From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Yang, Philip" Subject: [PATCH 1/3] drm/amdkfd: support concurrent userptr update for HMM Date: Tue, 5 Mar 2019 18:09:35 +0000 Message-ID: <20190305180915.15216-2-Philip.Yang@amd.com> References: <20190305180915.15216-1-Philip.Yang@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190305180915.15216-1-Philip.Yang-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" Cc: "Yang, Philip" VXNlcnB0ciByZXN0b3JlIG1heSBoYXZlIGNvbmN1cnJlbnQgdXNlcnB0ciBpbnZhbGlkYXRpb24g YWZ0ZXIKaG1tX3ZtYV9mYXVsdCBhZGRzIHRoZSByYW5nZSB0byB0aGUgaG1tLT5yYW5nZXMgbGlz dCwgbmVlZHMgY2FsbApobW1fdm1hX3JhbmdlX2RvbmUgdG8gcmVtb3ZlIHRoZSByYW5nZSBmcm9t IGhtbS0+cmFuZ2VzIGxpc3QgZmlyc3QsCnRoZW4gcmVzY2hlZHVsZSB0aGUgcmVzdG9yZSB3b3Jr ZXIuIE90aGVyd2lzZSBobW1fdm1hX2ZhdWx0IHdpbGwgYWRkCnNhbWUgcmFuZ2UgdG8gdGhlIGxp c3QsIHRoaXMgd2lsbCBjYXVzZSBsb29wIGluIHRoZSBsaXN0IGJlY2F1c2UKcmFuZ2UtPm5leHQg cG9pbnQgdG8gcmFuZ2UgaXRzZWxmLgoKQWRkIGZ1bmN0aW9uIHVudHJhY2tfaW52YWxpZF91c2Vy X3BhZ2VzIHRvIHJlZHVjZSBjb2RlIGR1cGxpY2F0aW9uLgoKQ2hhbmdlLUlkOiBJMzE0MDc3Mzlk YzEwNTU0ZjhlNDE4YzdhMGUwNDE1ZDNkOTU1NTJmMQpTaWduZWQtb2ZmLWJ5OiBQaGlsaXAgWWFu ZyA8UGhpbGlwLllhbmdAYW1kLmNvbT4KLS0tCiAuLi4vZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdw dV9hbWRrZmRfZ3B1dm0uYyAgfCAyOCArKysrKysrKysrKysrKy0tLS0tCiAxIGZpbGUgY2hhbmdl ZCwgMjEgaW5zZXJ0aW9ucygrKSwgNyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfYW1ka2ZkX2dwdXZtLmMgYi9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9hbWRncHVfYW1ka2ZkX2dwdXZtLmMKaW5kZXggMzE0YzA0OGZjYWM2Li43 ODNkNzYwY2NmZTMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdw dV9hbWRrZmRfZ3B1dm0uYworKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVf YW1ka2ZkX2dwdXZtLmMKQEAgLTE3MzEsNiArMTczMSwyMyBAQCBzdGF0aWMgaW50IHVwZGF0ZV9p bnZhbGlkX3VzZXJfcGFnZXMoc3RydWN0IGFtZGtmZF9wcm9jZXNzX2luZm8gKnByb2Nlc3NfaW5m bywKIAlyZXR1cm4gMDsKIH0KIAorLyogUmVtb3ZlIGludmFsaWQgdXNlcnB0ciBCT3MgZnJvbSBo bW0gdHJhY2sgbGlzdAorICoKKyAqIFN0b3AgSE1NIHRyYWNrIHRoZSB1c2VycHRyIHVwZGF0ZQor ICovCitzdGF0aWMgdm9pZCB1bnRyYWNrX2ludmFsaWRfdXNlcl9wYWdlcyhzdHJ1Y3QgYW1ka2Zk X3Byb2Nlc3NfaW5mbyAqcHJvY2Vzc19pbmZvKQoreworCXN0cnVjdCBrZ2RfbWVtICptZW0sICp0 bXBfbWVtOworCXN0cnVjdCBhbWRncHVfYm8gKmJvOworCisJbGlzdF9mb3JfZWFjaF9lbnRyeV9z YWZlKG1lbSwgdG1wX21lbSwKKwkJCQkgJnByb2Nlc3NfaW5mby0+dXNlcnB0cl9pbnZhbF9saXN0 LAorCQkJCSB2YWxpZGF0ZV9saXN0LmhlYWQpIHsKKwkJYm8gPSBtZW0tPmJvOworCQlhbWRncHVf dHRtX3R0X2dldF91c2VyX3BhZ2VzX2RvbmUoYm8tPnRiby50dG0pOworCX0KK30KKwogLyogVmFs aWRhdGUgaW52YWxpZCB1c2VycHRyIEJPcwogICoKICAqIFZhbGlkYXRlcyBCT3Mgb24gdGhlIHVz ZXJwdHJfaW52YWxfbGlzdCwgYW5kIG1vdmVzIHRoZW0gYmFjayB0byB0aGUKQEAgLTE4NDgsMTIg KzE4NjUsNyBAQCBzdGF0aWMgaW50IHZhbGlkYXRlX2ludmFsaWRfdXNlcl9wYWdlcyhzdHJ1Y3Qg YW1ka2ZkX3Byb2Nlc3NfaW5mbyAqcHJvY2Vzc19pbmZvKQogb3V0X2ZyZWU6CiAJa2ZyZWUocGRf Ym9fbGlzdF9lbnRyaWVzKTsKIG91dF9ub19tZW06Ci0JbGlzdF9mb3JfZWFjaF9lbnRyeV9zYWZl KG1lbSwgdG1wX21lbSwKLQkJCQkgJnByb2Nlc3NfaW5mby0+dXNlcnB0cl9pbnZhbF9saXN0LAot CQkJCSB2YWxpZGF0ZV9saXN0LmhlYWQpIHsKLQkJYm8gPSBtZW0tPmJvOwotCQlhbWRncHVfdHRt X3R0X2dldF91c2VyX3BhZ2VzX2RvbmUoYm8tPnRiby50dG0pOwotCX0KKwl1bnRyYWNrX2ludmFs aWRfdXNlcl9wYWdlcyhwcm9jZXNzX2luZm8pOwogCiAJcmV0dXJuIHJldDsKIH0KQEAgLTE4OTcs OCArMTkwOSwxMCBAQCBzdGF0aWMgdm9pZCBhbWRncHVfYW1ka2ZkX3Jlc3RvcmVfdXNlcnB0cl93 b3JrZXIoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQogCSAqIGFuZCB3ZSBjYW4ganVzdCByZXN0 YXJ0IHRoZSBxdWV1ZXMuCiAJICovCiAJaWYgKCFsaXN0X2VtcHR5KCZwcm9jZXNzX2luZm8tPnVz ZXJwdHJfaW52YWxfbGlzdCkpIHsKLQkJaWYgKGF0b21pY19yZWFkKCZwcm9jZXNzX2luZm8tPmV2 aWN0ZWRfYm9zKSAhPSBldmljdGVkX2JvcykKKwkJaWYgKGF0b21pY19yZWFkKCZwcm9jZXNzX2lu Zm8tPmV2aWN0ZWRfYm9zKSAhPSBldmljdGVkX2JvcykgeworCQkJdW50cmFja19pbnZhbGlkX3Vz ZXJfcGFnZXMocHJvY2Vzc19pbmZvKTsKIAkJCWdvdG8gdW5sb2NrX291dDsgLyogQ29uY3VycmVu dCBldmljdGlvbiwgdHJ5IGFnYWluICovCisJCX0KIAogCQlpZiAodmFsaWRhdGVfaW52YWxpZF91 c2VyX3BhZ2VzKHByb2Nlc3NfaW5mbykpCiAJCQlnb3RvIHVubG9ja19vdXQ7Ci0tIAoyLjE3LjEK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZngg bWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMu ZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeA==