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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 4EBDEC0650F for ; Tue, 30 Jul 2019 12:33:07 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id F415B208E3 for ; Tue, 30 Jul 2019 12:33:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=Mellanox.com header.i=@Mellanox.com header.b="L+PD0lzO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F415B208E3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 92FBE8E0006; Tue, 30 Jul 2019 08:33:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 8E0728E0001; Tue, 30 Jul 2019 08:33:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7A8428E0006; Tue, 30 Jul 2019 08:33:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) by kanga.kvack.org (Postfix) with ESMTP id 2D67E8E0001 for ; Tue, 30 Jul 2019 08:33:06 -0400 (EDT) Received: by mail-ed1-f69.google.com with SMTP id f19so40266652edv.16 for ; Tue, 30 Jul 2019 05:33:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:dkim-signature:from:to:cc:subject:thread-topic :thread-index:date:message-id:references:in-reply-to:accept-language :content-language:content-id:content-transfer-encoding:mime-version; bh=dIh+Bg+Y7JR5zJCYaI23CwB6oXfe2ZfSo9J/94dn2C0=; b=Qt7mYiifKWo9F/sNMM8P/2uRi/KIr99jcxzXfTF/RFJtK92c4PyPF0vmFoqEg5LOTv Fw30JIPaH3rEqBbpmONWAe5zuX7xljzk6wWSngxU8SlrEWqwH7l9DB3q8VVnhgWX2VzJ uUxvItQlCPkawCSWMo3z7+uU2jXgFyOqZ5lhBAsJfiCI1d5LLAa+Y8DRMQxMvMiPVuSd zPxS1AjcPFwb2+zircuoEwkXC+gyEHb8G+sAmkPy1+XKVqnOWjDM/yoOYM7IJxaO4oHn /CpiU547l/0PVa7bS+pDmryOQMV5JutzYmgCRsVIdbJkiCdIycqqS86P60FO34hGjz+Y 5p5g== X-Gm-Message-State: APjAAAXqqHw4gJb17102YxRl86vzcPJv4jQ23yJl4avyuwdqqaD0NMlE jS3iPOdKwDEjHveYx6vgZSYoCMstaIrFx84ACzLWCg2d+1PNCkQpCHFyT579m8tDJNm1W8nfIcS 7UMMz9ZPftQW3DlRasoHhK4z4EB3EIwVEQa3YSSMxCwi/RnYMl7SNpyJn7RxaQoailw== X-Received: by 2002:a50:974b:: with SMTP id d11mr101075824edb.24.1564489985725; Tue, 30 Jul 2019 05:33:05 -0700 (PDT) X-Google-Smtp-Source: APXvYqyTSHfgWUY39hyXKO7Q1h4fs5A6H0BUeX/AFEZIGMMs7meZWQUC0fln3v05XlbVdNoCLwf6 X-Received: by 2002:a50:974b:: with SMTP id d11mr101075776edb.24.1564489985120; Tue, 30 Jul 2019 05:33:05 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1564489985; cv=pass; d=google.com; s=arc-20160816; b=jUXBZWmTPu+mzjlKuToqyAC2435osEU0g6yuUimspdQ1EQKecKGFuCHa9EWlFgo4oq ajjSqZrIk27uGQhaPJTX7t0JQb3dgPo0FoFnO1P1ap1DTsf8yhXf4aRZmvmKrHi5EH+L ciBYkJxBAY1infPx8tHFeEzMwc7JdAf0NnQM6TYyAyvWiZG03NtuWPK5bWCLVFzp7OUC MiHFOuv2fRR/vsQlR4LqpQ5/V+mNsaTEdGP+IvB7W7IL3ztivBCD8OVJDKc1OcXE8XqO kdv7Hx7HA3J8CTjTitWHdPlcEfvxl/tJQlHF+VAVl6Y53mpX+zVllYTGyKIw4Ce2nfdL xg8Q== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=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=dIh+Bg+Y7JR5zJCYaI23CwB6oXfe2ZfSo9J/94dn2C0=; b=MqYpKN7PFExXDCURGeoFpLgnJaB6KQl2skicWyjPM4izo635YB2MHq285AXjsV8ubx yGFrmlx1bKg9+LVlVMg11dL6bJEHZ0yKkFZMXiNQsR81WMJI9VG9FDMrwkaAEni+ELwo BfF+ITlHj9zrdPhXELMFlKRqSXzoarCdIVQIwklmYNIw1P9Z0e2DlxGOa8a95zTzBNsi xw1WpPFM39UMRWbdtqtgA+JM/cHVTj6vjj7z/PjSFaA1WQY/pkaEq/YJnpWh6di4rS7X LX4ML8MtiyXNvEoBuSCy5b7eovQwdPNfoOt0GzN1px7W/FAP3YCub4YZwy7MY/qsyzns nwOg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@Mellanox.com header.s=selector2 header.b=L+PD0lzO; arc=pass (i=1 spf=pass spfdomain=mellanox.com dkim=pass dkdomain=mellanox.com dmarc=pass fromdomain=mellanox.com); spf=pass (google.com: domain of jgg@mellanox.com designates 40.107.7.42 as permitted sender) smtp.mailfrom=jgg@mellanox.