From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 4/6] drm/i915: Add support for stealing purgable stolen pages Date: Thu, 8 Oct 2015 15:31:08 +0100 Message-ID: <56167E2C.3050806@linux.intel.com> References: <1444285469-8187-1-git-send-email-ankitprasad.r.sharma@intel.com> <1444285469-8187-5-git-send-email-ankitprasad.r.sharma@intel.com> <561648D1.3030706@linux.intel.com> <20151008110932.GO27939@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 48FAB6ED16 for ; Thu, 8 Oct 2015 07:31:11 -0700 (PDT) In-Reply-To: <20151008110932.GO27939@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , ankitprasad.r.sharma@intel.com, intel-gfx@lists.freedesktop.org, akash.goel@intel.com, shashidhar.hiremath@intel.com List-Id: intel-gfx@lists.freedesktop.org Ck9uIDA4LzEwLzE1IDEyOjA5LCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gVGh1LCBPY3QgMDgs IDIwMTUgYXQgMTE6NDM6MjlBTSArMDEwMCwgVHZydGtvIFVyc3VsaW4gd3JvdGU6Cj4+PiAtc3Ry dWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKgo+Pj4gLWk5MTVfZ2VtX29iamVjdF9jcmVhdGVfc3Rv bGVuKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHU2NCBzaXplKQo+Pj4gK3N0YXRpYyBib29sCj4+ PiArbWFya19mcmVlKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmosIHN0cnVjdCBsaXN0 X2hlYWQgKnVud2luZCkKPj4+ICt7Cj4+PiArCUJVR19PTihvYmotPnN0b2xlbiA9PSBOVUxMKTsK Pj4KPj4gSSBhbSBmdW5kYW1lbnRhbGx5IG9wcG9zZWQgdG8gQlVHX09OcyB3aGljaCBjYW4gYmUg YXZvaWRlZC4gSW4gdGhpcwo+PiBJIHNlZSBubyB2YWx1ZSBpbiBoYW5naW5nIHRoZSBtYWNoaW5l IHdoaWxlIHdlIGNvdWxkIFdBUk5fT04gYW5kCj4+IHJldHVybiBmYWxzZS4KPgo+IERvbid0IGJv dGhlciB3aXRoIHRoZSBXQVJOX09OLiBFaXRoZXIgdGFrZSB0aGUgQlVHX09OIG9yIGFjY2VwdCB0 aGF0IHRvCj4gZ2V0IHRvIHRoaXMgcG9pbnQgdGhlIG1hY2hpbmUgaXMgZGVhZCBhbnl3YXkgYW5k IGEgd2FybmluZyBoZXJlIGRvZXNuJ3QKPiBoZWxwIGlkZW50aWZ5IHRoZSByb290IGNhdXNlIChi ZXR0ZXIgb2ZmIHdpdGggbGlzdCBkZWJ1Z2dpbmcgYW5kIG1lbW9yeQo+IGRlYnVnZ2luZykuIEkg aGF2ZSBwZXJzb25hbGx5IGJlZW4gY29udmVydGluZyB0aGVzZSBhc3NlcnRzIG92ZXIgdG8gYQo+ IGRldi1vbmx5IGNvbXBpbGV0aW1lIG9wdGlvbiBhcyBJIHN0aWxsIGZpbmQgdGhlIEJVR3MgbW9y ZSB1c2VmdWwgdGhhbgo+IFdBUk5zIGluIHRoZSBHRU0gY29kZS4KClRoaXMgaXMgb25lIG9mIHRo ZSBvbmVzIHdoaWNoIGFyZSB0byBiZSBleHBlY3RlZCBpbiBkZXZlbG9wbWVudCBvbmx5LiBBdCAK dGhhdCB0aW1lIEkgbXVjaCBwcmVmZXIgYSBXQVJOX09OIHNpbmNlIGl0IHBvdGVudGlhbGx5IHNh dmVzIHlvdSBvbmUgCnJlYm9vdCBjeWNsZSBhbmQgdGhlcmUgYXJlbid0IHJlYWxseSBhbnkgZG93 bnNpZGVzIHRvIGl0LiBFc3BlY2lhbGx5IGlmLCAKYXMgeW91IHNheSwgbWFjaGluZSBpcyBkZWFk IGFscmVhZHkuCgo+Pj4gKwlpZiAob2JqLT5tYWR2ICE9IEk5MTVfTUFEVl9ET05UTkVFRCkKPj4+ ICsJCXJldHVybiBmYWxzZTsKPj4+ICsKPj4+ICsJaWYgKG9iai0+cGluX2Rpc3BsYXkpCj4+PiAr CQlyZXR1cm4gZmFsc2U7Cj4+PiArCj4+PiArCWxpc3RfYWRkKCZvYmotPnRtcF9saW5rLCB1bndp bmQpOwo+Pj4gKwlyZXR1cm4gZHJtX21tX3NjYW5fYWRkX2Jsb2NrKCZvYmotPnN0b2xlbi0+YmFz ZSk7Cj4+PiArfQo+Cj4+PiBAQCAtNTIwLDE3ICs2MDksNTkgQEAgaTkxNV9nZW1fb2JqZWN0X2Ny ZWF0ZV9zdG9sZW4oc3RydWN0IGRybV9kZXZpY2UgKmRldiwgdTY0IHNpemUpCj4+PiAgIAlpZiAo IXN0b2xlbikKPj4+ICAgCQlyZXR1cm4gRVJSX1BUUigtRU5PTUVNKTsKPj4+Cj4+PiAtCXJldCA9 IGk5MTVfZ2VtX3N0b2xlbl9pbnNlcnRfbm9kZShkZXZfcHJpdiwgc3RvbGVuLCBzaXplLCA0MDk2 KTsKPj4+ICsJcmV0ID0gaTkxNV9nZW1fc3RvbGVuX2luc2VydF9ub2RlKGRldl9wcml2LCAmc3Rv bGVuLT5iYXNlLCBzaXplLCA0MDk2KTsKPj4+ICsJaWYgKHJldCA9PSAwKQo+Pj4gKwkJZ290byBv dXQ7Cj4+PiArCj4+PiArCS8qIE5vIG1vcmUgc3RvbGVuIG1lbW9yeSBhdmFpbGFibGUsIG9yIHRv byBmcmFnbWVudGVkLgo+Pj4gKwkgKiBUcnkgZXZpY3RpbmcgcHVyZ2VhYmxlIG9iamVjdHMgYW5k IHNlYXJjaCBhZ2Fpbi4KPj4+ICsJICovCj4+PiArCXJldCA9IHN0b2xlbl9ldmljdChkZXZfcHJp diwgc2l6ZSk7Cj4+Cj4+IEkgaGF2ZSByYWlzZWQgdGhpcyBxdWVzdGlvbiBvZiBzdHJ1Y3RfbXV0 ZXggaW4gdGhlIHByZXZpb3VzIHJvdW5kLgo+Pgo+PiBDb3JyZWN0IG1lIGlmIEkgYW0gd3Jvbmcs IGJ1dCBJIHRob3VnaHQgdGhlcmUgd2FzIHNvbWUgZWZmb3J0IG1hZGUKPj4gdG8gbWFrZSBzdG9s ZW4gb2JqZWN0IGFsbG9jYXRpb24gcnVuIHdpdGhvdXQgc3RydWN0IG11dGV4Pwo+Cj4gQ29ycmVj dC4gQnV0IG5vdGUgdGhhdCB3ZSBkbyBHRU0gb3BlcmF0aW9ucyBpbnNpZGUgdGhlIGV2aWN0aW9u IGxvZ2ljCj4gYW5kIHRoZSBzdHJ1Y3RfbXV0ZXggaXMgdGhlIG9ubHkgb25lIHdlIGhhdmUgZm9y IHRoZW0uCj4KPj4gV2l0aCB0aGlzIGNoYW5nZSBpdCByZXF1aXJlcyBpdCBhZ2Fpbi4gQXQgdGhl IG1vbWVudCBjYWxsZXJzIHNlZW0gdG8KPj4gaG9sZCBpdCBhbnl3YXkuIEJ1dCBJIHRoaW5rIGxv Y2tkZXBfYXNzZXJ0X2hlbGQgaXMgbmVlZGVkIG5vdyBhdAo+PiBsZWFzdCB0byBkb2N1bWVudCB0 aGUgcmVxdWlyZW1lbnQsIHByb2JhYmx5IGluIHRvcCBsZXZlbAo+PiBpOTE1X2dlbV9vYmplY3Rf Y3JlYXRlX3N0b2xlbi4KPgo+IEFuZCBhIGNvbW1lbnQgYXMgdG8gd2h5LCBtaWdodCBhcyB3ZWxs IGFsc28gdHJ5IGFuZCBkb2N1bWVudCB0aGUgbG9naWMKPiBiZWhpbmQgc3VjaCBkZWNpc2lvbnMu CgpBZ3JlZWQuCgpSZWdhcmRzLAoKVHZydGtvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4Cg==