From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH 4/4] igt/gem_stolen: Verify contents of stolen-backed objects across hibernation Date: Fri, 4 Dec 2015 10:04:35 +0000 Message-ID: <56616533.2030401@linux.intel.com> References: <1449048293-4335-1-git-send-email-ankitprasad.r.sharma@intel.com> <1449048293-4335-5-git-send-email-ankitprasad.r.sharma@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 878516E0A3 for ; Fri, 4 Dec 2015 02:04:38 -0800 (PST) In-Reply-To: <1449048293-4335-5-git-send-email-ankitprasad.r.sharma@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: ankitprasad.r.sharma@intel.com, intel-gfx@lists.freedesktop.org Cc: akash.goel@intel.com List-Id: intel-gfx@lists.freedesktop.org CkhpLAoKT25lIG1vcmUgdGhpbmcgYmVsb3c6CgpPbiAwMi8xMi8xNSAwOToyNCwgYW5raXRwcmFz YWQuci5zaGFybWFAaW50ZWwuY29tIHdyb3RlOgo+IEZyb206IEFua2l0cHJhc2FkIFNoYXJtYSA8 YW5raXRwcmFzYWQuci5zaGFybWFAaW50ZWwuY29tPgo+Cj4gVGhpcyBwYXRjaCB2ZXJpZmllcyBp ZiB0aGUgY29udGVudHMgb2YgdGhlIHN0b2xlbiBiYWNrZWQgb2JqZWN0IHdlcmUKPiBwcmVzZXJ2 ZWQgYWNyb3NzIGhpYmVybmF0aW9uLiBUaGlzIGlzIHRvIHZhbGlkYXRlIGtlcm5lbCBjaGFuZ2Vz IHJlbGF0ZWQKPiB0byBtb3Zpbmcgc3RvbGVuLWJhY2tlZCBvYmplY3RzIHRvIHNobWVtIG9uIGhp YmVybmF0aW9uLgo+Cj4gU2lnbmVkLW9mZi1ieTogQW5raXRwcmFzYWQgU2hhcm1hIDxhbmtpdHBy YXNhZC5yLnNoYXJtYUBpbnRlbC5jb20+Cj4gLS0tCj4gICB0ZXN0cy9nZW1fc3RvbGVuLmMgfCA4 NiArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysK PiAgIDEgZmlsZSBjaGFuZ2VkLCA4NiBpbnNlcnRpb25zKCspCj4KPiBkaWZmIC0tZ2l0IGEvdGVz dHMvZ2VtX3N0b2xlbi5jIGIvdGVzdHMvZ2VtX3N0b2xlbi5jCj4gaW5kZXggMzM3NDcxNi4uMWYx M2ZiMCAxMDA2NDQKPiAtLS0gYS90ZXN0cy9nZW1fc3RvbGVuLmMKPiArKysgYi90ZXN0cy9nZW1f c3RvbGVuLmMKPiBAQCAtMjkwLDYgKzI5MCw4OSBAQCBzdGF0aWMgdm9pZCBzdG9sZW5fZmlsbF9w dXJnZV90ZXN0KGludCBmZCkKPiAgIAkJZ2VtX2Nsb3NlKGZkLCBoYW5kbGVbaV0pOwo+ICAgfQo+ Cj4gK3N0YXRpYyB2b2lkIHN0b2xlbl9oaWJlcm5hdGUoaW50IGZkKQo+ICt7Cj4gKwlkcm1faW50 