From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH v4 04/14] PCI/P2PDMA: Clear ACS P2P flags for all devices behind switches Date: Tue, 8 May 2018 18:50:25 +0200 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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <0b4183ef-e720-204b-9e85-b9eaf7a4136a-OTvnGxWRz7hWk0Htik3J/w@public.gmane.org> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" To: Logan Gunthorpe , Bjorn Helgaas , Alex Williamson Cc: Jens Axboe , Keith Busch , linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-nvme-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Jason Gunthorpe , Benjamin Herrenschmidt , Bjorn Helgaas , Max Gurtovoy , Christoph Hellwig List-Id: linux-rdma@vger.kernel.org QW0gMDguMDUuMjAxOCB1bSAxODoyNyBzY2hyaWViIExvZ2FuIEd1bnRob3JwZToKPgo+IE9uIDA4 LzA1LzE4IDAxOjE3IEFNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOgo+PiBBTUQgQVBVcyBtYW5k YXRvcnkgbmVlZCB0aGUgQUNTIGZsYWcgc2V0IGZvciB0aGUgR1BVIGludGVncmF0ZWQgaW4gdGhl Cj4+IENQVSB3aGVuIElPTU1VIGlzIGVuYWJsZWQgb3Igb3RoZXJ3aXNlIHlvdSB3aWxsIGJyZWFr IFNWTS4KPiBXZWxsLCBnaXZlbiB0aGF0IHRoZSBjdXJyZW50IHNldCBvbmx5IGRpc2FibGVzIEFD UyBiaXRzIG9uIGJyaWRnZXMKPiAocHJldmlvdXMgdmVyc2lvbnMgd2VyZSBvbmx5IG9uIHN3aXRj aGVzKSB0aGlzIHNob3VsZG4ndCBiZSBhbiBpc3N1ZSBmb3IKPiBpbnRlZ3JhdGVkIGRldmljZXMu IFdlIGRvIG5vdCBkaXNhYmxlIEFDUyBmbGFncyBnbG9iYWxseS4KCk9rLCB0aGF0IGlzIGF0IGxl YXN0IGEgc3RlcCBpbiB0aGUgcmlnaHQgZGlyZWN0aW9uLiBCdXQgSSB0aGluayB3ZSAKc2VyaW91 c2x5IG5lZWQgdG8gdGVzdCB0aGF0IGZvciBzaWRlIGVmZmVjdHMuCgo+Cj4+IEFuZCB3aGF0IGV4 YWN0bHkgaXMgdGhlIHByb2JsZW0gaGVyZT8gSSdtIGN1cnJlbnRseSB0ZXN0aW5nIFAyUCB3aXRo Cj4+IEdQVXMgaW4gZGlmZmVyZW50IElPTU1VIGRvbWFpbnMgYW5kIGF0IGxlYXN0IHdpdGggQU1E IElPTU1VcyB0aGF0IHdvcmtzCj4+IHBlcmZlY3RseSBmaW5lLgo+IEluIGFkZGl0aW9uIHRvIFN0 ZXBoZW4ncyBjb21tZW50cywgc2VlaW5nIHdlJ3ZlIGVzdGFibGlzaGVkIGEgZ2VuZXJhbAo+IG5l ZWQgdG8gYXZvaWQgdGhlIHJvb3QgY29tcGxleCAodW50aWwgd2UgaGF2ZSBhIHdoaXRlbGlzdCBh