From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhoucm1 Subject: Re: [PATCH 2/4] drm/amdgpu: simplify VM shadow handling Date: Thu, 1 Jun 2017 10:19:41 +0800 Message-ID: <592F79BD.8020801@amd.com> References: <1496234326-2581-1-git-send-email-deathsimple@vodafone.de> <1496234326-2581-2-git-send-email-deathsimple@vodafone.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1496234326-2581-2-git-send-email-deathsimple-ANTagKRnAhcb1SvskN2V4Q@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: =?UTF-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org CgpPbiAyMDE35bm0MDXmnIgzMeaXpSAyMDozOCwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBG cm9tOiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4KPiBOb3cg dGhhdCB3ZSBkb24ndCBqb2luIFBURSB1cGRhdGVzIGFueSBtb3JlIHdlIGRvbid0IG5lZWQgdG8g Y2FsbAo+IHRoZSB1cGRhdGUgZnVuY3Rpb24gdHdpY2UgZm9yIHRoaXMuCj4KPiBTaWduZWQtb2Zm LWJ5OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+ClJldmlld2Vk LWJ5OiBDaHVubWluZyBaaG91IDxkYXZpZDEuemhvdUBhbWQuY29tPgoKPiAtLS0KPiAgIGRyaXZl cnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jIHwgMjEgKysrKysrKy0tLS0tLS0tLS0t LS0tCj4gICAxIGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCAxNCBkZWxldGlvbnMoLSkK Pgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdm0uYyBi L2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jCj4gaW5kZXggYjVlNjJiZC4u YjU2ZTI0YSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVf dm0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jCj4gQEAg LTc3LDggKzc3LDYgQEAgc3RydWN0IGFtZGdwdV9wdGVfdXBkYXRlX3BhcmFtcyB7Cj4gICAJdm9p ZCAoKmZ1bmMpKHN0cnVjdCBhbWRncHVfcHRlX3VwZGF0ZV9wYXJhbXMgKnBhcmFtcywgdWludDY0 X3QgcGUsCj4gICAJCSAgICAgdWludDY0X3QgYWRkciwgdW5zaWduZWQgY291bnQsIHVpbnQzMl90 IGluY3IsCj4gICAJCSAgICAgdWludDY0X3QgZmxhZ3MpOwo+IC0JLyogaW5kaWNhdGUgdXBkYXRl IHB0IG9yIGl0cyBzaGFkb3cgKi8KPiAtCWJvb2wgc2hhZG93Owo+ICAgfTsKPiAgIAo+ICAgLyog SGVscGVyIHRvIGRpc2FibGUgcGFydGlhbCByZXNpZGVudCB0ZXh0dXJlIGZlYXR1cmUgZnJvbSBh IGZlbmNlIGNhbGxiYWNrICovCj4gQEAgLTExODEsMjAgKzExNzksMjAgQEAgc3RhdGljIGludCBh bWRncHVfdm1fdXBkYXRlX3B0ZXMoc3RydWN0IGFtZGdwdV9wdGVfdXBkYXRlX3BhcmFtcyAqcGFy YW1zLAo+ICAgCQkJcmV0dXJuIC1FSU5WQUw7Cj4gICAJCX0KPiAgIAo+IC0JCWlmIChwYXJhbXMt PnNoYWRvdykgewo+IC0JCQlpZiAoIXB0LT5zaGFkb3cpCj4gLQkJCQlyZXR1cm4gMDsKPiAtCQkJ cHQgPSBwdC0+c2hhZG93Owo+IC0JCX0KPiAtCj4gICAJCWlmICgoYWRkciAmIH5tYXNrKSA9PSAo ZW5kICYgfm1hc2spKQo+ICAgCQkJbnB0ZXMgPSBlbmQgLSBhZGRyOwo+ICAgCQllbHNlCj4gICAJ CQlucHRlcyA9IEFNREdQVV9WTV9QVEVfQ09VTlQoYWRldikgLSAoYWRkciAmIG1hc2spOwo+ICAg Cj4gKwkJaWYgKHB0LT5zaGFkb3cpIHsKPiArCQkJcGVfc3RhcnQgPSBhbWRncHVfYm9fZ3B1X29m ZnNldChwdC0+c2hhZG93KTsKPiArCQkJcGVfc3RhcnQgKz0gKGFkZHIgJiBtYXNrKSAqIDg7Cj4g KwkJCXBhcmFtcy0+ZnVuYyhwYXJhbXMsIHBlX3N0YXJ0LCBkc3QsIG5wdGVzLAo+ICsJCQkJICAg ICBBTURHUFVfR1BVX1BBR0VfU0laRSwgZmxhZ3MpOwo+ICsJCX0KPiArCj4gICAJCXBlX3N0YXJ0 ID0gYW1kZ3B1X2JvX2dwdV9vZmZzZXQocHQpOwo+ICAgCQlwZV9zdGFydCArPSAoYWRkciAmIG1h c2spICogODsKPiAtCj4gICAJCXBhcmFtcy0+ZnVuYyhwYXJhbXMsIHBlX3N0YXJ0LCBkc3QsIG5w dGVzLAo+ICAgCQkJICAgICBBTURHUFVfR1BVX1BBR0VfU0laRSwgZmxhZ3MpOwo+ICAgCj4gQEAg LTEzOTIsMTEgKzEzOTAsNiBAQCBzdGF0aWMgaW50IGFtZGdwdV92bV9ib191cGRhdGVfbWFwcGlu ZyhzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiwKPiAgIAlpZiAocikKPiAgIAkJZ290byBlcnJv cl9mcmVlOwo+ICAgCj4gLQlwYXJhbXMuc2hhZG93ID0gdHJ1ZTsKPiAtCXIgPSBhbWRncHVfdm1f ZnJhZ19wdGVzKCZwYXJhbXMsIHN0YXJ0LCBsYXN0ICsgMSwgYWRkciwgZmxhZ3MpOwo+IC0JaWYg KHIpCj4gLQkJZ290byBlcnJvcl9mcmVlOwo+IC0JcGFyYW1zLnNoYWRvdyA9IGZhbHNlOwo+ICAg CXIgPSBhbWRncHVfdm1fZnJhZ19wdGVzKCZwYXJhbXMsIHN0YXJ0LCBsYXN0ICsgMSwgYWRkciwg ZmxhZ3MpOwo+ICAgCWlmIChyKQo+ICAgCQlnb3RvIGVycm9yX2ZyZWU7CgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAph bWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK