Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756008AbdDMIjN (ORCPT ); Thu, 13 Apr 2017 04:39:13 -0400 Received: from twosheds.infradead.org ([90.155.92.209]:35058 "EHLO twosheds.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750811AbdDMIjK (ORCPT ); Thu, 13 Apr 2017 04:39:10 -0400 Message-ID: <1492072746.17682.127.camel@infradead.org> Subject: Re: [PATCH v2 25/27] ia64: Use generic pci_mmap_resource_range() From: David Woodhouse To: Tony Luck Cc: "linux-pci@vger.kernel.org" , "linux-arch@vger.kernel.org" , Linux Kernel Mailing List In-Reply-To: References: <109e9ddbde4334d0da34f331797236309d789353.1491999859.git.dwmw2@infradead.org> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/x-pkcs7-signature"; boundary="=-rC1aCLdLVa6Gu7zJrpwA" Date: Thu, 13 Apr 2017 09:39:06 +0100 Mime-Version: 1.0 X-Mailer: Evolution 3.18.5.2-0ubuntu3.1 X-SRS-Rewrite: SMTP reverse-path rewritten from by twosheds.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8161 Lines: 131 --=-rC1aCLdLVa6Gu7zJrpwA Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2017-04-12 at 14:47 -0700, Tony Luck wrote: > On Wed, Apr 12, 2017 at 5:26 AM, David Woodhouse wr= ote: > >=20 > > From: David Woodhouse > >=20 > > Now that we eliminated the different behaviour in separately-reviewable > > commits, we can switch IA64 to the generic implementation. > >=20 > > Signed-off-by: David Woodhouse > > Well it builds and boots on my last remaining ia64 machine. No warnings > or weird stuff in the console log.=C2=A0=C2=A0So you can mark the three i= a64 patches Thanks. The interesting test is whether you can correctly map PCI BARs through /proc/bus/pci and /sys/bus/pci? And if you find a prefetchable BAR you can scribble on, does the box explode if you do it both WC and UC at the same time? http://david.woodhou.se/pcimmap_copy.c=C2=A0should validate WC mappings and look something like this... [fedora@ip-172-31-55-194 ~]$ sudo ./pcimmap_copy /sys/bus/pci/devices/0000\= :00\:1e.0/resource4 0 Copied 1000 loops in 0.354437301s [fedora@ip-172-31-55-194 ~]$ sudo ./pcimmap_copy /sys/bus/pci/devices/0000\= :00\:1e.0/resource4_wc 0 Copied 1000 loops in 0.057309254s --=-rC1aCLdLVa6Gu7zJrpwA Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCDzUw ggSvMIIDl6ADAgECAhEA4CPLFRKDU4mtYW56VGdrITANBgkqhkiG9w0BAQsFADBvMQswCQYDVQQG EwJTRTEUMBIGA1UEChMLQWRkVHJ1c3QgQUIxJjAkBgNVBAsTHUFkZFRydXN0IEV4dGVybmFsIFRU UCBOZXR3b3JrMSIwIAYDVQQDExlBZGRUcnVzdCBFeHRlcm5hbCBDQSBSb290MB4XDTE0MTIyMjAw MDAwMFoXDTIwMDUzMDEwNDgzOFowgZsxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1h bmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9ETyBDQSBMaW1pdGVkMUEw PwYDVQQDEzhDT01PRE8gU0hBLTI1NiBDbGllbnQgQXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBF bWFpbCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAImxDdp6UxlOcFIdvFamBia3 uEngludRq/HwWhNJFaO0jBtgvHpRQqd5jKQi3xdhTpHVdiMKFNNKAn+2HQmAbqUEPdm6uxb+oYep LkNSQxZ8rzJQyKZPWukI2M+TJZx7iOgwZOak+FaA/SokFDMXmaxE5WmLo0YGS8Iz1OlAnwawsayT QLm1CJM6nCpToxDbPSBhPFUDjtlOdiUCISn6o3xxdk/u4V+B6ftUgNvDezVSt4TeIj0sMC0xf1m9 UjewM2ktQ+v61qXxl3dnUYzZ7ifrvKUHOHaMpKk4/9+M9QOsSb7K93OZOg8yq5yVOhM9DkY6V3Rh UL7GQD/L5OKfoiECAwEAAaOCARcwggETMB8GA1UdIwQYMBaAFK29mHo0tCb3+sQmVO8DveAky1Qa MB0GA1UdDgQWBBSSYWuC4aKgqk/sZ/HCo/e0gADB7DAOBgNVHQ8BAf8EBAMCAYYwEgYDVR0TAQH/ BAgwBgEB/wIBADAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwQwEQYDVR0gBAowCDAGBgRV HSAAMEQGA1UdHwQ9MDswOaA3oDWGM2h0dHA6Ly9jcmwudXNlcnRydXN0LmNvbS9BZGRUcnVzdEV4 dGVybmFsQ0FSb290LmNybDA1BggrBgEFBQcBAQQpMCcwJQYIKwYBBQUHMAGGGWh0dHA6Ly9vY3Nw LnVzZXJ0cnVzdC5jb20wDQYJKoZIhvcNAQELBQADggEBABsqbqxVwTqriMXY7c1V86prYSvACRAj mQ/FZmpvsfW0tXdeDwJhAN99Bf4Ss6SAgAD8+x1banICCkG8BbrBWNUmwurVTYT7/oKYz1gb4yJj nFL4uwU2q31Ypd6rO2Pl2tVz7+zg+3vio//wQiOcyraNTT7kSxgDsqgt1Ni7QkuQaYUQ26Y3NOh7 4AEQpZzKOsefT4g0bopl0BqKu6ncyso20fT8wmQpNa/WsadxEdIDQ7GPPprsnjJT9HaSyoY0B7ks yuYcStiZDcGG4pCS+1pCaiMhEOllx/XVu37qjIUgAmLq0ToHLFnFmTPyOInltukWeh95FPZKEBom +nyK+5swggU9MIIEJaADAgECAhBqC1BYlVMtBFBN4igR/howMA0GCSqGSIb3DQEBCwUAMIGbMQsw CQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3Jk MRowGAYDVQQKExFDT01PRE8gQ0EgTGltaXRlZDFBMD8GA1UEAxM4Q09NT0RPIFNIQS0yNTYgQ2xp ZW50IEF1dGhlbnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0EwHhcNMTYxMjIwMDAwMDAwWhcN MTcxMjIwMjM1OTU5WjAkMSIwIAYJKoZIhvcNAQkBFhNkd213MkBpbmZyYWRlYWQub3JnMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwbTrFaiGdvN2pThnR9q+4eaXB2wQZQNqhter5ZrJ pPO47e87bZ+f1tmYoh6+rB90G/XN24NErPRfvU4zVzNT9pCtCzSSVnBlZQBpaEYMKhcXo5PGKNsm An8BoGwNXjlxwbBNRaNO+ky0wNCaMNd1JLxEuvqg9J7rrcpHhWmnpXD5IKa8gv9GyVAJgOpiBOts