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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 55616C3DA4B for ; Wed, 17 Jul 2024 09:33:48 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256 header.s=selector1 header.b=NyggOTtA; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4WP9jk5zsNz3fVH for ; Wed, 17 Jul 2024 19:33:46 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256 header.s=selector1 header.b=NyggOTtA; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=amd.com (client-ip=2a01:111:f403:2415::600; helo=nam11-dm6-obe.outbound.protection.outlook.com; envelope-from=vignesh.balasubrmanian@amd.com; receiver=lists.ozlabs.org) Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on20600.outbound.protection.outlook.com [IPv6:2a01:111:f403:2415::600]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4WP9hw5YvNz3bnL for ; Wed, 17 Jul 2024 19:33:01 +1000 (AEST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=SfGVjSKv5DQ6QW2mf+oHtrNP1yHFdvWyqrWTmnoLHlmb5Ss6/buPvn+XHJtGgSY4OfqFeP5+qkYmhme+3LBhcyHtfSwvJOJyR7ebRklZvCagWi11R0EZLKdV3cSBdlKrbtn1KSgQX7DUz5vvC46x+Zp5QqaLsZ0sUDK6qDbbyNmLivHvpTKlr+8HjY4jiMHu8EY7xtxDmCSxhIjY0kV1nMZQZ5RCcW3oVmiyhN7TqFzMhjHktuEylG6IxOiGE68gaNS7yruWmrNkVoahMD/ZTMmu3d0ybsN6+GwCdjk2IbGHVzhHJEZxwBEtREITyJd4wxXUI9ZRuTkbnOGN/paAEA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=mE/nT1qC8giHDzlJg7T1kgyAT4CsiUB6ztWFMo5rRKk=; b=EHqYY6oPN5WC8aSmilWRrFEBkYQPfRX6V+ft+K9PINGBcw7BbosgV45rIGPOZjV8nSE96s8jBWMNhLvRYWRJjm3kBO8OWcJfuzIvGnB9FqKuSbWTe8YKmzj4CjCujHhPiindlZ71Doyv9mF/eCOq4BH4cr7M7Z/fRrXBna9ilKSz6ukZzfhmOJVWnZzFNfjnGwi8iWkxeBAWYnD0Jyr4/Mo+Qrrv9z0uGHDXg3S2moMs5PYi3DbawgHMf6uFaORHa5hJBJSYsF1wOj8uskO4icLlpXZTlRhY64wnszeMTfEStXOb5hnkhEOy/U0Xan/RKpMP/9TxjJdqdmLumhh8IQ== 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=mE/nT1qC8giHDzlJg7T1kgyAT4CsiUB6ztWFMo5rRKk=; b=NyggOTtARjSCvbcdcUJSKWf9BhIWZobe/5I9lNN/1SDHiIhRTph77Xbg7eACqQOtT+4MT6AEpsHRtRuNpceKHCd+fLGGMUW0APiJSg/cAIUVcYg1H1FqtRDvLGYbxJa1hTYrx2Vhl6BI6Pv7DaALCpIQQ8BhUSrCshYGXgpw5RA= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from SJ1PR12MB6124.namprd12.prod.outlook.com (2603:10b6:a03:459::15) by DM4PR12MB6469.namprd12.prod.outlook.com (2603:10b6:8:b6::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7762.29; Wed, 17 Jul 2024 09:32:38 +0000 Received: from SJ1PR12MB6124.namprd12.prod.outlook.com ([fe80::c15b:b99d:8d9e:fb25]) by SJ1PR12MB6124.namprd12.prod.outlook.com ([fe80::c15b:b99d:8d9e:fb25%3]) with mapi id 15.20.7762.027; Wed, 17 Jul 2024 09:32:38 +0000 Message-ID: Date: Wed, 17 Jul 2024 15:02:23 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/1] x86/elf: Add a new .note section containing xfeatures buffer layout info to x86 core files Content-Language: en-US To: Thomas Gleixner , "Balasubrmanian, Vignesh" , "linux-kernel@vger.kernel.org" , "linux-toolchains@vger.kernel.org" References: <20240712094630.29757-1-vigbalas@amd.com> <20240712094630.29757-2-vigbalas@amd.com> <87plrhshdl.ffs@tglx> From: "Balasubrmanian, Vignesh" In-Reply-To: <87plrhshdl.ffs@tglx> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: PN2P287CA0003.INDP287.PROD.OUTLOOK.COM (2603:1096:c01:21b::17) To SJ1PR12MB6124.namprd12.prod.outlook.com (2603:10b6:a03:459::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PR12MB6124:EE_|DM4PR12MB6469:EE_ X-MS-Office365-Filtering-Correlation-Id: a77d7bbd-d82c-4e37-ba66-08dca643658d X-LD-Processed: 3dd8961f-e488-4e60-8e11-a82d994e183d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?UG1JRWNlbUN1aVdoUS9JOTIzeUVwYzMxZ1ZEaG9IQmxMZFMzODYreDM2TnRW?= =?utf-8?B?Zy9RbTVzTGFUanY3QzdYTXlveERadWJjMXVZcndicy8wTXpsUXhUUFJjRVVk?= =?utf-8?B?Szc3N0puZ2t5YzJ2RCszUGkwL1ZGSHZkS0xWZHNWcWVmcUJwR1ZyNGo5emVw?= =?utf-8?B?NE0ycDViOVVOU2I5UXJQSjZwckdvRUc3WkcyTWlDU2s5RE9ZdmV2eDNqLzNF?= =?utf-8?B?V0hiQlhYeklCU2FudjlOWW5PMGxCRE96ZXJta0xsVDIxb2pPd29YaGZXME1K?= =?utf-8?B?dWNMYWFxc3I3Qi9jOUNuMGNjcUJsWVZXdlFwRXpBUmVBUmZrb292YjhWTnM4?= =?utf-8?B?YVVhZmY3N0dKTTFicmpzUi83NDVQM2lhODhYOTE0eUpLN2ZiTkU0U0sxUldh?= =?utf-8?B?aEZpV01MSlk4b1hVeldqamVnMXVxS3R5NWlBOVJMNFI1T0lqd0Q1WXNQSkV6?= =?utf-8?B?c25LZUVOQmJzUGpObWRCb2tPNHZzQ25DWU05MVFJOUh0M1BmWHZWWXp2SU95?= =?utf-8?B?U2dzRUZPQkxha3ByZ01HcmRYS2ZZWFBtWGJXUnpTQUlpb0xGVGFMa0FxTkRp?= =?utf-8?B?dFZXWmRGN0UvaFNBY0dhb1I3UEtINzByY0RyL3hWeUI5SzVsTHFCRDRCeXJW?= =?utf-8?B?R0l3bFoycjNvVFh1bkN0eXFrMmVCQWNMaVpyYW1kOU9YbnhDNDR2ZHFRSDds?= =?utf-8?B?QklqMDZJWFI0bk8yTkhXV1czeG5ZUDZ2RWJ2TmQ2QzlKcXJnWXRmcFJLWm4r?= =?utf-8?B?NkhJS0kva1BDdkl6cHRWRUNJZC93dXEyTy9DQUEyM1ZMZ0RSbkxYY0VqMDI0?= =?utf-8?B?STAwbjA3NXJHdDlJUmZSM3lOWGdsN1RjM2c5Ui9BV2NZQWliQ202QVA3bVJK?= =?utf-8?B?Y2xxVkVWUkVkQUNFWmlRck5OZ204V2IxYVkrMHM1Z1RVVk5La2ZMQndRZkRL?= =?utf-8?B?UCs2bElzUEVLU21DYnlqM3QxS01xMGU1dXNaTHBhYTJLN2RlblFKMmhVbDVV?= =?utf-8?B?Y1NISWR1MEg5WVdMZDBhVnFpL1FDMGRTQ1FRN2ZyWEZqS3BKcHdZWDlMRVFP?= =?utf-8?B?YW5rUkF2bnJ6Q1pwWHg2ZFR0a1lNZ0RmWndrbTh1eFQwMHdiN082TFczbHF2?= =?utf-8?B?dzlOSlByTHNBYm9QSUZ2bGJUTHJyelM4c3hUbnpINnYzVm5Md3QxRWFxY09Q?= =?utf-8?B?aFMyUFlHcUxhZE1nWW0zUnVSc0hQdnFINTNDUSsxMVNqZldkeWlxd29aZVFZ?= =?utf-8?B?QlJXUnAzaU5GL1puTWRDaS9mcXdBSVhld25EYXdtS3AxQXlxQVR4dkM0cXdM?= =?utf-8?B?Wm9ObFlKRllhTVFST1U4MklVbHh0TWNMdS9RVFcrcGg2VS9qR21tcTNDU0pB?= =?utf-8?B?ZW9rVFREdzc1NjREYXArNlQ5ckVyOThWb2ZlQ2dJanl3S3UvUFZPamcxRDI0?