ZWxfYm8gKmJvOwo+ICsJZHJtX2ludGVsX2JvICpzcmMsICpkZXN0Owo+ICsJaW50IG9ial9jb3Vu dCA9IDAsIGkgPSAwOwo+ICsJaW50IF9yZXQgPSAwLCBqID0gMDsKPiArCXVpbnQzMl90IGhhbmRs ZVtNQVhfT0JKRUNUU10sIHNyY19oYW5kbGU7Cj4gKwl1aW50MzJfdCAqdmlydDsKPiArCj4gKwln ZW1fcmVxdWlyZV9zdG9sZW5fc3VwcG9ydChmZCk7Cj4gKwo+ICsJc3JjX2hhbmRsZSA9IGdlbV9j cmVhdGUoZmQsIFNJWkUpOwo+ICsJaWd0X2Fzc2VydCghc3JjX2hhbmRsZSk7Cj4gKwlzcmMgPSBn ZW1faGFuZGxlX3RvX2xpYmRybV9ibyhidWZtZ3IsIGZkLAo+ICsJCQkJICAgICAiYm8iLCBzcmNf aGFuZGxlKTsKPiArCWlndF9hc3NlcnQoc3JjICE9IE5VTEwpOwo+ICsKPiArCV9yZXQgPSBkcm1f aW50ZWxfZ2VtX2JvX21hcF9ndHQoc3JjKTsKPiArCWlndF9hc3NlcnQoIV9yZXQpOwo+ICsKPiAr CXZpcnQgPSBzcmMtPnZpcnR1YWw7Cj4gKwlmb3IgKGogPSAwOyBqIDwgU0laRS9EV09SRF9TSVpF OyBqKyspCj4gKwkJdmlydFtqXSA9IERBVEE7Cj4gKwo+ICsJZHJtX2ludGVsX2JvX3VubWFwKHNy Yyk7Cj4gKwkvKiBFeGhhdXN0IFN0b2xlbiBzcGFjZSAqLwo+ICsJZG8gewo+ICsJCWhhbmRsZVtp XSA9IF9fZ2VtX2NyZWF0ZV9zdG9sZW4oZmQsIFNJWkUpOwo+ICsJCWlmIChoYW5kbGVbaV0gIT0g MCkgewo+ICsJCQlibyA9IGdlbV9oYW5kbGVfdG9fbGliZHJtX2JvKGJ1Zm1nciwgZmQsCj4gKwkJ CQkJCSAgICAgInZlcmlmeV9ibyIsIGhhbmRsZVtpXSk7Cj4gKwkJCWlndF9hc3NlcnQoYm8gIT0g TlVMTCk7Cj4gKwkJCV9yZXQgPSBkcm1faW50ZWxfZ2VtX2JvX21hcF9ndHQoYm8pOwo+ICsJCQlp Z3RfYXNzZXJ0KCFfcmV0KTsKPiArCj4gKwkJCXZpcnQgPSBiby0+dmlydHVhbDsKPiArCQkJZm9y IChqID0gMDsgaiA8IFNJWkUvRFdPUkRfU0laRTsgaisrKQo+ICsJCQkJaWd0X2Fzc2VydCghdmly dFtqXSk7Cj4gKwo+ICsJCQlkcm1faW50ZWxfYm9fdW5tYXAoYm8pOwo+ICsJCQlkcm1faW50ZWxf Ym9fdW5yZWZlcmVuY2UoYm8pOwo+ICsKPiArCQkJb2JqX2NvdW50Kys7Cj4gKwkJfQo+ICsKPiAr CQlpKys7Cj4gKwl9IHdoaWxlIChoYW5kbGVbaS0xXSAmJiBpIDwgTUFYX09CSkVDVFMpOwo+ICsK PiArCWlndF9hc3NlcnQob2JqX2NvdW50ID4gMCk7CgpXb3VsZCBpdCBtYWtlIHNlbnNlIHRvIHJl cXVpcmUgYSBiaXQgbW9yZSB0aGFuIG9uZSBvYmplY3Q/CgpNYXliZSBjb25zaWRlcmluZyBhbGwg dGhlIHBsYXRmb3JtcyB3ZSBjb3VsZCBjb21lIHVwIHdpdGggYSBtb3JlIApkZW1hbmRpbmcgZXhw ZWN0YXRpb24gb24gd2hhdCBkb2VzIGl0IG1lYW4gdG8gZXhoYXVzdCB0aGUgc3RvbGVuIHNwYWNl PwoKTWF5YmUgeW91IGNvdWxkIGV2ZW4gcXVlcnkgc3RvbGVuIHNpemUgYW5kIHNldCB0aGUgZXhw