From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Message-ID: <1492036240.7236.80.camel@kernel.crashing.org> Subject: Re: [PATCH v3 00/32] PCI: fix config and I/O Address space memory mappings From: Benjamin Herrenschmidt To: Lorenzo Pieralisi , Russell King - ARM Linux Date: Thu, 13 Apr 2017 08:30:40 +1000 In-Reply-To: <20170412144109.GB6842@red-moon> References: <20170411122923.6285-1-lorenzo.pieralisi@arm.com> <1491917906.7236.7.camel@kernel.crashing.org> <20170411140857.GA6821@red-moon> <1491952371.7236.22.camel@kernel.crashing.org> <20170412113124.GZ17774@n2100.armlinux.org.uk> <1492005119.7236.62.camel@kernel.crashing.org> <20170412141654.GA17774@n2100.armlinux.org.uk> <20170412144109.GB6842@red-moon> Mime-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jonas Bonn , Rich Felker , linux-pci@vger.kernel.org, Will Deacon , David Howells , Max Filippov , Paul Mackerras , Huacai Chen , Guan Xuetao , Thomas Gleixner , Hans-Christian Egtvedt , linux-arch@vger.kernel.org, Jesper Nilsson , Yoshinori Sato , Michael Ellerman , Helge Deller , "James E.J. Bottomley" , Ingo Molnar , Geert Uytterhoeven , Catalin Marinas , Matt Turner , Haavard Skinnemoen , Fenghua Yu , James Hogan , Chris Metcalf , Arnd Bergmann , Heiko Carstens , Stefan Kristiansson , Mikael Starvik , Ivan Kokshaysky , Bjorn Helgaas , Stafford Horne , linux-arm-kernel@lists.infradead.org, Richard Henderson , Chris Zankel , Michal Simek , Tony Luck , Vineet Gupta , linux-kernel@vger.kernel.org, Ralf Baechle , Richard Kuo , Niklas Cassel , "Luis R. Rodriguez" , Martin Schwidefsky , Ley Foon Tan , "David S. Miller" Content-Type: text/plain; charset="utf-8" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+bjorn=helgaas.com@lists.infradead.org List-ID: T24gV2VkLCAyMDE3LTA0LTEyIGF0IDE1OjQxICswMTAwLCBMb3JlbnpvIFBpZXJhbGlzaSB3cm90 ZToKPiA+ID4gQXQgbGVhc3Qgd2UgbWFrZSB0aGUgZmFpbHVyZSBleHBsaWNpdCwgYW5kIHRoZSBk cml2ZXIgY2FuIHRha2UKPiA+ID4gYWx0ZXJuYXRlIChwb3NzaWJseSBzdWItb3B0aW1hbCkgYWN0 aW9uIGlmIGl0IGNob29zZXMgdG8gZG8gc28uCj4gPiAKPiA+IFRoZSBzYW1lIHBvaW50cyBhcHBs eSB0byB0aGluZ3MgbGlrZSBwZ3Byb3Rfd3JpdGVjb21iaW5lKCksCj4gPiBwZ3Byb3Rfbm9uY2Fj aGVkKCksIHBncHJvdF9kZXZpY2UoKS7CoCBUaGVuIHRoZXJlJ3MgYWxzbyBwZ3Byb3Rfbm9ucG9z dGVkKCkKPiA+IHRoYXQgdGhpcyBzZXJpZXMgYWxzbyBpbnRyb2R1Y2VzLgoKTm8uIHBncHJvdF93 cml0ZWNvbWJpbmUoKSBzaWxlbnRseSBmYWxsaW5nIGJhY2sgdG8gc2ltcGx5IG5vbi1jYWNoZWQg aXMKb2sgYXMgd2UgYXJlbid0ICJ3ZWFrZW5pbmciIHRoZSBvcmRlcmluZyBydWxlcyBzaWxlbnRs eSBoZXJlLiBTb21ldGhpbmcKdGhhdCBpcyBjb3JyZWN0IHdpdGggd3JpdGVjb21iaW5lIHdpbGwg YWxzbyB3b3JrIHdpdGhvdXQuIEl0J3MganVzdCBhbgpvcHRpbWlzYXRpb24uIE5vdCBjb3JyZWN0 bmVzcy4KClRoaW5ncyBsaWtlIG5vbmNhY2hlZCgpIG11c3Qgb2YgY291cnNlIGJlIGhvbm9yZWQs IGFuZCBJIGRvbid0IHRoaW5rCndlIGhhdmUgYSBjYXNlIGFueXdoZXJlIHdoZXJlIGl0IGlzbid0 LgoKTXkgcG9pbnQgd2l0aCBub3Bvc3QoKSBpcyB0aGF0IGl0J3MgbmV2ZXIgb2sgdG8gc2lsZW50 bHkgZG93bmdyYWRlIGl0LgpDb2RlIHdyaXR0ZW4gd2l0aCB0aGUgYXNzdW1wdGlvbiB0aGF0IHRo ZXJlIGlzIG5vIHBvc3Rpbmcgd2lsbCBiZQoqaW5jb3JyZWN0KiBpZiBwb3N0aW5nIGhhcHBlbnMu IFdlIGRvIGxpdmUgd2l0aCB0aGF0ICJidWciIHRvZGF5IGluZGVlZApidXQgb25jZSB3ZSBoYXZl IHRoYXQgYWNjZXNzb3JzIHdlIG1pZ2h0IHN0YXJ0IGdyb3dpbmcgbW9yZSBjb2RlIHRoYXQKcmVs aWVzIG9uIHRoZSBzcGVjaWZpYyBhdHRyaWJ1dGUgdGhhdCB0aGluZ3MgYXJlbid0IHBvc3RlZCBh bmQgd2lsbCBiZQp3cm9uZyBvbiBhbGwgdGhlIGFyY2hzIHByb3ZpZGluZyB0aGUgZGVmYXVsdCBp bXBsZW1lbnRhdGlvbi4KClRoaXMgaXMgd2h5IEkgaW5zaXN0IHRoYXQgcGdwcm90X25vcG9zdCgp IGlmIGl0IGV4aXN0cyBnbG9iYWxseSwgc2hvdWxkCnJldHVybiBOVUxMIHdoZW4gdGhlIHNlbWFu dGljIGNhbm5vdCBiZSBwcm92aWRlZC4gVGhhdCB3YXkgdGhlcmUgaXMgYQpjbGVhciBsaW5lIGlu IHRoZSBzYW5kLiBJZiB0aGUgZHJpdmVyIGNob3NlcyB0byBvcGVyYXRlIHdpdGggcG9zdGVkCm5v bi1jYWNoZWQgYW55d2F5LCB0aGVuIG1ha2UgaXQgYW4gZXhwbGljaXQgZHJpdmVyIGNob2ljZS4K Cj4gPiBJZiBpb3JlbWFwX25vcG9zdCgpIGlzIG5vdCBwb3NzaWJsZSBvbiBhbiBhcmNoaXRlY3R1 cmUsIHRoZW4KPiA+IHBncHJvdF9ub25wb3N0ZWQoKSB3b24ndCBiZSBwb3NzaWJsZSBlaXRoZXIg LSBidXQgeW91J3ZlIG1hZGUgbm8KPiA+IG1lbnRpb24gb2YgdGhhdCBzbyBmYXIuCgpSaWdodC4g SXQncyBub3Qgb24gbW9zdCBpbiBmYWN0LgoKPiA+IEp1c3QgbGlrZSB0aGUgcHJvcG9zZWQgaW9y ZW1hcF9ub3Bvc3QoKSwgcGdwcm90X25vbnBvc3RlZCgpIGlzIGdpdmVuIGEKPiA+IGRlZmF1bHQg aW1wbGVtZW50YXRpb24gdGhhdCB1c2VzIHBncHJvdF9ub25jYWNoZWQoKS7CoCBNYXliZSB3ZSBz aG91bGQKPiA+IGFsc28gbWFrZSBwY2lfcmVtYXBfaW9zcGFjZSgpIGZhaWwgaWYgcGdwcm90X25v bnBvc3RlZCgpIGlzIG5vdCBkZWZpbmVkCj4gPiBieSB0aGUgYXJjaGl0ZWN0dXJlPwoKT3Igd2Ug KmRvY3VtZW50KiB0aGF0IG1tYXAgb2YgSU8gc3BhY2UgY2FuIHJlc3VsdCBpbiBzb21ldGhpbmcg dGhhdCBpcwpwYXJ0aWFsbHkgbm9uLXBvc3RlZC4KCj4gWWVzLCBJIHdhcyBhYm91dCB0byBtZW50 aW9uIHRoYXQgYW5kIHlvdSBhcmUgcmlnaHQsIEkgc2hvdWxkIGRlYWwgd2l0aAo+IHRoYXQgdG9v IHVuZm9ydHVuYXRlbHkuIEJUVywgSSBoYXZlIG5vdCBwb3N0ZWQgdGhlIGRyaXZlcnMgdG8gbWFr ZSB0aGUKPiByZXZpZXcgZWFzaWVyIChpZSBpdCB3b3VsZCBhZGQgMjAgbW9yZSBwYXRjaGVzIHRv IGFuIGFscmVhZHkgbWFzc2l2ZQo+IHBhdGNoIHNlcmllcyAtIHRoYXQgd2lsbCBiZSB0cmltbWVk IHdoZW4gdGhlIGFzbS1nZW5lcmljIGluY2x1ZGUgaXMKPiByZW1vdmVkIGZyb20gYXJjaGVzIGFj Y29yZGluZyB0byB0aGlzIGRpc2N1c3Npb24pLgo+IAo+IFRoYW5rcywKPiBMb3JlbnpvCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2Vy bmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0 cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVs Cg==