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mellanox.com Received: from EUR04-HE1-obe.outbound.protection.outlook.com (mail-eopbgr70042.outbound.protection.outlook.com. [40.107.7.42]) by mx.google.com with ESMTPS id z53si19365451edb.422.2019.07.30.05.33.04 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Jul 2019 05:33:05 -0700 (PDT) Received-SPF: pass (google.com: domain of jgg@mellanox.com designates 40.107.7.42 as permitted sender) client-ip=40.107.7.42; Authentication-Results: mx.google.com; dkim=pass header.i=@Mellanox.com header.s=selector2 header.b=L+PD0lzO; arc=pass (i=1 spf=pass spfdomain=mellanox.com dkim=pass dkdomain=mellanox.com dmarc=pass fromdomain=mellanox.com); spf=pass (google.com: domain of jgg@mellanox.com designates 40.107.7.42 as permitted sender) smtp.mailfrom=jgg@mellanox.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mellanox.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=NriWVhBq1EG/g+8owiD7Blh8mf7cOyWhr6jR2/J76XU5sOSJOO9TrdAGlqTkI52AZB1/HyLG9RIF+98+G2LPE2ihiHcrio9ltSSRNveWGb5vFq0WqXKXy1YwQeTpgFolhyb108LqhlX2+eEYIdtDozcQ9pM9QRo8SgmFD7k46lfbj7ZVuXMmjd0bF3COl6Quydn2ZAjoQN7bu6eGZ0ex5w0q+XknqR8H6OGvzVxgH7ADc1ZVuTyCCaLXKFEMF7dPQ3PVuEy8AeLwPhJoKcEOCms4RLnuUL4l67za1smof3oCsA7u4ChmpeGb215NzQInrk1GEFlIBgkjxVc5rVIL2A== 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=dIh+Bg+Y7JR5zJCYaI23CwB6oXfe2ZfSo9J/94dn2C0=; b=ImLL72JQq6nLdR4wnlre96u8+YI8B++NaXIW+HIlB9bUElqtvs3F0hGsZ9dXt1LPqHHO+I2xDmz1nvE1tm4EmblSd55F+I6Gn32FUq75u9Xu+lxL54pbs61JoGXsSrou+XJmYrpSrmioFSoA8WIE7WtRY3iCBrN2EEJpDV81AIa4GW4JuAXvVoaT0ZnqB+3aS9CwQaPpzl5kBu+rNMMBQuN8MM0TmjQsJRbdNOdUP1UrnSVq6IQSxvwQn/mnXOaGETHMgASjgsJn+h9x0qUQ7/wOEH+4nSUhDDCyVj2ROin+K72UyaMsxP177N0Iq0wm1UU2uYUUupCuI1//iSkbgA== ARC-Authentication-Results: i=1; mx.microsoft.com 1;spf=pass smtp.mailfrom=mellanox.com;dmarc=pass action=none header.from=mellanox.com;dkim=pass header.d=mellanox.com;arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=dIh+Bg+Y7JR5zJCYaI23CwB6oXfe2ZfSo9J/94dn2C0=; b=L+PD0lzOlrIv+mTDx/nh9p6/H5db2n3sbrfekUrPBizneQi/ck1kAaq8qKUn6stJjJEkBmx6nOMdHq1j1ayzMucOsxY+LX/FP2qpRYKtelys4vS4Sz8lldxLibXLLby6sfLeCy7jt+WpGDc1Y579+1VUwY406YTCy/0zeE4PKdE= Received: from VI1PR05MB4141.eurprd05.prod.outlook.com (10.171.182.144) by VI1PR05MB5568.eurprd05.prod.outlook.com (20.177.202.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2136.13; Tue, 30 Jul 2019 12:33:02 +0000 Received: from VI1PR05MB4141.eurprd05.prod.outlook.com ([fe80::5c6f:6120:45cd:2880]) by VI1PR05MB4141.eurprd05.prod.outlook.com ([fe80::5c6f:6120:45cd:2880%4]) with mapi id 15.20.2115.005; Tue, 30 Jul 2019 12:33:02 +0000 From: Jason Gunthorpe To: Christoph Hellwig CC: =?iso-8859-1?Q?J=E9r=F4me_Glisse?