= =?utf-8?B?aGlxeGlRQkJlVUZmT0hadVBUVHJpN1luSDVPd1N2Wmd1NUpJOHZFdGpONlR3?= =?utf-8?B?cFBpM0xraG84ckV5a0R4OWpYTVIydXMyL1V3OHNYU0g2V1hpdEpDQVVJUWNI?= =?utf-8?B?d0hCT05HUHRhbEpGeEo0dVFzTUlhbnUrSWNGY0M3VDArWXBkK0hyRkZUeEgz?= =?utf-8?B?MjdwcDdwcThWU0h0aDRjOTZFRXFGR0t1Ny81djJxYTc4V0NVN1U4NXNlQmhF?= =?utf-8?B?bDBqaUVKaWdUblBxb1I0d1RFcU9OblViUTd6b0wxbG0wcnNmSkNocjVGV1hN?= =?utf-8?B?MzJocTJjQzFybGplbVh4dmtnQyswYmdNSTcwbXIwRk1zQ2JqZSt3T1RwZTNK?= =?utf-8?B?SHFQYVhOQXJuczNuZWJVZz09?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ1PR12MB6124.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?ZDVZT0YxSlJ1Zjd0ODdyOXY3cjluZnEwck5IQUg5YzMyWG5Vc0dGcFRZa1dG?= =?utf-8?B?ck9YUWhuKys3ZUV2UlBlN1hvVjdaWGZKMzk0Q09MYlFBS1FObGREMloxT1BJ?= =?utf-8?B?SkhFK0N0alNDb3J5SUpNR0RYK2ZUZzRVcXB3b2tsajNkbE42c3ZEd0NhZ3VN?= =?utf-8?B?VENUdnJWMVZzTDYySm5iVm9EVFR0RDRLYVNlZGF5UGlWQVgxNmllMkVZcWtt?= =?utf-8?B?dWVBanFkc1ZRTmRmRjV1d1k5MEFjVGw2WWhoekJHRGRNSHE3UXBwZHNpU2tG?= =?utf-8?B?UEpMTUU2NmlOUUhHbDVWQkZnbXIrczRUK2NhSVZlNWliK1hUOTZwQVhPQ2pT?= =?utf-8?B?U1FwZ2lVanduWmlNTVJHdHdwOVVkVEwrc3FXQXFTd2tCWGFpaFUraGIrK0dK?= =?utf-8?B?RGQ3MXNObUt2djJGTlFJZmpoS2hpYm5BbjhuUzBNek0wREVoZjM3QklDd2pF?= =?utf-8?B?TnVCSXovU1hsS3c5bDAwMmtaT0xXNGJ6QjJ6NkFjZkZvbCtYTDUyaEJaNU1I?= =?utf-8?B?VEVQYS9mdkFIQVd4ZEo0Y1VFMnpiU1puQnN2eHNxRmZqYUsvaTMxSFo0MDhn?= =?utf-8?B?VzJlTXFybnVJSFZBNUtTc1F4WjNCVUhYc2szYXdINmgrVzFlTXJaWUJlbGJI?= =?utf-8?B?aGpuYU9KeVRqd0M3eEV6akhQZWlZNWlQNG9LTVUrd1UyYzhYMDNBWWdDMnYr?= =?utf-8?B?Z1VxejhtY2s3L2Q2endSWGY0YWdBOEg3a2lhMlVCUk5ocEdWMUlWaCt1UlRl?= =?utf-8?B?Y0UvTzZpMkpzVXA0MnMzM2VNT24xUXJqMC9RNXNXbW10UzFZcXpJY1hjMlJi?= =?utf-8?B?dWtyNHpWenU2SlhudUpFMGc0dnU2REhQczcxZ0VZa0ErRFlHU2l1Wk5NWFNI?= =?utf-8?B?K3RlVERLOFJaako2NnBqcHM1dDFQZTNXMVVGdnExMWdwcmROeHk1MzdBUXRY?= =?utf-8?B?c0N0d1duUkdtOFQ3QjlUSjRTSURheHBrTUg0cjluTkR0Y3hDZW5KVmRTbXBy?= =?utf-8?B?K0J0dXltaWRiblNkaVRNZEtwQWdDMWVaUlFGWTZIZmpqblVzS0YxZ1JOOWJU?= =?utf-8?B?M2xpWkxESlhBMm8velhoRjNGM0NEVXVmS0UvM1dCMnljd0ZvUTYwbDI4QUtv?= =?utf-8?B?Q2VvbU11ZjZBQ3l5TENuREc4WEw3NGZvM1dxK2xXdDZJZFdnSVErWTZVTnFy?= =?utf-8?B?TjJPZjF4K1I0TFZRUU5UT0lKR0R6M2FmVjFlSG94cWt5N3hZRmFHeWZxalIy?= =?utf-8?B?djdVRzloR1lTM3VBU0ZRVTgrQ3hVVTNnbmZDTUtqanlPdFRnMkRjRVMvVFVp?= =?utf-8?B?OVJxVXRMeWZ5Rzh2K1MySGlJbGFISFM5Qm01TjYvczExZUU3bDJ0dWVZb05y?= =?utf-8?B?NXR3QjVkNS94dkNNL2VQelhrbk95T2lMRjRTUzZ2aFdOTmltZFhKaHZZNnk1?= =?utf-8?B?WGkrUStIZkp3UHN5Y2ZucHlaaWw5Z3RxYkxwYjI2WDZqbFdnbGFkNWNNYSty?= =?utf-8?B?OE1UMU1yL253dGJpWE56NzlrSTJ6MDk2R1ptWFdPdzR2SFpGck9uN1dVc1M1?= =?utf-8?B?TmtXMnZ2S1M5SU5xWmU3Wk14bEM0c0RKVjlROFU0K3EvT3V4eWRNb2FPMFgz?= =?utf-8?B?bzcxSUxlc1Z6STBlYTN1MFVBZXlUR0FtRDlkWUJTN3hsTlpPek9aMlh6b0xY?= =?utf-8?B?aXVycmd0QTRVRlJuaVpKRGtoQktmZ3pNb2ZrdUtoaWxrMjN2UDhiNXppSmdY?= =?utf-8?B?ZVVabHJqS0dDdUFvY1MrRTZVbVZmTWtjbWZDOG1RT2F2VVBVc2ptKzBpa1I3?= =?utf-8?B?TUFIeFZ4SW5uREU1dUNIWTZDTzVqbWxlL0RoSXlMY0lzY2RWSDZOTU1JT25W?= =?utf-8?B?bU43R3EwUUdFSi9pSzBWTUQ3VUZtYk9zVzhYRkJPNEI3RkdKYThqZWhvazUz?= =?utf-8?B?UEVLWG1ieENHMS9FQzFISnVrZmx6dlVIMmdMRlBYY2VaT2p3STFIbmRsU2pX?= =?utf-8?B?L01YZDVTQVZnNGJVSTltVitTeXR0Zm9tV2o5WEpKWldGVHd4SzY4dVRMdk1y?= =?utf-8?B?Z0cveHpyYndNaEovSTRLeUkwZWtzelFTNFhqSTdlT0pmTjJmRVNkSldIblVS?= =?utf-8?Q?isiC3AUF7rx33uVKJwL5prBPE?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: a77d7bbd-d82c-4e37-ba66-08dca643658d X-MS-Exchange-CrossTenant-AuthSource: SJ1PR12MB6124.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jul 2024 09:32:37.9594 (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: Y3wgcmOWVZoa67w9cp6pL6ZvAU7B/XufGK21cQ6XhdWp6oSfuAgtuKJE0vpYBsKA4I9EKgoHjCrGSv6yqzp7xQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB6469 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "felix.willgerodt@intel.com" , "matz@suse.de" , "keescook@chromium.org" , "jhb@FreeBSD.org" , "x86@kernel.org" , "npiggin@gmail.com" , "Petkov, Borislav" , "christophe.leroy@csgroup.eu" , "aneesh.kumar@kernel.org" , "linux-mm@kvack.org" , Borislav Petkov , "ebiederm@xmission.com" , "naveen.n.rao@linux.ibm.com" , "linuxppc-dev@lists.ozlabs.org" , "George, Jini Susan" , "binutils@sourceware.org" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 7/13/2024 4:12 PM, Thomas Gleixner wrote: > Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding. > > > On Fri, Jul 12 2024 at 15:16, Vignesh Balasubramanian wrote: >> diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h >> index 1fb83d477..cad37090b 100644 >> --- a/arch/x86/include/asm/elf.h >> +++ b/arch/x86/include/asm/elf.h >> @@ -13,6 +13,15 @@ >> #include >> #include >> >> +struct xfeat_component { >> + u32 type; >> + u32 size; >> + u32 offset; >> + u32 flags; >> +} __packed; >> + >> +_Static_assert(sizeof(struct xfeat_component)%4 == 0, "xfeat_component is not aligned"); > This struct is only used in xstate.c and asm/elf.h is not a UAPI > header. So what's the point of declaring it in the header instead of > xtsate.c? > > If this needs to provided for user space consumption, then it want's to > be in a UAPI header, no? Our initial idea is to pass the "struct xfeat_component" through "glibc". is "include/uapi/linux/elf.h" proper header to add this ? I couldn't see any proper header inside "arch/x86/include/uapi/asm/". Please advise. thanks, vigneshbalu > Thanks, > > tglx