From mboxrd@z Thu Jan  1 00:00:00 1970
From: zhoucm1 <david1.zhou-5C7GfCeVMHo@public.gmane.org>
Subject: Re: [PATCH v2 2/2] drm/amdgpu: clear freed mappings immediately when
 BO may be freed
Date: Fri, 24 Mar 2017 10:31:18 +0800
Message-ID: <58D484F6.2040102@amd.com>
References: <20170323192705.5474-1-nhaehnle@gmail.com>
 <20170323192705.5474-2-nhaehnle@gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
In-Reply-To: <20170323192705.5474-2-nhaehnle-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
List-Id: Discussion list for AMD gfx <amd-gfx.lists.freedesktop.org>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/amd-gfx>
List-Post: <mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
List-Help: <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/amd-gfx>,
 <mailto:amd-gfx-request-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org?subject=subscribe>
Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Sender: "amd-gfx" <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>
To: =?UTF-8?B?Tmljb2xhaSBIw6Robmxl?= <nhaehnle-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Cc: =?UTF-8?B?Tmljb2xhaSBIw6Robmxl?= <nicolai.haehnle-5C7GfCeVMHo@public.gmane.org>

CgpPbiAyMDE35bm0MDPmnIgyNOaXpSAwMzoyNywgTmljb2xhaSBIw6RobmxlIHdyb3RlOgo+IEZy
b206IE5pY29sYWkgSMOkaG5sZSA8bmljb2xhaS5oYWVobmxlQGFtZC5jb20+Cj4KPiBBbHNvLCBh
ZGQgdGhlIGZlbmNlIG9mIHRoZSBjbGVhciBvcGVyYXRpb25zIHRvIHRoZSBCTyB0byBlbnN1cmUg
dGhhdAo+IHRoZSB1bmRlcmx5aW5nIG1lbW9yeSBjYW4gb25seSBiZSByZS11c2VkIGFmdGVyIGFs
bCBQVEVzIHBvaW50aW5nIHRvCj4gaXQgaGF2ZSBiZWVuIGNsZWFyZWQuCj4KPiBUaGlzIGF2b2lk
cyB0aGUgZm9sbG93aW5nIHNlcXVlbmNlIG9mIGV2ZW50cyB0aGF0IGNvdWxkIGJlIHRyaWdnZXJl
ZAo+IGJ5IHVzZXIgc3BhY2U6Cj4KPiAxLiBTdWJtaXQgYSBDUyB0aGF0IGFjY2Vzc2VzIHNvbWUg
Qk8gX3dpdGhvdXRfIGFkZGluZyB0aGF0IEJPIHRvIHRoZQo+ICAgICBidWZmZXIgbGlzdC4KPiAy
LiBGcmVlIHRoYXQgQk8uCj4gMy4gU29tZSBvdGhlciB0YXNrIHJlLXVzZXMgdGhlIG1lbW9yeSB1
bmRlcmx5aW5nIHRoZSBCTy4KPiA0LiBUaGUgQ1MgaXMgc3VibWl0dGVkIHRvIHRoZSBoYXJkd2Fy
ZSBhbmQgYWNjZXNzZXMgbWVtb3J5IHRoYXQgaXMKPiAgICAgbm93IGFscmVhZHkgaW4gdXNlIGJ5
IHNvbWVib2R5IGVsc2UuCj4KPiBCeSBjbGVhcmluZyB0aGUgcGFnZSB0YWJsZXMgaW1tZWRpYXRl
bHkgaW4gc3RlcCAyLCBhIEdQVSBWTSBmYXVsdCB3aWxsCj4gYmUgdHJpZ2dlcmVkIGluIHN0ZXAg
NCBpbnN0ZWFkIG9mIHdpbGQgbWVtb3J5IGFjY2Vzc2VzLgo+Cj4gdjI6IHVzZSBhbWRncHVfYm9f
ZmVuY2UgZGlyZWN0bHkKPgo+IFNpZ25lZC1vZmYtYnk6IE5pY29sYWkgSMOkaG5sZSA8bmljb2xh
aS5oYWVobmxlQGFtZC5jb20+ClJldmlld2VkLWJ5OiBDaHVubWluZyBaaG91IDxkYXZpZDEuemhv
dUBhbWQuY29tPgoKPiAtLS0KPiAgIGRyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9n
ZW0uYyB8IDEyICsrKysrKysrKysrKwo+ICAgMSBmaWxlIGNoYW5nZWQsIDEyIGluc2VydGlvbnMo
KykKPgo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZ2Vt
LmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZ2VtLmMKPiBpbmRleCA0YTUz
YzQzLi44YjBmNWYxOCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9h
bWRncHVfZ2VtLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZ2Vt
LmMKPiBAQCAtMTQ1LDIwICsxNDUsMjEgQEAgdm9pZCBhbWRncHVfZ2VtX29iamVjdF9jbG9zZShz
dHJ1Y3QgZHJtX2dlbV9vYmplY3QgKm9iaiwKPiAgIAlzdHJ1Y3QgYW1kZ3B1X2JvICpibyA9IGdl
bV90b19hbWRncHVfYm8ob2JqKTsKPiAgIAlzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiA9IGFt
ZGdwdV90dG1fYWRldihiby0+dGJvLmJkZXYpOwo+ICAgCXN0cnVjdCBhbWRncHVfZnByaXYgKmZw
cml2ID0gZmlsZV9wcml2LT5kcml2ZXJfcHJpdjsKPiAgIAlzdHJ1Y3QgYW1kZ3B1X3ZtICp2bSA9
ICZmcHJpdi0+dm07Cj4gICAKPiAgIAlzdHJ1Y3QgYW1kZ3B1X2JvX2xpc3RfZW50cnkgdm1fcGQ7
Cj4gICAJc3RydWN0IGxpc3RfaGVhZCBsaXN0LCBkdXBsaWNhdGVzOwo+ICAgCXN0cnVjdCB0dG1f
dmFsaWRhdGVfYnVmZmVyIHR2Owo+ICAgCXN0cnVjdCB3d19hY3F1aXJlX2N0eCB0aWNrZXQ7Cj4g
ICAJc3RydWN0IGFtZGdwdV9ib192YSAqYm9fdmE7Cj4gKwlzdHJ1Y3QgZmVuY2UgKmZlbmNlID0g
TlVMTDsKPiAgIAlpbnQgcjsKPiAgIAo+ICAgCUlOSVRfTElTVF9IRUFEKCZsaXN0KTsKPiAgIAlJ
TklUX0xJU1RfSEVBRCgmZHVwbGljYXRlcyk7Cj4gICAKPiAgIAl0di5ibyA9ICZiby0+dGJvOwo+
ICAgCXR2LnNoYXJlZCA9IHRydWU7Cj4gICAJbGlzdF9hZGQoJnR2LmhlYWQsICZsaXN0KTsKPiAg
IAo+ICAgCWFtZGdwdV92bV9nZXRfcGRfYm8odm0sICZsaXN0LCAmdm1fcGQpOwo+IEBAIC0xNjYs
MjAgKzE2NywzMSBAQCB2b2lkIGFtZGdwdV9nZW1fb2JqZWN0X2Nsb3NlKHN0cnVjdCBkcm1fZ2Vt
X29iamVjdCAqb2JqLAo+ICAgCXIgPSB0dG1fZXVfcmVzZXJ2ZV9idWZmZXJzKCZ0aWNrZXQsICZs
aXN0LCBmYWxzZSwgJmR1cGxpY2F0ZXMpOwo+ICAgCWlmIChyKSB7Cj4gICAJCWRldl9lcnIoYWRl
di0+ZGV2LCAibGVha2luZyBibyB2YSBiZWNhdXNlICIKPiAgIAkJCSJ3ZSBmYWlsIHRvIHJlc2Vy
dmUgYm8gKCVkKVxuIiwgcik7Cj4gICAJCXJldHVybjsKPiAgIAl9Cj4gICAJYm9fdmEgPSBhbWRn
cHVfdm1fYm9fZmluZCh2bSwgYm8pOwo+ICAgCWlmIChib192YSkgewo+ICAgCQlpZiAoLS1ib192
YS0+cmVmX2NvdW50ID09IDApIHsKPiAgIAkJCWFtZGdwdV92bV9ib19ybXYoYWRldiwgYm9fdmEp
Owo+ICsKPiArCQkJciA9IGFtZGdwdV92bV9jbGVhcl9mcmVlZChhZGV2LCB2bSwgJmZlbmNlKTsK
PiArCQkJaWYgKHVubGlrZWx5KHIpKSB7Cj4gKwkJCQlkZXZfZXJyKGFkZXYtPmRldiwgImZhaWxl
ZCB0byBjbGVhciBwYWdlICIKPiArCQkJCQkidGFibGVzIG9uIEdFTSBvYmplY3QgY2xvc2UgKCVk
KVxuIiwgcik7Cj4gKwkJCX0KPiArCj4gKwkJCWlmIChmZW5jZSkgewo+ICsJCQkJYW1kZ3B1X2Jv
X2ZlbmNlKGJvLCBmZW5jZSwgdHJ1ZSk7Cj4gKwkJCQlmZW5jZV9wdXQoZmVuY2UpOwo+ICsJCQl9
Cj4gICAJCX0KPiAgIAl9Cj4gICAJdHRtX2V1X2JhY2tvZmZfcmVzZXJ2YXRpb24oJnRpY2tldCwg
Jmxpc3QpOwo+ICAgfQo+ICAgCj4gICBzdGF0aWMgaW50IGFtZGdwdV9nZW1faGFuZGxlX2xvY2t1
cChzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldiwgaW50IHIpCj4gICB7Cj4gICAJaWYgKHIgPT0g
LUVERUFETEspIHsKPiAgIAkJciA9IGFtZGdwdV9ncHVfcmVzZXQoYWRldik7Cj4gICAJCWlmICgh
cikKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1n
ZnggbWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz
dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=