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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 BD969CD4851 for ; Tue, 12 May 2026 12:45:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=w/amf3G/ip0c6F1bfGimuuEFQBfGBygMm4RxDHRToV8=; b=eciqNmTRh0lXDE 5PKHtvNJappaB84z9jsSYuBt+h8s3MJITge+hr9Mg5X2c5S5M2faHTGP623VKazERphqYBPfaGIGj lvBPmAN1BgrsqXZ8wzH+6n+aX93tuERO7ujtu2xOOJpSUkQwwTXun0P1Pk6PmrfCnpwJ1turfKJJJ Nh/UR9hwcbgGZAz13PayYVG+vXRZGJ0ghlthZ4YFWWERbmxYD0BKyKQ2vBk47wmXc1eRhD4JJDgf3 nWPwc8A6JMf+VszI6h5z24cd5LjeyNi2tOGd2OYG7mUMWUmB2ap1YCUCf+e8K3MSlZHB7yjYKgx8k 50AfoIgo43c70U+rJX3A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wMmUV-0000000Gi5B-2pHt; Tue, 12 May 2026 12:45:39 +0000 Received: from mail-eastusazon11011065.outbound.protection.outlook.com ([52.101.52.65] helo=BL2PR02CU003.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wMmUR-0000000Gi1L-04B7; Tue, 12 May 2026 12:45:38 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=r0aTcVtXJ8fu81dEvAOHKqJrvXPnauZkynkhTFv1B52HqQwxl0ipQ2zxHzrdDKX5LPbRS9T9GZIHGKsHv5M8niy7/Sz/nRx/k3OkMwLXtZebWQmCiHwHnG0dVyL33ierRjoxT6MgEJjau7wsehw6e6hYNsvnFlouDKMbmmdfUoRoubIqqRd+qyHmtdAnn6lR9YYZM51VtW+V0fc1fUla2+fgkg5GbsJ5AZ8wyOxWzGzokeeacGiJKAYN4ZivRZPT1XWxudy4UzPpd6bLpl6Xv3lCo7TTJEHtFWDG7jnmwYiYf0+GNbDrErlO6upPuuoN0mulQ11NtVhWQOkQuMTJ2w== 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=mS90+hDWkoQMXjPoyhb+n53wP1Mdv1F1aMvPO5wD5Ho=; b=JL8ucRKSYAZfwwbpxZJDD7hRNoRC/KMe6IF85abQA2nHXvNRJDkOEnIZyJPM5uuA6Y2HVfLszohCzqmin8lce6yApykOye6LXF9PxXdoUV1fQUt5Jd8da+jfN03Sblz1yRINhdYfRoGPh2HCFeRtUahyz6p8GRT8TMYcsdvfXoSTREJPugocQyb5HzG28bxtC7NphjMprIqwC4kXHjmypuPoBLB8mMZtvFEHyhRryYV7jCv5JuVJweLCAkPTTtnCWpgt6DHem+X+LDgTZ2u054KqtfCXonZIqIx41Khh8Qgh6fdYrvrKZayRh7hhF41n7MzRneDMeR0tnsV9P8FQMw== 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=mS90+hDWkoQMXjPoyhb+n53wP1Mdv1F1aMvPO5wD5Ho=; b=iyWIS4BItjEe5YO5pnJ29E0waSsLARzUrf5pOOeydaUNYUS+iMH+OcBf+I7Ib05XtCFWPHR0KAImNVNs4J1MPoLRe0dDR3EbOlLMMSyLGvAa5vTBHUsGdo2fJ8SoQwbDdHxLUBnhZtJOelmeKSijLHui2DTzklbAnaaxTmd79L39OZvsyOGiQfaTJzccS2G2RveB6eIXy45S0mEERtFjJ9rNuZD0rnCk0wJEPp9qTzuf14WQni7fNKXSWX7KVFM1WOuanTaW2CBCoaEQbfhLgczJz61+xJQAl776g80eplrv2kxJIPw4VoCgmDWBMIFyIJe0t1z3FKe+7vhhoqLAiQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from CY1PR12MB9601.namprd12.prod.outlook.com (2603:10b6:930:107::16) by BY5PR12MB4195.namprd12.prod.outlook.com (2603:10b6:a03:200::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9913.11; Tue, 12 May 2026 12:45:23 +0000 Received: from CY1PR12MB9601.namprd12.prod.outlook.com ([fe80::cd76:b497:475f:4de3]) by CY1PR12MB9601.namprd12.prod.outlook.com ([fe80::cd76:b497:475f:4de3%5]) with mapi id 15.20.9913.009; Tue, 12 May 2026 12:45:23 +0000 Date: Tue, 12 May 2026 09:45:20 -0300 From: Jason Gunthorpe To: fangyu.yu@linux.alibaba.com Cc: joro@8bytes.org, alex@ghiti.fr, anup@brainfault.org, aou@eecs.berkeley.edu, baolu.lu@linux.intel.com, guoren@kernel.org, iommu@lists.linux.dev, kevin.tian@intel.com, kvm-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, nutty.liu@hotmail.com, palmer@dabbelt.com, pjw@kernel.org, robin.murphy@arm.com, tjeznach@rivosinc.com, vasant.hegde@amd.com, will@kernel.org, kernel test robot Subject: Re: Re: [PATCH v3 0/2] iommu/riscv: Support Svpbmt memory types in generic_pt Message-ID: <20260512124520.GH1116784@nvidia.com> References: <20260512075339.18339-1-fangyu.yu@linux.alibaba.com> Content-Disposition: inline In-Reply-To: <20260512075339.18339-1-fangyu.yu@linux.alibaba.com> X-ClientProxiedBy: YT3PR01CA0025.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:86::29) To CY1PR12MB9601.namprd12.prod.outlook.com (2603:10b6:930:107::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY1PR12MB9601:EE_|BY5PR12MB4195:EE_ X-MS-Office365-Filtering-Correlation-Id: 1ac02bd0-9de5-461e-eae0-08deb024556a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|7416014|376014|11063799003|22082099003|18002099003|56012099003; X-Microsoft-Antispam-Message-Info: hbwu5uaqN+4JY08dG7GmV+t+UixAGxDAYPWJVwUPlG3Ohok3APFLa+u4HLOYRYid8qjkmXlSWM/QW1XeGnpIJl48Zgu7xEAerleircvBOdJdRRl141ufgy38qnx9QFnZiV07r8ZlKlN9zXP8ltBeEoq0xGppv6lvhh5czQv4kOBcNC3ywKjLTaSNiQp/u7F4dPaMWHiU7mWBQfwAOXEL3Bgh9ljJR2PMB+vbHTZ4tS0hzESdMGRJ+C4SbQM9wURO3OoUDVMP804WkWgw0fbYb9eh6ft+XxLjhk4BlggKWE6o7Ib0lEBkWMaQ26OAFMj72DeERBD4SEmSEET4f701ssItt3StcUz7b95RWVi24m26WzqcJEV+y1j4myBVe+wAoZmD+z7/SK+VyqMgA+hJBh47ScmqOBcvL3tFH3QqVkpcd/a/beE14Wuy64XqFihiICT28R2zZHx54aF9zSWKPFQvs5E4ndssNCoHF5sosBuslAtrPDcDl4nMnxJoUb4/X2EJ3hsDdES08McMqDHPYRcMSxSi4CoBPLN7HCtk9f3OoBszCwfG5PowDru155QMts2ijbsBd4JGLOcxcOc17dYAf8oEyxACxOEkZkQEmiGyi7kU7UaBdgAQ7XuNRv3whPVUtHFLwbZpCICD6uH00/eJMUz0br6Aw/Z3rL4LzbX9QU6tCZQ5EAsbQ162hVrl X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CY1PR12MB9601.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(7416014)(376014)(11063799003)(22082099003)(18002099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?OW1pNTRpeFI2RjdxTUF1aG84b0NsVzI3QmZFcEwxVGw1WG56c3ZSV0Raa0do?= =?utf-8?B?Z2NxcHg4QVVRRXFKeUVZb2NQTTAwYWt0d0ZIZnBYdFhFNEFyT3VUOEhMTUNY?= =?utf-8?B?dHppRFJqQ0JsRzBBdGQ5U0ZRWnpOaFBWZklyS3dMSG9iM3NhYVMvS29JOHpi?= =?utf-8?B?ZStyQjBBQ05DVXdBRmlaRGNycEdtWkQ3amZVOHdtaFVwakFFbnZDWm4vbXBu?= =?utf-8?B?VXRwMzNVeFZHeUpvTWNCam5OMXVNZE1oMjlIZUsybEFxanFtb0xEbUdybXdY?= =?utf-8?B?anppQ2hNOXkxd0lrTnBXK3N3RlFqNnRYQXRBQUpUaE1obHpPTVFHUUpkenBV?= =?utf-8?B?Ky81anQ2SWswSXdBazA2bGRLS0lvdVJld082djNqeGtiRjdpNndOWnFvU3Jp?= =?utf-8?B?bVdXRWxDSG41UXcyaC81N3RLemZtUzJ6a1NVVEo3Sks4aFEzWDNSTlZRMDRh?= =?utf-8?B?ektoY2ZsVEs1Q0hVNmpNMHJNS0NFRnBQaW9Fem9wSFZlMXprN0dhZ1hUWEtB?= =?utf-8?B?MUYxRXNWcVlTNVVySGFoWTdteEpBWTRNTko1NFFvZXN0V2FaTnFmNkVScnZE?= =?utf-8?B?dUVJV2VDVG5zakg3OUZ6clhhSU9ySkJzclZkQUZWZlNqcGpwMVkrWko1dHBl?= =?utf-8?B?YmpRUzg3bExDckVsb2ErOE04UlM4amU5eFZmTmVmT3duVDJjaHNkWWVnVTVv?= =?utf-8?B?bHkvM05kdVEvSGNsbjN3VlhaaTZscDZKcEY3Q242cGJtQVYzQWt4NzBMRnEz?= =?utf-8?B?QWkvSi9SaGkrWFBZQy9RN3JpRHk2UFgyRUpmdVNQWjdkYjA4QXRHYzkvaXFO?= =?utf-8?B?ckJ5SDIvNi9qeTBveGlVcDRSSmVmTWRud01JODVVRjdYcFRJeDVnbythODlI?= =?utf-8?B?VlZ1TE96Wnk3R2F1bXpGTnZNSTVYU3I1V0lBTzY5MEdNdE9UZ1pXVjdCQ0xs?= =?utf-8?B?QXI1ZlV4Y0VBakZNTmxJNWxEdWV3VGtwdk1zTGN1Q3J5bkp4RzBZd0xRSGp6?= =?utf-8?B?T0dmb241bzdRTUlhazNpY293L3UvcnJML09sYStuRmw3RFNJeitkemtYanVJ?= =?utf-8?B?ZjRzR1poeHR5QTh0QUw5QWUwWXhDT2kyMEN4Z2Zzd1g2dDM1YnVhcVFYNysy?= =?utf-8?B?dkJVajN3STdYRUJBRzJEaGlCQ0FxdnoyWUxTZ0NVblZXVkltcXFETGlEMHRD?= =?utf-8?B?eWZWMy9CUmtheUt3aUdEM04wVXN4YzAyUThJUlRJSUpnV1hHcG1jVklOMVEv?= =?utf-8?B?UkJTRXMzczBpeXRITkdLWkFNeDhucVJlcmpJc2pLOFpvYURyeGlvQ3RKWmVs?= =?utf-8?B?K0MvNUpSTDB0Y1d5VlBiNU05akI5QWJSL3QwMmVsS1ErWW91Z09BUndqaEFR?= =?utf-8?B?K0h4T1MrRFd1TlFvL1JUUXBVWk52TmV2WkdXL2F0bFJXYnFObnh6eDdYRDdt?= =?utf-8?B?SjhzSWZJZFdpb2NxVzNPejRZTkgxWjR0U2pUeWk4RjlYRjRSNzZhbE85Sy90?= =?utf-8?B?LytrdnFrWWY0RVhmMXhtWmFYREpJV2QwVDk3U0wyd21NdVY0SldKVkNQR3pV?= =?utf-8?B?SkJManpKazh0NXUrOFVaSURadys1bkhONmhaQ1RQcGFieGtCWHo5STY1Vzdu?= =?utf-8?B?bzFvT1ZCYTZVZzVQVVlqQUwzME5MS2FFODNXYUphLzVha0dVWVpEZG1KYWZx?= =?utf-8?B?WGMrTnQyUWhialdjeUtoZ0MxMGRCaTZ1MENhY1F5emlVNFI2NXUrQm9Tc1Jz?= =?utf-8?B?UmV0am9LNEo5ell1Mkt1ZXVJRUxQZi81Q2djOWJOMWxwMFRUUnNFemx3M0Z6?= =?utf-8?B?YXJOTTcvRjh0QmJsVitiWEZtOXU5VFR4eUZVeVdzYXVkWjhvWkhTUzVYVnFz?