From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: "Stephen Bates" To: Jerome Glisse CC: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Logan Gunthorpe" , 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 Date: Thu, 10 May 2018 14:20:00 +0000 Message-ID: <405531AE-8315-4A4F-9B0C-8DBE49BFCAB4@raithlin.com> References: <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> <1775CC56-4651-422F-953A-18E024D3717C@raithlin.com> <20180509160722.GB4140@redhat.com> <366A8132-B88A-40F7-BDE3-DA542E45FC0C@raithlin.com> <20180509174952.GC4140@redhat.com> In-Reply-To: <20180509174952.GC4140@redhat.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: SGkgSmVyb21lDQoNCj4gQXMgaXQgaXMgdGllIHRvIFBBU0lEIHRoaXMgaXMgZG9uZSB1c2luZyBJ T01NVSBzbyBsb29rcyBmb3IgY2FsbGVyDQo+IG9mIGFtZF9pb21tdV9iaW5kX3Bhc2lkKCkgb3Ig aW50ZWxfc3ZtX2JpbmRfbW0oKSBpbiBHUFUgdGhlIGV4aXN0aW5nDQo+ICB1c2VyIGlzIHRoZSBB TUQgR1BVIGRyaXZlciBzZWU6DQogICAgDQpBaCB0aGFua3MuIFRoaXMgY2xlYXJlZCB0aGluZ3Mg dXAgZm9yIG1lLiBBIHF1aWNrIHNlYXJjaCBzaG93cyB0aGVyZSBhcmUgc3RpbGwgbm8gdXNlcnMg b2YgaW50ZWxfc3ZtX2JpbmRfbW0oKSBidXQgSSBzZWUgdGhlIEFNRCB2ZXJzaW9uIHVzZWQgaW4g dGhhdCBHUFUgZHJpdmVyLg0KDQpPbmUgdGhpbmcgSSBjb3VsZCBub3QgZ3JvayBmcm9tIHRoZSBj b2RlIGhvdyB0aGUgR1BVIGRyaXZlciBpbmRpY2F0ZXMgd2hpY2ggRE1BIGV2ZW50cyByZXF1aXJl IEFUUyB0cmFuc2xhdGlvbnMgYW5kIHdoaWNoIGRvIG5vdC4gSSBhbSBhc3N1bWluZyB0aGUgZHJp dmVyIGltcGxlbWVudHMgc29tZXdheSBvZiBpbmRpY2F0aW5nIHRoYXQgYW5kIGl0cyBub3QganVz dCBhIGdsb2JhbCBPTiBvciBPRkYgZm9yIGFsbCBETUFzPyBUaGUgcmVhc29uIEkgYXNrIGlzIHRo YXQgSSBsb29raW5nIGF0IGlmIE5WTWUgd2FzIHRvIHN1cHBvcnQgQVRTIHdoYXQgd291bGQgbmVl ZCB0byBiZSBhZGRlZCBpbiB0aGUgTlZNZSBzcGVjIGFib3ZlIGFuZCBiZXlvbmQgd2hhdCB3ZSBo YXZlIGluIFBDSSBBVFMgdG8gc3VwcG9ydCBlZmZpY2llbnQgdXNlIG9mIEFUUyAoZm9yIGV4YW1w bGUgd291bGQgd2UgbmVlZCBhIGZsYWcgaW4gdGhlIHN1Ym1pc3Npb24gcXVldWUgZW50cmllcyB0 byBpbmRpY2F0ZSBhIHBhcnRpY3VsYXIgSU8ncyBTR0wvUFJQIHNob3VsZCB1bmRlcmdvIEFUUyku DQoNCkNoZWVycw0KDQpTdGVwaGVuICAgIA0KDQo=