dCBsZWFzdCkgd2UKPiBtdXN0IGhhdmUgQUNTIGRpc2FibGVkIGFsb25nIHRoZSBwYXRoIGJldHdl ZW4gdGhlIGRldmljZXMuIE90aGVyd2lzZSwKPiBhbGwgVExQcyB3aWxsIGdvIHRocm91Z2ggdGhl IHJvb3QgY29tcGxleCBhbmQgaWYgdGhlcmUgaXMgbm8gc3VwcG9ydCBpdAo+IHdpbGwgZmFpbC4K CldlbGwgSSdtIG5vdCBhbiBleHBlcnQgb24gdGhpcywgYnV0IGlmIEknbSBub3QgY29tcGxldGVs eSBtaXN0YWtlbiB0aGF0IAppcyBub3QgY29ycmVjdC4KCkUuZy4gdHJhbnNhY3Rpb25zIGFyZSBp bml0aWFsbHkgc2VuZCB0byB0aGUgcm9vdCBjb21wbGV4IGZvciAKdHJhbnNsYXRpb24sIHRoYXQn cyBmb3Igc3VyZS4gQnV0IGF0IGxlYXN0IGZvciBBTUQgR1BVcyB0aGUgcm9vdCBjb21wbGV4IAph bnN3ZXJzIHdpdGggdGhlIHRyYW5zbGF0ZWQgYWRkcmVzcyB3aGljaCBpcyB0aGVuIGNhY2hlZCBp biB0aGUgZGV2aWNlLgoKU28gZnVydGhlciB0cmFuc2FjdGlvbnMgZm9yIHRoZSBzYW1lIGFkZHJl c3MgcmFuZ2UgdGhlbiBnbyBkaXJlY3RseSB0byAKdGhlIGRlc3RpbmF0aW9uLgoKV2hhdCB5b3Ug ZG9uJ3Qgd2FudCBpcyBkZXZpY2UgaXNvbGF0aW9uLCBjYXVzZSBpbiB0aGlzIGNhc2UgdGhlIHJv b3QgCmNvbXBsZXggaGFuZGxlcyB0aGUgdHJhbnNhY3Rpb24gdGhlbXNlbHZlcy4gSUlSQyB0aGVy ZSB3aGVyZSBhbHNvIApzb21ldGhpbmcgbGlrZSAiZm9yY2VfaXNvbGF0aW9uIiBhbmQgIm5vYnlw YXNzIiBwYXJhbWV0ZXJzIGZvciB0aGUgSU9NTVUgCnRvIGNvbnRyb2wgdGhhdCBiZWhhdmlvci4K Ckl0J3MgYWxyZWFkeSBsYXRlIGhlcmUsIGJ1dCBnb2luZyB0byBkaWcgdXAgdGhlIGRvY3VtZW50 YXRpb24gZm9yIHRoYXQgCnRvbW9ycm93IGFuZC9vciBjb250YWN0IGEgaGFyZHdhcmUgZW5naW5l ZXIgaW52b2x2ZWQgaW4gdGhlIEFDUyBzcGVjLgoKUmVnYXJkcywKQ2hyaXN0aWFuLgoKPgo+IElm IHRoZSBjb25zZW5zdXMgaXMgd2Ugd2FudCBhIGNvbW1hbmQgbGluZSBvcHRpb24sIHRoZW4gc28g YmUgaXQuIEJ1dAo+IHdlJ2xsIGhhdmUgdG8gZGVueSBwcmV0dHkgbXVjaCBhbGwgUDJQIHRyYW5z YWN0aW9ucyB1bmxlc3MgdGhlIHVzZXIKPiBjb3JyZWN0bHkgZGlzYWJsZXMgQUNTIGFsb25nIHRo ZSBwYXRoIHVzaW5nIHRoZSBjb21tYW5kIGxpbmUgb3B0aW9uIGFuZAo+IHRoaXMgaXMgcmVhbGx5 IGFubm95aW5nIGZvciB1c2VycyBvZiB0aGlzIGZ1bmN0aW9uYWxpdHkgdG8gdW5kZXJzdGFuZAo+ IGhvdyB0byBkbyB0aGF0IGNvcnJlY3RseS4KPgo+IExvZ2FuCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1udmRpbW0gbWFpbGluZyBsaXN0Ckxp bnV4LW52ZGltbUBsaXN0cy4wMS5vcmcKaHR0cHM6Ly9saXN0cy4wMS5vcmcvbWFpbG1hbi9saXN0 aW5mby9saW51eC1udmRpbW0K