= , Ben Skeggs , Felix Kuehling , Ralph Campbell , "linux-mm@kvack.org" , "nouveau@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "amd-gfx@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 01/13] amdgpu: remove -EAGAIN handling for hmm_range_fault Thread-Topic: [PATCH 01/13] amdgpu: remove -EAGAIN handling for hmm_range_fault Thread-Index: AQHVRpr1y4W4rzsfOUifvYDU3qMetqbjGJ+A Date: Tue, 30 Jul 2019 12:33:02 +0000 Message-ID: <20190730123257.GB24038@mellanox.com> References: <20190730055203.28467-1-hch@lst.de> <20190730055203.28467-2-hch@lst.de> In-Reply-To: <20190730055203.28467-2-hch@lst.de> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: YQXPR0101CA0037.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:c00:14::14) To VI1PR05MB4141.eurprd05.prod.outlook.com (2603:10a6:803:4d::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=jgg@mellanox.com; x-ms-exchange-messagesentrepresentingtype: 1 x-originating-ip: [156.34.55.100] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c63a4ff3-9a95-4980-1049-08d714ea101d x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020);SRVR:VI1PR05MB5568; x-ms-traffictypediagnostic: VI1PR05MB5568: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2733; x-forefront-prvs: 0114FF88F6 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(366004)(39860400002)(136003)(346002)(376002)(396003)(199004)(189003)(446003)(11346002)(53936002)(486006)(5660300002)(2616005)(476003)(256004)(4744005)(6246003)(26005)(6436002)(6512007)(66946007)(6486002)(102836004)(305945005)(66476007)(68736007)(66446008)(64756008)(66556008)(33656002)(8936002)(186003)(1076003)(66066001)(71200400001)(7736002)(81156014)(81166006)(8676002)(229853002)(7416002)(99286004)(2906002)(6916009)(6116002)(54906003)(316002)(36756003)(3846002)(86362001)(478600001)(76176011)(6506007)(386003)(52116002)(14454004)(4326008)(25786009)(71190400001);DIR:OUT;SFP:1101;SCL:1;SRVR:VI1PR05MB5568;H:VI1PR05MB4141.eurprd05.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: zmjHbdaV7n0oJaJsMCF4EFNWeB4AiV0cBG47yTB/uXEz0jC2vezO5Gmfz6/l8WPT4rmGJKyqMgmt0ZoQN8cysSTG4ldcq1gfGWib5l5fXUGScTd1yovF+XAYfQVU3wxD+D3JEBpzJBIXODRU1g86gPdjagbzV43xWQ/J43KxioZlzhuyGyiTVMh+AKUklu0DLv/DPBiTHW22Rif0yz4XpAX3doeicjvUkp9ex5TIIJ0dyRD7fCXTF7uvP72wQhNKg2JsUejBIKiFk4C2CTRt6UsWyckOZxJS81s/ALB8+Zm00MxHgsvvTWHZIgxOLo0YdXjwXeUfAsfPYSe4eeTTtMMsSJ3i6ijZQZSbbKS6wz96bUUizSNR2MIUfPHFpBszzGGHk/WgafoMQI4ayHXWkbH32S0JeX2NsVVVSnvNdY0= Content-Type: text/plain; charset="iso-8859-1" Content-ID: <76FBA5B0F135514A885052AAEE17CDB6@eurprd05.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: c63a4ff3-9a95-4980-1049-08d714ea101d X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Jul 2019 12:33:02.3076 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: jgg@mellanox.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR05MB5568 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jul 30, 2019 at 08:51:51AM +0300, Christoph Hellwig wrote: > hmm_range_fault can only return -EAGAIN if called with the block > argument set to false, so remove the special handling for it. >=20 > Signed-off-by: Christoph Hellwig > drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 23 +++-------------------- > 1 file changed, 3 insertions(+), 20 deletions(-) Reviewed-by: Jason Gunthorpe Jason