From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Message-ID: <1492511808.25766.91.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 Date: Tue, 18 Apr 2017 20:36:48 +1000 In-Reply-To: <20170418085732.GA23882@red-moon> References: <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> <1492036240.7236.80.camel@kernel.crashing.org> <20170412224555.GB17774@n2100.armlinux.org.uk> <1492044780.7236.87.camel@kernel.crashing.org> <20170418085732.GA23882@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 , "James E.J. Bottomley" , 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 , Russell King - ARM Linux , 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: T24gVHVlLCAyMDE3LTA0LTE4IGF0IDA5OjU3ICswMTAwLCBMb3JlbnpvIFBpZXJhbGlzaSB3cm90 ZToKPiBJIGNhbiBhZGQgYSBkZWZpbmVkKHBncHJvdF9ub25wb3N0ZWQpIHRvIHBjaV9yZW1hcF9p b3NwYWNlKCkgaWYgdGhhdCdzCj4gbm90IHRvbyB1Z2x5IChJIHN1c3BlY3QgQmpvcm4gaXMgdGhy aWxsZWQgYWJvdXQgaXQgOikpLCB0aGF0IHBsdXMKPiB0aGUgS2NvbmZpZyBvcHRpb24gZm9yIGlv cmVtYXBfbm9wb3N0KCkgc2hvdWxkIGNvbXBsZXRlIHRoaXMgc2VyaWVzLgo+IAo+IGludCBwY2lf cmVtYXBfaW9zcGFjZShjb25zdCBzdHJ1Y3QgcmVzb3VyY2UgKnJlcywgcGh5c19hZGRyX3QgcGh5 c19hZGRyKQo+IHsKPiAjaWYgZGVmaW5lZChQQ0lfSU9CQVNFKSAmJiBkZWZpbmVkKENPTkZJR19N TVUpICYmIGRlZmluZWQocGdwcm90X25vbnBvc3RlZCkKPiDCoMKgwqDCoMKgwqDCoMKgdW5zaWdu ZWQgbG9uZyB2YWRkciA9ICh1bnNpZ25lZCBsb25nKVBDSV9JT0JBU0UgKyByZXMtPnN0YXJ0Owo+ IAo+IMKgwqDCoMKgwqDCoMKgwqBpZiAoIShyZXMtPmZsYWdzICYgSU9SRVNPVVJDRV9JTykpCj4g wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqByZXR1cm4gLUVJTlZBTDsKPiAKPiDCoMKg wqDCoMKgwqDCoMKgaWYgKHJlcy0+ZW5kID4gSU9fU1BBQ0VfTElNSVQpCj4gwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqByZXR1cm4gLUVJTlZBTAo+IMKgwqDCoMKgwqDCoMKgwqByZXR1 cm4gaW9yZW1hcF9wYWdlX3JhbmdlKHZhZGRyLCB2YWRkciArIHJlc291cmNlX3NpemUocmVzKSwg cGh5c19hZGRyLAo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBwZ3Byb3Rfbm9ucG9zdGVkKFBBR0VfS0VSTkVMKSk7Cj4g I2Vsc2UKPiDCoMKgwqDCoMKgwqDCoMKgLyogdGhpcyBhcmNoaXRlY3R1cmUgZG9lcyBub3QgaGF2 ZSBtZW1vcnkgbWFwcGVkIEkvTyBzcGFjZSwKPiDCoMKgwqDCoMKgwqDCoMKgwqDCoCBzbyB0aGlz IGZ1bmN0aW9uIHNob3VsZCBuZXZlciBiZSBjYWxsZWQgKi8KPiDCoMKgwqDCoMKgwqDCoMKgV0FS Tl9PTkNFKDEsICJUaGlzIGFyY2hpdGVjdHVyZSBkb2VzIG5vdCBzdXBwb3J0IG1lbW9yeSBtYXBw