From patchwork Thu Jul 15 00:20:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Gunthorpe X-Patchwork-Id: 12378165 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=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 77EDFC47E4B for ; Thu, 15 Jul 2021 00:21:19 +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 4A657613CC for ; Thu, 15 Jul 2021 00:21:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A657613CC Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=nvidia.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 292206E526; Thu, 15 Jul 2021 00:20:56 +0000 (UTC) Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2056.outbound.protection.outlook.com [40.107.236.56]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2F9B76E50D; Thu, 15 Jul 2021 00:20:50 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Zl1d8e8p6xRJSnnNpYXwAzZHt8Zbyh7yiGRWB8jQhsfmRWnZF5i79XkqmrS9/laHNdQjKJOnSiXNVM2LtJmbGWB0FnuOKY4tF4VCKONkoX1sw+lxAMRIlTBcPF0w1re4R/NKNNDMxDnHfinvygwo3t1MnWPotNggGdB1z9++mneLlObpJFoDS0wfmI5G6xRpBjZLtbRKMWkL6/mDWQNLrUtyMRjIiiq34F7Z3tgThgavyJ+diFCjsMMldpMAnZVwY7D0MK0GCL584LJu8FNW4/dXAQiADz9phai76XXgTrlH+EnWW9hyfMGZd4bYkTicl+tQ/a3L8vEtKPfqCh2E7A== 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=xIc2oCm8m6pW9fubLZi0TSzG4l2OL+6bcDFd5Way0kU=; b=NidO0Jc28HqYdwY668rfOw79YKrbtWuBkUU9UJoC2USMb9JPkxuPVrNqDXvVh+ELkEWj3ldJKBAxM1/S8iikZCOPoVh2EC29c07pjxj286VG3kn+s8waoWYBhVTC6YQNhc+1PvQiv5zLQ1rrqEVczfG1s+0npr+DPcb2SvsYhnNWgIFRPpMvcGUd0IeGQa/5Bb2P+4bDKdDw/uodPC2fwgClSVskkDXtEjNb2N+hsgOT6YVToxgX+oYtHCpTqAZv1j2YrPwWVq292e0qVDeSXdb+DWXDF6CvJ0+PLyA4ZP8m4m8dscwrpMnCQASwf1zqEZWGd1ABKDT79zgAdj9dpg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xIc2oCm8m6pW9fubLZi0TSzG4l2OL+6bcDFd5Way0kU=; b=WLZFIQLyjzlgc5GRUnUa1vfRBC3jH7RV0AssVuV1RZh25CVM8wlqOCNJXwoIhrXTxuEsBf2Gi6cNHEHAlmbdQxaqY1Fp2tKGOyLBmyYjuUo6PYx+5NerJSUNudb2BYbWMZQSbPpPJ01XIfzMi7LeOsiD+8BHtNCPJpYyPnIoBsZGatFksil2JahYUUiC2AwQ1dXF4IiIZU84ZCUyjxlr7MegwGcFUcfGHGtEGc/ffWR4bSxFVs56SD9jkJN75KovHKkDbKiJz3cqB46syTVELDowtb1IZ7uhi6KXhFJ5/iwGI4uwfyzUsFhTuxXMfLf06tcothMlsPVPYsP74Z2Usw== Authentication-Results: linux.ie; dkim=none (message not signed) header.d=none;linux.ie; dmarc=none action=none header.from=nvidia.com; Received: from BL0PR12MB5506.namprd12.prod.outlook.com (2603:10b6:208:1cb::22) by BL0PR12MB5555.namprd12.prod.outlook.com (2603:10b6:208:1c2::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4308.26; Thu, 15 Jul 2021 00:20:48 +0000 Received: from BL0PR12MB5506.namprd12.prod.outlook.com ([fe80::d017:af2f:7049:5482]) by BL0PR12MB5506.namprd12.prod.outlook.com ([fe80::d017:af2f:7049:5482%5]) with mapi id 15.20.4331.021; Thu, 15 Jul 2021 00:20:48 +0000 From: Jason Gunthorpe To: David Airlie , Tony Krowiak , Alex Williamson , Christian Borntraeger , Cornelia Huck , Jonathan Corbet , Daniel Vetter , Diana Craciun , dri-devel@lists.freedesktop.org, Eric Auger , Eric Farman , Harald Freudenberger , Vasily Gorbik , Heiko Carstens , intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, Jani Nikula , Jason Herne , Joonas Lahtinen , kvm@vger.kernel.org, Kirti