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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5A368C433EF for ; Wed, 9 Mar 2022 10:28:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A233E10E41C; Wed, 9 Mar 2022 10:28:42 +0000 (UTC) Received: from NAM02-DM3-obe.outbound.protection.outlook.com (mail-dm3nam07on2078.outbound.protection.outlook.com [40.107.95.78]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0130C10E412; Wed, 9 Mar 2022 10:28:40 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=TLXZeLLGTugrsWEGVN8JSXVZLl3i7RLleVETxjcOxIsLWnzLK+fGbp2BZXNKuJYkdL37cBpoWrudYjKo/BDE4ELhuFJwuCpMAOQtWdK0JoYLeAzVFNfHgT9nLu7dbiU7+kUAbnOCRtgbFu1fG4AKBjVOdpy/KImxUtk97ZoEVDa8Evd0Mrax2BnXG1Hx5GY4RGIOy4B5j/p9LZONkQ4Uh8JkMrv5r0lNOodrrS3dbQjB3CdiftgCjfTMYUY9t19LUoovkl/5o0pYSMIHC2u60EVAVRIxN6+OP6bysg9jPsUW9/fSP4pBbzrunpZJ3fA+ty3gtb1daS5njqKMOXRtng== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=B9NkXykV14y26d4n1+TIC1HmfYIUsBZeMak9eratQo0=; b=MwXrRUqVU/KJ0MN1vi0xfQ3yA0USUBRB5HrqONJF2rRVqzFWDdfxqOeVhN1iMtQMwwDEk9TN9kA+xbdl/spCmHU3HGIj860rFvCjxxwX2pQal0v1/9cjhKJk5vX7+9qEINd9iNiAa1jj2mhyMny2Db+kK7ydDk21gei+kyWymjaaoQ6cyONez8ISeUPAabQOhvyh30PuaKJGtneANj0XL1fN5s9QgVX2GugDWFjGZnL89OhERznLjCrjiHeJ3LDg7u+ctmaFVA6ZfJjHSRSLWBEpXru28qhLEHw4Gd30i32BxeT4EgKYYU6SotBxFpTzQJMTwO3Eq1EJ/8uBce1d+A== 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=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=B9NkXykV14y26d4n1+TIC1HmfYIUsBZeMak9eratQo0=; b=WuC/57UI4sCBIEa+94544C1VMrzCnqccMSwKjbMMmWJSOp0NuP2iOxsEBHsTz39aC4Gf62+mIoLhKDYAsSVXQWtugbZBEeS0mwebIJ04q/Du65dUaffhJGc4BkP80FYq97GDhkZ6IUapCr+Q5z+ynsfnKLUO5zYqUT0wcDz9ffI= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from DM8PR12MB5431.namprd12.prod.outlook.com (2603:10b6:8:34::8) by SJ0PR12MB5469.namprd12.prod.outlook.com (2603:10b6:a03:37f::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5038.14; Wed, 9 Mar 2022 10:28:37 +0000 Received: from DM8PR12MB5431.namprd12.prod.outlook.com ([fe80::bd9c:14f4:486a:1356]) by DM8PR12MB5431.namprd12.prod.outlook.com ([fe80::bd9c:14f4:486a:1356%9]) with mapi id 15.20.5038.027; Wed, 9 Mar 2022 10:28:37 +0000 Subject: Re: [PATCH v2 1/2] drm: Add GPU reset sysfs event To: =?UTF-8?Q?Christian_K=c3=b6nig?