From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Koenig, Christian" Subject: Re: [PATCH] dma-buf: fix debugfs versus rcu and fence dumping Date: Thu, 6 Dec 2018 16:08:12 +0000 Message-ID: <4e79bf05-864e-f3ca-194c-40c4504e472a@amd.com> References: <20181206014103.1364-1-jglisse@redhat.com> <20181206152116.GA3544@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-eopbgr800083.outbound.protection.outlook.com [40.107.80.83]) by gabe.freedesktop.org (Postfix) with ESMTPS id 833176E605 for ; Thu, 6 Dec 2018 16:08:14 +0000 (UTC) In-Reply-To: <20181206152116.GA3544@redhat.com> Content-Language: en-US Content-ID: <640BC537C05F8D49881CDFF5C8BDB417@namprd12.prod.outlook.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Jerome Glisse Cc: Daniel Vetter , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "linaro-mm-sig@lists.linaro.org" , "stable@vger.kernel.org" , =?utf-8?B?U3TDqXBoYW5lIE1hcmNoZXNpbg==?= , "linux-media@vger.kernel.org" List-Id: dri-devel@lists.freedesktop.org QW0gMDYuMTIuMTggdW0gMTY6MjEgc2NocmllYiBKZXJvbWUgR2xpc3NlOg0KPiBPbiBUaHUsIERl YyAwNiwgMjAxOCBhdCAwODowOToyOEFNICswMDAwLCBLb2VuaWcsIENocmlzdGlhbiB3cm90ZToN Cj4+IEFtIDA2LjEyLjE4IHVtIDAyOjQxIHNjaHJpZWIgamdsaXNzZUByZWRoYXQuY29tOg0KPj4+ IEZyb206IErDqXLDtG1lIEdsaXNzZSA8amdsaXNzZUByZWRoYXQuY29tPg0KPj4+DQo+Pj4gVGhl IGRlYnVnZnMgdGFrZSByZWZlcmVuY2Ugb24gZmVuY2Ugd2l0aG91dCBkcm9wcGluZyB0aGVtLiBB bHNvIHRoZQ0KPj4+IHJjdSBzZWN0aW9uIGFyZSBub3Qgd2VsbCBiYWxhbmNlLiBGaXggYWxsIHRo YXQgLi4uDQo+Pj4NCj4+PiBTaWduZWQtb2ZmLWJ5OiBKw6lyw7RtZSBHbGlzc2UgPGpnbGlzc2VA cmVkaGF0LmNvbT4NCj4+PiBDYzogQ2hyaXN0aWFuIEvDtm5pZyA8Y2hyaXN0aWFuLmtvZW5pZ0Bh bWQuY29tPg0KPj4+IENjOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNoPg0K Pj4+IENjOiBTdW1pdCBTZW13YWwgPHN1bWl0LnNlbXdhbEBsaW5hcm8ub3JnPg0KPj4+IENjOiBs aW51eC1tZWRpYUB2Z2VyLmtlcm5lbC5vcmcNCj4+PiBDYzogZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZw0KPj4+IENjOiBsaW5hcm8tbW0tc2lnQGxpc3RzLmxpbmFyby5vcmcNCj4+PiBD