From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH 03/21] drm/i915/gtt: Check va range against vm size Date: Thu, 11 Jun 2015 17:23:51 +0300 Message-ID: <87381yfhmw.fsf@gaia.fi.intel.com> References: <1432314314-23530-1-git-send-email-mika.kuoppala@intel.com> <1432314314-23530-4-git-send-email-mika.kuoppala@intel.com> <1433172814.13586.4.camel@jlahtine-mobl1> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 E7FE76E4B8 for ; Thu, 11 Jun 2015 07:24:25 -0700 (PDT) In-Reply-To: <1433172814.13586.4.camel@jlahtine-mobl1> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Joonas Lahtinen Cc: intel-gfx@lists.freedesktop.org, miku@iki.fi List-Id: intel-gfx@lists.freedesktop.org Sm9vbmFzIExhaHRpbmVuIDxqb29uYXMubGFodGluZW5AbGludXguaW50ZWwuY29tPiB3cml0ZXM6 Cgo+IE9uIHBlLCAyMDE1LTA1LTIyIGF0IDIwOjA0ICswMzAwLCBNaWthIEt1b3BwYWxhIHdyb3Rl Ogo+PiBDaGVjayB0aGUgYWxsb2NhdGlvbiBhcmVhIGFnYWluc3QgdGhlIGtub3duIGVuZAo+PiBv ZiBhZGRyZXNzIHNwYWNlIGluc3RlYWQgb2YgYWdhaW5zdCBmaXhlZCB2YWx1ZS4KPj4gCj4+IHYy OiBSZXR1cm4gRU5PREVWIG9uIGludGVybmFsIGJ1Z3MgKENocmlzKQo+PiAKPj4gU2lnbmVkLW9m Zi1ieTogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBpbnRlbC5jb20+Cj4+IC0tLQo+PiAg ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMgfCAxOCArKysrKysrKysrKy0tLS0t LS0KPj4gIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCA3IGRlbGV0aW9ucygtKQo+ PiAKPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jIGIv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKPj4gaW5kZXggMWE1YWQ0Yy4uNzZk ZTc4MSAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMK Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKPj4gQEAgLTc1Niw5 ICs3NTYsNiBAQCBzdGF0aWMgaW50IGdlbjhfcHBndHRfYWxsb2NfcGFnZV9kaXJlY3Rvcmllcyhz dHJ1Y3QgaTkxNV9od19wcGd0dCAqcHBndHQsCj4+ICAKPj4gIAlXQVJOX09OKCFiaXRtYXBfZW1w dHkobmV3X3BkcywgR0VOOF9MRUdBQ1lfUERQRVMpKTsKPj4gIAo+PiAtCS8qIEZJWE1FOiB1cHBl ciBib3VuZCBtdXN0IG5vdCBvdmVyZmxvdyAzMiBiaXRzICAqLwo+PiAtCVdBUk5fT04oKHN0YXJ0 ICsgbGVuZ3RoKSA+ICgxVUxMIDw8IDMyKSk7Cj4+IC0KPj4gIAlnZW44X2Zvcl9lYWNoX3BkcGUo cGQsIHBkcCwgc3RhcnQsIGxlbmd0aCwgdGVtcCwgcGRwZSkgewo+PiAgCQlpZiAocGQpCj4+ICAJ CQljb250aW51ZTsKPj4gQEAgLTg1Nyw3ICs4NTQsMTAgQEAgc3RhdGljIGludCBnZW44X2FsbG9j