= =?utf-8?B?T1haMFZ4Z3pTSENhTDBqSTEwbEFFdnp0dzlOcVVMOENXbGZOK2ZxVHBqV1dJ?= =?utf-8?B?UjV3bG1laWFtRDNGSFRHMC95ZEEwbUlYbEJuMUg2ZlVpZWVxQ2loSk9KNmdL?= =?utf-8?B?R2FabXJ4MU56THE5QXNRSkdUWEpVVU05SWRUaWtKT25HZjdVekJkQkFDZkFF?= =?utf-8?B?Nkx0TVdyVHYvNzI3d3dTSHhHdkhlVUFVS1pkQUJMbzJXQW5naFFKbWRtRGt2?= =?utf-8?B?aEN5Yy8zYStIb0lIVEF1bUs2MFlxMEx1bm96R2RQUmNwcFVVaDBOYllvTzlE?= =?utf-8?B?ZkFlSDU4N0w5Y00yNU54OE9BYXowTkZJUFhsYW4wMTA5czA3eFRITFY0RVRH?= =?utf-8?B?Qk5hL01MMnlxNzlLYXBSeXc4elJydDl4Ky84NkNVNjBmcms4cmJ0RHlNR3Fx?= =?utf-8?Q?/TgF7WTV4VKkLPqsAj?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1ac02bd0-9de5-461e-eae0-08deb024556a X-MS-Exchange-CrossTenant-AuthSource: CY1PR12MB9601.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 May 2026 12:45:23.4557 (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: VS2DbdSqWhSf13tTdwYyPVKZ4ruW4peE+8UDMllWJ8fAIjp9oGWYcfATUIbS+wfR X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR12MB4195 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260512_054535_057790_DFD28559 X-CRM114-Status: GOOD ( 12.08 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gVHVlLCBNYXkgMTIsIDIwMjYgYXQgMDM6NTM6MzlQTSArMDgwMCwgZmFuZ3l1Lnl1QGxpbnV4 LmFsaWJhYmEuY29tIHdyb3RlOgo+ID4+IEZhbmd5dSBZdSAoMik6Cj4gPj4gICBpb21tdS9yaXNj djogQWR2ZXJ0aXNlIFN2cGJtdCBzdXBwb3J0IHRvIGdlbmVyaWMgcGFnZSB0YWJsZQo+ID4+ICAg aW9tbXVwdDogRW5jb2RlIElPTU1VX01NSU8vSU9NTVVfQ0FDSEUgdmlhIFJJU0MtViBTdnBibXQg Yml0cwo+ID4+Cj4gPj4gIGRyaXZlcnMvaW9tbXUvZ2VuZXJpY19wdC9mbXQvcmlzY3YuaCB8IDEx ICsrKysrKysrKystCj4gPj4gIGRyaXZlcnMvaW9tbXUvcmlzY3YvaW9tbXUuYyAgICAgICAgICB8 ICAyICsrCj4gPj4gIGluY2x1ZGUvbGludXgvZ2VuZXJpY19wdC9jb21tb24uaCAgICB8ICA0ICsr KysKPiA+PiAgMyBmaWxlcyBjaGFuZ2VkLCAxNiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0p Cj4gPgo+ID5BcHBsaWVkIHRoaXMgb25lIGluc3RlYWQgb2YgdjIuCj4gCj4gVGhhbmtzIGZvciB0 aGUgcmV2aWV3IGFuZCBmb3IgYXBwbHlpbmcgdGhpcyB2ZXJzaW9uLiBJ4oCZdmUgc2VudCBhIHY0 Cj4gdXBkYXRlIHRvIGZpeCB0aGUgMzItYml0IGJ1aWxkIHdhcm5pbmcsIHNvIHBsZWFzZSB1c2Ug dGhlIHY0IHNlcmllcwo+IGdvaW5nIGZvcndhcmQuCgpTaW5jZSBKb2VyZyBhbHJlYWR5IGFwcGxp ZWQgaXQgdGhlIG5vcm1hbCB0aGluZyBpcyB0byBzZW5kIGEgZml4dXAKcGF0Y2ggdG8gY29ycmVj dCB0aGUgYm90IHdhcm5pbmcKCkphc29uCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpsaW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKbGludXgtcmlzY3ZAbGlz dHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2xpbnV4LXJpc2N2Cg==