YzogU3TDqXBoYW5lIE1hcmNoZXNpbiA8bWFyY2hldUBjaHJvbWl1bS5vcmc+DQo+Pj4gQ2M6IHN0 YWJsZUB2Z2VyLmtlcm5lbC5vcmcNCj4+IFdlbGwgTkFLLCB5b3UgYXJlIG5vdyB0YWtpbmcgdGhl IFJDVSBsb2NrIHR3aWNlIGFuZCBkcm9wcGluZyB0aGUgUkNVIGFuZA0KPj4gc3RpbGwgYWNjZXNz aW5nIGZvYmogaGFzIGEgaHVnZSBwb3RlbnRpYWwgZm9yIGFjY2Vzc2luZyBmcmVlZCB1cCBtZW1v cnkuDQo+Pg0KPj4gVGhlIG9ubHkgY29ycmVjdCB0aGluZyBJIGNhbiBzZWUgaGVyZSBpcyB0byBn cmFiIGEgcmVmZXJlbmNlIHRvIHRoZQ0KPj4gZmVuY2UgYmVmb3JlIHByaW50aW5nIGFueSBpbmZv IG9uIGl0LA0KPj4gQ2hyaXN0aWFuLg0KPiBIdSA/IFRoYXQgaXMgZXhhY3RseSB3aGF0IGkgYW0g ZG9pbmcsIHRha2UgcmVmZXJlbmNlIHVuZGVyIHJjdSwNCj4gcmN1X3VubG9jayBwcmludCB0aGUg ZmVuY2UgaW5mbywgZHJvcCB0aGUgZmVuY2UgcmVmZXJlbmNlLCByY3UNCj4gbG9jayByaW5zZSBh bmQgcmVwZWF0IC4uLg0KPg0KPiBOb3RlIHRoYXQgdGhlIGZvYmogaW4gX2V4aXN0aW5nXyBjb2Rl IGlzIGFjY2VzcyBvdXRzaWRlIHRoZSByY3UNCj4gZW5kIHRoYXQgdGhlcmUgaXMgYW4gcmN1IGlt YmFsYW5jZSBpbiB0aGF0IGNvZGUgaWUgYSBsb25sZWx5DQo+IHJjdV91bmxvY2sgYWZ0ZXIgdGhl IGZvciBsb29wLg0KPg0KPiBTbyB0aGF0IHRoZSBleGlzdGluZyBjb2RlIGlzIGJyb2tlbi4NCg0K Tm8sIHRoZSBleGlzdGluZyBjb2RlIGlzIHBlcmZlY3RseSBmaW5lLg0KDQpQbGVhc2Ugbm90ZSB0 aGUgYnJlYWsgaW4gdGhlIGxvb3AgYmVmb3JlIHRoZSByY3VfdW5sb2NrKCk7DQo+ICAgIAkJCWlm ICghcmVhZF9zZXFjb3VudF9yZXRyeSgmcm9iai0+c2VxLCBzZXEpKQ0KPiAgICAJCQkJYnJlYWs7 IDwtIEhFUkUhDQo+ICAgIAkJCXJjdV9yZWFkX3VubG9jaygpOw0KPiAgICAJCX0NCg0KU28geW91 ciBwYXRjaCBicmVha3MgdGhhdCBhbmQgdGFrZSB0aGUgUkNVIHJlYWQgbG9jayB0d2ljZS4NCg0K UmVnYXJkcywNCkNocmlzdGlhbi4NCg0KPg0KPj4+IC0tLQ0KPj4+ICAgIGRyaXZlcnMvZG1hLWJ1 Zi9kbWEtYnVmLmMgfCAxMSArKysrKysrKystLQ0KPj4+ICAgIDEgZmlsZSBjaGFuZ2VkLCA5IGlu c2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pDQo+Pj4NCj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy9kbWEtYnVmL2RtYS1idWYuYyBiL2RyaXZlcnMvZG1hLWJ1Zi9kbWEtYnVmLmMNCj4+PiBpbmRl eCAxMzg4NDQ3NGQxNTguLmY2ZjRkZTQyYWM0OSAxMDA2NDQNCj4+PiAtLS0gYS9kcml2ZXJzL2Rt YS1idWYvZG1hLWJ1Zi5jDQo+Pj4gKysrIGIvZHJpdmVycy9kbWEtYnVmL2RtYS1idWYuYw0KPj4+ IEBAIC0xMDUxLDI0ICsxMDUxLDMxIEBAIHN0YXRpYyBpbnQgZG1hX2J1Zl9kZWJ1Z19zaG93KHN0 cnVjdCBzZXFfZmlsZSAqcywgdm9pZCAqdW51c2VkKQ0KPj4+ICAgIAkJCWZvYmogPSByY3VfZGVy ZWZlcmVuY2Uocm9iai0+ZmVuY2UpOw0KPj4+ICAgIAkJCXNoYXJlZF9jb3VudCA9IGZvYmogPyBm b2JqLT5zaGFyZWRfY291bnQgOiAwOw0KPj4+ICAgIAkJCWZlbmNlID0gcmN1X2RlcmVmZXJlbmNl KHJvYmotPmZlbmNlX2V4Y2wpOw0KPj4+ICsJCQlmZW5jZSA9IGRtYV9mZW5jZV9nZXRfcmN1KGZl bmNlKTsNCj4+PiAgICAJCQlpZiAoIXJlYWRfc2VxY291bnRfcmV0cnkoJnJvYmotPnNlcSwgc2Vx KSkNCj4+PiAgICAJCQkJYnJlYWs7DQo+Pj4gICAgCQkJcmN1X3JlYWRfdW5sb2NrKCk7DQo+Pj4g ICAgCQl9DQo+Pj4gLQ0KPj4+IC0JCWlmIChmZW5jZSkNCj4+PiArCQlpZiAoZmVuY2UpIHsNCj4+ PiAgICAJCQlzZXFfcHJpbnRmKHMsICJcdEV4Y2x1c2l2ZSBmZW5jZTogJXMgJXMgJXNzaWduYWxs ZWRcbiIsDQo+Pj4gICAgCQkJCSAgIGZlbmNlLT5vcHMtPmdldF9kcml2ZXJfbmFtZShmZW5jZSks DQo+Pj4gICAgCQkJCSAgIGZlbmNlLT5vcHMtPmdldF90aW1lbGluZV9uYW1lKGZlbmNlKSwNCj4+ PiAgICAJCQkJICAgZG1hX2ZlbmNlX2lzX3NpZ25hbGVkKGZlbmNlKSA/ICIiIDogInVuIik7DQo+ Pj4gKwkJCWRtYV9mZW5jZV9wdXQoZmVuY2UpOw0KPj4+ICsJCX0NCj4+PiArDQo+Pj4gKwkJcmN1 X3JlYWRfbG9jaygpOw0KPj4+ICAgIAkJZm9yIChpID0gMDsgaSA8IHNoYXJlZF9jb3VudDsgaSsr KSB7DQo+Pj4gICAgCQkJZmVuY2UgPSByY3VfZGVyZWZlcmVuY2UoZm9iai0+c2hhcmVkW2ldKTsN Cj4+PiAgICAJCQlpZiAoIWRtYV9mZW5jZV9nZXRfcmN1KGZlbmNlKSkNCj4+PiAgICAJCQkJY29u dGludWU7DQo+Pj4gKwkJCXJjdV9yZWFkX3VubG9jaygpOw0KPj4+ICAgIAkJCXNlcV9wcmludGYo cywgIlx0U2hhcmVkIGZlbmNlOiAlcyAlcyAlc3NpZ25hbGxlZFxuIiwNCj4+PiAgICAJCQkJICAg ZmVuY2UtPm9wcy0+Z2V0X2RyaXZlcl9uYW1lKGZlbmNlKSwNCj4+PiAgICAJCQkJICAgZmVuY2Ut Pm9wcy0+Z2V0X3RpbWVsaW5lX25hbWUoZmVuY2UpLA0KPj4+ICAgIAkJCQkgICBkbWFfZmVuY2Vf aXNfc2lnbmFsZWQoZmVuY2UpID8gIiIgOiAidW4iKTsNCj4+PiArCQkJZG1hX2ZlbmNlX3B1dChm ZW5jZSk7DQo+Pj4gKwkJCXJjdV9yZWFkX2xvY2soKTsNCj4+PiAgICAJCX0NCj4+PiAgICAJCXJj dV9yZWFkX3VubG9jaygpOw0KPj4+ICAgIA0KDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9kcmktZGV2ZWwK