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Mon, 4 Dec 2023 17:44:00 -0800 Date: Mon, 4 Dec 2023 17:43:59 -0800 From: Nicolin Chen To: Jason Gunthorpe CC: , Joerg Roedel , , Robin Murphy , Will Deacon , Michael Shavit , Shameerali Kolothum Thodi Subject: Re: [PATCH v2 05/19] iommu/arm-smmu-v3: Consolidate the STE generation for abort/bypass Message-ID: References: <0-v2-de8b10590bf5+400-smmuv3_newapi_p1_jgg@nvidia.com> <5-v2-de8b10590bf5+400-smmuv3_newapi_p1_jgg@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5-v2-de8b10590bf5+400-smmuv3_newapi_p1_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS3PEPF000099D8:EE_|CH2PR12MB4181:EE_ X-MS-Office365-Filtering-Correlation-Id: d321b10e-cf40-4629-2c0d-08dbf533ad12 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:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230031)(4636009)(136003)(39860400002)(396003)(376002)(346002)(230922051799003)(186009)(82310400011)(64100799003)(1800799012)(451199024)(36840700001)(46966006)(40470700004)(54906003)(70586007)(70206006)(6636002)(316002)(478600001)(40460700003)(4744005)(5660300002)(41300700001)(2906002)(33716001)(86362001)(6862004)(8676002)(4326008)(8936002)(36860700001)(40480700001)(47076005)(7636003)(55016003)(356005)(26005)(426003)(82740400003)(336012)(9686003);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, Nov 13, 2023 at 01:53:12PM -0400, Jason Gunthorpe wrote: > This allows writing the flow of arm_smmu_write_strtab_ent() around abort > and bypass domains more naturally. > > Note that the core code no longer supplies NULL domains, though there is > still a flow in the driver that end up in arm_smmu_write_strtab_ent() with > NULL. A later patch will remove it. > > Remove the duplicate calculation of the STE in arm_smmu_init_bypass_stes() > and remove the force parameter. arm_smmu_rmr_install_bypass_ste() can now > simply invoke arm_smmu_make_bypass_ste() directly. > > 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