From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-eopbgr700094.outbound.protection.outlook.com ([40.107.70.94]:25376 "EHLO NAM04-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2387726AbeITI2z (ORCPT ); Thu, 20 Sep 2018 04:28:55 -0400 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Emily Deng , Monk Liu , Alex Deucher , Sasha Levin Subject: [PATCH AUTOSEL 4.18 20/56] amdgpu: fix multi-process hang issue Date: Thu, 20 Sep 2018 02:47:41 +0000 Message-ID: <20180920024716.58490-20-alexander.levin@microsoft.com> References: <20180920024716.58490-1-alexander.levin@microsoft.com> In-Reply-To: <20180920024716.58490-1-alexander.levin@microsoft.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org List-ID: RnJvbTogRW1pbHkgRGVuZyA8RW1pbHkuRGVuZ0BhbWQuY29tPg0KDQpbIFVwc3RyZWFtIGNvbW1p dCAyZjQwYzZlYWM3NGEyYTYwOTIxY2RlYzllOWE4YTU3ZTg4ZTMxNDM0IF0NCg0KU1dERVYtMTQ2 NDk5OiBoYW5nIGR1cmluZyBtdWx0aSB2dWxrYW4gcHJvY2VzcyB0ZXN0aW5nDQoNCmNhdXNlOg0K dGhlIHNlY29uZCBmcmFtZSdzIFBSRUFNQkxFX0lCIGhhdmUgY2xlYXItc3RhdGUNCmFuZCBMT0FE IGFjdGlvbnMsIHRob3NlIGFjdGlvbnMgcnVpbiB0aGUgcGlwZWxpbmUNCnRoYXQgaXMgc3RpbGwg ZG9pbmcgcHJvY2VzcyBpbiB0aGUgcHJldmlvdXMgZnJhbWUncw0Kd29yay1sb2FkIElCLg0KDQpm aXg6DQpuZWVkIGluc2VydCBwaXBlbGluZSBzeW5jIGlmIGhhdmUgY29udGV4dCBzd2l0Y2ggZm9y DQpTUklPViAoYmVjYXVzZSBvbmx5IFNSSU9WIHdpbGwgcmVwb3J0IFBSRUVNUFRJT04gZmxhZw0K dG8gVU1EKQ0KDQpTaWduZWQtb2ZmLWJ5OiBNb25rIExpdSA8TW9uay5MaXVAYW1kLmNvbT4NClNp Z25lZC1vZmYtYnk6IEVtaWx5IERlbmcgPEVtaWx5LkRlbmdAYW1kLmNvbT4NClJldmlld2VkLWJ5 OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+DQpTaWduZWQtb2Zm LWJ5OiBBbGV4IERldWNoZXIgPGFsZXhhbmRlci5kZXVjaGVyQGFtZC5jb20+DQpTaWduZWQtb2Zm LWJ5OiBTYXNoYSBMZXZpbiA8YWxleGFuZGVyLmxldmluQG1pY3Jvc29mdC5jb20+DQotLS0NCiBk cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfaWIuYyB8IDMgKystDQogMSBmaWxlIGNo YW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQ0KDQpkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2liLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1k L2FtZGdwdS9hbWRncHVfaWIuYw0KaW5kZXggN2FhYTI2M2FkOGM3Li42YjVkNGEyMDg2MGQgMTAw NjQ0DQotLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfaWIuYw0KKysrIGIv ZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2liLmMNCkBAIC0xNjQsOCArMTY0LDEw IEBAIGludCBhbWRncHVfaWJfc2NoZWR1bGUoc3RydWN0IGFtZGdwdV9yaW5nICpyaW5nLCB1bnNp Z25lZCBudW1faWJzLA0KIAkJcmV0dXJuIHI7DQogCX0NCiANCisJbmVlZF9jdHhfc3dpdGNoID0g cmluZy0+Y3VycmVudF9jdHggIT0gZmVuY2VfY3R4Ow0KIAlpZiAocmluZy0+ZnVuY3MtPmVtaXRf cGlwZWxpbmVfc3luYyAmJiBqb2IgJiYNCiAJICAgICgodG1wID0gYW1kZ3B1X3N5bmNfZ2V0X2Zl bmNlKCZqb2ItPnNjaGVkX3N5bmMsIE5VTEwpKSB8fA0KKwkgICAgIChhbWRncHVfc3Jpb3ZfdmYo YWRldikgJiYgbmVlZF9jdHhfc3dpdGNoKSB8fA0KIAkgICAgIGFtZGdwdV92bV9uZWVkX3BpcGVs aW5lX3N5bmMocmluZywgam9iKSkpIHsNCiAJCW5lZWRfcGlwZV9zeW5jID0gdHJ1ZTsNCiAJCWRt YV9mZW5jZV9wdXQodG1wKTsNCkBAIC0xOTYsNyArMTk4LDYgQEAgaW50IGFtZGdwdV9pYl9zY2hl ZHVsZShzdHJ1Y3QgYW1kZ3B1X3JpbmcgKnJpbmcsIHVuc2lnbmVkIG51bV9pYnMsDQogCX0NCiAN CiAJc2tpcF9wcmVhbWJsZSA9IHJpbmctPmN1cnJlbnRfY3R4ID09IGZlbmNlX2N0eDsNCi0JbmVl ZF9jdHhfc3dpdGNoID0gcmluZy0+Y3VycmVudF9jdHggIT0gZmVuY2VfY3R4Ow0KIAlpZiAoam9i ICYmIHJpbmctPmZ1bmNzLT5lbWl0X2NudHhjbnRsKSB7DQogCQlpZiAobmVlZF9jdHhfc3dpdGNo KQ0KIAkJCXN0YXR1cyB8PSBBTURHUFVfSEFWRV9DVFhfU1dJVENIOw0KLS0gDQoyLjE3LjENCg==