From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhoucm1 Subject: Re: [PATCH 2/3] drm/amdgpu: validate bo before restoring from shadow Date: Fri, 21 Apr 2017 15:13:48 +0800 Message-ID: <58F9B12C.1020704@amd.com> References: <1492758472-12585-1-git-send-email-Hongbo.He@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1492758472-12585-1-git-send-email-Hongbo.He-5C7GfCeVMHo@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: "Roger.He" , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org CgpPbiAyMDE35bm0MDTmnIgyMeaXpSAxNTowNywgUm9nZXIuSGUgd3JvdGU6Cj4gQ2hhbmdlLUlk OiBJZDkyNWY0ZTI0MWM0MTkyMTI3ODgwZDIwMTdmYmYyOTc5YWEwOWZjNwo+IFNpZ25lZC1vZmYt Ynk6IFJvZ2VyLkhlIDxIb25nYm8uSGVAYW1kLmNvbT4KPiAtLS0KPiAgIGRyaXZlcnMvZ3B1L2Ry bS9hbWQvYW1kZ3B1L2FtZGdwdV9kZXZpY2UuYyB8IDQ2ICsrKysrKysrKysrKysrKysrKysrKysr KysrKysrKwo+ICAgMSBmaWxlIGNoYW5nZWQsIDQ2IGluc2VydGlvbnMoKykKPgo+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZGV2aWNlLmMgYi9kcml2ZXJz L2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZGV2aWNlLmMKPiBpbmRleCAzZDhmMjI3Li5mODgy NDk2IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kZXZp Y2UuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kZXZpY2UuYwo+ IEBAIC0yNDY4LDYgKzI0NjgsNDAgQEAgYm9vbCBhbWRncHVfbmVlZF9iYWNrdXAoc3RydWN0IGFt ZGdwdV9kZXZpY2UgKmFkZXYpCj4gICAJcmV0dXJuIGFtZGdwdV9sb2NrdXBfdGltZW91dCA+IDAg PyB0cnVlIDogZmFsc2U7Cj4gICB9Cj4gICAKPiArc3RhdGljIGludCBhbWRncHVfYm9fdmFsaWRh dGVfaGVscGVyKHN0cnVjdCBhbWRncHVfYm8gKmJvKQo+ICt7Cj4gKwl1aW50MzJfdCBkb21haW47 Cj4gKwlpbnQgcjsKPiArCj4gKwlpZiAoYm8tPnBpbl9jb3VudCkKPiArCQlyZXR1cm4gMDsKPiAr Cj4gKwlkb21haW4gPSBiby0+cHJlZmVyZWRfZG9tYWluczsKPiArCj4gK3JldHJ5Ogo+ICsJYW1k Z3B1X3R0bV9wbGFjZW1lbnRfZnJvbV9kb21haW4oYm8sIGRvbWFpbik7Cj4gKwlyID0gdHRtX2Jv X3ZhbGlkYXRlKCZiby0+dGJvLCAmYm8tPnBsYWNlbWVudCwgZmFsc2UsIGZhbHNlKTsKPiArCWlm ICh1bmxpa2VseShyID09IC1FTk9NRU0pICYmIGRvbWFpbiAhPSBiby0+YWxsb3dlZF9kb21haW5z KSB7Cj4gKwkJZG9tYWluID0gYm8tPmFsbG93ZWRfZG9tYWluczsKPiArCQlnb3RvIHJldHJ5Owo+ ICsJfQo+ICsKPiArCXJldHVybiByOwo+ICt9Cj4gKwo+ICtzdGF0aWMgaW50IGFtZGdwdV9ib192 YWxpZGF0ZShzdHJ1Y3QgYW1kZ3B1X2JvICpibykKPiArewo+ICsJaW50IHIgPSBhbWRncHVfYm9f dmFsaWRhdGVfaGVscGVyKGJvKTsKPiArCj4gKwlpZiAocikKPiArCQlyZXR1cm4gcjsKPiArCj4g KwlpZiAoYm8tPnNoYWRvdykKPiArCQlyID0gYW1kZ3B1X2JvX3ZhbGlkYXRlX2hlbHBlcihiby0+ c2hhZG93KTsKPiArCj4gKwlyZXR1cm4gcjsKPiArfQo+ICsKPiAgIHN0YXRpYyBpbnQgYW1kZ3B1 X3JlY292ZXJfdnJhbV9mcm9tX3NoYWRvdyhzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiwKPiAg IAkJCQkJICAgc3RydWN0IGFtZGdwdV9yaW5nICpyaW5nLAo+ICAgCQkJCQkgICBzdHJ1Y3QgYW1k Z3B1X2JvICpibywKPiBAQCAtMjQ4NSw2ICsyNTE5LDE4IEBAIHN0YXRpYyBpbnQgYW1kZ3B1X3Jl Y292ZXJfdnJhbV9mcm9tX3NoYWRvdyhzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiwKPiAgIAlk b21haW4gPSBhbWRncHVfbWVtX3R5cGVfdG9fZG9tYWluKGJvLT50Ym8ubWVtLm1lbV90eXBlKTsK PiAgIAkvKiBpZiBibyBoYXMgYmVlbiBldmljdGVkLCB0aGVuIG5vIG5lZWQgdG8gcmVjb3ZlciAq Lwo+ICAgCWlmIChkb21haW4gPT0gQU1ER1BVX0dFTV9ET01BSU5fVlJBTSkgewo+ICsJCXIgPSBh bWRncHVfYm9fdmFsaWRhdGUoYm8pOwp5b3Ugb25seSBuZWVkIHRvIHZhbGlkYXRlIHNoYWRvdywg cGFyZW50IGFscmVhZHkgaXMgY2hlY2tlZC4KClJlZ2FyZHMsCkRhdmlkIFpob3UKPiArCQlpZiAo cikgewo+ICsJCQlEUk1fRVJST1IoImJvIHZhbGlkYXRlIGZhaWxlZCFcbiIpOwo+ICsJCQlnb3Rv IGVycjsKPiArCQl9Cj4gKwo+ICsJCXIgPSBhbWRncHVfdHRtX2JpbmQoJmJvLT5zaGFkb3ctPnRi bywgJmJvLT5zaGFkb3ctPnRiby5tZW0pOwo+ICsJCWlmIChyKSB7Cj4gKwkJCURSTV9FUlJPUigi JXAgYmluZCBmYWlsZWRcbiIsIGJvLT5zaGFkb3cpOwo+ICsJCQlnb3RvIGVycjsKPiArCQl9Cj4g Kwo+ICAgCQlyID0gYW1kZ3B1X2JvX3Jlc3RvcmVfZnJvbV9zaGFkb3coYWRldiwgcmluZywgYm8s Cj4gICAJCQkJCQkgTlVMTCwgZmVuY2UsIHRydWUpOwo+ICAgCQlpZiAocikgewoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxp c3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==