From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A1ECC54E8B for ; Tue, 12 May 2020 09:08:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5013A20575 for ; Tue, 12 May 2020 09:08:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=amdcloud.onmicrosoft.com header.i=@amdcloud.onmicrosoft.com header.b="Rpfj5jY2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5013A20575 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amd.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1E4BF6E04B; Tue, 12 May 2020 09:08:32 +0000 (UTC) Received: from NAM04-CO1-obe.outbound.protection.outlook.com (mail-eopbgr690059.outbound.protection.outlook.com [40.107.69.59]) by gabe.freedesktop.org (Postfix) with ESMTPS id EFB356E04B; Tue, 12 May 2020 09:08:30 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=UYCRdzFVRtopzBVZVZqUjbsclpe/LSbOHopm4OS9gLz2YxdpSQsz57I69Rce1m/lRIsxH3I9dnKz55vpsYSI0FkZq+KKRHOPP7tgyBo8rIvJKv8Ry2HFbrfhsgsePAZrMDXwgdDTsJUpCV6Oq4IJ4ztnpvx4Vo30+d8UeVN9yoT+BvCRproI+xlv7s24mN5uhunDGuJUn9j2WrPLQn60IUbv7tcgsSa6rhwAGQnVLdQGyVWYfn/921gMBn1lZklUm5gFWVQ6YtybnhjM7fo+aHGPQdA7Q51/sGdSaJswgweeYfMgjnQGkCCNE98Ax4l1eJx7PMfqhqp1XwhVhMYk+A== 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=vRJzBspbsqWqd8tmxDuoxdpfF3o2o2eW7g/oHWMwmB0=; b=YV/eJVcY+Y8udUJsATIi0oLC+uW9C1DK8eVX8sTjW3E6KZ5ITw0wQilbXIXKOfWIZRMg6A1+uCpzcaGf6u6e1RfTid6cKyfumXUQxATp/1eAQWAmfivqb6BVUOR5I+Qrzq4bDJLk326ojH30B6fZBCy/Gz4sn51/zWdnDdjNvnZuHVL3/T3MhWZW382NTWoODkazPT99z6AnAEFrnJ5KAiUrpsR2EKqmZeUg/WOkFsoNgYfj6p/jd6mEXEZksSuFI2HAbvIztdRWKhNMddAk+0h5d4rWeCiE+rK1IQzBsJff4gnvpNek6DdJHte8CTwEYWIPVeTch8GODZXgYAB/uA== 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=vRJzBspbsqWqd8tmxDuoxdpfF3o2o2eW7g/oHWMwmB0=; b=Rpfj5jY2LqWL1Ng7UA9NxNt6pEb55tFXCVeRb8zq2f0WKzUM4d3BfJy04ERkNDWdfD0mZVE5lBQZz52Te1Ahp4iD/e5O1VGgbobDmA4SstdC6pe5Gv54LXi4Hi7LWpCxTkDpNvccc2gVhscybFbmJJWXG1EDpHwORbnH24cIkyM= Authentication-Results: intel.com; dkim=none (message not signed) header.d=none;intel.com; dmarc=none action=none header.from=amd.com; Received: from DM6PR12MB4401.namprd12.prod.outlook.com (2603:10b6:5:2a9::15) by DM6PR12MB3819.namprd12.prod.outlook.com (2603:10b6:5:1c6::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.34; Tue, 12 May 2020 09:08:29 +0000 Received: from DM6PR12MB4401.namprd12.prod.outlook.com ([fe80::7949:b580:a2d5:f766]) by DM6PR12MB4401.namprd12.prod.outlook.com ([fe80::7949:b580:a2d5:f766%3]) with mapi id 15.20.2979.033; Tue, 12 May 2020 09:08:29 +0000 Subject: Re: [RFC 01/17] dma-fence: add might_sleep annotation to _wait() To: Daniel Vetter , DRI Development References: <20200512085944.222637-1-daniel.vetter@ffwll.ch> <20200512085944.222637-2-daniel.vetter@ffwll.ch> From: =?UTF-8?Q?Christian_K=c3=b6nig?= Message-ID: <0b1c65ec-adc2-9f02-da68-c398cf7ce80b@amd.com> Date: Tue, 12 May 2020 11:08:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 In-Reply-To: <20200512085944.222637-2-daniel.vetter@ffwll.ch> Content-Language: en-US X-ClientProxiedBy: FR2P281CA0025.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:14::12) To DM6PR12MB4401.namprd12.prod.outlook.com (2603:10b6:5:2a9::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [IPv6:2a02:908:1252:fb60:be8a:bd56:1f94:86e7] (2a02:908:1252:fb60:be8a:bd56:1f94:86e7) by FR2P281CA0025.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:14::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2979.27 via Frontend Transport; Tue, 12 May 2020 09:08:27 +0000 X-Originating-IP: [2a02:908:1252:fb60:be8a:bd56:1f94:86e7] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 1704ee46-473a-47b4-b2ad-08d7f654096e X-MS-TrafficTypeDiagnostic: DM6PR12MB3819: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:9508; X-Forefront-PRVS: 0401647B7F X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DM6PR12MB4401.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(346002)(376002)(366004)(39860400002)(396003)(136003)(33430700001)(186003)(2616005)(8936002)(16526019)(52116002)(31696002)(6666004)(31686004)(7416002)(36756003)(5660300002)(6486002)(8676002)(33440700001)(2906002)(66556008)(4326008)(66476007)(316002)(66946007)(110136005)(478600001)(86362001)(54906003)(43740500002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1704ee46-473a-47b4-b2ad-08d7f654096e X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 May 2020 09:08:29.3474 (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: gn19H5yIa8/K0WXEQ4q0cW5Kf4/ytJd2Af+H83RS7dznJbeO2pi2ru9ADmAoetGH X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB3819 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rdma@vger.kernel.org, intel-gfx@lists.freedesktop.org, LKML , amd-gfx@lists.freedesktop.org, Chris Wilson , linaro-mm-sig@lists.linaro.org, Daniel Vetter , linux-media@vger.kernel.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" QW0gMTIuMDUuMjAgdW0gMTA6NTkgc2NocmllYiBEYW5pZWwgVmV0dGVyOgo+IEJ1dCBvbmx5IGZv ciBub24temVybyB0aW1lb3V0LCB0byBhdm9pZCBmYWxzZSBwb3NpdGl2ZXMuCj4KPiBPbmUgcXVl c3Rpb24gaGVyZSBpcyB3aGV0aGVyIHRoZSBtaWdodF9zbGVlcCBzaG91bGQgYmUgdW5jb25kaXRp b25hbCwKPiBvciBvbmx5IGZvciByZWFsIHRpbWVvdXRzLiBJJ20gbm90IHN1cmUsIHNvIHdlbnQg d2l0aCB0aGUgbW9yZQo+IGRlZmVuc2l2ZSBvcHRpb24uIEJ1dCBpbiB0aGUgaW50ZXJlc3Qgb2Yg bG9ja2luZyBkb3duIHRoZSBjcm9zcy1kcml2ZXIKPiBkbWFfZmVuY2UgcnVsZXMgd2UgbWlnaHQg d2FudCB0byBiZSBtb3JlIGFnZ3Jlc3NpdmUuCj4KPiBDYzogbGludXgtbWVkaWFAdmdlci5rZXJu ZWwub3JnCj4gQ2M6IGxpbmFyby1tbS1zaWdAbGlzdHMubGluYXJvLm9yZwo+IENjOiBsaW51eC1y ZG1hQHZnZXIua2VybmVsLm9yZwo+IENjOiBhbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+ IENjOiBpbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCj4gQ2M6IENocmlzIFdpbHNvbiA8 Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBNYWFydGVuIExhbmtob3JzdCA8bWFhcnRl bi5sYW5raG9yc3RAbGludXguaW50ZWwuY29tPgo+IENjOiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJp c3RpYW4ua29lbmlnQGFtZC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogRGFuaWVsIFZldHRlciA8ZGFu aWVsLnZldHRlckBpbnRlbC5jb20+Cj4gLS0tCj4gICBkcml2ZXJzL2RtYS1idWYvZG1hLWZlbmNl LmMgfCAzICsrKwo+ICAgMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKQo+Cj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZG1hLWJ1Zi9kbWEtZmVuY2UuYyBiL2RyaXZlcnMvZG1hLWJ1Zi9kbWEt ZmVuY2UuYwo+IGluZGV4IDA1MmE0MWUyNDUxYy4uNjgwMjEyNTM0OWZiIDEwMDY0NAo+IC0tLSBh L2RyaXZlcnMvZG1hLWJ1Zi9kbWEtZmVuY2UuYwo+ICsrKyBiL2RyaXZlcnMvZG1hLWJ1Zi9kbWEt ZmVuY2UuYwo+IEBAIC0yMDgsNiArMjA4LDkgQEAgZG1hX2ZlbmNlX3dhaXRfdGltZW91dChzdHJ1 Y3QgZG1hX2ZlbmNlICpmZW5jZSwgYm9vbCBpbnRyLCBzaWduZWQgbG9uZyB0aW1lb3V0KQo+ICAg CWlmIChXQVJOX09OKHRpbWVvdXQgPCAwKSkKPiAgIAkJcmV0dXJuIC1FSU5WQUw7Cj4gICAKPiAr CWlmICh0aW1lb3V0ID4gMCkKPiArCQltaWdodF9zbGVlcCgpOwo+ICsKCkkgd291bGQgcmF0aGVy IGxpa2UgdG8gc2VlIG1pZ2h0X3NsZWVwKCkgY2FsbGVkIGhlcmUgYWxsIHRoZSB0aW1lIGV2ZW4g CndpdGggdGltZW91dD09MC4KCklJUkMgSSByZW1vdmVkIHRoZSBjb2RlIGluIFRUTSBhYnVzaW5n IHRoaXMgaW4gYXRvbWljIGNvbnRleHQgcXVpdGUgYSAKd2hpbGUgYWdvLCBidXQgY291bGQgYmUg dGhhdCBzb21lIGxlYWtlZCBpbiBhZ2FpbiBvciBpdCBpcyBjYWxsZWQgaW4gCmF0b21pYyBjb250 ZXh0IGVsc2V3aGVyZSBhcyB3ZWxsLgoKQ2hyaXN0aWFuLgoKPiAgIAl0cmFjZV9kbWFfZmVuY2Vf d2FpdF9zdGFydChmZW5jZSk7Cj4gICAJaWYgKGZlbmNlLT5vcHMtPndhaXQpCj4gICAJCXJldCA9 IGZlbmNlLT5vcHMtPndhaXQoZmVuY2UsIGludHIsIHRpbWVvdXQpOwoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApk cmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==