ZWQgSS9PXG4iKTsKPiDCoMKgwqDCoMKgwqDCoMKgcmV0dXJuIC1FTk9ERVY7Cj4gI2VuZGlmCgpU aGUgYWJvdmUgd291bGQgZWZmZWN0aXZlbHkgZGlzYWJsZSBtbWFwJ2luZyBvZiBJTyBzcGFjZSBm b3IgYW55CmFyY2hpdGVjdHVyZSB0aGF0IGRvZXNuJ3QgaGF2ZSBwZ3Byb3Rfbm9ucG9zdGVkLi4u IHNvIGV2ZXJ5Ym9keSBleGNlcHQKQVJNLiBUaHVzIGJyZWFraW5nIGEgbnVtYmVyIG9mIHN5c3Rl bXMgdGhhdCBoYXZlIGJlZW4gd29ya2luZyBmaW5lIGZvcgp5ZWFycy4KCkkgZmFpbCB0byBzZWUg dGhlIHBvaW50Li4uLgoKSSB0aGluayB5b3UgYXJlIGdpdmluZyB0aGUgd2hvbGUgbm9uLXBvc3Rl ZCBzdHVmZiB3YXkgbW9yZSBpbXBvcnRhbmNlCnRoYW4gaXQgZGVzZXJ2ZXMuIEl0J3Mgb3JpZ2lu YWxseSBhIGtsdWRnZSBJbnRlbCBkaWQgdG8gUENJIGJlY2F1c2UgaXQKd2VsbCB3aXRoIHRoZWly IHN5bmNocm9ub3VzIElPIHNwYWNlLCB3aGljaCB3YXMgaXRzZWxmIGEgcmVtbmFudCBvZgpwcmUt aGlzdG9yeSB0aGF0IHNob3VsZCBoYXZlIGxvbmcgZGllZC4KCkluIHRoZSBzcGVjaWZpYyBjYXNl IG9mIFBDSSAoYWdhaW4gSSdtIG5vdCB0YWxraW5nIGFib3V0IHRoZSBnZW5lcmFsCmNhc2Ugb2Yg cGdwcm90L2lvcmVtYXBfbm9ucG9zdGVkKSwgd2UgaGF2ZSByb3V0aW5lbHkgYmVlbiAidmlvbGF0 aW5nIgp0aGF0IHJ1bGUsIGF0IGxlYXN0IG9uIHRoZSBDUFUgLT4gUENJIEJyaWRnZSBwYXRoICh0 aGUgUENJIGJyaWRnZQppdHNlbGYgdGVuZHMgdG8gcmVzcGVjdCBpdCB0aG91Z2ggSSd2ZSBzZWVu IGV4Y2VwdGlvbnMpIGZvciBkZWNhZGVzCndpdGhvdXQgYW55IGFkdmVyc2UgZWZmZWN0LgoKSSBk b24ndCB0aGluayB0aGVyZSdzIG11Y2ggY29kZSAoaWYgYW55KSBvdXQgdGhlcmUgd2hpY2ggYWN0 dWFsbHkKcmVsaWVzIG9uIHRoZSBub24tcG9zdGVkIGNoYXJhY3RlcmlzdGljcyBvZiBJTyBzcGFj ZS4KCkkgZG9uJ3QgY2FyZSAqdGhhdCogbXVjaCBtaW5kIHlvdSwgd2UgZHJvcHBlZCBJTyBzcGFj ZSBvbiBQQ0kgd2l0aApQT1dFUjgsIGJ1dCBpdCB3b3VsZCBicmVhayBzdHVmZiBvbiBleGlzdGlu ZyBvbGRlciBtYWNoaW5lcyBzdWNoIGFzClBvd2VyTWFjcyBmb3Igbm8gZ29vZCByZWFzb24uCgpJ J2QgcmF0aGVyIHdlIGRvY3VtZW50IHRoYXQgbW1hcCdpbmcgSU8gc3BhY2UgdmlhIHN5c2ZzIGRv ZXNuJ3QgZnVsbHkKcmVzcGVjdCB0aGUgIm5vbi1wb3N0ZWQiIHNlbWFudGljcyBvZiBJTyBhbmQg YmUgZG9uZSB3aXRoIGl0LgoKSXMgdGhlcmUgYW55IG90aGVyIHByYWN0aWNhbCB1c2Ugb2Ygbm9u LXBvc3RlZCBtYXBwaW5ncyA/IENvbmZpZyBzcGFjZQpJIHN1cHBvc2UsIHRob3VnaCBoZXJlIG1v c3RseSBQQ0kgaG9zdCBicmlkZ2VzIGhhbmRsZSBpdCBieSBkb2luZyBhCnJlYWQgYmFjayBpbiB0 aGUgY29uZmlnIG9wcy4uLgoKQ2hlZXJzLApCZW4uCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGlu dXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQu b3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=