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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 463BFC6FD1C for ; Tue, 14 Mar 2023 16:30:45 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.509742.786114 (Exim 4.92) (envelope-from ) id 1pc7Xg-0007Rt-JH; Tue, 14 Mar 2023 16:30:28 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 509742.786114; Tue, 14 Mar 2023 16:30:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pc7Xg-0007Rm-GP; Tue, 14 Mar 2023 16:30:28 +0000 Received: by outflank-mailman (input) for mailman id 509742; Tue, 14 Mar 2023 16:30:27 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pc7Xf-0007Re-Na for xen-devel@lists.xenproject.org; Tue, 14 Mar 2023 16:30:27 +0000 Received: from EUR05-AM6-obe.outbound.protection.outlook.com (mail-am6eur05on20616.outbound.protection.outlook.com [2a01:111:f400:7e1b::616]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 860179fb-c285-11ed-b464-930f4c7d94ae; Tue, 14 Mar 2023 17:30:25 +0100 (CET) Received: from VE1PR04MB6560.eurprd04.prod.outlook.com (2603:10a6:803:122::25) by PAWPR04MB9988.eurprd04.prod.outlook.com (2603:10a6:102:38b::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6178.24; Tue, 14 Mar 2023 16:30:23 +0000 Received: from VE1PR04MB6560.eurprd04.prod.outlook.com ([fe80::154e:166d:ec25:531b]) by VE1PR04MB6560.eurprd04.prod.outlook.com ([fe80::154e:166d:ec25:531b%5]) with mapi id 15.20.6178.026; Tue, 14 Mar 2023 16:30:23 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 860179fb-c285-11ed-b464-930f4c7d94ae ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=V0BCnd0Qfup0eeH8aYeh8/vlz7l4n3ViuzcakPW6TKngirljpgEZq1KygNm8oUYlM3YVNcPNCuyEV06ZWtRBF6T2cO9tDpHLomlvh16elaV0uAltjH/ScJQnpErOBsHyePT9HUWzk4Z0TQrw6zQy7H46bMrHNq4bMM7nC/umCQyEigBnBMUf6ZNjKMijdLXhS02tUiOr126Pl440tK9fmq9FFC9+DgMWv3D5kNUCNJ35wDOSaoTiB5LoVWm8u8R4a2UcPnDUuSkDvk/TJqsicxkjQeV7T6fYH9dJtC14t0sGmyu5xScsKrPGzid3dFhcrhl+hAxtSbg1Yyf+xhS6Dg== 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=p6IKgpBPTrAz3IkXwqbMRA6S10mi0PA8HUg1td/35tE=; b=OnrgghwoeWWkWHTQ7wO0gKmQcNSx+fzT3HiNWKQjAQhx+lo1wx7MYf7zKU1f7ic1vYd77AekuzXM1Ss47/E1GnlOtOmVHnoMVmgrgFToxAOOAWSfxORENnwmGQ1eqy5Naq9l+rVFdnH0zp5EpCNn8Wuv56TALYVKKG5s8wowZo+X60MxvYWf+X1MFBdsa+wDOConTXZbRiO4iwfDGUH71jPYYCBMHfjiqVWef1+LEEzSg9/a2EMPGmB1GSwMNXcbbiqPrDq7L6B0+IazHe/wnRVgx+M1+NJqmtUm4c4J8hotMPpNbzvJHryFOjPguQzvoJmE+EhLYx2RnIW/LMq6zQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=suse.com; dmarc=pass action=none header.from=suse.com; dkim=pass header.d=suse.