p91sShc2kHvWJ5waPEWPCHDH9J+twGGKqKIIU7fdbURLUgUL1wlDSAHf/lgIAVCSj2H2HpoGqHpy HgOAClX9iRSLNa0Znj8HTaqfOwxXevsz1KkLFY+Ahm426GIEqdfkK2iT6Hhgc7tjNO3f8i5ALQID AQABo4IB8TCCAe0wHwYDVR0jBBgwFoAUkmFrguGioKpP7GfxwqP3tIAAwewwHQYDVR0OBBYEFILE dmHLtK6oxmFJZvBhTQhvqrS0MA4GA1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAAMCAGA1UdJQQZ MBcGCCsGAQUFBwMEBgsrBgEEAbIxAQMFAjARBglghkgBhvhCAQEEBAMCBSAwRgYDVR0gBD8wPTA7 BgwrBgEEAbIxAQIBAQEwKzApBggrBgEFBQcCARYdaHR0cHM6Ly9zZWN1cmUuY29tb2RvLm5ldC9D UFMwXQYDVR0fBFYwVDBSoFCgToZMaHR0cDovL2NybC5jb21vZG9jYS5jb20vQ09NT0RPU0hBMjU2 Q2xpZW50QXV0aGVudGljYXRpb25hbmRTZWN1cmVFbWFpbENBLmNybDCBkAYIKwYBBQUHAQEEgYMw gYAwWAYIKwYBBQUHMAKGTGh0dHA6Ly9jcnQuY29tb2RvY2EuY29tL0NPTU9ET1NIQTI1NkNsaWVu dEF1dGhlbnRpY2F0aW9uYW5kU2VjdXJlRW1haWxDQS5jcnQwJAYIKwYBBQUHMAGGGGh0dHA6Ly9v Y3NwLmNvbW9kb2NhLmNvbTAeBgNVHREEFzAVgRNkd213MkBpbmZyYWRlYWQub3JnMA0GCSqGSIb3 DQEBCwUAA4IBAQA+AfvNhFwtapF5Lzjapgul3zYuEnMfR538Ya1vhP8wuOkcoJeT2gEFXzVO2WUu eWM0g0/DumnRB53htV/Qq/+vsL0i6a2+iOO7kHi5O7bZkgbdNv0t2lzonDUHi6LTa7NUj+tv+j6y hW+iNquC3ACP1dIZH8gJmicHblW63qRgp6wxhn315MLBeavi3uiSag2eeKFePiTIwJjN2UYq6kWg PL5G/Ycf9x/xN1XBTfJiURc0FsXhrA98VMWnt52C5Lo4txhGjzTI+IZg40b3YDs6E7mTYb5KKmbc QZA9priOFDdj1z5W9BdWhU6I/D0P9y8Z4Tr6+ZscMUVD0RqWy2LeMIIFPTCCBCWgAwIBAgIQagtQ WJVTLQRQTeIoEf4aMDANBgkqhkiG9w0BAQsFADCBmzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdy ZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEaMBgGA1UEChMRQ09NT0RPIENBIExp bWl0ZWQxQTA/BgNVBAMTOENPTU9ETyBTSEEtMjU2IENsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQg U2VjdXJlIEVtYWlsIENBMB4XDTE2MTIyMDAwMDAwMFoXDTE3MTIyMDIzNTk1OVowJDEiMCAGCSqG SIb3DQEJARYTZHdtdzJAaW5mcmFkZWFkLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoC ggEBAMG06xWohnbzdqU4Z0favuHmlwdsEGUDaobXq+WayaTzuO3vO22fn9bZmKIevqwfdBv1zduD RKz0X71OM1czU/aQrQs0klZwZWUAaWhGDCoXF6OTxijbJgJ/AaBsDV45ccGwTUWjTvpMtMDQmjDX dSS8RLr6oPSe663KR4Vpp6Vw+SCmvIL/RslQCYDqYgTrbKfdbEoXNpB71iecGjxFjwhwx/SfrcBh iqiiCFO33W1ES1IFC9cJQ0gB3/5YCAFQko9h9h6aBqh6ch4DgApV/YkUizWtGZ4/B02qnzsMV3r7 M9SpCxWPgIZuNuhiBKnX5Ctok+h4YHO7YzTt3/IuQC0CAwEAAaOCAfEwggHtMB8GA1UdIwQYMBaA FJJha4LhoqCqT+xn8cKj97SAAMHsMB0GA1UdDgQWBBSCxHZhy7SuqMZhSWbwYU0Ib6q0tDAOBgNV HQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAgBgNVHSUEGTAXBggrBgEFBQcDBAYLKwYBBAGyMQED