlbW92ZSB0aGUgd2Fy
bi4KClJlZ2FyZHMsCgpUdnJ0a28KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl
c2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9p
bnRlbC1nZngK