Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp77258yba; Mon, 20 May 2019 05:18:34 -0700 (PDT) X-Google-Smtp-Source: APXvYqzLW/O2SvTkPaW4yqv8DQuB8aSyGnzUrAldLSMrpygXSebxgFrE354V0wHK+5gT13QpDINr X-Received: by 2002:a17:902:12d:: with SMTP id 42mr68687688plb.4.1558354714731; Mon, 20 May 2019 05:18:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558354714; cv=none; d=google.com; s=arc-20160816; b=hwf4N1dv87LTCNb9N/qBPDWj7wWsk/UORpxJ1yfF3Wj/jWQTqNgSUDtk24IKwMkpKU 6HUSdS1ziifO9MHbZ5qpYmgbrdP5cr5RsgeJZjikWXp1hdySrCFTGjVWMrcqo70Z7yD6 KUoPWF+WYa6Vfd8OqOFCCsgt2VNSqRMg9r7HDxhc2wrTKYSwBMRmBMjgdiNAYxhwrpAm dB+a9oj+GDSopoERGCuM03vSkkWZuwCc1zdL+7DdrtJrw/f/CRVbCi1+3qDK5wx2t+Q7 16Bg5wdIjIXfkboi6mlOjuA/tHGB+G3wwdE8b/QLr6Ptq7JEyT0VnVwKtU9SZTzrhQDO t6eQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:user-agent:content-language:accept-language:in-reply-to :references:message-id:date:thread-index:thread-topic:subject:cc:to :from:dkim-signature; bh=ri41Hk2PeTEYPfX3rLrPJt/RkFPdxeWVJHmvEMfJ558=; b=hobCIcoAc+y1M4paU98lRkISHeAkJTSL+THK17mcey0dvvJpZp3815r+t4LzD/xVpO cDzeNfJvEWK+SwZvkm26tizANMgBkieDMqHx9AAcMfWkiEkO1tJ+exDK+XJ47sOY24Ia 0jY9yg11d+VcpCY7cybVoyRZ+McAtVcEtaCxPWd+dYzR4aCg+CrR+AJjQmn1T6djOTFf vzSR9XpvhOKFwEksl+iwLzZDMKumpEp3bdMAYnVpPMlSTrAkO4W9OuQb+fwC1uOT0yho dVkEtWews1e9Rz6U10kxUziLKok2GwX76WJ2riamB0j6niCBSGvAxW5IvfeVohcUOz3E tJ4A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@amdcloud.onmicrosoft.com header.s=selector1-amdcloud-onmicrosoft-com header.b=Q5kl7vMe; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id s61si15302865plb.259.2019.05.20.05.18.19; Mon, 20 May 2019 05:18:34 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@amdcloud.onmicrosoft.com header.s=selector1-amdcloud-onmicrosoft-com header.b=Q5kl7vMe; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733266AbfETLic (ORCPT + 99 others); Mon, 20 May 2019 07:38:32 -0400 Received: from mail-eopbgr780052.outbound.protection.outlook.com ([40.107.78.52]:22263 "EHLO NAM03-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1733189AbfETLiJ (ORCPT ); Mon, 20 May 2019 07:38:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector1-amdcloud-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ri41Hk2PeTEYPfX3rLrPJt/RkFPdxeWVJHmvEMfJ558=; b=Q5kl7vMeQDBRmF88RXANEnCDDfwbvNimUdGh4VVl17FWhJbitNYcDwUMvOMxZ28SS8SIji4ixwNwHJ7mMS+/nNnNR/q5yXiY9DL3JcjDr6Ue/o1BuSdqX2/48FLVTORfZqaYwAwvRChK5THR/vOYeCJVBTm79dYqYnkY8FfzQaQ= Received: from DM5PR12MB1546.namprd12.prod.outlook.com (10.172.36.23) by DM5PR12MB1497.namprd12.prod.outlook.com (10.172.38.150) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1900.16; Mon, 20 May 2019 11:38:07 +0000 Received: from DM5PR12MB1546.namprd12.prod.outlook.com ([fe80::e1b1:5b6f:b2df:afa5]) by DM5PR12MB1546.namprd12.prod.outlook.com ([fe80::e1b1:5b6f:b2df:afa5%7]) with mapi id 15.20.1900.020; Mon, 20 May 2019 11:38:07 +0000 From: "Koenig, Christian" To: Peter Zijlstra , Ingo Molnar , Will Deacon , LKML CC: Daniel Vetter Subject: Re: Confusing lockdep message Thread-Topic: Confusing lockdep message Thread-Index: AQHVDv3eZSxJAKf8tkC9hTFvn+DMEKZz4vmA Date: Mon, 20 May 2019 11:38:07 +0000 Message-ID: <2f4fb196-e66e-bb0e-c5b2-d9072561f648@amd.com> References: <386d7978-18fd-318e-ddc9-784266b75d9e@amd.com> In-Reply-To: <386d7978-18fd-318e-ddc9-784266b75d9e@amd.com> Accept-Language: de-DE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 x-originating-ip: [2a02:908:1252:fb60:be8a:bd56:1f94:86e7] x-clientproxiedby: AM3PR05CA0100.eurprd05.prod.outlook.com (2603:10a6:207:1::26) To DM5PR12MB1546.namprd12.prod.outlook.com (2603:10b6:4:8::23) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Christian.Koenig@amd.com; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: fe891905-63f1-4ed7-44c5-08d6dd17a0e4 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600141)(711020)(4605104)(4618075)(2017052603328)(7193020);SRVR:DM5PR12MB1497; x-ms-traffictypediagnostic: DM5PR12MB1497: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:10000; x-forefront-prvs: 004395A01C x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(39860400002)(376002)(366004)(396003)(346002)(136003)(199004)(189003)(51874003)(52116002)(99286004)(76176011)(7116003)(6512007)(65806001)(65956001)(36756003)(102836004)(3480700005)(2906002)(6116002)(53936002)(86362001)(65826007)(8676002)(81156014)(81166006)(71190400001)(8936002)(305945005)(7736002)(71200400001)(316002)(6486002)(6436002)(229853002)(4326008)(478600001)(15650500001)(72206003)(386003)(64756008)(68736007)(46003)(31696002)(186003)(6246003)(73956011)(66946007)(66476007)(14454004)(66556008)(66446008)(11346002)(31686004)(446003)(5660300002)(476003)(66574012)(2616005)(256004)(14444005)(58126008)(64126003)(110136005)(25786009)(6506007)(486006);DIR:OUT;SFP:1101;SCL:1;SRVR:DM5PR12MB1497;H:DM5PR12MB1546.namprd12.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: pHkFoGwBwTkmmg4aGz7gCEijLU+JNRzmdzaeDJ8eXd3RpkjO/ILucbmr5lQjvn6DpeOOoePp+yc5BGs7votAh3nIp83e2D6rZBBsEoN/k7Vh8l1N8PtHf9cwhqGagrc90Y3k2qk1ZHEfSxhw4Ql5mNhrio6vajSSHyCLPJGsGq1FvLWPXX69WIAGka7xI0pRr50UIIvt41KaQ5yWmRoMGupDXWU6Wf/BDwtIn9NcVa1OXFdwvl6OqxpBkUoyQWVdACzWgRUp7SeAhUDd/ASK+0LqO3OvdicRIxa8SFWqI4o2953IeABUWFdRfaKyPgHK20hwWf2wqva9lmiywj2iPh3w2StDDij0WOidFuD2CCq16dZ9DpTN8L/o9Szk0L7FT/80xV3rxkdq69mHfqTd0GcIr3s4qd/dXGASYx4Y/Tk= Content-Type: text/plain; charset="utf-8" Content-ID: <77D0C8EE18AE0B4EB3D66FA21B50A68E@namprd12.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: fe891905-63f1-4ed7-44c5-08d6dd17a0e4 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 May 2019 11:38:07.5867 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1497 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org UGxlYXNlIGlnbm9yZSB0aGlzIG1haWwsDQoNCkkndmUgZml4ZWQgdGhlIGRvdWJsZSB1bmxvY2sg YW5kIGxvY2tkZXAgaXMgc3RpbGwgY29tcGxhaW5pbmcgYWJvdXQgdGhlIA0KbmVzdGVkIGxvY2tp bmcsIHNvIEknbSBhY3R1YWxseSBmYWNpbmcgbXVsdGlwbGUgaXNzdWVzIGhlcmUuDQoNClNvcnJ5 IHRvIHdhc3RlIHlvdXIgdGltZSwNCkNocmlzdGlhbi4NCg0KQW0gMjAuMDUuMTkgdW0gMTM6MTkg c2NocmllYiBDaHJpc3RpYW4gS8O2bmlnOg0KPiBIaSBndXlzLA0KPg0KPiB3cml0aW5nIHRoZSB1 c3VhbCBzdXNwZWN0cyBhYm91dCBsb2NraW5nL2xvY2tkZXAgc3R1ZmYgYW5kIGFsc28gRGFuaWVs IA0KPiBpbiBDQyBiZWNhdXNlIGhlIG1pZ2h0IGhhdmUgc3R1bWJsZWQgb3ZlciB0aGlzIGFzIHdl bGwuDQo+DQo+IEl0IHRvb2sgbWUgYSB3aGlsZSB0byBmaWd1cmluZyBvdXQgd2hhdCB0aGUgaGVj ayBsb2NrZGVwIHdhcyANCj4gY29tcGxhaW5pbmcgYWJvdXQuIFRoZSByZWxldmFudCBkbWVzZyB3 YXMgdGhlIGZvbGxvd2luZzoNCj4+IFvCoCAxNDUuNjIzMDA1XSA9PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09DQo+PiBbwqAgMTQ1LjYyMzA5NF0gV0FSTklORzogTmVzdGVkIGxvY2sg d2FzIG5vdCB0YWtlbg0KPj4gW8KgIDE0NS42MjMxODRdIDUuMC4wLXJjMSsgIzE0NCBOb3QgdGFp bnRlZA0KPj4gW8KgIDE0NS42MjMyNjFdIC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0NCj4+IFvCoCAxNDUuNjIzMzUxXSBhbWRncHVfdGVzdC8xNDExIGlzIHRyeWluZyB0byBsb2Nr Og0KPj4gW8KgIDE0NS42MjM0NDJdIDAwMDAwMDAwOThhMWM0ZDMgKHJlc2VydmF0aW9uX3d3X2Ns YXNzX211dGV4KXsrLisufSwgDQo+PiBhdDogdHRtX2V1X3Jlc2VydmVfYnVmZmVycysweDQ2ZS8w eDkxMCBbdHRtXQ0KPj4gW8KgIDE0NS42MjM2NTFdDQo+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgIGJ1dCB0aGlzIHRhc2sgaXMgbm90IGhvbGRpbmc6DQo+PiBbwqAgMTQ1LjYyMzc1OF0g cmVzZXJ2YXRpb25fd3dfY2xhc3NfYWNxdWlyZQ0KPj4gW8KgIDE0NS42MjM4MzZdDQo+PiDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHN0YWNrIGJhY2t0cmFjZToNCj4+IFvCoCAxNDUuNjIz OTI0XSBDUFU6IDQgUElEOiAxNDExIENvbW06IGFtZGdwdV90ZXN0IE5vdCB0YWludGVkIA0KPj4g NS4wLjAtcmMxKyAjMTQ0DQo+PiBbwqAgMTQ1LjYyNDA1OF0gSGFyZHdhcmUgbmFtZTogU3lzdGVt IG1hbnVmYWN0dXJlciBTeXN0ZW0gUHJvZHVjdCANCj4+IE5hbWUvUFJJTUUgWDM5OS1BLCBCSU9T IDA4MDggMTAvMTIvMjAxOA0KPj4gW8KgIDE0NS42MjQyMzRdIENhbGwgVHJhY2U6DQo+PiAuLi4N Cj4NCj4gVGhlIHByb2JsZW0gaXMgbm93IHRoYXQgdGhlIG1lc3NhZ2UgaXMgdmVyeSBjb25mdXNp b24gYmVjYXVzZSB0aGUgDQo+IGlzc3VlIHdhcyAqbm90KiB0aGF0IEkgdHJpZWQgdG8gYWNxdWly ZSBhIGxvY2ssIGJ1dCByYXRoZXIgdGhhdCBJIA0KPiBhY2NpZGVudGFsbHkgcmVsZWFzZWQgYSBs b2NrIHR3aWNlLg0KPg0KPiBOb3cgcmVsZWFzaW5nIGEgbG9jayB0d2ljZSBpcyBhIHJhdGhlciBj b21tb24gbWlzdGFrZSBhbmQgSSdtIHJlYWxseSANCj4gc3VycHJpc2VkIHRoYXQgSSBkaWRuJ3Qg Z2V0IHRoYXQgcG9pbnRlZCBvdXQgYnkgbG9ja2RlcCBpbW1lZGlhdGVseS4NCj4NCj4gQWRkaXRp b25hbCB0byB0aGF0IEknbSBwcmV0dHkgc3VyZSB0aGF0IHRoaXMgdXNlZCB0byB3b3JrIGNvcnJl Y3RseSANCj4gc29tZXRpbWVzIGluIHRoZSBwYXN0LCBzbyBJJ20gZWl0aGVyIGhpdHRpbmcgYSBy YXJlIGNvcm5lciBjYXNlIG9yIA0KPiB0aGlzIGJyb2tlIGp1c3QgcmVjZW50bHkuDQo+DQo+IEFu eXdheSBjYW4gc29tZWJvZHkgdGFrZSBhIGxvb2s/IEkgY2FuIHRyeSB0byBwcm92aWRlIGEgdGVz dCBjYXNlIGlmIA0KPiByZXF1aXJlZC4NCj4NCj4gVGhhbmtzIGluIGFkdmFuY2UsDQo+IENocmlz dGlhbi4NCg0K