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: kbuild test robot Message-Id: <201902161857.wzm7oF5T%fengguang.wu@intel.com> Date: Sat, 16 Feb 2019 18:08:49 +0800 To: Alexandru Ardelean Cc: kbuild-all@01.org, dmaengine@vger.kernel.org, vkoul@kernel.org, Lars-Peter Clausen List-ID: SGkgTGFycy1QZXRlciwKCkkgbG92ZSB5b3VyIHBhdGNoISBZZXQgc29tZXRoaW5nIHRvIGltcHJv dmU6CgpbYXV0byBidWlsZCB0ZXN0IEVSUk9SIG9uIGxpbnVzL21hc3Rlcl0KW2Fsc28gYnVpbGQg dGVzdCBFUlJPUiBvbiB2NS4wLXJjNCBuZXh0LTIwMTkwMjE1XQpbaWYgeW91ciBwYXRjaCBpcyBh cHBsaWVkIHRvIHRoZSB3cm9uZyBnaXQgdHJlZSwgcGxlYXNlIGRyb3AgdXMgYSBub3RlIHRvIGhl bHAgaW1wcm92ZSB0aGUgc3lzdGVtXQoKdXJsOiAgICBodHRwczovL2dpdGh1Yi5jb20vMGRheS1j aS9saW51eC9jb21taXRzL0FsZXhhbmRydS1BcmRlbGVhbi9kbWEtYXhpLWRtYWMtU3BsaXQtdG9v LWxhcmdlLXNlZ21lbnRzLzIwMTkwMjE2LTE2MDAwMgpjb25maWc6IHh0ZW5zYS1hbGx5ZXNjb25m aWcgKGF0dGFjaGVkIGFzIC5jb25maWcpCmNvbXBpbGVyOiB4dGVuc2EtbGludXgtZ2NjIChHQ0Mp IDguMi4wCnJlcHJvZHVjZToKICAgICAgICB3Z2V0IGh0dHBzOi8vcmF3LmdpdGh1YnVzZXJjb250 ZW50LmNvbS9pbnRlbC9sa3AtdGVzdHMvbWFzdGVyL3NiaW4vbWFrZS5jcm9zcyAtTyB+L2Jpbi9t YWtlLmNyb3NzCiAgICAgICAgY2htb2QgK3ggfi9iaW4vbWFrZS5jcm9zcwogICAgICAgICMgc2F2 ZSB0aGUgYXR0YWNoZWQgLmNvbmZpZyB0byBsaW51eCBidWlsZCB0cmVlCiAgICAgICAgR0NDX1ZF UlNJT049OC4yLjAgbWFrZS5jcm9zcyBBUkNIPXh0ZW5zYSAKCkFsbCBlcnJvcnMgKG5ldyBvbmVz IHByZWZpeGVkIGJ5ID4+KToKCiAgIGRyaXZlcnMvZG1hL2RtYS1heGktZG1hYy5jOiBJbiBmdW5j dGlvbiAnYXhpX2RtYWNfcHJlcF9zbGF2ZV9zZyc6Cj4+IGRyaXZlcnMvZG1hL2RtYS1heGktZG1h Yy5jOjQ0MzoxMjogZXJyb3I6IGltcGxpY2l0IGRlY2xhcmF0aW9uIG9mIGZ1bmN0aW9uICdzZ19u ZW50c19mb3JfZG1hJzsgZGlkIHlvdSBtZWFuICdzZ19uZW50c19mb3JfbGVuJz8gWy1XZXJyb3I9 aW1wbGljaXQtZnVuY3Rpb24tZGVjbGFyYXRpb25dCiAgICAgbnVtX3NncyA9IHNnX25lbnRzX2Zv cl9kbWEoc2dsLCBzZ19sZW4sIGNoYW4tPm1heF9sZW5ndGgpOwogICAgICAgICAgICAgICBefn5+ fn5+fn5+fn5+fn5+CiAgICAgICAgICAgICAgIHNnX25lbnRzX2Zvcl9sZW4KICAgY2MxOiBzb21l IHdhcm5pbmdzIGJlaW5nIHRyZWF0ZWQgYXMgZXJyb3JzCgp2aW0gKzQ0MyBkcml2ZXJzL2RtYS9k bWEtYXhpLWRtYWMuYwoKICAgNDI3CQogICA0MjgJc3RhdGljIHN0cnVjdCBkbWFfYXN5bmNfdHhf ZGVzY3JpcHRvciAqYXhpX2RtYWNfcHJlcF9zbGF2ZV9zZygKICAgNDI5CQlzdHJ1Y3QgZG1hX2No YW4gKmMsIHN0cnVjdCBzY2F0dGVybGlzdCAqc2dsLAogICA0MzAJCXVuc2lnbmVkIGludCBzZ19s ZW4sIGVudW0gZG1hX3RyYW5zZmVyX2RpcmVjdGlvbiBkaXJlY3Rpb24sCiAgIDQzMQkJdW5zaWdu ZWQgbG9uZyBmbGFncywgdm9pZCAqY29udGV4dCkKICAgNDMyCXsKICAgNDMzCQlzdHJ1Y3QgYXhp X2RtYWNfY2hhbiAqY2hhbiA9IHRvX2F4aV9kbWFjX2NoYW4oYyk7CiAgIDQzNAkJc3RydWN0IGF4 aV9kbWFjX2Rlc2MgKmRlc2M7CiAgIDQzNQkJc3RydWN0IGF4aV9kbWFjX3NnICpkc2c7CiAgIDQz NgkJc3RydWN0IHNjYXR0ZXJsaXN0ICpzZzsKICAgNDM3CQl1bnNpZ25lZCBpbnQgbnVtX3NnczsK ICAgNDM4CQl1bnNpZ25lZCBpbnQgaTsKICAgNDM5CQogICA0NDAJCWlmIChkaXJlY3Rpb24gIT0g Y2hhbi0+ZGlyZWN0aW9uKQogICA0NDEJCQlyZXR1cm4gTlVMTDsKICAgNDQyCQogPiA0NDMJCW51 bV9zZ3MgPSBzZ19uZW50c19mb3JfZG1hKHNnbCwgc2dfbGVuLCBjaGFuLT5tYXhfbGVuZ3RoKTsK ICAgNDQ0CQlkZXNjID0gYXhpX2RtYWNfYWxsb2NfZGVzYyhudW1fc2dzKTsKICAgNDQ1CQlpZiAo IWRlc2MpCiAgIDQ0NgkJCXJldHVybiBOVUxMOwogICA0NDcJCiAgIDQ0OAkJZHNnID0gZGVzYy0+ c2c7CiAgIDQ0OQkKICAgNDUwCQlmb3JfZWFjaF9zZyhzZ2wsIHNnLCBzZ19sZW4sIGkpIHsKICAg NDUxCQkJaWYgKCFheGlfZG1hY19jaGVja19hZGRyKGNoYW4sIHNnX2RtYV9hZGRyZXNzKHNnKSkg fHwKICAgNDUyCQkJICAgICFheGlfZG1hY19jaGVja19sZW4oY2hhbiwgc2dfZG1hX2xlbihzZykp KSB7CiAgIDQ1MwkJCQlrZnJlZShkZXNjKTsKICAgNDU0CQkJCXJldHVybiBOVUxMOwogICA0NTUJ CQl9CiAgIDQ1NgkKICAgNDU3CQkJZHNnID0gYXhpX2RtYWNfZmlsbF9saW5lYXJfc2coY2hhbiwg ZGlyZWN0aW9uLCBzZ19kbWFfYWRkcmVzcyhzZyksIDEsCiAgIDQ1OAkJCQlzZ19kbWFfbGVuKHNn KSwgZHNnKTsKICAgNDU5CQl9CiAgIDQ2MAkKICAgNDYxCQlkZXNjLT5jeWNsaWMgPSBmYWxzZTsK ICAgNDYyCQogICA0NjMJCXJldHVybiB2Y2hhbl90eF9wcmVwKCZjaGFuLT52Y2hhbiwgJmRlc2Mt PnZkZXNjLCBmbGFncyk7CiAgIDQ2NAl9CiAgIDQ2NQotLS0KMC1EQVkga2VybmVsIHRlc3QgaW5m cmFzdHJ1Y3R1cmUgICAgICAgICAgICAgICAgT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIK aHR0cHM6Ly9saXN0cy4wMS5vcmcvcGlwZXJtYWlsL2tidWlsZC1hbGwgICAgICAgICAgICAgICAg ICAgSW50ZWwgQ29ycG9yYXRpb24K