From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: "Stephen Bates" To: Logan Gunthorpe , Dan Williams , Alex Williamson CC: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "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 , =?utf-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Benjamin Herrenschmidt Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches Date: Wed, 9 May 2018 12:38:53 +0000 Message-ID: References: <20180423233046.21476-1-logang@deltatee.com> <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> <20180508144341.0441b676@w520.home> <20180508152631.50fd583c@w520.home> <354F7407-0DC7-470C-B9AA-74FDF9C46B08@raithlin.com> <20180508160336.0935ddde@w520.home> <20905682-9440-7d4b-0260-99d3dc794c3d@deltatee.com> <20180508163206.7d3bf383@w520.home> <2ce7908d-1422-55f8-aeba-94ccce2cb484@deltatee.com> In-Reply-To: <2ce7908d-1422-55f8-aeba-94ccce2cb484@deltatee.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: SGkgTG9nYW4NCg0KPiAgICBZZWFoLCBJJ20gaGF2aW5nIGEgaGFyZCB0aW1lIGNvbWluZyB1cCB3 aXRoIGFuIGVhc3kgZW5vdWdoIHNvbHV0aW9uIGZvcg0KPiAgICB0aGUgdXNlci4gSSBhZ3JlZSB3 aXRoIERhbiB0aG91Z2gsIHRoZSBidXMgcmVudW1iZXJpbmcgcmlzayB3b3VsZCBiZQ0KPiAgICBm YWlybHkgbG93IGluIHRoZSBjdXN0b20gaGFyZHdhcmUgc2VlaW5nIHRoZSBzd2l0Y2hlcyBhcmUg bGlrZWx5IGdvaW5nDQo+ICAgIHRvIGJlIGRpcmVjdGx5IHNvbGRlcmVkIHRvIHRoZSBzYW1lIGJv YXJkIHdpdGggdGhlIENQVS4NCiAgICANCkkgYW0gYWZyYWlkIHRoYXQgc29sZGVyZWQgZG93biBh c3N1bXB0aW9uIG1heSBub3QgYmUgdmFsaWQuIE1vcmUgYW5kIG1vcmUgUENJZSBjYXJkcyB3aXRo IFBDSWUgc3dpdGNoZXMgb24gdGhlbSBhcmUgYmVjb21pbmcgYXZhaWxhYmxlIGFuZCBwZW9wbGUg YXJlIHVzaW5nIHRoZXNlIHRvIGNvbm5lY3Qgc2VydmVycyB0byBhcnJheXMgb2YgTlZNZSBTU0Rz IHdoaWNoIG1heSBtYWtlIHRoZSB0b3BvbG9neSBtb3JlIGR5bmFtaWMuDQoNClN0ZXBoZW4NCg0K