From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: dma: axi-dmac: Split too large segments From: "Ardelean, Alexandru" Message-Id: Date: Mon, 18 Feb 2019 07:28:03 +0000 To: "lkp@intel.com" Cc: "kbuild-all@01.org" , "dmaengine@vger.kernel.org" , "vkoul@kernel.org" , "lars@metafoo.de" List-ID: T24gU2F0LCAyMDE5LTAyLTE2IGF0IDE3OjAzICswODAwLCBrYnVpbGQgdGVzdCByb2JvdCB3cm90 ZToNCj4gDQoNCk15IGJhZCBoZXJlLg0KSSB0b29rIHRoaXMgcGF0Y2ggZnJvbSBvdXIga2VybmVs IHRyZWUgYW5kIHNlbnQgaXQuDQpJIGFzc3VtZWQgaXQgd29ya3MsIHNpbmNlIGl0IHdvcmtzIGlu IG91ciB0cmVlLg0KSSdsbCB0YWtlIGEgbG9vayBhbmQgc2VlIGFib3V0IHRoZSBvcmRlciBvZiBw YXRjaGVzLCBhbmQgd2hpY2ggb25lKHMpDQpuZWVkKHMpIHRvIGJlIHNlbnQgYmVmb3JlIHRoaXMg b25lDQoNClRoYW5rcw0KQWxleA0KDQo+IA0KPiBIaSBMYXJzLVBldGVyLA0KPiANCj4gSSBsb3Zl IHlvdXIgcGF0Y2ghIFlldCBzb21ldGhpbmcgdG8gaW1wcm92ZToNCj4gDQo+IFthdXRvIGJ1aWxk IHRlc3QgRVJST1Igb24gbGludXMvbWFzdGVyXQ0KPiBbYWxzbyBidWlsZCB0ZXN0IEVSUk9SIG9u IHY1LjAtcmM0IG5leHQtMjAxOTAyMTVdDQo+IFtpZiB5b3VyIHBhdGNoIGlzIGFwcGxpZWQgdG8g dGhlIHdyb25nIGdpdCB0cmVlLCBwbGVhc2UgZHJvcCB1cyBhIG5vdGUgdG8NCj4gaGVscCBpbXBy b3ZlIHRoZSBzeXN0ZW1dDQo+IA0KPiB1cmw6ICAgIA0KPiBodHRwczovL2dpdGh1Yi5jb20vMGRh eS1jaS9saW51eC9jb21taXRzL0FsZXhhbmRydS1BcmRlbGVhbi9kbWEtYXhpLWRtYWMtU3BsaXQt dG9vLWxhcmdlLXNlZ21lbnRzLzIwMTkwMjE2LTE2MDAwMg0KPiBjb25maWc6IG5kczMyLWFsbHll c2NvbmZpZyAoYXR0YWNoZWQgYXMgLmNvbmZpZykNCj4gY29tcGlsZXI6IG5kczMybGUtbGludXgt Z2NjIChHQ0MpIDYuNC4wDQo+IHJlcHJvZHVjZToNCj4gICAgICAgICB3Z2V0IA0KPiBodHRwczov L3Jhdy5naXRodWJ1c2VyY29udGVudC5jb20vaW50ZWwvbGtwLXRlc3RzL21hc3Rlci9zYmluL21h a2UuY3Jvc3MNCj4gLU8gfi9iaW4vbWFrZS5jcm9zcw0KPiAgICAgICAgIGNobW9kICt4IH4vYmlu L21ha2UuY3Jvc3MNCj4gICAgICAgICAjIHNhdmUgdGhlIGF0dGFjaGVkIC5jb25maWcgdG8gbGlu dXggYnVpbGQgdHJlZQ0KPiAgICAgICAgIEdDQ19WRVJTSU9OPTYuNC4wIG1ha2UuY3Jvc3MgQVJD SD1uZHMzMg0KPiANCj4gQWxsIGVycm9ycyAobmV3IG9uZXMgcHJlZml4ZWQgYnkgPj4pOg0KPiAN Cj4gICAgZHJpdmVycy8vZG1hL2RtYS1heGktZG1hYy5jOiBJbiBmdW5jdGlvbiAnYXhpX2RtYWNf cHJlcF9zbGF2ZV9zZyc6DQo+ID4gPiBkcml2ZXJzLy9kbWEvZG1hLWF4aS1kbWFjLmM6NDQzOjEy OiBlcnJvcjogaW1wbGljaXQgZGVjbGFyYXRpb24gb2YNCj4gPiA+IGZ1bmN0aW9uICdzZ19uZW50 c19mb3JfZG1hJyBbLVdlcnJvcj1pbXBsaWNpdC1mdW5jdGlvbi1kZWNsYXJhdGlvbl0NCj4gDQo+ ICAgICAgbnVtX3NncyA9IHNnX25lbnRzX2Zvcl9kbWEoc2dsLCBzZ19sZW4sIGNoYW4tPm1heF9s ZW5ndGgpOw0KPiAgICAgICAgICAgICAgICBefn5+fn5+fn5+fn5+fn5+DQo+ICAgIGNjMTogc29t ZSB3YXJuaW5ncyBiZWluZyB0cmVhdGVkIGFzIGVycm9ycw0KPiANCj4gdmltICsvc2dfbmVudHNf Zm9yX2RtYSArNDQzIGRyaXZlcnMvL2RtYS9kbWEtYXhpLWRtYWMuYw0KPiANCj4gICAgNDI3DQo+ ICAgIDQyOCAgc3RhdGljIHN0cnVjdCBkbWFfYXN5bmNfdHhfZGVzY3JpcHRvciAqYXhpX2RtYWNf cHJlcF9zbGF2ZV9zZygNCj4gICAgNDI5ICAgICAgICAgIHN0cnVjdCBkbWFfY2hhbiAqYywgc3Ry dWN0IHNjYXR0ZXJsaXN0ICpzZ2wsDQo+ICAgIDQzMCAgICAgICAgICB1bnNpZ25lZCBpbnQgc2df bGVuLCBlbnVtIGRtYV90cmFuc2Zlcl9kaXJlY3Rpb24NCj4gZGlyZWN0aW9uLA0KPiAgICA0MzEg ICAgICAgICAgdW5zaWduZWQgbG9uZyBmbGFncywgdm9pZCAqY29udGV4dCkNCj4gICAgNDMyICB7 DQo+ICAgIDQzMyAgICAgICAgICBzdHJ1Y3QgYXhpX2RtYWNfY2hhbiAqY2hhbiA9IHRvX2F4aV9k bWFjX2NoYW4oYyk7DQo+ICAgIDQzNCAgICAgICAgICBzdHJ1Y3QgYXhpX2RtYWNfZGVzYyAqZGVz YzsNCj4gICAgNDM1ICAgICAgICAgIHN0cnVjdCBheGlfZG1hY19zZyAqZHNnOw0KPiAgICA0MzYg ICAgICAgICAgc3RydWN0IHNjYXR0ZXJsaXN0ICpzZzsNCj4gICAgNDM3ICAgICAgICAgIHVuc2ln bmVkIGludCBudW1fc2dzOw0KPiAgICA0MzggICAgICAgICAgdW5zaWduZWQgaW50IGk7DQo+ICAg IDQzOQ0KPiAgICA0NDAgICAgICAgICAgaWYgKGRpcmVjdGlvbiAhPSBjaGFuLT5kaXJlY3Rpb24p DQo+ICAgIDQ0MSAgICAgICAgICAgICAgICAgIHJldHVybiBOVUxMOw0KPiAgICA0NDINCj4gID4g NDQzICAgICAgICAgIG51bV9zZ3MgPSBzZ19uZW50c19mb3JfZG1hKHNnbCwgc2dfbGVuLCBjaGFu LQ0KPiA+bWF4X2xlbmd0aCk7DQo+ICAgIDQ0NCAgICAgICAgICBkZXNjID0gYXhpX2RtYWNfYWxs b2NfZGVzYyhudW1fc2dzKTsNCj4gICAgNDQ1ICAgICAgICAgIGlmICghZGVzYykNCj4gICAgNDQ2 ICAgICAgICAgICAgICAgICAgcmV0dXJuIE5VTEw7DQo+ICAgIDQ0Nw0KPiAgICA0NDggICAgICAg ICAgZHNnID0gZGVzYy0+c2c7DQo+ICAgIDQ0OQ0KPiAgICA0NTAgICAgICAgICAgZm9yX2VhY2hf c2coc2dsLCBzZywgc2dfbGVuLCBpKSB7DQo+ICAgIDQ1MSAgICAgICAgICAgICAgICAgIGlmICgh YXhpX2RtYWNfY2hlY2tfYWRkcihjaGFuLA0KPiBzZ19kbWFfYWRkcmVzcyhzZykpIHx8DQo+ICAg IDQ1MiAgICAgICAgICAgICAgICAgICAgICAhYXhpX2RtYWNfY2hlY2tfbGVuKGNoYW4sIHNnX2Rt YV9sZW4oc2cpKSkgew0KPiAgICA0NTMgICAgICAgICAgICAgICAgICAgICAgICAgIGtmcmVlKGRl c2MpOw0KPiAgICA0NTQgICAgICAgICAgICAgICAgICAgICAgICAgIHJldHVybiBOVUxMOw0KPiAg ICA0NTUgICAgICAgICAgICAgICAgICB9DQo+ICAgIDQ1Ng0KPiAgICA0NTcgICAgICAgICAgICAg ICAgICBkc2cgPSBheGlfZG1hY19maWxsX2xpbmVhcl9zZyhjaGFuLCBkaXJlY3Rpb24sDQo+IHNn X2RtYV9hZGRyZXNzKHNnKSwgMSwNCj4gICAgNDU4ICAgICAgICAgICAgICAgICAgICAgICAgICBz Z19kbWFfbGVuKHNnKSwgZHNnKTsNCj4gICAgNDU5ICAgICAgICAgIH0NCj4gICAgNDYwDQo+ICAg IDQ2MSAgICAgICAgICBkZXNjLT5jeWNsaWMgPSBmYWxzZTsNCj4gICAgNDYyDQo+ICAgIDQ2MyAg ICAgICAgICByZXR1cm4gdmNoYW5fdHhfcHJlcCgmY2hhbi0+dmNoYW4sICZkZXNjLT52ZGVzYywg ZmxhZ3MpOw0KPiAgICA0NjQgIH0NCj4gICAgNDY1DQo+IA0KPiAtLS0NCj4gMC1EQVkga2VybmVs IHRlc3QgaW5mcmFzdHJ1Y3R1cmUgICAgICAgICAgICAgICAgT3BlbiBTb3VyY2UgVGVjaG5vbG9n eQ0KPiBDZW50ZXINCj4gaHR0cHM6Ly9saXN0cy4wMS5vcmcvcGlwZXJtYWlsL2tidWlsZC1hbGwg ICAgICAgICAgICAgICAgICAgSW50ZWwNCj4gQ29ycG9yYXRpb24K