Received: by 10.192.165.148 with SMTP id m20csp56017imm; Wed, 9 May 2018 08:43:13 -0700 (PDT) X-Google-Smtp-Source: AB8JxZpmSV566prBvMl+UbstVwqVIDUMdNHYb73HAyM2qzWURm+80UhI45R2k0WwIrTirxtrUgC7 X-Received: by 2002:a17:902:8d8d:: with SMTP id v13-v6mr30909986plo.362.1525880593120; Wed, 09 May 2018 08:43:13 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525880593; cv=none; d=google.com; s=arc-20160816; b=eGdFE5FxZyET42OFhg/laFkkzCOUUTg1Q0g6eE+AYzs06Ap/3jtX0IPP5QgORN7gk1 i7/neErH0Hp7GcNsWcLmUS+BH3UB1qV3Y0M0FL2AwUIppE7dcdEpWDo/4aVR+VRXSLne RZDvoPMiZ97sdevYWBXP5kLSwtWlgSb6fdd1we9CgqJwzQnVxNCUXiXPykUCOwAGNY2l M2lmw0R2AZFPWKMXZg789BwRV66IsGgJq1RqK0br97wcSVe1xLzSTSLAs2rBU8XMDW5A 9uk5Gxb2SSP5WVAyQJdyY1vrNs1qKH3+d+KsTaYZRa7A5eHQI82k+7JsVraOVTHANIPe u9Uw== 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:spamdiagnosticmetadata:spamdiagnosticoutput:user-agent :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature :arc-authentication-results; bh=5fLN63MvgbZ4KoOe5fR+LenDHsqXQbCSxbYqA7jAJ6c=; b=ifej2hcPdZ4Ytk24876T9KGsUOxgV0VVdWevqKOED9HJoDTTq9hLvzpsdb7v47p4EV 3QF5CE1a5q7FDydQ89ltFJl9aSiz5KRCMp1cVaVHy8d2uYilTvAApCsHjqMIjeREVAXW vo/+0ZHpRbGnRC2s1sYFeNABC4wfHND84kMgrxtxJeU9qinOUai5ceOw2oSonD7mrQc4 a6o8c/pWKFjcKCuwJliTFcpaItsdnrY4kyYKpVIKpzPfdNMQDjBHlCFcLxLm3joXJYdO Jx/kBjTastWtCpPTef/370oyvLZyIb5XM8uDFSz6iYrFS8yTwHj47qCQ6elGFH4Y7xNz HQJQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@raithlin.onmicrosoft.com header.s=selector1-raithlin-com header.b=BRNnoavL; 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 p80si16859229pfi.345.2018.05.09.08.42.33; Wed, 09 May 2018 08:43:13 -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=@raithlin.onmicrosoft.com header.s=selector1-raithlin-com header.b=BRNnoavL; 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 S965154AbeEIPlu (ORCPT + 99 others); Wed, 9 May 2018 11:41:50 -0400 Received: from mail-eopbgr660097.outbound.protection.outlook.com ([40.107.66.97]:15543 "EHLO CAN01-QB1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S935397AbeEIPlr (ORCPT ); Wed, 9 May 2018 11:41:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raithlin.onmicrosoft.com; s=selector1-raithlin-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=5fLN63MvgbZ4KoOe5fR+LenDHsqXQbCSxbYqA7jAJ6c=; b=BRNnoavLlQe6/SguhQNyAONGzSv4n2LdMtVLDarMarTiwmxC7qICL6kTEVuNvt7iEJB1DsuF8GbuyzPcNwM3dD3gmsseOdZrEt8v5rpFyBvsLrt5uD4rShrrkVAhr0puwi41/g684cYZBxSuHxH0dAXrQJilxk7bqVbrBZbYNLA= Received: from YTOPR0101MB2043.CANPRD01.PROD.OUTLOOK.COM (52.132.49.16) by YTOPR0101MB1964.CANPRD01.PROD.OUTLOOK.COM (52.132.50.