= , Simon Ser References: <20220308180403.75566-1-contactshashanksharma@gmail.com> <589bca3a-6f44-39bf-1eb5-1cb2628e4fee@amd.com> <1e2ad919-e336-cf8f-c675-0ddd62796a0f@gmail.com> From: Pierre-Eric Pelloux-Prayer Message-ID: Date: Wed, 9 Mar 2022 11:28:27 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 In-Reply-To: <1e2ad919-e336-cf8f-c675-0ddd62796a0f@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-ClientProxiedBy: AM6PR0202CA0058.eurprd02.prod.outlook.com (2603:10a6:20b:3a::35) To DM8PR12MB5431.namprd12.prod.outlook.com (2603:10b6:8:34::8) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a8eda9cc-9221-40c4-ae88-08da01b7926b X-MS-TrafficTypeDiagnostic: SJ0PR12MB5469:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 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:DM8PR12MB5431.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230001)(4636009)(366004)(508600001)(316002)(6506007)(31696002)(6486002)(6666004)(86362001)(2616005)(186003)(36756003)(26005)(83380400001)(6512007)(31686004)(66574015)(53546011)(66556008)(4326008)(38100700002)(66476007)(66946007)(8676002)(2906002)(110136005)(8936002)(5660300002)(54906003)(4744005)(43740500002)(45980500001); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?RXFPaHNnUmp0NDdTT2JiTU55SGh2a083b21jK1BJSlV2Q3Nxd3l2ejI1aDZH?= =?utf-8?B?RCs2a2ZwZEtWaW40empOMnRhNzJOTUZFdG9MYU1IVWk3Q0svRkFXTmdqcHds?= =?utf-8?B?TUdhMXEreVhRcEVUMENqTFpra1UyOTlPeWUveVBmSStPNWc0am5vUTg3UVFE?= =?utf-8?B?RWRuaVd0MG96YXBDOUxiSnRLWnlqOUdxZTJhM3NSYy85aWk3ajJTWlhNVlJS?= =?utf-8?B?WVhmQk5zdWk0bGpaeHZjdE10dmF3cWpSVWJBRnlJYkQ0bDRGcXl5dEk0MjNk?= =?utf-8?B?LzgwRTB4d0NUalZwZS9RZ0FEVDIrdE5GdS9YOC9jZVNuY0tOcmcrSVd1WUxv?= =?utf-8?B?bWlTT2U0VGdDVnYwODZ1TDBrS24rNmFsNUptcXQwQjBqNW5qMDZScFJ5U3d2?= =?utf-8?B?N0JiMDZXQ1kxREl1amZLd2JIV21qMm94SXlzYStLbGhzWWZuYnJKMGRxejEw?= =?utf-8?B?S2RPeXZuY1lqVnE2MHFDWXd0SFlPUys3NkhPelZxb0JKK2kvY0xUaXR5eWpz?= =?utf-8?B?YzdMTWw5blFRWkFzb1dWamNEeTlaaWFxbkgybVdSeXVVSnZiZE1SM25MN1VG?= =?utf-8?B?VzNpMUZhNEE3R1l1WWxHWGpZT1h6bmtlYXMxZlAyTWxsVWtwd2dsRm03LytF?= =?utf-8?B?TjMxblVhVXZNd0hsaFRaRXQ5Z0JaY082TTRBU3poK1VQS2kyYXZ6N05RQjR6?= =?utf-8?B?MU1na25HWTlTdnFHOFk5MzltenpTMmlPRnYvTUhYSE0vQ1Z2bDRpNkZCb05V?= =?utf-8?B?TGk3Qkg0K0JhZVFsTmZXeGdUMzRBSUxKRGU4L3RLUDZqRWo2OEYyY2RQV2Fy?= =?utf-8?B?cGJEbVJhMkxBVnVCbHJBaXFOaGdBYjhmM2wzcDNtdk9JMmxOL2diSzZ0b2J2?= =?utf-8?B?M0dRVjdtYy9ZNW50NDAwd3hYSmJrTGNLNE1MM0xVNjhMOTBnSmRoVUhkYkVi?= =?utf-8?B?cFMxUmJSbzB6MDYwT2Q0T0xTWlhqUS9JbVV0STVHWEpkWWVGWDNkNHA2M0RV?= =?utf-8?B?a3crZ2FRajZmajllL0hTMWg3enlQdGZCdU0zc0V1NDFGa3lUaWJNcjlLTUYy?= =?utf-8?B?T0dIU3VxZGFySFRTZjJwR3BDdVV2Si9QKzMzY0x6ajdRMlRlbHBNWk5Wd3Ba?= =?utf-8?B?cmNyU29ORnFTL3kxalpXcldpWHJOZy9xS0ZsbzlsU2JjdXBnVnMvT0x6UExS?= =?utf-8?B?enNLTEpPZmFvamNpUnVEVzREMUdqSmJZN1B1Y2J6bHFFZ00yTXlDblFncFVx?= =?utf-8?B?L2h0dTBlKzg2cHk5RzkyMTFQOXAvREtsM3RmUGp6NjlnM2E3MXNzcDFzaUNM?= =?utf-8?B?Z01WcEc5QnJsK3Y5UEU4REV1dHJydDZLcHJvN0dMNmVYaUl5TjJZREtHUlhI?= =?utf-8?B?eDF5bncrbkNDcUlMcU1aK0xXK1V5OU9uMlE5Wml4ay9iaEswM0RxbDg2UFlL?= =?utf-8?B?aDdFTWUvdlJNenJiYWNEaTFOMEFudXN1ckp0QlJiV3l0SDUxMkhvVFFBbENi?= =?utf-8?B?NVZ2aXlmNGxjK2VKYjZaWFdiTER2SUFIb1FUc3JNMHR1ZGhNT0kvOG9ySnVT?= =?utf-8?B?ZmlqcU1kMFZBTDhHYmgyUi95RmxJejRQdlU3MXR3bC94Rm5OdUsrcSt6eUtj?= =?utf-8?B?cGlIZDZER1hzNXZJbHJUWXM4ak9PdnZUeGVFcG5pRVk4eWdwNEMwU3FNTzJU?= =?utf-8?B?cExlMHJ1OVlITGZRb3M2aVBMakhLSnFIRVl5R2VTckQycXBCTmFPaWZLZ2Uw?= =?utf-8?B?NS9PdGlwbkw3Qjk2Tm1sejUrbWlIWXhFRlZsbWdXNmkralZNdDVSYm5OU3Bn?= =?utf-8?B?UjhqSFNBMS9CNUFqdkhqL1BaODJEOE82Z2h4RllqanhCYnRGWTZiNENoeDVV?= =?utf-8?B?ck9pK2Q4bTRralZKUW15eE1tdWJNRi9tenVjOHdVSlR1dWFGSjc0SmtJSTIx?= =?utf-8?B?bXRjZVFmRWtoY1c3eXpuaHo0bER3bkdoaktQa2w4SDFNRGpmSzBsWktkdTJm?= =?utf-8?B?TER6cVlvRVRZMHpTdkNONi9vak9FK29QZllVeVFLMHBZNFdEbzRtV2JVdXd4?= =?utf-8?B?eXh6OTYxYm5TcHJ3Y2dWblJPb2JGaXozVGU1ekMyM0djalBUNWdCS2srbzhF?= =?utf-8?B?K2tGdllZellZNmo0dURTSWw4ZFMzaXBSVmhKYkxGcExhVFdUYUh6bVZIQThN?= =?utf-8?Q?aTY6VJnNSdyvhQnTKeDPcHg=3D?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: a8eda9cc-9221-40c4-ae88-08da01b7926b X-MS-Exchange-CrossTenant-AuthSource: DM8PR12MB5431.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Mar 2022 10:28:37.5238 (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: umZGm5awFRkX35F6tAAT1+khz9cwWzueX0O741tkniqRYX/UmPXobIv0Y5cJKFgPvvu5u7ik/uoNSV9mRZYvDA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR12MB5469 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Shashank Sharma , Amaranath Somalapuram , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Alexandar Deucher , Shashank Sharma , Christian Koenig Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On 09/03/2022 11:24, Christian König wrote: > Am 09.03.22 um 11:10 schrieb Simon Ser: >> On Wednesday, March 9th, 2022 at 10:56, Pierre-Eric Pelloux-Prayer wrote: >> >>> Would it be possible to include the app parameters as well? >> Can all processes read sysfs events? > > No, but application parameters are usually not secret. > >> There might be security implications here. The app parameters might >> contain sensitive information, like passwords or tokens. > > It's a well known security vulnerably to provide password etc.. as application parameter since everybody can read them through procfs. > >> Can't the uevent receiver query the kernel to get that info from the >> PID? > > I'm leaning also towards just providing the PID and not the application name. The information should be as short as possible. > Indeed you're both right. The PID + reading procfs should be enough. Thanks, Pierre-Eric