ZWN0YXRpb24gYmFzZWQgb24gCnRoYXQ/IElzIHRoYXQgcG9zc2libGU/CgpSZWdhcmRzLAoKVHZy dGtvCgo+ICsJZm9yIChpID0gMDsgaSA8IG9ial9jb3VudDsgaSsrKSB7Cj4gKwkJZGVzdCA9IGdl bV9oYW5kbGVfdG9fbGliZHJtX2JvKGJ1Zm1nciwgZmQsCj4gKwkJCQkJICAgICAgICJkc3RfYm8i LCBoYW5kbGVbaV0pOwo+ICsJCWlndF9hc3NlcnQoZGVzdCAhPSBOVUxMKTsKPiArCQlpbnRlbF9j b3B5X2JvKGJhdGNoLCBkZXN0LCBzcmMsIFNJWkUpOwo+ICsJCWRybV9pbnRlbF9ib191bnJlZmVy ZW5jZShkZXN0KTsKPiArCX0KPiArCj4gKwlkcm1faW50ZWxfYm9fdW5yZWZlcmVuY2Uoc3JjKTsK PiArCj4gKwlpZ3Rfc3lzdGVtX2hpYmVybmF0ZV9hdXRvcmVzdW1lKCk7Cj4gKwkvKiBDaGVjayBp ZiB0aGUgb2JqZWN0J3MgbWVtb3J5IGNvbnRlbnRzIGFyZSBpbnRhY3QKPiArCSAqIGFjcm9zcyBo aWJlcm5hdGlvbi4KPiArCSAqLwo+ICsJZm9yIChpID0gMDsgaSA8IG9ial9jb3VudDsgaSsrKSB7 Cj4gKwkJYm8gPSBnZW1faGFuZGxlX3RvX2xpYmRybV9ibyhidWZtZ3IsIGZkLAo+ICsJCQkJCSAg ICAgInZlcmlmeV9ibyIsIGhhbmRsZVtpXSk7Cj4gKwkJaWd0X2Fzc2VydChibyAhPSBOVUxMKTsK PiArCQlfcmV0ID0gZHJtX2ludGVsX2dlbV9ib19tYXBfZ3R0KGJvKTsKPiArCQlpZ3RfYXNzZXJ0 KCFfcmV0KTsKPiArCQl2aXJ0ID0gYm8tPnZpcnR1YWw7Cj4gKwkJZm9yIChqID0gMDsgaiA8IFNJ WkUvRFdPUkRfU0laRTsgaisrKQo+ICsJCQlpZ3RfYXNzZXJ0X2VxKHZpcnRbal0sIERBVEEpOwo+ ICsKPiArCQlkcm1faW50ZWxfYm9fdW5tYXAoYm8pOwo+ICsJCWRybV9pbnRlbF9ib191bnJlZmVy ZW5jZShibyk7Cj4gKwl9Cj4gKwo+ICsJZ2VtX2Nsb3NlKGZkLCBzcmNfaGFuZGxlKTsKPiArCWZv ciAoaSA9IDA7IGkgPCBvYmpfY291bnQ7IGkrKykKPiArCQlnZW1fY2xvc2UoZmQsIGhhbmRsZVtp XSk7Cj4gK30KPiArCj4gICBzdGF0aWMgdm9pZAo+ICAgc3RvbGVuX25vX21tYXAoaW50IGZkKQo+ ICAgewo+IEBAIC0zNTMsNiArNDM2LDkgQEAgaWd0X21haW4KPiAgIAlpZ3Rfc3VidGVzdCgic3Rv bGVuLWZpbGwtcHVyZ2UiKQo+ICAgCQlzdG9sZW5fZmlsbF9wdXJnZV90ZXN0KGZkKTsKPgo+ICsJ aWd0X3N1YnRlc3QoInN0b2xlbi1oaWJlcm5hdGUiKQo+ICsJCXN0b2xlbl9oaWJlcm5hdGUoZmQp Owo+ICsKPiAgIAlpZ3RfZml4dHVyZSB7Cj4gICAJCWludGVsX2JhdGNoYnVmZmVyX2ZyZWUoYmF0 Y2gpOwo+ICAgCQlkcm1faW50ZWxfYnVmbWdyX2Rlc3Ryb3koYnVmbWdyKTsKPgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBs aXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=