Wankhede , linux-doc@vger.kernel.org, linux-s390@vger.kernel.org, Matthew Rosato , Peter Oberparleiter , Halil Pasic , Rodrigo Vivi , Vineeth Vijayan , Zhenyu Wang , Zhi Wang Date: Wed, 14 Jul 2021 21:20:33 -0300 Message-Id: <4-v1-eaf3ccbba33c+1add0-vfio_reflck_jgg@nvidia.com> In-Reply-To: <0-v1-eaf3ccbba33c+1add0-vfio_reflck_jgg@nvidia.com> References: X-ClientProxiedBy: CH0PR03CA0004.namprd03.prod.outlook.com (2603:10b6:610:b0::9) To BL0PR12MB5506.namprd12.prod.outlook.com (2603:10b6:208:1cb::22) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mlx.ziepe.ca (206.223.160.26) by CH0PR03CA0004.namprd03.prod.outlook.com (2603:10b6:610:b0::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.21 via Frontend Transport; Thu, 15 Jul 2021 00:20:45 +0000 Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1m3p7K-002UxJ-Go; Wed, 14 Jul 2021 21:20:42 -0300 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 5b169f0c-bb3a-4045-bb8f-08d947266355 X-MS-TrafficTypeDiagnostic: BL0PR12MB5555: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:191; 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:BL0PR12MB5506.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(136003)(39860400002)(346002)(376002)(396003)(366004)(83380400001)(2616005)(426003)(316002)(107886003)(2906002)(478600001)(4326008)(7416002)(7406005)(38100700002)(36756003)(5660300002)(66556008)(66476007)(66946007)(921005)(9746002)(26005)(8936002)(110136005)(54906003)(8676002)(9786002)(86362001)(6666004)(186003)(4216001); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: HY+cnBGqfVdIL9Y2dxWgnnRwJQ571yok669wjONRNkrdohvu61KZ3O1jvGVpdjfwZhPQk8ZrF0YfBj5pjaNUDH5On6kWKr/fR6xk7He9FQRmGZHLW7Emo11GppYDWDAmrZMrGEcoILQf3G4hxShc/Fyy8hWXOxy+AD9AJOVtX3iv48z/1PxJEqUBzS5syngMgunrHrW/dtfAciApIWhMZ2ws48Vm3eSjMjzgtwp+tyADfNw0dpjGoPMk5ZoEoJgWyKh5Tt1yeU6upV2Irs38HCLi6KbSikEd05VU0FEz0wuSYba8wFWJAFEjH0kXynXbKLtNtlQMiqwHmDoDLiGtKGBR9UIOJzKKtlgjU4LtGPQeWApzYzDjxTvJ9enQfytcDm6Sc8ShwjvMk0OWpOOlFkhjGXApx2mnOzPhIZ3hnD8Myu/Nek/TcM9FiwpajuzNZG5hO5JUdx182QYBZ+M5WauerY3bf4e7lH5kXSFOA1fBlGRlxg0SQUP0Xi7X7JkK/BELxyY8UmSfsNAbfjOoQY7MLSt4MzyYXWQQHF3JbPTYuUzuPDea3YiydHF3U2WdvwjL4it7MbmKtzl6VLuF9ao1eGR7dvYRFy9CHcVitrS5XBdg0JEDnJFF3FasQEUUedh9ZLtqGDixBVifGMzSHDTsrzapRwbuDIInvr+9jyUuHUG061OexRzuUWIkCL8f5bNczcDeXhuZT7+nbEqttGEdSpL5Xb8TN4h1M8ed2rvrbTfC9wH31wchByvVbuz3fiY0JcslZSkDneMSv+43wl18QWHhDSq+Nk5UvxfAxcmbGngR/gG9M9rFmbggdfvYd6WjuoPrg2hzya9wwthSa8LrwmZvVzNTKJF/wpbrNZnsgH0SZ5eJzeH6zbxhqFvmWcFQTV619EPOHq+vyMQ5BmHq47d9F5InBZSp/l9kPV/HRpJC7DRC0g1f0fIcimrLomu1yju2r9fXy1/28t+PuHKDHr1nJOJM4DzUgNUu7MHhj+kb3ct5lqWE+dDwasxxHoneDzPlH3qdtPeAgyvLGsDczVVsSmCLNEX1EgBv9wPA7dcIes7TlV4ruJ8f71V4ZZHr9kXm0zzMoKBUL0dJtQoHaau5mIni+s/oA0eVLHtb4px6nJzvDAw9Dd3rgPwQh1x441wV2lUvTrNduQUkzVYlDUJ7NXQvU8UQQQRVs+lFQ4S3wbPZ3OYKMbkPfA3leTM/Zp1hsZzPDGjGhn8B9ryq+2PKVCzDLpfJCFromOq7+6CD07Z/lsdEwaG/HKX2xaCueVF1onoP4nspJ52BIBaT048JxpGnqy3PAchg6cLaUrtzdmfOYoYVL44QCzfD X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 5b169f0c-bb3a-4045-bb8f-08d947266355 X-MS-Exchange-CrossTenant-AuthSource: BL0PR12MB5506.