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Mon, 10 Jun 2024 19:00:51 -0700 Date: Mon, 10 Jun 2024 19:00:50 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: , Joerg Roedel , , Robin Murphy , Will Deacon , Michael Shavit , , Ryan Roberts , Mostafa Saleh Subject: Re: [PATCH v2 03/10] iommu/arm-smmu-v3: Add arm_smmu_strtab_l1/2_idx() Message-ID: References: <0-v2-318ed5f6983b+198f-smmuv3_tidy_jgg@nvidia.com> <3-v2-318ed5f6983b+198f-smmuv3_tidy_jgg@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3-v2-318ed5f6983b+198f-smmuv3_tidy_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN1PEPF0000ECD6:EE_|PH7PR12MB7138:EE_ X-MS-Office365-Filtering-Correlation-Id: 555d244f-a99c-4e96-c18a-08dc89ba5dbc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|376005|36860700004|1800799015|82310400017; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?+nfbE0BaPwS8zwFnpdS/obndgnmpkbwBNoIjQyO7yZaQl48jQkXrglEmczLd?= =?us-ascii?Q?upWRmSMeTJ1c65pgWZg24AH6iKvyppLPkpcpWHgpGJP3OF3oCTzJ5uTQj3Hi?= =?us-ascii?Q?EuDefjjrtSekB/IHOxurM9qse69CwDZbmy1vrrmt/Mmvos+OC8xclUdmHg4F?= =?us-ascii?Q?PpavbV9orjTPS9GjJUSL6qgdNGoZsinS9Su18EaXqrcdqmlfOpImmhyJBk2p?= =?us-ascii?Q?mdP50yWFS7k67QTOZWfgRJLWjbikH6eoLbgvqzNI/6hPurgPesu1vEgzdbNr?= =?us-ascii?Q?ThAJRcgJdLT7Sgzm8FrSG97/D4qHBCLP9Qq591fgKdYacB8EWJ7f1e4O3DEh?= =?us-ascii?Q?67JaR/6bGXzTHfdJiDqZA0CH0+MCaXxFFT1MZpddFWjFwc6BztiPy9/xnRzH?= =?us-ascii?Q?++LfHnyMWP9Cp6MW7poJw+35SQf5HLiTqUt+7zUcTbx9wBK0YRUm4EsHokzV?= =?us-ascii?Q?Ectva3H2KbNT6VcrHFoLMS/XK74YFuD3bOZv2OFX8SI0PBS2Ik1fnDF1Rx1p?= =?us-ascii?Q?PnUoxXpDkJOdBif07EbA7+4EwtyRbSEtr9k9sQfPvUmy/udBffnNwtYZVXtu?= =?us-ascii?Q?Cf4O6Cb9RuiOEV8w7+68Y3h3xBNAbHTH7RBllOXtpwqMR7/4XEC8oVTpE3A4?= =?us-ascii?Q?+BjZIUdZKAZYNZc+saB4yfoSLNNFnTnhm40pLtH6G8RbxKlLrphHwCty/wjB?= =?us-ascii?Q?RDIJlhIC1unvBPa2pNcbFfefpK53Wo4O8sewOEEg7tdXgCHZ/8KvP4ONXfQ7?= =?us-ascii?Q?6KTuCjv5yn/pzblxE8z0JJ5Ptq8A5pVhpHBP+K+bjBgEmnQW1RcJWK56Zpeh?= =?us-ascii?Q?ZVL33mKRXZe8AAxRjsnnGqdT5Sq+ZwJLE8KWq2F0Yv/5O4WUXoA+nbL+h7Wx?= =?us-ascii?Q?K2WNZR2b2THut+WZqhtCq1mOsdi73fD2uIzoZgo6geRQDr0dGEDtxAZtmyIG?= =?us-ascii?Q?/oS4IpOynDAU0iHmliTiXWtbMrfDh0qwROtoROsT1WKrBwwVIf8IgSBSskKP?= =?us-ascii?Q?1WqFAWZfJmvlaV72IdBckuOHKLYK1NCqPhmI00nRAfsc/YrUs6YAlyx8ZdCR?= =?us-ascii?Q?FNI6VAmyt9GC9AVCpyv6D0l9Yp679/mMibxfQAk3EB7G0iMlcrtEbVDrMfUM?= =?us-ascii?Q?ICSDUc3BpqA0+lV5U7ehzkfWkEmK1sZe39Ex6ruEs3BeoD1wIWYBz1DOEVLf?= =?us-ascii?Q?VZx2Jq744eHoEVkqQ6y8rR+8M2MJXGsfyR1PrsyOXs/iFtalzYicQqrhKSKG?= =?us-ascii?Q?bOPkAZUGzkymNAlonOHJfATzzSxmtBxWuhc5GiYMe7xskwLXkprmlN03qwu8?= =?us-ascii?Q?xRZ2LwTTNPeP5zNfSAORWDRp3/vifa+ONhz/R4XcVF7qs740K4koHaDRrk7/?= =?us-ascii?Q?CP0howLvCY78fi5VKVOfi8hBbeM5xzr5vfPCnBhVRWUnW6wGSg=3D=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230031)(376005)(36860700004)(1800799015)(82310400017);DIR:OUT;SFP:1101; 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X-BeenThere: linux-arm-kernel@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="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jun 10, 2024 at 09:31:12PM -0300, Jason Gunthorpe wrote: > Don't open code the calculations of the indexes for each level, provide > two functions to do that math and call them in all the places. Update all > the places computing indexes. > > Calculate the L1 table size directly based on the max required index from > the cap. Remove STRTAB_L1_SZ_SHIFT in favour of STRTAB_NUM_L2_STES. > > Use STRTAB_NUM_L2_STES to replace remaining open coded 1 << STRTAB_SPLIT. > > Signed-off-by: Jason Gunthorpe Reviewed-by: Nicolin Chen _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel