From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Jerry (Junwei)" Subject: Re: [PATCH 3/3] drm/amdgpu: fix another fundamental VM bug Date: Tue, 16 May 2017 12:58:21 +0800 Message-ID: <591A86ED.9030100@amd.com> References: <1494849459-3221-1-git-send-email-deathsimple@vodafone.de> <1494849459-3221-3-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: <1494849459-3221-3-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 T24gMDUvMTUvMjAxNyAwNzo1NyBQTSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBGcm9tOiBD aHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4KPiBJIGFsd2F5cyB3 b25kZXJlZCB3aHkgdGhpcyBjb2RlIHVzZXMgdGhlIE1DIGFkZHJlc3MuIE5vdyBpdCBjYW1lIHRv IG1lIHRoYXQKPiB0aGlzIGlzIGFjdHVhbGx5IGEgYnVnIGFuZCBvbmx5IHdvcmtzIGJ5IGNvaW5j aWRlbnQgYmVjYXVzZSB3ZSB1c2VkIHRvIGhhdmUKPiBWUkFNIG1hcHBlZCBhdCB6ZXJvLgoKRG8g eW91IG1lYW4gdG8gdXNlIHRibyBhZGRyZXNzIGluIGdlbmVyYWwgc3cgcGF0aCBhbmQgY29udmVy dCBpdCBpbnRvIG1jIAphZGRyZXNzIGJlZm9yZSBpdCBnb2luZyB0byB0aGUgcmVhbCBJUCAobGlr ZSBnZXRfdm1fcGRlKT8KCkplcnJ5Cgo+Cj4gU2lnbmVkLW9mZi1ieTogQ2hyaXN0aWFuIEvDtm5p ZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgo+IC0tLQo+ICAgZHJpdmVycy9ncHUvZHJtL2Ft ZC9hbWRncHUvYW1kZ3B1X2NzLmMgfCAyICstCj4gICBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdw dS9hbWRncHVfdm0uYyB8IDIgKy0KPiAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2dtY192 OV8wLmMgIHwgMiArLQo+ICAgMyBmaWxlcyBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDMgZGVs ZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1k Z3B1X2NzLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfY3MuYwo+IGluZGV4 IGU0YzVkMzEuLmJhNmViNzMgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRn cHUvYW1kZ3B1X2NzLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVf Y3MuYwo+IEBAIC04ODQsNyArODg0LDcgQEAgc3RhdGljIGludCBhbWRncHVfY3NfaWJfdm1fY2h1 bmsoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYsCj4gICAJfQo+Cj4gICAJaWYgKHAtPmpvYi0+ dm0pIHsKPiAtCQlwLT5qb2ItPnZtX3BkX2FkZHIgPSBhbWRncHVfYm9fZ3B1X29mZnNldCh2bS0+ cm9vdC5ibyk7Cj4gKwkJcC0+am9iLT52bV9wZF9hZGRyID0gdm0tPnJvb3QuYm8tPnRiby5tZW0u c3RhcnQgPDwgUEFHRV9TSElGVDsKPgo+ICAgCQlyID0gYW1kZ3B1X2JvX3ZtX3VwZGF0ZV9wdGUo cCk7Cj4gICAJCWlmIChyKQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdw dS9hbWRncHVfdm0uYyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jCj4g aW5kZXggYjg3N2Y5ZjMuLjcyNTZmY2MgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2Ft ZC9hbWRncHUvYW1kZ3B1X3ZtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9h bWRncHVfdm0uYwo+IEBAIC0xMDEyLDcgKzEwMTIsNyBAQCBzdGF0aWMgaW50IGFtZGdwdV92bV91 cGRhdGVfbGV2ZWwoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYsCj4gICAJCQkJcmV0dXJuIHI7 Cj4gICAJCX0KPgo+IC0JCXB0ID0gYW1kZ3B1X2JvX2dwdV9vZmZzZXQoYm8pOwo+ICsJCXB0ID0g Ym8tPnRiby5tZW0uc3RhcnQgPDwgUEFHRV9TSElGVDsKPiAgIAkJaWYgKHBhcmVudC0+ZW50cmll c1twdF9pZHhdLmFkZHIgPT0gcHQpCj4gICAJCQljb250aW51ZTsKPgo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9nbWNfdjlfMC5jIGIvZHJpdmVycy9ncHUvZHJtL2Ft ZC9hbWRncHUvZ21jX3Y5XzAuYwo+IGluZGV4IDA0N2IxYTcuLjYzY2I1NzMgMTAwNjQ0Cj4gLS0t IGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvZ21jX3Y5XzAuYwo+ICsrKyBiL2RyaXZlcnMv Z3B1L2RybS9hbWQvYW1kZ3B1L2dtY192OV8wLmMKPiBAQCAtMzYwLDcgKzM2MCw3IEBAIHN0YXRp YyB1aW50NjRfdCBnbWNfdjlfMF9nZXRfdm1fcHRlX2ZsYWdzKHN0cnVjdCBhbWRncHVfZGV2aWNl ICphZGV2LAo+Cj4gICBzdGF0aWMgdTY0IGdtY192OV8wX2dldF92bV9wZGUoc3RydWN0IGFtZGdw dV9kZXZpY2UgKmFkZXYsIHU2NCBhZGRyKQo+ICAgewo+IC0JYWRkciA9IGFkZXYtPnZtX21hbmFn ZXIudnJhbV9iYXNlX29mZnNldCArIGFkZHIgLSBhZGV2LT5tYy52cmFtX3N0YXJ0Owo+ICsJYWRk ciA9IGFkZXYtPnZtX21hbmFnZXIudnJhbV9iYXNlX29mZnNldCArIGFkZHI7Cj4gICAJQlVHX09O KGFkZHIgJiAweEZGRkYwMDAwMDAwMDAwM0ZVTEwpOwo+ICAgCXJldHVybiBhZGRyOwo+ICAgfQo+ Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZngg bWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=