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.735.19; Wed, 9 May 2018 15:41:45 +0000 Received: from YTOPR0101MB2043.CANPRD01.PROD.OUTLOOK.COM ([fe80::bc2b:4b12:11a1:cfe3]) by YTOPR0101MB2043.CANPRD01.PROD.OUTLOOK.COM ([fe80::bc2b:4b12:11a1:cfe3%13]) with mapi id 15.20.0735.019; Wed, 9 May 2018 15:41:45 +0000 From: "Stephen Bates" To: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Jerome Glisse" , Logan Gunthorpe CC: Alex Williamson , Bjorn Helgaas , "linux-kernel@vger.kernel.org" , "linux-pci@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "linux-rdma@vger.kernel.org" , "linux-nvdimm@lists.01.org" , "linux-block@vger.kernel.org" , Christoph Hellwig , Jens Axboe , Keith Busch , Sagi Grimberg , Bjorn Helgaas , Jason Gunthorpe , Max Gurtovoy , Dan Williams , Benjamin Herrenschmidt Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches Thread-Topic: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches Thread-Index: AQHT21soiBVnp6SJuEuLCiH6kBzTLKQk+zIAgACHcYCAAJmxAIAABkiAgAAoBgCAAAW2gIAAA0YAgAAHvYCAAAGOgIAACKoAgACuAYCAAGxLgP//vUwA Date: Wed, 9 May 2018 15:41:44 +0000 Message-ID: <1775CC56-4651-422F-953A-18E024D3717C@raithlin.com> References: <20180423233046.21476-5-logang@deltatee.com> <20180507231306.GG161390@bhelgaas-glaptop.roam.corp.google.com> <0b4183ef-e720-204b-9e85-b9eaf7a4136a@deltatee.com> <3584a6ac-95c7-5d23-1859-aee30605776e@deltatee.com> <20180508133407.57a46902@w520.home> <5fc9b1c1-9208-06cc-0ec5-1f54c2520494@deltatee.com> <20180508141331.7cd737cb@w520.home> <20180508205005.GC15608@redhat.com> <7FFB9603-DF9F-4441-82E9-46037CB6C0DE@raithlin.com> In-Reply-To: Accept-Language: en-CA, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.d.0.180505 authentication-results: spf=none (sender IP is ) smtp.mailfrom=sbates@raithlin.com; x-originating-ip: [70.65.250.31] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;YTOPR0101MB1964;7:no9J8QesCWwfsX6xY3a5C5mq/FoXxngR8DoaQSl7JyhoiSswRYTAbr0IbJsXlo3rSKfC2zmAItdv/BBFztyCMuWHDxF+ez1rj1nVWGUvDwAeU94yJezze/R4gvPrc+pn1DTKf90kL+2aYNOTIAbNdHVl5IElk+w4s/ES3wbiVXDrt55jB/uNy4LBhHoHvvlcpAZXAFeuwDSo40/FaL7CeTOfRus8SxZvbP5MX3sWF3zkRXN4KqXco3pnh7y3h/O4 x-ms-exchange-antispam-srfa-diagnostics: SOS; x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(7021125)(4534165)(7022125)(4603075)(4627221)(201702281549075)(7048125)(7024125)(7027125)(7028125)(7023125)(5600026)(2017052603328)(7153060)(7193020);SRVR:YTOPR0101MB1964; x-ms-traffictypediagnostic: YTOPR0101MB1964: x-microsoft-antispam-prvs: x-exchange-antispam-report-test: UriScan:; x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(6040522)(2401047)(5005006)(8121501046)(10201501046)(93006095)(93001095)(3231254)(944501410)(52105095)(3002001)(149027)(150027)(6041310)(20161123560045)(20161123562045)(20161123564045)(20161123558120)(2016111802025)(6072148)(6043046)(201708071742011);SRVR:YTOPR0101MB1964;BCL:0;PCL:0;RULEID:;SRVR:YTOPR0101MB1964; x-forefront-prvs: 0667289FF8 