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jul 2021 00:20:45.1772 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: i9hFacJR5P+I1CYOcgGHvk3Qv0URWvZv9izThXG2q/UWmBssXLIodQpELbnKjMgU X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB5555 Subject: [Intel-gfx] [PATCH 04/13] vfio/samples: Delete useless open/close X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Max Gurtovoy , Yishai Hadas , Leon Romanovsky , "Raj, Ashok" , Christoph Hellwig Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The core code no longer requires these ops to be defined, so delete these empty functions and leave the op as NULL. mtty's functions only log a pointless message, delete that entirely. Signed-off-by: Yishai Hadas Signed-off-by: Jason Gunthorpe Reviewed-by: Cornelia Huck --- samples/vfio-mdev/mbochs.c | 6 ------ samples/vfio-mdev/mdpy.c | 11 ----------- samples/vfio-mdev/mtty.c | 13 ------------- 3 files changed, 30 deletions(-) diff --git a/samples/vfio-mdev/mbochs.c b/samples/vfio-mdev/mbochs.c index cf264d0bf11053..199273bebcc0e2 100644 --- a/samples/vfio-mdev/mbochs.c +++ b/samples/vfio-mdev/mbochs.c @@ -1274,11 +1274,6 @@ static long mbochs_ioctl(struct vfio_device *vdev, unsigned int cmd, return -ENOTTY; } -static int mbochs_open(struct vfio_device *vdev) -{ - return 0; -} - static void mbochs_close(struct vfio_device *vdev) { struct mdev_state *mdev_state = @@ -1397,7 +1392,6 @@ static struct attribute_group *mdev_type_groups[] = { }; static const struct vfio_device_ops mbochs_dev_ops = { - .open = mbochs_open, .release = mbochs_close, .read = mbochs_read, .write = mbochs_write, diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c index 57334034cde6dd..8d1a80a0722aa9 100644 --- a/samples/vfio-mdev/mdpy.c +++ b/samples/vfio-mdev/mdpy.c @@ -614,15 +614,6 @@ static long mdpy_ioctl(struct vfio_device *vdev, unsigned int cmd, return -ENOTTY; } -static int mdpy_open(struct vfio_device *vdev) -{ - return 0; -} - -static void mdpy_close(struct vfio_device *vdev) -{ -} - static ssize_t resolution_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -717,8 +708,6 @@ static struct attribute_group *mdev_type_groups[] = { }; static const struct vfio_device_ops mdpy_dev_ops = { - .open = mdpy_open, - .release = mdpy_close, .read = mdpy_read, .write = mdpy_write, .ioctl = mdpy_ioctl, diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c index 37cc9067e1601d..5983cdb16e3d1d 100644 --- a/samples/vfio-mdev/mtty.c +++ b/samples/vfio-mdev/mtty.c @@ -1207,17 +1207,6 @@ static long mtty_ioctl(struct vfio_device *vdev, unsigned int cmd, return -ENOTTY; } -static int mtty_open(struct vfio_device *vdev) -{ - pr_info("%s\n", __func__); - return 0; -} - -static void mtty_close(struct vfio_device *mdev) -{ - pr_info("%s\n", __func__); -} - static ssize_t sample_mtty_dev_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -1325,8 +1314,6 @@ static struct attribute_group *mdev_type_groups[] = { static const struct vfio_device_ops mtty_dev_ops = { .name = "vfio-mtty", - .open = mtty_open, - .release = mtty_close, .read = mtty_read, .write = mtty_write, .ioctl = mtty_ioctl,