From mboxrd@z Thu Jan 1 00:00:00 1970 From: zhoucm1 Subject: Re: [PATCH 3/3] drm/amdgpu: fix another fundamental VM bug Date: Tue, 16 May 2017 10:45:18 +0800 Message-ID: <591A67BE.5010801@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, "Zhang, Hawking" CgpPbiAyMDE35bm0MDXmnIgxNeaXpSAxOTo1NywgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBG cm9tOiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+Cj4KPiBJIGFs d2F5cyB3b25kZXJlZCB3aHkgdGhpcyBjb2RlIHVzZXMgdGhlIE1DIGFkZHJlc3MuIE5vdyBpdCBj YW1lIHRvIG1lIHRoYXQKPiB0aGlzIGlzIGFjdHVhbGx5IGEgYnVnIGFuZCBvbmx5IHdvcmtzIGJ5 IGNvaW5jaWRlbnQgYmVjYXVzZSB3ZSB1c2VkIHRvIGhhdmUKPiBWUkFNIG1hcHBlZCBhdCB6ZXJv LgphZGRpbmcgSGF3a2luZyB0byBjb25maXJtIHRoaXMuCgpSZWdhcmRzLApEYXZpZCBaaG91Cj4K PiBTaWduZWQtb2ZmLWJ5OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5j b20+Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfY3MuYyB8IDIg Ky0KPiAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jIHwgMiArLQo+ICAg ZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvZ21jX3Y5XzAuYyAgfCAyICstCj4gICAzIGZpbGVz IGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfY3MuYyBiL2RyaXZlcnMvZ3B1L2Ry bS9hbWQvYW1kZ3B1L2FtZGdwdV9jcy5jCj4gaW5kZXggZTRjNWQzMS4uYmE2ZWI3MyAxMDA2NDQK PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfY3MuYwo+ICsrKyBiL2Ry aXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9jcy5jCj4gQEAgLTg4NCw3ICs4ODQsNyBA QCBzdGF0aWMgaW50IGFtZGdwdV9jc19pYl92bV9jaHVuayhzdHJ1Y3QgYW1kZ3B1X2RldmljZSAq YWRldiwKPiAgIAl9Cj4gICAKPiAgIAlpZiAocC0+am9iLT52bSkgewo+IC0JCXAtPmpvYi0+dm1f cGRfYWRkciA9IGFtZGdwdV9ib19ncHVfb2Zmc2V0KHZtLT5yb290LmJvKTsKPiArCQlwLT5qb2It PnZtX3BkX2FkZHIgPSB2bS0+cm9vdC5iby0+dGJvLm1lbS5zdGFydCA8PCBQQUdFX1NISUZUOwo+ ICAgCj4gICAJCXIgPSBhbWRncHVfYm9fdm1fdXBkYXRlX3B0ZShwKTsKPiAgIAkJaWYgKHIpCj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jIGIvZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3ZtLmMKPiBpbmRleCBiODc3ZjlmMy4uNzI1 NmZjYyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdm0u Ywo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV92bS5jCj4gQEAgLTEw MTIsNyArMTAxMiw3IEBAIHN0YXRpYyBpbnQgYW1kZ3B1X3ZtX3VwZGF0ZV9sZXZlbChzdHJ1Y3Qg YW1kZ3B1X2RldmljZSAqYWRldiwKPiAgIAkJCQlyZXR1cm4gcjsKPiAgIAkJfQo+ICAgCj4gLQkJ cHQgPSBhbWRncHVfYm9fZ3B1X29mZnNldChibyk7Cj4gKwkJcHQgPSBiby0+dGJvLm1lbS5zdGFy dCA8PCBQQUdFX1NISUZUOwo+ICAgCQlpZiAocGFyZW50LT5lbnRyaWVzW3B0X2lkeF0uYWRkciA9 PSBwdCkKPiAgIAkJCWNvbnRpbnVlOwo+ICAgCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9hbWQvYW1kZ3B1L2dtY192OV8wLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9nbWNf djlfMC5jCj4gaW5kZXggMDQ3YjFhNy4uNjNjYjU3MyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vYW1kL2FtZGdwdS9nbWNfdjlfMC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9h bWRncHUvZ21jX3Y5XzAuYwo+IEBAIC0zNjAsNyArMzYwLDcgQEAgc3RhdGljIHVpbnQ2NF90IGdt Y192OV8wX2dldF92bV9wdGVfZmxhZ3Moc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYsCj4gICAK PiAgIHN0YXRpYyB1NjQgZ21jX3Y5XzBfZ2V0X3ZtX3BkZShzdHJ1Y3QgYW1kZ3B1X2RldmljZSAq YWRldiwgdTY0IGFkZHIpCj4gICB7Cj4gLQlhZGRyID0gYWRldi0+dm1fbWFuYWdlci52cmFtX2Jh c2Vfb2Zmc2V0ICsgYWRkciAtIGFkZXYtPm1jLnZyYW1fc3RhcnQ7Cj4gKwlhZGRyID0gYWRldi0+ dm1fbWFuYWdlci52cmFtX2Jhc2Vfb2Zmc2V0ICsgYWRkcjsKPiAgIAlCVUdfT04oYWRkciAmIDB4 RkZGRjAwMDAwMDAwMDAzRlVMTCk7Cj4gICAJcmV0dXJuIGFkZHI7Cj4gICB9CgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlz dAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK