Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp1317428ybv; Sun, 23 Feb 2020 04:01:23 -0800 (PST) X-Google-Smtp-Source: APXvYqwzwtKr+6FE0+fm3LCvk/HFbyE7NhIPwzDiCdQGmKGHX+Yz6QgGufefrckRZFFna4X5TQjm X-Received: by 2002:aca:dd05:: with SMTP id u5mr9083496oig.91.1582459283650; Sun, 23 Feb 2020 04:01:23 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1582459283; cv=pass; d=google.com; s=arc-20160816; b=PWyUS35SEt7XyfM4Qe3akZlWGWowpbeElaJ60vXXcmrNr0VVkouRlTiabDoUFS4R8D JjJJjt9W0PBEPmSGcvjdw66V7lEWhxiFAA9efJBjDcb1bNNPlG2Jl+HjLlblIIJUcytg hrlPKivhXZF6I4XOSyNdBWWRSoxcHldockV6xb4WLSueFf03hACs4nIQMPNJF7hSBzdS uHfWA9509sP7AuwUGiiiqccUhQrXmYguftdAo7zKg3RLIyZYenEJnidV4OH3toE9SNVq ibE3YttIpv5Wh3BYyEsWOP02kisFCtfBXmaBVI++Gcsu+5w3M1SYHHoWF8HmeRTD0gNO 0c5A== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-id:content-language:accept-language:in-reply-to:references :message-id:date:thread-index:thread-topic:subject:cc:to:from :dkim-signature; bh=5e2SFZ8yfksAQ/03LJl04mPIkyiH4rbpNuYmCTjUhyI=; b=vqFQydBrMoIdhT9YeLAp8Ym9d8zfxsGPBg9ho1I4qTM+dbkPjqx4xcJM7NSpOt/RjU IHxwBZmWMJ2SKsCj5meNFpbbb45kqR0vzPp7Cp0s2t3yTeJnlb2wyCk0dc/fyksir7CU 2/zW1vZkDxWEIcUJkEbjc+8AG2YyTlxxmY/hdFCKqjVwtdeeUXDme3FUpuDvzp2FKfVP yAbgeOBG23JNoXdepW/nEMx6Dw7vJQbcViT3uPrEj5ZeOMWgdpNSvk5SYxdWzQMSPoBl KY/qGAkmdC8oSOTQuziiFL5AhPeJs6z1wC0nTL4nwLQrI+wLV1GNj6rE5qRaGpXTPWTa MDuQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amdcloud.onmicrosoft.com header.s=selector2-amdcloud-onmicrosoft-com header.b="37P+ckU/"; arc=pass (i=1 spf=pass spfdomain=amd.com dkim=pass dkdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id 8si3996721ota.266.2020.02.23.04.01.11; Sun, 23 Feb 2020 04:01:23 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@amdcloud.onmicrosoft.com header.s=selector2-amdcloud-onmicrosoft-com header.b="37P+ckU/"; arc=pass (i=1 spf=pass spfdomain=amd.com dkim=pass dkdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726953AbgBWMBD (ORCPT + 99 others); Sun, 23 Feb 2020 07:01:03 -0500 Received: from mail-bn8nam11on2050.outbound.protection.outlook.com ([40.107.236.50]:6056 "EHLO NAM11-BN8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725980AbgBWMBC (ORCPT ); Sun, 23 Feb 2020 07:01:02 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YiN1iwo165IQuZ3TnKbPfCe3zl6BVhMPq+4s79BFLkhtTaxoU/ROYmrB+CRk5NObpSTP84PVJN7fi0wCQ5WFu2KV0PJt2CUVcUXUq+GucLA3MN+fwZxahyG+zbgxuiRTiQWBxXLN077ym+dER/U/iAxMegVMNeE4fhEXPJ+PX7jNKiwJa/cpVsalt4UC7OS2J/aTnO6DbS0V0QTn3zaN1Lmcag7JEoDiGMhipiZ7nqefeYyA/E2RHNL742gw70v0BpgQcq3B3/Q9Pq4aCsEhxQYzQ6jA+TnW/xOf7csM1H0JPHntpZwYS/+ZkfoeURCUPDhPeqoAwFXHdOp9+F0EtA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5e2SFZ8yfksAQ/03LJl04mPIkyiH4rbpNuYmCTjUhyI=; b=DZ/tiSitkmXFeDIvAyJe+Jyj+Nz8eCF9SNNW9aNdUI8ZhXq4iskqlAgfB3gzPY0LAxOb4aoyZeCLRob1ErS+kM02GJ+zfgygxkGeONhPkrCkJA9OMdkqLbAevvYf2wvJ+YBAlbugwMN/n8/T2WbCAAe4nJ+nB6DzajChKxe8fVt3WfST/ZOOT2U/sJfazWRk2KYIa7Gz9Z1W+/vzNM+Zt7LwET8INWs5hELamyJcx9AeWnDdtiolp2fn1YMAOzexZsC27l6s3+7dLF2fMOhVNBe8XTDw8ytYF1PZkFRQdx+wv21T5Z6xaLQAPgCQQr1U+HHvkUVCvBXKCy7MNVZpnw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector2-amdcloud-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=5e2SFZ8yfksAQ/03LJl04mPIkyiH4rbpNuYmCTjUhyI=; b=37P+ckU/pGz+MrueUoIU9Um4f4RFHv1W8oom15shT3m3h/lDW9nIbvrCm3bjPnx4sWmT5I2g/QIMZIf9p26C4/heqw+PuyNENpp29FfG30PWUI1nCH4+r8yDSg/rpNFtOtb1VFneZ9+82qCcpsPL+y4vPnWSKV3a2maNWkaqT9I= Received: from SN6PR12MB2800.namprd12.prod.outlook.com (2603:10b6:805:6c::10) by SN6PR12MB2701.namprd12.prod.outlook.com (2603:10b6:805:6f::30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2729.24; Sun, 23 Feb 2020 12:00:59 +0000 Received: from SN6PR12MB2800.namprd12.prod.outlook.com ([fe80::b99c:18c0:8685:1c10]) by SN6PR12MB2800.namprd12.prod.outlook.com ([fe80::b99c:18c0:8685:1c10%5]) with mapi id 15.20.2729.033; Sun, 23 Feb 2020 12:00:59 +0000 From: "Pan, Xinhui" To: "Pan, Xinhui" CC: "Pan, Xinhui" , "linux-kernel@vger.kernel.org" , "linaro-mm-sig@lists.linaro.org" , "dri-devel@lists.freedesktop.org" , "linux-media@vger.kernel.org" , "sumit.semwal@linaro.org" , "daniel.vetter@ffwll.ch" , "Koenig, Christian" Subject: Re: [PATCH] dma-buf: Fix missing excl fence waiting Thread-Topic: [PATCH] dma-buf: Fix missing excl fence waiting Thread-Index: AQHV6kBAT438z6UDCka2fB4S+SGlWagorVAA Date: Sun, 23 Feb 2020 12:00:59 +0000 Message-ID: <8DCC701F-62EE-4BAB-A986-C85D64C693F0@amd.com> References: In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=Xinhui.Pan@amd.com; x-originating-ip: [101.88.215.164] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: aa160587-e381-44c7-4363-08d7b8580bec x-ms-traffictypediagnostic: SN6PR12MB2701:|SN6PR12MB2701: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2958; x-forefront-prvs: 0322B4EDE1 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(366004)(396003)(136003)(346002)(376002)(39850400004)(189003)(199004)(2906002)(4326008)(6512007)(81166006)(54906003)(86362001)(26005)(6506007)(6486002)(91956017)(71200400001)(66946007)(316002)(76116006)(8936002)(33656002)(186003)(6862004)(37006003)(5660300002)(66476007)(81156014)(66556008)(8676002)(2616005)(66446008)(478600001)(36756003)(6200100001)(64756008);DIR:OUT;SFP:1101;SCL:1;SRVR:SN6PR12MB2701;H:SN6PR12MB2800.namprd12.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: amd.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: RzjPwiEUDBEX9wooK7Dd8oYMXGaZ6wfqAQsVZfzMHITyBOjLBXrHqc20ZkK2oReQja8Yvjz4/pz/p4VgrNdr8GBU74hGcM7d1PVF/ZOUiZKtyGiAJcZf5CHUCAC/GjJ8acXOpVpEtVDNJvICb7ir3otjd+kNMsR4JqXI20fduw1J+FYh6P30r8FYfDS9F6AcAHn3SXu3V9Kx95NuJCRvsDaXBd5FEOJS7fTwd+mC0t3uxf/Bm/8BLVNSb5GgtGtuDrecD0GgFU6VSSdiZM8PiHJ+0peRSeDSg/ZEIIZYX0oMUwUCzwYBba6VNvYyHmVgBYQAs5TNUQu/U0JG4YcobmhNFjnZmohTno+rmgnSDnmnHodizimiQtLM9E9nkWqy/Sxw3XRkhuCYMAs32Pt+q53Z/ERvQjpCXa6DX4YZCETpFrI/53oEVeRYvNA2NJJ8 x-ms-exchange-antispam-messagedata: 1Rc54xbtlRhiQfeC3aivodNYD7FmYmBUyYugcpwUo3xhXxiLEao+qCzf8PDl+wAvLh08rSNssk7sUpIPradCrQH2n9jVb3y9GuTr5ky9sJvT2dsePiBpf4rI1r+e/4E5VecHbztU2JvD6nNAWS5Mwg== Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: aa160587-e381-44c7-4363-08d7b8580bec X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Feb 2020 12:00:59.0911 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: RiTkeTsWc7GILbzpgsZ/Rigg//YFaOUEmm2VbSdoSJad28J1B/pvTHywUjLXbbM1 X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR12MB2701 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org c29ycnksIHBhc3RlIGEgd3JvbmcgcGF0Y2guIHdpbGwgc2VuZCBvdXQgdjIuDQoNCg0KPiAyMDIw 5bm0MuaciDIz5pelIDE5OjU277yMUGFuLCBYaW5odWkgPFhpbmh1aS5QYW5AYW1kLmNvbT4g5YaZ 6YGT77yaDQo+IA0KPiBJZiBzaGFyZWQgZmVuY2UgbGlzdCBpcyBub3QgZW1wdHksIGV2ZW4gd2Ug d2FudCB0byB0ZXN0IGFsbCBmZW5jZXMsIGV4Y2wgZmVuY2UgaXMgaWdub3JlZC4NCj4gVGhhdCBp cyBhYnZpb3VzbHkgd3JvbmcsIHNvIGZpeCBpdC4NCj4gDQo+IFNpZ25lZC1vZmYtYnk6IHhpbmh1 aSBwYW4gPHhpbmh1aS5wYW5AYW1kLmNvbT4NCj4gLS0tDQo+IGRyaXZlcnMvZG1hLWJ1Zi9kbWEt cmVzdi5jIHwgOSArKysrKy0tLS0NCj4gMSBmaWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwg NCBkZWxldGlvbnMoLSkNCj4gDQo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS1idWYvZG1hLXJl c3YuYyBiL2RyaXZlcnMvZG1hLWJ1Zi9kbWEtcmVzdi5jDQo+IGluZGV4IDQyNjRlNjQ3ODhjNC4u NDRkYzY0YzU0N2M2IDEwMDY0NA0KPiAtLS0gYS9kcml2ZXJzL2RtYS1idWYvZG1hLXJlc3YuYw0K PiArKysgYi9kcml2ZXJzL2RtYS1idWYvZG1hLXJlc3YuYw0KPiBAQCAtNjMyLDE0ICs2MzIsMTQg QEAgc3RhdGljIGlubGluZSBpbnQgZG1hX3Jlc3ZfdGVzdF9zaWduYWxlZF9zaW5nbGUoc3RydWN0 IGRtYV9mZW5jZSAqcGFzc2VkX2ZlbmNlKQ0KPiAgKi8NCj4gYm9vbCBkbWFfcmVzdl90ZXN0X3Np Z25hbGVkX3JjdShzdHJ1Y3QgZG1hX3Jlc3YgKm9iaiwgYm9vbCB0ZXN0X2FsbCkNCj4gew0KPiAt CXVuc2lnbmVkIHNlcSwgc2hhcmVkX2NvdW50Ow0KPiArCXVuc2lnbmVkIGludCBzZXEsIHNoYXJl ZF9jb3VudCwgbGVmdDsNCj4gCWludCByZXQ7DQo+IA0KPiAJcmN1X3JlYWRfbG9jaygpOw0KPiBy ZXRyeToNCj4gCXJldCA9IHRydWU7DQo+IAlzaGFyZWRfY291bnQgPSAwOw0KPiAtCXNlcSA9IHJl YWRfc2VxY291bnRfYmVnaW4oJm9iai0+c2VxKTsNCj4gKwlsZWZ0ID0gc2VxID0gcmVhZF9zZXFj b3VudF9iZWdpbigmb2JqLT5zZXEpOw0KPiANCj4gCWlmICh0ZXN0X2FsbCkgew0KPiAJCXVuc2ln bmVkIGk7DQo+IEBAIC02NDcsNyArNjQ3LDcgQEAgYm9vbCBkbWFfcmVzdl90ZXN0X3NpZ25hbGVk X3JjdShzdHJ1Y3QgZG1hX3Jlc3YgKm9iaiwgYm9vbCB0ZXN0X2FsbCkNCj4gCQlzdHJ1Y3QgZG1h X3Jlc3ZfbGlzdCAqZm9iaiA9IHJjdV9kZXJlZmVyZW5jZShvYmotPmZlbmNlKTsNCj4gDQo+IAkJ aWYgKGZvYmopDQo+IC0JCQlzaGFyZWRfY291bnQgPSBmb2JqLT5zaGFyZWRfY291bnQ7DQo+ICsJ CQlsZWZ0ID0gc2hhcmVkX2NvdW50ID0gZm9iai0+c2hhcmVkX2NvdW50Ow0KPiANCj4gCQlmb3Ig KGkgPSAwOyBpIDwgc2hhcmVkX2NvdW50OyArK2kpIHsNCj4gCQkJc3RydWN0IGRtYV9mZW5jZSAq ZmVuY2UgPSByY3VfZGVyZWZlcmVuY2UoZm9iai0+c2hhcmVkW2ldKTsNCj4gQEAgLTY1NywxMyAr NjU3LDE0IEBAIGJvb2wgZG1hX3Jlc3ZfdGVzdF9zaWduYWxlZF9yY3Uoc3RydWN0IGRtYV9yZXN2 ICpvYmosIGJvb2wgdGVzdF9hbGwpDQo+IAkJCQlnb3RvIHJldHJ5Ow0KPiAJCQllbHNlIGlmICgh cmV0KQ0KPiAJCQkJYnJlYWs7DQo+ICsJCQlsZWZ0LS07DQo+IAkJfQ0KPiANCj4gCQlpZiAocmVh ZF9zZXFjb3VudF9yZXRyeSgmb2JqLT5zZXEsIHNlcSkpDQo+IAkJCWdvdG8gcmV0cnk7DQo+IAl9 DQo+IA0KPiAtCWlmICghc2hhcmVkX2NvdW50KSB7DQo+ICsJaWYgKCFsZWZ0KSB7DQo+IAkJc3Ry dWN0IGRtYV9mZW5jZSAqZmVuY2VfZXhjbCA9IHJjdV9kZXJlZmVyZW5jZShvYmotPmZlbmNlX2V4 Y2wpOw0KPiANCj4gCQlpZiAoZmVuY2VfZXhjbCkgew0KPiAtLSANCj4gMi4yMS4wIChBcHBsZSBH aXQtMTIyKQ0KPiANCj4gDQoNCg==