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(346002)(376002)(39830400003)(366004)(39380400002)(396003)(199004)(189003)(4326008)(81156014)(81166006)(7416002)(8936002)(5660300001)(6506007)(3846002)(305945005)(6246003)(8676002)(7736002)(66066001)(486006)(186003)(25786009)(110136005)(36756003)(97736004)(83716003)(99286004)(6512007)(53936002)(82746002)(5250100002)(33656002)(86362001)(6486002)(476003)(11346002)(2906002)(446003)(316002)(76176011)(93886005)(6436002)(2900100001)(26005)(3660700001)(59450400001)(229853002)(58126008)(102836004)(54906003)(6116002)(14454004)(105586002)(8666007)(3280700002)(478600001)(2616005)(68736007)(106356001);DIR:OUT;SFP:1102;SCL:1;SRVR:YTOPR0101MB1964;H:YTOPR0101MB2043.CANPRD01.PROD.OUTLOOK.COM;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: raithlin.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: Z5yIwRvSTOtsUObDtnGA+PvTLY4U6XYy7EfsQGp5rhys/vv1HOapGAkjV4v8cBfpQXd16HJyydCT4rHLoREPGbOaPY5RMp41KjyLVy1Db41NjXDcld3yhQLoWp7Vu27rvq18yrtRZa/QsvruPP5Q8xTReVDSLAfdvQQYWJTdkp9GaK4ZTrPwXb/bMZcJw7Ac spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <215EC96ED56B2D49A092AB3D81AEB91E@CANPRD01.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: fbdb0ec1-a6e2-4f22-c389-08d5b5c35e7a X-OriginatorOrg: raithlin.com X-MS-Exchange-CrossTenant-Network-Message-Id: fbdb0ec1-a6e2-4f22-c389-08d5b5c35e7a X-MS-Exchange-CrossTenant-originalarrivaltime: 09 May 2018 15:41:45.0209 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 18519031-7ff4-4cbb-bbcb-c3252d330f4b X-MS-Exchange-Transport-CrossTenantHeadersStamped: YTOPR0101MB1964 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Q2hyaXN0aWFuDQoNCj4gICAgSW50ZXJlc3RpbmcgcG9pbnQsIGdpdmUgbWUgYSBtb21lbnQgdG8g Y2hlY2sgdGhhdC4gVGhhdCBmaW5hbGx5IG1ha2VzIA0KPiAgICBhbGwgdGhlIGhhcmR3YXJlIEkg aGF2ZSBzdGFuZGluZyBhcm91bmQgaGVyZSB2YWx1YWJsZSA6KQ0KICAgIA0KWWVzLiBBdCB0aGUg dmVyeSBsZWFzdCBpdCBwcm92aWRlcyBhbiBpbml0aWFsIHN0YW5kYXJkcyBiYXNlZCBwYXRoIGZv ciBQMlAgRE1BcyBhY3Jvc3MgUlBzIHdoaWNoIGlzIHNvbWV0aGluZyB3ZSBoYXZlIGRpc2N1c3Nl ZCBvbiB0aGlzIGxpc3QgaW4gdGhlIHBhc3QgYXMgYmVpbmcgZGVzaXJhYmxlLg0KDQpCVFcgSSBh bSB0cnlpbmcgdG8gdW5kZXJzdGFuZCBob3cgYW4gQVRTIGNhcGFibGUgRVAgZnVuY3Rpb24gZGV0 ZXJtaW5lcyB3aGVuIHRvIHBlcmZvcm0gYW4gQVRTIFRyYW5zbGF0aW9uIFJlcXVlc3QgKEFUUyBU UikuIElzIHRoZXJlIGFuIHVwc3RyZWFtIGV4YW1wbGUgb2YgdGhlIGRyaXZlciBmb3IgeW91ciBB UFUgdGhhdCB1c2VzIEFUUz8gSWYgc28sIGNhbiB5b3UgcHJvdmlkZSBhIHBvaW50ZXIgdG8gaXQu IERvIHlvdSBwcm92aWRlIHNvbWUgdHlwZSBvZiBlbnRyeSBpbiB0aGUgc3VibWlzc2lvbiBxdWV1 ZXMgZm9yIGNvbW1hbmRzIGdvaW5nIHRvIHRoZSBBUFUgdG8gaW5kaWNhdGUgaWYgdGhlIGFkZHJl c3MgYXNzb2NpYXRlZCB3aXRoIGEgc3BlY2lmaWMgY29tbWFuZCBzaG91bGQgYmUgdHJhbnNsYXRl ZCB1c2luZyBBVFMgb3Igbm90PyBPciBkbyB5b3Ugc2ltcGx5IGVuYWJsZSBBVFMgYW5kIHRoZW4g YWxsIGFkZHJlc3NlcyBwYXNzZWQgdG8geW91ciBBUFUgdGhhdCBtaXNzIHRoZSBsb2NhbCBjYWNo ZSByZXN1bHQgaW4gYSBBVFMgVFI/DQoNCllvdXIgZmVlZGJhY2sgd291bGQgYmUgdXNlZnVsIGFu ZCBJIGluaXRpYXRlIGRpc2N1c3Npb25zIHdpdGhpbiB0aGUgTlZNZSBjb21tdW5pdHkgb24gd2hl cmUgd2UgbWlnaHQgZ28gd2l0aCBBVFMuLi4NCg0KVGhhbmtzDQoNClN0ZXBoZW4NCg0K