Return-Path: Received: from us-smtp-delivery-194.mimecast.com ([216.205.24.194]:58506 "EHLO us-smtp-delivery-194.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932298AbdJJQtE (ORCPT ); Tue, 10 Oct 2017 12:49:04 -0400 From: Trond Myklebust To: "tj@kernel.org" CC: "bfields@fieldses.org" , "linux-kernel@vger.kernel.org" , "lorenzo.pieralisi@arm.com" , "jlayton@poochiereds.net" , "linux-nfs@vger.kernel.org" , "jiangshanlai@gmail.com" , "anna.schumaker@netapp.com" Subject: Re: net/sunrpc: v4.14-rc4 lockdep warning Date: Tue, 10 Oct 2017 16:48:57 +0000 Message-ID: <1507654135.4442.4.camel@primarydata.com> References: <20171009181738.GA30680@red-moon> <1507573931.3516.3.camel@primarydata.com> <20171010140336.GI3301751@devbig577.frc2.facebook.com> In-Reply-To: <20171010140336.GI3301751@devbig577.frc2.facebook.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gVHVlLCAyMDE3LTEwLTEwIGF0IDA3OjAzIC0wNzAwLCB0akBrZXJuZWwub3JnIHdyb3RlOg0K PiBIZWxsbywgVHJvbmQuDQo+IA0KPiBPbiBNb24sIE9jdCAwOSwgMjAxNyBhdCAwNjozMjoxM1BN ICswMDAwLCBUcm9uZCBNeWtsZWJ1c3Qgd3JvdGU6DQo+ID4gT24gTW9uLCAyMDE3LTEwLTA5IGF0 IDE5OjE3ICswMTAwLCBMb3JlbnpvIFBpZXJhbGlzaSB3cm90ZToNCj4gPiA+IEkgaGF2ZSBydW4g aW50byB0aGUgbG9ja2RlcCB3YXJuaW5nIGJlbG93IHdoaWxlIHJ1bm5pbmcgdjQuMTQtDQo+ID4g PiByYzMvcmM0DQo+ID4gPiBvbiBhbiBBUk02NCBkZWZjb25maWcgSnVubyBkZXYgYm9hcmQgLSBy ZXBvcnRpbmcgaXQgdG8gY2hlY2sNCj4gPiA+IHdoZXRoZXINCj4gPiA+IGl0IGlzIGEga25vd24v Z2VudWluZSBpc3N1ZS4NCj4gPiA+IA0KPiA+ID4gUGxlYXNlIGxldCBtZSBrbm93IGlmIHlvdSBu ZWVkIGZ1cnRoZXIgZGVidWcgZGF0YSBvciBuZWVkIHNvbWUNCj4gPiA+IHNwZWNpZmljIHRlc3Rz Lg0KPiA+ID4gDQo+ID4gPiBbICAgIDYuMjA5Mzg0XQ0KPiA+ID4gPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09DQo+ID4gPiBbICAgIDYuMjE1NTY5 XSBXQVJOSU5HOiBwb3NzaWJsZSBjaXJjdWxhciBsb2NraW5nIGRlcGVuZGVuY3kNCj4gPiA+IGRl dGVjdGVkDQo+ID4gPiBbICAgIDYuMjIxNzU1XSA0LjE0LjAtcmM0ICM1NCBOb3QgdGFpbnRlZA0K PiA+ID4gWyAgICA2LjIyNTUwM10gLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0NCj4gPiA+IC0tLS0NCj4gPiA+IFsgICAgNi4yMzE2ODldIGt3b3JrZXIv NDowSC8zMiBpcyB0cnlpbmcgdG8gYWNxdWlyZSBsb2NrOg0KPiA+ID4gWyAgICA2LjIzNjgzMF0g ICgoJnRhc2stPnUudGtfd29yaykpeysuKy59LCBhdDoNCj4gPiA+IFs8ZmZmZjAwMDAwODBlNjRj Yz5dDQo+ID4gPiBwcm9jZXNzX29uZV93b3JrKzB4MWNjLzB4M2YwDQo+ID4gPiBbICAgIDYuMjQ1 NDcyXSANCj4gPiA+ICAgICAgICAgICAgICAgIGJ1dCB0YXNrIGlzIGFscmVhZHkgaG9sZGluZyBs b2NrOg0KPiA+ID4gWyAgICA2LjI1MTMwOV0gICgieHBydGlvZCIpeysuKy59LCBhdDogWzxmZmZm MDAwMDA4MGU2NGNjPl0NCj4gPiA+IHByb2Nlc3Nfb25lX3dvcmsrMHgxY2MvMHgzZjANCj4gPiA+ IFsgICAgNi4yNTkxNThdIA0KPiA+ID4gICAgICAgICAgICAgICAgd2hpY2ggbG9jayBhbHJlYWR5 IGRlcGVuZHMgb24gdGhlIG5ldyBsb2NrLg0KPiA+ID4gDQo+ID4gPiBbICAgIDYuMjY3MzQ1XSAN Cj4gPiA+ICAgICAgICAgICAgICAgIHRoZSBleGlzdGluZyBkZXBlbmRlbmN5IGNoYWluIChpbiBy ZXZlcnNlIG9yZGVyKQ0KPiA+ID4gaXM6DQo+IA0KPiAuLg0KPiA+IEFkZGluZyBUZWp1biBhbmQg TGFpLCBzaW5jZSB0aGlzIGxvb2tzIGxpa2UgYSB3b3JrcXVldWUgbG9ja2luZw0KPiA+IGlzc3Vl Lg0KPiANCj4gSXQgbG9va3MgYSBiaXQgY3J5cHRpYyBidXQgaXQncyB3YXJuaW5nIGFnYWluc3Qg dGhlIGZvbGxvd2luZyBjYXNlLg0KPiANCj4gMS4gTWVtb3J5IHByZXNzdXJlIGlzIGhpZ2ggYW5k IHJlc2N1ZXIga2lja3MgaW4gZm9yIHRoZSB4cHJ0aW9kDQo+ICAgIHdvcmtxdWV1ZS4gIFRoZXJl IGFyZSBubyBvdGhlciBrd29ya2VycyBzZXJ2aW5nIHRoZSB3b3JrcXVldWUuDQo+IA0KPiAyLiBU aGUgcmVzY3VlciBydW5zIHRoZSB4cHRyX2Rlc3Ryb3kgcGF0aCBhbmQgZW5kcyB1cCBjYWxsaW5n DQo+ICAgIGNhbmNlbF93b3JrX3N5bmMoKSBvbiBhIHdvcmsgaXRlbSB3aGljaCBpcyBxdWV1ZWQg b24geHBydGlvZC4NCj4gDQo+IDMuIFRoZSB3b3JrIGl0ZW0gaXMgcGVuZGluZyBvbiB0aGUgc2Ft ZSB3b3JrcXVldWUgYW5kIGFzc3VtaW5nIHRoYXQNCj4gICAgbWVtb3J5IHByZXNzdXJlIGRvZXNu J3QgbGV0IG9mZiAobGV0J3Mgc2F5IHJlY2xhaW0gaXMgdHJ5aW5nIHRvDQo+ICAgIGtpY2sgb2Zm IG5mcyBwYWdlcyksIHRoZSBvbmx5IHdheSBpdCBjYW4gZ2V0IGV4ZWN1dGVkIGlzIGJ5IHRoZQ0K PiAgICByZXNjdWVyIHdoaWNoIGlzIHdhaXRpbmcgZm9yIHRoZSB3b3JrIGl0ZW0gLSBhbiBBLUIt QSBkZWFkbG9jay4NCj4gDQoNCkhpIFRlanVuLA0KDQpUaGFua3MgZm9yIHRoZSBleHBsYW5hdGlv bi4gV2hhdCBJJ20gbm90IHJlYWxseSB1bmRlcnN0YW5kaW5nIGhlcmUNCnRob3VnaCwgaXMgaG93 IHRoZSB3b3JrIGl0ZW0gY291bGQgYmUgcXVldWVkIGF0IGFsbC4gV2UgaGF2ZSBhDQp3YWl0X29u X2JpdF9sb2NrKCkgaW4geHBydF9kZXN0cm95KCkgdGhhdCBzaG91bGQgbWVhbiB0aGUgeHBydC0N Cj50YXNrX2NsZWFudXAgd29yayBpdGVtIGhhcyBjb21wbGV0ZWQgcnVubmluZywgYW5kIHRoYXQg aXQgY2Fubm90IGJlDQpyZXF1ZXVlZC4NCg0KSXMgdGhlcmUgYSBwb3NzaWJpbGl0eSB0aGF0IHRo ZSBmbHVzaF9xdWV1ZSgpIG1pZ2h0IGJlIHRyaWdnZXJlZA0KZGVzcGl0ZSB0aGUgd29yayBpdGVt IG5vdCBiZWluZyBxdWV1ZWQ/DQoNCi0tIA0KVHJvbmQgTXlrbGVidXN0DQpMaW51eCBORlMgY2xp ZW50IG1haW50YWluZXIsIFByaW1hcnlEYXRhDQp0cm9uZC5teWtsZWJ1c3RAcHJpbWFyeWRhdGEu Y29tDQo=