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;
From:   Jason Gunthorpe <jgg@mellanox.com>
To:     Christoph Hellwig <hch@lst.de>
CC:     =?iso-8859-1?Q?J=E9r=F4me_Glisse?= <jglisse@redhat.com>,
        Ben Skeggs <bskeggs@redhat.com>,
        Felix Kuehling <Felix.Kuehling@amd.com>,
        Ralph Campbell <rcampbell@nvidia.com>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
        "nouveau@lists.freedesktop.org" <nouveau@lists.freedesktop.org>,
        "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>,
        "amd-gfx@lists.freedesktop.org" <amd-gfx@lists.freedesktop.org>,
        "linux-kernel@vger.kernel.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-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: <VI1PR05MB5568EB5E95ABE2AB3D3859E7CFDC0@VI1PR05MB5568.eurprd05.prod.outlook.com>
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
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

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 <hch@lst.de>
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 23 +++--------------------
>  1 file changed, 3 insertions(+), 20 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>

Jason