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=p6IKgpBPTrAz3IkXwqbMRA6S10mi0PA8HUg1td/35tE=; b=VG0BuH8Ejw32Vq2HbkDHtdV43zPqU6VAAazqy1ze2kXGDCqZDX59SwUOHEfafwFmNpDmtZFG/LDc1wa1Du3H6Os3EIcepRc0oEfhNHc/lrUf2EjXcWGrQu+sqZLQdjV4mGoVs44Ymoy+BrsAOlTviXGQoomHSwwV7y6QTOp7ZaoIK956JrDslPPiYc8GxrL7EAk2Yb3uafpXVlIdxnxBtY/pDctipP4FsnWEqY5Gg/OHM3117Hnb1AxAdHV3q6KiZFgt9OPC0P/+rP6UkT6DKyRPRUyab8RXsv/+yZAi9a9i4dPUjkQ+YqH35syFkqgwdKB4bNUZppjQuY1NrgXXpg== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=suse.com; Message-ID: Date: Tue, 14 Mar 2023 17:30:21 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [RFC XEN PATCH 4/6] x86/pvh: PVH dom0 also need PHYSDEVOP_setup_gsi call Content-Language: en-US To: Huang Rui Cc: Alex Deucher , =?UTF-8?Q?Christian_K=c3=b6nig?= , Stewart Hildebrand , Xenia Ragiadakou , Honglei Huang , Julia Zhang , Chen Jiqian , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= , Stefano Stabellini , Anthony PERARD , xen-devel@lists.xenproject.org References: <20230312075455.450187-1-ray.huang@amd.com> <20230312075455.450187-5-ray.huang@amd.com> From: Jan Beulich In-Reply-To: <20230312075455.450187-5-ray.huang@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: FR2P281CA0026.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:14::13) To VE1PR04MB6560.eurprd04.prod.outlook.com (2603:10a6:803:122::25) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: VE1PR04MB6560:EE_|PAWPR04MB9988:EE_ X-MS-Office365-Filtering-Correlation-Id: 0f2a8c8c-4fdb-42af-b72c-08db24a9690b 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:VE1PR04MB6560.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(136003)(346002)(39860400002)(366004)(376002)(396003)(451199018)(31696002)(36756003)(86362001)(558084003)(38100700002)(6916009)(8676002)(66946007)(66476007)(66556008)(4326008)(41300700001)(478600001)(8936002)(316002)(5660300002)(2906002)(7416002)(2616005)(6486002)(53546011)(186003)(6506007)(26005)(6512007)(54906003)(31686004)(45980500001)(43740500002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?WDBwTElEZ3N5MDBta3dqcUlpeXdSQXFhTE00enlDNmkrWjBJdFVxUkZWNndH?= =?utf-8?B?Y0JaRElZdkxVdy9Mb1l1Z05LS3QrTHZodUdWRGQxbDdETml6ZUVtL1E2L1N0?= =?utf-8?B?aTVNR2orbjlWS1RoUHFoa0RzRXVJY2t5ek5PbHJ2RDJLVnV1WjNOSEZNUnZ5?= =?utf-8?B?alpHRWtpNHdlbFV1MlNCSEtTWWJST21yaEU4TUdIVksrY0dlZ243Z2V3RGZK?= =?utf-8?B?c29YWmphaWt4bHFDZVluNkUxNkVaZkFJM05RR20yNWlMUTJIU3l5enV6NDhx?= =?utf-8?B?ZWlTc05PMTBRWER6SmxHaVh1WEpCVmdIdUFJcXF1ZXhMRW5EeCtMMzFWM1ZD?= =?utf-8?B?Q3Fyc0FNa0FjY3c2MjlldjZ4ei93bVZvbkpnZGpQd0wwa25ReCt4TlZ2UmF4?= =?utf-8?B?T0xDaVpQaFo4TURTKzJqdithaVVGN2Q0MFkyZlgzZTk1K3c5WE9Gb09EbWZj?= =?utf-8?B?RGFmZG56RmZLclBIZ1lHYXQwRGJVUklXSGd6LzZ6SEFqa2NDZTU4akU3Ynd5?= =?utf-8?B?T1U1Vm1KTWUzU01CeEV6UVNqYis2OVd5TkcvRWxibVNDbGhBb1BmbE4zdlcr?= =?utf-8?B?emoxUDFvcThaZnhocHRobnlyVDhxMUV6RUNKQmw0NXByWjVvcDQvNklRTFUr?= =?utf-8?B?VVF2OHdUcmNBUmJ4dWF0UUw1S1Z6WW1OUU1rM3huUnMzUWcrM2lEejczdFdN?= =?utf-8?B?ck1QbUp5ckhVQm5TYVNSQ3VONldoVmVjdVpoNzVEUFo1NDg4NXl2Mk51VEtR?= =?utf-8?B?NVJPM3BBM3hLWllBMURYQncrSjNjb2prS2FoM25vdDl0Nkc0NW9mNkZxTUll?= =?utf-8?B?TW5TWmdxdG5QYkJ5a0JsdDFpdzBJTzFUNU5DcjYvQjlvR1lTZ2JXemljMEM0?= =?utf-8?B?Q0h3cmh1QnVqR2swVlk4SThmaVhpc25WeWxOSUpLMGc0MDBNbnlqVFh0Q2FE?= =?utf-8?B?Zm11ZmFiNXp2MEowdzJ6WGNZU0J2bEZIa0x6T2crOXdweVdmQ0d5OENJVVlw?= =?utf-8?B?aWJ5bnJqQ2dGdjhMZDdGQUp4b04rNGdCVFNWd1Q0OXR5WlBrWEdDaVFnQ2ds?= =?utf-8?B?VHNoeW11NHR3RjVHQjBna1RHbGtzQWVUd2VQZkp2ZjRqKzNFanVJcUVFQ1Zr?= =?utf-8?B?OGtoYXlUb3ZsaWw5Mjg1ZUNMRDVMWmdyem9iRklhZVo5b0N1MTlaejFYdmRw?= =?utf-8?B?bXpHUWtaam4yS3F2TjBoWFRmMWZZZS9oNm9ZM25pM1lXYVVHbUtlUmpmSEV2?= =?utf-8?B?WFg4QVErWkFZQWFEcTAwNFFsbUpHZ2g5QWMzOTNvUmJjV0p3NHdvWkJidEdh?= =?utf-8?B?VzlIZnR2SXlCQS9ub202VmNIQ1NLZUc5THNjcmpGQXVBM2FiNm1BTkVXVmpN?= =?utf-8?B?YlNsbXhCaEJYV25oMTVOeFFlQ1AzUGV2Z1RQMXpZUHRZTmp4MlVtMzEzTHVY?= =?utf-8?B?M01MaTBTZEJYKzdLT3UveGhpaXNKK1l2a2VlK1NZYzNWaSt4VE1zdlgvWnFt?= =?utf-8?B?OS9nWWRYL2hpZzdQUC9wWkxzUWo2UEt6M0xKVWk4MFpTZnNJOXR3b29Sdll2?= =?utf-8?B?UmpiS1UrNmxxcW1iK216L2RndEVJekdBMExRcUJOMVFtK0YrNFF1QVB3QVll?= =?utf-8?B?akhHdER4SnhkU0NoQTNiS3V3K2VWY3c5SUZaMk42WG43bDM3aGlQTE05YnFN?= =?utf-8?B?N1NzZVdsRlhmWDZZUFFiRytMdldpbXUyeVFhSUdodHNEM2hpNnJZSlpqaXRR?= =?utf-8?B?QmFzK2ttbld2dkxiVkQ2b0lDL3ZWUmVrZnJqZklaZmpHTWJpTWVSazlSVEF5?= =?utf-8?B?d0VLZ2FIZlJqSEhjM0lWLzJ2Vmpva3JnTmpnMi9VbVA1aVd2Y2NCcjR1UkFZ?= =?utf-8?B?dFlZblM5c1NqN29JMkcrUVhPUzhQTGh3YXZMekxrb3hYcG1oUkFZeHJ5UnhD?= =?utf-8?B?RW5TKzFaRDJBL3loVzhvNXpVdWwzOVZ1ZmpwNkpESWZncUptaEFqakp4WHM5?= =?utf-8?B?SURaRlV3MWxObTFQTEFnekJkTnFLTWsremhxNE5zMXJ5SFN3NFBUdHdKK3Ar?= =?utf-8?B?dWQwQUpPV0pydnlWZ0hycEVEczd2ay9KTUkwZ2lNWFVpYm45ZXQ2NkFRTmVr?= =?utf-8?Q?S5vWGP/E65y50Oav0It8tInTs?= X-OriginatorOrg: suse.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0f2a8c8c-4fdb-42af-b72c-08db24a9690b X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6560.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Mar 2023 16:30:23.5224 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f7a17af6-1c5c-4a36-aa8b-f5be247aa4ba X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: eB3joeQB7eyQ4xWNZ5qTUOaYAGusQR0InHSOvc0nndXY1EmaxeetRpmbnSyOf8dOduie393ZfCd/R3tAdC6gsg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAWPR04MB9988 On 12.03.2023 08:54, Huang Rui wrote: > From: Chen Jiqian An empty description won't do here. First of all you need to address the Why? As already hinted at in the reply to the earlier patch, it looks like you're breaking the intended IRQ model for PVH. Jan