X3ZhX3JhbmdlKHN0cnVjdCBpOTE1X2FkZHJlc3Nfc3BhY2UgKnZtLAo+PiAgCSAqIGFjdHVhbGx5 IHVzZSB0aGUgb3RoZXIgc2lkZSBvZiB0aGUgY2Fub25pY2FsIGFkZHJlc3Mgc3BhY2UuCj4+ICAJ ICovCj4+ICAJaWYgKFdBUk5fT04oc3RhcnQgKyBsZW5ndGggPCBzdGFydCkpCj4+IC0JCXJldHVy biAtRVJBTkdFOwo+PiArCQlyZXR1cm4gLUVOT0RFVjsKPj4gKwo+PiArCWlmIChXQVJOX09OKHN0 YXJ0ICsgbGVuZ3RoID4gcHBndHQtPmJhc2UudG90YWwpKQo+PiArCQlyZXR1cm4gLUVOT0RFVjsK Pj4gIAo+PiAgCXJldCA9IGFsbG9jX2dlbjhfdGVtcF9iaXRtYXBzKCZuZXdfcGFnZV9kaXJzLCAm bmV3X3BhZ2VfdGFibGVzKTsKPj4gIAlpZiAocmV0KQo+PiBAQCAtMTM0MSw3ICsxMzQxLDcgQEAg c3RhdGljIHZvaWQgZ2VuNl9pbml0aWFsaXplX3B0KHN0cnVjdCBpOTE1X2FkZHJlc3Nfc3BhY2Ug KnZtLAo+PiAgfQo+PiAgCj4+ICBzdGF0aWMgaW50IGdlbjZfYWxsb2NfdmFfcmFuZ2Uoc3RydWN0 IGk5MTVfYWRkcmVzc19zcGFjZSAqdm0sCj4+IC0JCQkgICAgICAgdWludDY0X3Qgc3RhcnQsIHVp bnQ2NF90IGxlbmd0aCkKPj4gKwkJCSAgICAgICB1aW50NjRfdCBzdGFydF9pbiwgdWludDY0X3Qg bGVuZ3RoX2luKQo+PiAgewo+PiAgCURFQ0xBUkVfQklUTUFQKG5ld19wYWdlX3RhYmxlcywgSTkx NV9QREVTKTsKPj4gIAlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0gdm0tPmRldjsKPj4gQEAgLTEz NDksMTEgKzEzNDksMTUgQEAgc3RhdGljIGludCBnZW42X2FsbG9jX3ZhX3JhbmdlKHN0cnVjdCBp OTE1X2FkZHJlc3Nfc3BhY2UgKnZtLAo+PiAgCXN0cnVjdCBpOTE1X2h3X3BwZ3R0ICpwcGd0dCA9 Cj4+ICAJCQkJY29udGFpbmVyX29mKHZtLCBzdHJ1Y3QgaTkxNV9od19wcGd0dCwgYmFzZSk7Cj4+ ICAJc3RydWN0IGk5MTVfcGFnZV90YWJsZSAqcHQ7Cj4+IC0JY29uc3QgdWludDMyX3Qgc3RhcnRf c2F2ZSA9IHN0YXJ0LCBsZW5ndGhfc2F2ZSA9IGxlbmd0aDsKPj4gKwl1aW50MzJfdCBzdGFydCwg bGVuZ3RoLCBzdGFydF9zYXZlLCBsZW5ndGhfc2F2ZTsKPj4gIAl1aW50MzJfdCBwZGUsIHRlbXA7 Cj4+ICAJaW50IHJldDsKPj4gIAo+PiAtCVdBUk5fT04odXBwZXJfMzJfYml0cyhzdGFydCkpOwo+ PiArCWlmIChXQVJOX09OKHN0YXJ0X2luICsgbGVuZ3RoX2luID4gcHBndHQtPmJhc2UudG90YWwp KQo+PiArCQlyZXR1cm4gLUVOT0RFVjsKPj4gKwo+PiArCXN0YXJ0ID0gc3RhcnRfc2F2ZSA9IHN0 YXJ0X2luOwo+PiArCWxlbmd0aCA9IGxlbmd0aF9zYXZlID0gbGVuZ3RoX2luOwo+Cj4gV2h5IGlz IGl0IG5vdCBlbm91Z2gganVzdCB0byBjaGFuZ2UgdGhlIFdBUk5fT04gdGVzdD8KPgoKTWlnaHQg aGF2ZSBiZSBjbGVhbmVyIHllcy4gSSBqdXN0IHdhbnRlZCB0byBrZWVwIHRoZSBwZGUgaXRlcmF0 aW9uCmxvb3AgdXNpbmcgMzJiaXQgYXJpdGhtZXRpYyBsaWtlIGl0IHVzZWQgdG8uCi1NaWthCgo+ PiAgCj4+ICAJYml0bWFwX3plcm8obmV3X3BhZ2VfdGFibGVzLCBJOTE1X1BERVMpOwo+PiAgCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==