BQIwEQYJYIZIAYb4QgEBBAQDAgUgMEYGA1UdIAQ/MD0wOwYMKwYBBAGyMQECAQEBMCswKQYIKwYB BQUHAgEWHWh0dHBzOi8vc2VjdXJlLmNvbW9kby5uZXQvQ1BTMF0GA1UdHwRWMFQwUqBQoE6GTGh0 dHA6Ly9jcmwuY29tb2RvY2EuY29tL0NPTU9ET1NIQTI1NkNsaWVudEF1dGhlbnRpY2F0aW9uYW5k U2VjdXJlRW1haWxDQS5jcmwwgZAGCCsGAQUFBwEBBIGDMIGAMFgGCCsGAQUFBzAChkxodHRwOi8v Y3J0LmNvbW9kb2NhLmNvbS9DT01PRE9TSEEyNTZDbGllbnRBdXRoZW50aWNhdGlvbmFuZFNlY3Vy ZUVtYWlsQ0EuY3J0MCQGCCsGAQUFBzABhhhodHRwOi8vb2NzcC5jb21vZG9jYS5jb20wHgYDVR0R BBcwFYETZHdtdzJAaW5mcmFkZWFkLm9yZzANBgkqhkiG9w0BAQsFAAOCAQEAPgH7zYRcLWqReS84 2qYLpd82LhJzH0ed/GGtb4T/MLjpHKCXk9oBBV81TtllLnljNINPw7pp0Qed4bVf0Kv/r7C9Iumt vojju5B4uTu22ZIG3Tb9Ldpc6Jw1B4ui02uzVI/rb/o+soVvojargtwAj9XSGR/ICZonB25Vut6k YKesMYZ99eTCwXmr4t7okmoNnnihXj4kyMCYzdlGKupFoDy+Rv2HH/cf8TdVwU3yYlEXNBbF4awP fFTFp7edguS6OLcYRo80yPiGYONG92A7OhO5k2G+Sipm3EGQPaa4jhQ3Y9c+VvQXVoVOiPw9D/cv GeE6+vmbHDFFQ9Ealsti3jGCA9MwggPPAgEBMIGwMIGbMQswCQYDVQQGEwJHQjEbMBkGA1UECBMS R3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRowGAYDVQQKExFDT01PRE8gQ0Eg TGltaXRlZDFBMD8GA1UEAxM4Q09NT0RPIFNIQS0yNTYgQ2xpZW50IEF1dGhlbnRpY2F0aW9uIGFu ZCBTZWN1cmUgRW1haWwgQ0ECEGoLUFiVUy0EUE3iKBH+GjAwDQYJYIZIAWUDBAIBBQCgggHzMBgG CSqGSIb3DQEJAzELBgkqhkiG9w0BBwEwHAYJKoZIhvcNAQkFMQ8XDTE3MDQxMzA4MzkwNlowLwYJ KoZIhvcNAQkEMSIEINPoNphRnr86DJ87+KTruVoUcvF8dHtiKhFHOLqTCrsfMIHBBgkrBgEEAYI3 EAQxgbMwgbAwgZsxCzAJBgNVBAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAO BgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9ETyBDQSBMaW1pdGVkMUEwPwYDVQQDEzhDT01P RE8gU0hBLTI1NiBDbGllbnQgQXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQQIQagtQ WJVTLQRQTeIoEf4aMDCBwwYLKoZIhvcNAQkQAgsxgbOggbAwgZsxCzAJBgNVBAYTAkdCMRswGQYD VQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGjAYBgNVBAoTEUNPTU9E TyBDQSBMaW1pdGVkMUEwPwYDVQQDEzhDT01PRE8gU0hBLTI1NiBDbGllbnQgQXV0aGVudGljYXRp b24gYW5kIFNlY3VyZSBFbWFpbCBDQQIQagtQWJVTLQRQTeIoEf4aMDANBgkqhkiG9w0BAQEFAASC AQCvAb4ZJwUAafXGs8EJkojKLq4zuoP7YlBN/divzGL609lmbkoA+idTQF8JGIHpBVdH754OO3zW o3uiTS1CYh2Wqc3Ja1RTXeIFhwCd+inqs6sQptkimEVmnzkIp0nAiyriQPSm4e/CaGeRA62zhlrI uCpN7FqpZkwObKh9aDVFWPYNBfZL5d2qSJP3V+q4QTJsVE8vDoALomvcMSJ8TYxue/loZsazhnyK YkZXSzZEnNfI7bpkUA3kBHtaxROCvYFDj9lfnV6qeV0Yhjw7czVr3z6h40CKlv00kEdUtbZHa995 ZylwpJ3s56wgQ0smq5s4g8hjg91bGfHADdR9yuHFAAAAAAAA --=-rC1aCLdLVa6Gu7zJrpwA--