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Thu, 22 Jun 2023 17:32:03 -0700 Date: Thu, 22 Jun 2023 17:32:01 -0700 From: Nicolin Chen To: Michael Shavit CC: Will Deacon , Robin Murphy , "Joerg Roedel" , , , , , , Subject: Re: [PATCH v4 09/13] iommu/arm-smmu-v3: Implement set_dev_pasid Message-ID: References: <20230621063825.268890-1-mshavit@google.com> <20230621063825.268890-10-mshavit@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230621063825.268890-10-mshavit@google.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT017:EE_|CYYPR12MB8703:EE_ X-MS-Office365-Filtering-Correlation-Id: 0d795f26-8be1-4ef4-7555-08db738149ab 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:(13230028)(4636009)(136003)(396003)(39860400002)(346002)(376002)(451199021)(36840700001)(40470700004)(46966006)(40480700001)(47076005)(5660300002)(4744005)(2906002)(26005)(8676002)(8936002)(186003)(9686003)(40460700003)(41300700001)(36860700001)(336012)(426003)(356005)(82310400005)(478600001)(82740400003)(7636003)(55016003)(86362001)(70586007)(70206006)(6916009)(316002)(4326008)(54906003)(33716001);DIR:OUT;SFP:1101; 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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 Hi Michael, On Wed, Jun 21, 2023 at 02:37:21PM +0800, Michael Shavit wrote: > > This change enables the use of the iommu_attach_dev_pasid API for > UNMANAGED domains. The primary use-case is to allow in-kernel users of > the iommu API to manage domains with PASID. This change also allows for > future support of pasid in the DMA api. Would you please elaborate a bit more for the use case of allowing that? And which test configuration do you cover using smmute? Would you mind sharing your test commands? I have run a sanity with this series using an SVA domain with a real master. It seems to be fine. Thanks Nicolin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel