From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH 1/2] drm/amdgpu: re-validate per VM BOs if required Date: Mon, 26 Mar 2018 12:38:13 +0200 Message-ID: <1416eb64-b232-7d9c-bd79-64f4b509a832@gmail.com> References: <20180326084717.15465-1-david1.zhou@amd.com> Reply-To: christian.koenig-5C7GfCeVMHo@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180326084717.15465-1-david1.zhou-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US 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: Chunming Zhou , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: =?UTF-8?Q?Christian_K=c3=b6nig?= QW0gMjYuMDMuMjAxOCB1bSAxMDo0NyBzY2hyaWViIENodW5taW5nIFpob3U6Cj4gRnJvbTogQ2hy aXN0aWFuIEvDtm5pZyA8Y2tvZW5pZy5sZWljaHR6dW1lcmtlbkBnbWFpbC5jb20+Cj4KPiBJZiBh IHBlciBWTSBCTyBlbmRzIHVwIGluIGEgYWxsb3dlZCBkb21haW4gaXQgbmV2ZXIgbW92ZXMgYmFj ayBpbnRvIHRoZQo+IHByZWZlcmVkIGRvbWFpbi4KPgo+IENoYW5nZS1JZDogSWZiM2U1NjE3ODVk M2I0NjRkYTI4YzQzOWIyNzFjMjY4MjUyMjRjNWUKPiBTaWduZWQtb2ZmLWJ5OiBDaHJpc3RpYW4g S8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4gUmV2aWV3ZWQtYW5kLVRlc3RlZC1i eTogQ2h1bm1pbmcgWmhvdSA8ZGF2aWQxLnpob3VAYW1kLmNvbT4KPiAtLS0KPiAgIGRyaXZlcnMv Z3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jIHwgMTUgKysrKysrKysrKysrKy0tCj4gICAx IGZpbGUgY2hhbmdlZCwgMTMgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPgo+IGRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdm0uYyBiL2RyaXZlcnMv Z3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jCj4gaW5kZXggZTlhNDFkZDA1MzQ1Li43ZGI0 MTFhMjgyY2UgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1 X3ZtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdm0uYwo+IEBA IC0xODA4LDE0ICsxODA4LDE2IEBAIGludCBhbWRncHVfdm1faGFuZGxlX21vdmVkKHN0cnVjdCBh bWRncHVfZGV2aWNlICphZGV2LAo+ICAgCj4gICAJc3Bpbl9sb2NrKCZ2bS0+c3RhdHVzX2xvY2sp Owo+ICAgCXdoaWxlICghbGlzdF9lbXB0eSgmdm0tPm1vdmVkKSkgewo+IC0JCXN0cnVjdCBhbWRn cHVfYm9fdmEgKmJvX3ZhOwo+ICAgCQlzdHJ1Y3QgcmVzZXJ2YXRpb25fb2JqZWN0ICpyZXN2Owo+ ICsJCXN0cnVjdCBhbWRncHVfYm9fdmEgKmJvX3ZhOwo+ICsJCXN0cnVjdCBhbWRncHVfYm8gKmJv Owo+ICAgCj4gICAJCWJvX3ZhID0gbGlzdF9maXJzdF9lbnRyeSgmdm0tPm1vdmVkLAo+ICAgCQkJ c3RydWN0IGFtZGdwdV9ib192YSwgYmFzZS52bV9zdGF0dXMpOwo+ICAgCQlzcGluX3VubG9jaygm dm0tPnN0YXR1c19sb2NrKTsKPiAgIAo+IC0JCXJlc3YgPSBib192YS0+YmFzZS5iby0+dGJvLnJl c3Y7Cj4gKwkJYm8gPSBib192YS0+YmFzZS5ibzsKPiArCQlyZXN2ID0gYm8tPnRiby5yZXN2Owo+ ICAgCj4gICAJCS8qIFBlciBWTSBCT3MgbmV2ZXIgbmVlZCB0byBibyBjbGVhcmVkIGluIHRoZSBw YWdlIHRhYmxlcyAqLwo+ICAgCQlpZiAocmVzdiA9PSB2bS0+cm9vdC5iYXNlLmJvLT50Ym8ucmVz dikKPiBAQCAtMTgzNSw2ICsxODM3LDE1IEBAIGludCBhbWRncHVfdm1faGFuZGxlX21vdmVkKHN0 cnVjdCBhbWRncHVfZGV2aWNlICphZGV2LAo+ICAgCQkJa2NsX3Jlc2VydmF0aW9uX29iamVjdF91 bmxvY2socmVzdik7Cj4gICAKPiAgIAkJc3Bpbl9sb2NrKCZ2bS0+c3RhdHVzX2xvY2spOwo+ICsK PiArCQkvKiBJZiB0aGUgQk8gcHJlZmVycyB0byBiZSBpbiBWUkFNLCBidXQgY3VycmVudGx5IGlz bid0IGFkZCBpdAo+ICsJCSAqIGJhY2sgdG8gdGhlIGV2aWN0ZWQgbGlzdCBzbyB0aGF0IGl0IGdl dHMgdmFsaWRhdGVkIGFnYWluIG9uCj4gKwkJICogdGhlIG5leHQgY29tbWFuZCBzdWJtaXNzaW9u Lgo+ICsJCSAqLwo+ICsJCWlmIChyZXN2ID09IHZtLT5yb290LmJhc2UuYm8tPnRiby5yZXN2ICYm Cj4gKwkJICAgIGJvLT5wcmVmZXJyZWRfZG9tYWlucyA9PSBBTURHUFVfR0VNX0RPTUFJTl9WUkFN ICYmCj4gKwkJICAgIGJvLT50Ym8ubWVtLm1lbV90eXBlICE9IFRUTV9QTF9WUkFNKQo+ICsJCQls aXN0X2FkZF90YWlsKCZib192YS0+YmFzZS52bV9zdGF0dXMsICZ2bS0+ZXZpY3RlZCk7CgpUaGlu a2luZyBhYm91dCB0aGlzIG1vcmUsIG1pZ2h0IGJlIGV2ZW4gYmV0dGVyIHRvIHB1dCB0aGF0IGlu dG8gCmFtZGdwdV92bV9ib191cGRhdGUoKSBpbnN0ZWFkIG9mIHRoZSAKImxpc3RfZGVsX2luaXQo JmJvX3ZhLT5iYXNlLnZtX3N0YXR1cyk7Ii4KCkknbSBvbiBlYXN0ZXIgdmFjYXRpb24gdGhpcyB3 ZWVrLCBzbyBjaGVja2luZyBtYWlscyBpcyBkZWxheWVkLiBCdXQgSSdtIApnb2luZyB0byBsb29r IGF0IHBhdGNoICMyIHRoaXMgZXZlbmluZyBvciB0b21vcnJvdy4KClJlZ2FyZHMsCkNocmlzdGlh bi4KCj4gICAJfQo+ICAgCXNwaW5fdW5sb2NrKCZ2bS0+c3RhdHVzX2xvY2spOwo+ICAgCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxp bmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK