Received: by 10.192.165.148 with SMTP id m20csp1408478imm; Thu, 10 May 2018 10:11:45 -0700 (PDT) X-Google-Smtp-Source: AB8JxZpLFCua5iefm+oZZe2ueWXPE2k/6+I+OxhUrB5YB409WSYNS7/uoIdBGsPc4qJms6UkrkEi X-Received: by 2002:a62:4544:: with SMTP id s65-v6mr2165337pfa.150.1525972305374; Thu, 10 May 2018 10:11:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525972305; cv=none; d=google.com; s=arc-20160816; b=wOwAEHLRDs0pF0nJZ5voPuXEd5I59MpeoNuVV+VRJySgNfYHJsF2qCNP3KWV3KScLz pbniYQzQRrs6UO0aSFjGnXsc7QVD1YbHAMkm6Ur3Mw2E5BQvd5u73firNm6WuOu7AXim hIWDfYG4jkmBGA3Ycc1H2/harbWGb1UIb1T/84d8y+zXLNxP3M96wxiEV+gY6RweT8q3 c73WZzsIUPXmYeCBz/+VxmqJTW+WL+xCZAlkM5FanvbM+Qr2seRQ6oElHmy7+OFwDgas KkMee70hfe/zge2fvA3gCzTNRkQ/EdcNuZQDIIa0jOxOFcP4m8yGIz6vxN8BhB9pN7W0 EuIg== 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=wuwF2hfAa3ZTut+078P844I5xe1SL9ZTsXPtF1g5/ag=; b=rvwcnUCYWkYJ1svlAgnY/uxyqVsdVHMYO9lEReKjo+0J5UkBCjpu9NbNG3JTE8Wrqe 3yV9v3fJz2LlX0xLS0MD/G8PBVYNdiViTyPuhTQsEKuUW4d8x4OEcIZ7sPQ4C9I0UGM/ drci0xns5UPUt2DewQwBgxsLFVU91UCPp8qFrMF1LdfLNXO5CoOK+SazKORHt1yM/exX arCyZRwr3f+G9HQqzFFz/xbrfzqkGf8vmvhyYgKk4oCBRODhJVL9NgqeOx03NsDZqYOq pOwxrbqF3hhmsUsSnwnKfa9jUXcSbvAphj3OMHSU5cRppd6p0902oAGvYQUUcpkDS00p uI8Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@raithlin.onmicrosoft.com header.s=selector1-raithlin-com header.b=p9meQ4C8; 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 n4-v6si1235708pfk.277.2018.05.10.10.11.30; Thu, 10 May 2018 10:11:45 -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=p9meQ4C8; 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 S966632AbeEJRLU (ORCPT + 99 others); Thu, 10 May 2018 13:11:20 -0400 Received: from mail-eopbgr660114.outbound.protection.outlook.com ([40.107.66.114]:45954 "EHLO CAN01-QB1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S966425AbeEJRLR (ORCPT ); Thu, 10 May 2018 13:11:17 -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=wuwF2hfAa3ZTut+078P844I5xe1SL9ZTsXPtF1g5/ag=; b=p9meQ4C8z4hMoPavPti9X5QGCMj4uHDrBZI5ifpClyTA79pUThZP6yUm0HtVaSFwiVjXBT7WNZuSAMb2UnDsC6VWVJtri6df4UOxTY2VKamWf1iBtCwNaF5AL6rrwNFLisl0mt1pqk7Dc4yAKiiucvlcELtJJJHEKZqjL55tYnI= Received: from YTXPR0101MB2045.CANPRD01.PROD.OUTLOOK.COM (52.132.39.161) by YTXPR0101MB2144.CANPRD01.PROD.OUTLOOK.COM (52.132.40.140) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.755.16; Thu, 10 May 2018 17:11:14 +0000 Received: from YTXPR0101MB2045.CANPRD01.PROD.OUTLOOK.COM ([fe80::50c8:ff64:a15:a805]) by YTXPR0101MB2045.CANPRD01.PROD.OUTLOOK.COM ([fe80::50c8:ff64:a15:a805%13]) with mapi id 15.20.0755.012; Thu, 10 May 2018 17:11:14 +0000 From: "Stephen Bates" To: Logan Gunthorpe , =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Jerome Glisse" 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+zIAgACHcYCAAJmxAIAABkiAgAAoBgCAAAW2gIAAA0YAgAAHvYCAAAGOgIAACKoAgACuAYCAAGxLgIAAM6EAgAFRXwD//7LJAIAAipIA//+mRQA= Date: Thu, 10 May 2018 17:11:14 +0000 Message-ID: <868B49CE-4F0E-4A48-BE78-12149F85F1A4@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> <4e0d0b96-ab02-2662-adf3-fa956efd294c@deltatee.com> <2fc61d29-9eb4-d168-a3e5-955c36e5d821@amd.com> <94C8FE12-7FC3-48BD-9DCA-E6A427E71810@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: [70.73.168.51] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;YTXPR0101MB2144;7:KdrMx2NgwH5DmzS8GRYuLGMYCvdmH2DqdwH5V9ShDmq37Af9anPrMl1IkxBGD5mUqdOxUFwa7ylbScIHoRQRBzUlluKhdX30liFCcn9JDF42jBNGAaGSyeyIRGYOo99mM5jEJV9rFNST2MmqonCCKnd9zYN+i23K//SQ23fnwy8qYcVsftcUvqPxi36xERSEVet96PeI5NzXv8cK/8Eln2FgZiaYY3Bin2dIWRh1hsTpUfInwf8MG0g83jnJi5H5 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:YTXPR0101MB2144; x-ms-traffictypediagnostic: YTXPR0101MB2144: 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)(8121501046)(5005006)(3002001)(10201501046)(3231254)(944501410)(52105095)(93006095)(93001095)(149027)(150027)(6041310)(20161123558120)(2016111802025)(20161123564045)(20161123562045)(20161123560045)(6072148)(6043046)(201708071742011);SRVR:YTXPR0101MB2144;BCL:0;PCL:0;RULEID:;SRVR:YTXPR0101MB2144; x-forefront-prvs: 066898046A x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(39380400002)(346002)(366004)(376002)(396003)(39830400003)(189003)(199004)(82746002)(476003)(76176011)(110136005)(316002)(5660300001)(4326008)(54906003)(58126008)(6486002)(6436002)(6506007)(11346002)(97736004)(68736007)(446003)(99286004)(6246003)(5250100002)(186003)(93886005)(26005)(102836004)(25786009)(2616005)(2900100001)(486006)(229853002)(53936002)(7416002)(86362001)(33656002)(3846002)(305945005)(3280700002)(7736002)(14454004)(478600001)(3660700001)(6116002)(551934003)(105586002)(2906002)(106356001)(81166006)(6512007)(36756003)(8676002)(81156014)(8666007)(83716003)(66066001)(8936002);DIR:OUT;SFP:1102;SCL:1;SRVR:YTXPR0101MB2144;H:YTXPR0101MB2045.CANPRD01.PROD.OUTLOOK.COM;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: raithlin.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: 8OKc+ldhY9FTIzQVXOiCmuYjnQOQNK+HgYi4EsQ8AKtHG5JARnN8noSXL5f2HMgcmmKeVs2BKel6MSVTRqGqsepDdGC2lb+NoJjLumpsvOr9dI/fTnnMj8eIWqJHTtkHuW4XBunZbYbQYeb4j5RGoQ0nK3Hr3vxJ+AA3ak6Bay6BoR8Xf1kNj6wIAQEJOHFj spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="utf-8" Content-ID: <269C6C062D058B4E801135E0899060A7@CANPRD01.PROD.OUTLOOK.COM> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: 19a85380-8719-4b07-7dd0-08d5b699097c X-OriginatorOrg: raithlin.com X-MS-Exchange-CrossTenant-Network-Message-Id: 19a85380-8719-4b07-7dd0-08d5b699097c X-MS-Exchange-CrossTenant-originalarrivaltime: 10 May 2018 17:11:14.7573 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 18519031-7ff4-4cbb-bbcb-c3252d330f4b X-MS-Exchange-Transport-CrossTenantHeadersStamped: YTXPR0101MB2144 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBOb3QgdG8gbWUuIEluIHRoZSBwMnBkbWEgY29kZSB3ZSBzcGVjaWZpY2FsbHkgcHJvZ3JhbSBE TUEgZW5naW5lcyB3aXRoDQo+IHRoZSBQQ0kgYnVzIGFkZHJlc3MuIA0KDQpBaCB5ZXMgb2YgY291 cnNlLiBCcmFpbiBmYXJ0IG9uIG15IHBhcnQuIFdlIGFyZSBub3QgcHJvZ3JhbW1pbmcgdGhlIFAy UERNQSBpbml0aWF0b3Igd2l0aCBhbiBJT1ZBIGJ1dCB3aXRoIHRoZSBQQ0kgYnVzIGFkZHJlc3Mu Li4NCg0KPiBTbyByZWdhcmRsZXNzIG9mIHdoZXRoZXIgd2UgYXJlIHVzaW5nIHRoZSBJT01NVSBv cg0KPiBub3QsIHRoZSBwYWNrZXRzIHdpbGwgYmUgZm9yd2FyZGVkIGRpcmVjdGx5IHRvIHRoZSBw ZWVyLiBJZiB0aGUgQUNTDQo+ICBSZWRpciBiaXRzIGFyZSBvbiB0aGV5IHdpbGwgYmUgZm9yY2Vk IGJhY2sgdG8gdGhlIFJDIGJ5IHRoZSBzd2l0Y2ggYW5kDQo+ICB0aGUgdHJhbnNhY3Rpb24gd2ls bCBmYWlsLiBJZiB3ZSBjbGVhciB0aGUgQUNTIGJpdHMsIHRoZSBUTFBzIHdpbGwgZ28NCj4gIHdo ZXJlIHdlIHdhbnQgYW5kIGV2ZXJ5dGhpbmcgd2lsbCB3b3JrIChidXQgd2UgbG9zZSB0aGUgaXNv bGF0aW9uIG9mIEFDUykuDQoNCkFncmVlZC4NCiAgICANCj4gICAgRm9yIEVQcyB0aGF0IHN1cHBv cnQgQVRTLCB3ZSBzaG91bGQgKGJ1dCBkb24ndCBuZWNlc3NhcmlseSBoYXZlIHRvKQ0KPiAgICBw cm9ncmFtIHRoZW0gd2l0aCB0aGUgSU9WQSBhZGRyZXNzIHNvIHRoZXkgY2FuIGdvIHRocm91Z2gg dGhlDQo+ICAgIHRyYW5zbGF0aW9uIHByb2Nlc3Mgd2hpY2ggd2lsbCBhbGxvdyBQMlAgd2l0aG91 dCBkaXNhYmxpbmcgdGhlIEFDUyBSZWRpcg0KPiAgICBiaXRzIC0tIHByb3ZpZGVkIHRoZSBBQ1Mg ZGlyZWN0IHRyYW5zbGF0aW9uIGJpdCBpcyBzZXQuIChBbmQgYnR3LCBpZiBpdA0KPiAgICBpcywg dGhlbiB3ZSBsb3NlIHRoZSBiZW5lZml0IG9mIEFDUyBwcm90ZWN0aW5nIGFnYWluc3QgbWFsaWNp b3VzIEVQcykuDQo+ICAgIEJ1dCwgcGVyIGFib3ZlLCB0aGUgQVRTIHRyYW5zYWN0aW9uIHNob3Vs ZCBpbnZvbHZlIG9ubHkgdGhlIElPVkEgYWRkcmVzcw0KPiAgICBzbyB0aGUgQUNTIGJpdHMgbm90 IGJlaW5nIHNldCBzaG91bGQgbm90IGJyZWFrIEFUUy4NCiAgICANCldlbGwgd2Ugd291bGQgc3Rp bGwgaGF2ZSB0byBjbGVhciBzb21lIEFDUyBiaXRzIGJ1dCBub3cgd2UgY2FuIGNsZWFyIG9ubHkg Zm9yIHRyYW5zbGF0ZWQgYWRkcmVzc2VzLg0KDQpTdGVwaGVuDQogICAgDQoNCg==