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Tue, 1 Nov 2022 02:19:06 -0700 Date: Tue, 1 Nov 2022 02:19:04 -0700 From: Nicolin Chen To: "Tian, Kevin" CC: Jason Gunthorpe , Alexander Gordeev , David Airlie , Tony Krowiak , Alex Williamson , Christian Borntraeger , Cornelia Huck , Daniel Vetter , Diana Craciun , "dri-devel@lists.freedesktop.org" , Eric Auger , "Eric Farman" , Harald Freudenberger , Vasily Gorbik , Heiko Carstens , "intel-gfx@lists.freedesktop.org" , "intel-gvt-dev@lists.freedesktop.org" , "iommu@lists.linux.dev" , Jani Nikula , Jason Herne , "Joonas Lahtinen" , Joerg Roedel , "kvm@vger.kernel.org" , "linux-s390@vger.kernel.org" , Longfang Liu , "Matthew Rosato" , Peter Oberparleiter , Halil Pasic , Robin Murphy , "Vivi, Rodrigo" , Shameer Kolothum , Sven Schnelle , Tvrtko Ursulin , Vineeth Vijayan , Will Deacon , Yishai Hadas , Zhenyu Wang , "Wang, Zhi A" , Lu Baolu , "Liu, Yi L" Subject: Re: [PATCH 06/10] vfio-iommufd: Allow iommufd to be used in place of a container fd Message-ID: References: <0-v1-4991695894d8+211-vfio_iommufd_jgg@nvidia.com> <6-v1-4991695894d8+211-vfio_iommufd_jgg@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Nov 2022 09:19:12.7234 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0ad75108-9150-41a1-db59-08dabbea2410 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT096.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4412 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On Tue, Nov 01, 2022 at 08:09:52AM +0000, Tian, Kevin wrote: > > From: Jason Gunthorpe > > Sent: Wednesday, October 26, 2022 2:51 AM > > > > menuconfig VFIO > > tristate "VFIO Non-Privileged userspace driver framework" > > select IOMMU_API > > + depends on IOMMUFD || !IOMMUFD > > Out of curiosity. What is the meaning of this dependency claim? 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Tue, 1 Nov 2022 02:19:06 -0700 Date: Tue, 1 Nov 2022 02:19:04 -0700 From: Nicolin Chen To: "Tian, Kevin" Subject: Re: [PATCH 06/10] vfio-iommufd: Allow iommufd to be used in place of a container fd Message-ID: References: <0-v1-4991695894d8+211-vfio_iommufd_jgg@nvidia.com> <6-v1-4991695894d8+211-vfio_iommufd_jgg@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT096:EE_|MW3PR12MB4412:EE_ X-MS-Office365-Filtering-Correlation-Id: 0ad75108-9150-41a1-db59-08dabbea2410 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:216.228.118.233; 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What is the meaning of this dependency claim? 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Tue, 1 Nov 2022 02:19:06 -0700 Date: Tue, 1 Nov 2022 02:19:04 -0700 From: Nicolin Chen To: "Tian, Kevin" Message-ID: References: <0-v1-4991695894d8+211-vfio_iommufd_jgg@nvidia.com> <6-v1-4991695894d8+211-vfio_iommufd_jgg@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT096:EE_|MW3PR12MB4412:EE_ X-MS-Office365-Filtering-Correlation-Id: 0ad75108-9150-41a1-db59-08dabbea2410 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:216.228.118.233; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc7edge2.nvidia.com; CAT:NONE; SFS:(13230022)(4636009)(346002)(136003)(39860400002)(396003)(376002)(451199015)(36840700001)(46966006)(40470700004)(41300700001)(7406005)(2906002)(7416002)(5660300002)(70586007)(54906003)(316002)(8676002)(70206006)(6916009)(4744005)(4326008)(40480700001)(55016003)(966005)(8936002)(7636003)(356005)(478600001)(82740400003)(336012)(36860700001)(426003)(47076005)(26005)(186003)(86362001)(9686003)(40460700003)(82310400005)(33716001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Nov 2022 09:19:12.7234 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0ad75108-9150-41a1-db59-08dabbea2410 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.233]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT096.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR12MB4412 Subject: Re: [Intel-gfx] [PATCH 06/10] vfio-iommufd: Allow iommufd to be used in place of a container fd X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "kvm@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , Vineeth Vijayan , Diana Craciun , Alexander Gordeev , David Airlie , Longfang Liu , "linux-s390@vger.kernel.org" , "Liu, Yi L" , Matthew Rosato , Will Deacon , Joerg Roedel , Halil Pasic , "iommu@lists.linux.dev" , Jason Gunthorpe , Christian Borntraeger , "intel-gfx@lists.freedesktop.org" , Jason Herne , Eric Farman , Vasily Gorbik , Heiko Carstens , Eric Auger , Harald Freudenberger , "Vivi, Rodrigo" , "intel-gvt-dev@lists.freedesktop.org" , Tony Krowiak , Yishai Hadas , Cornelia Huck , Peter Oberparleiter , Shameer Kolothum , Sven Schnelle , Daniel Vetter , Robin Murphy , Lu Baolu Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Tue, Nov 01, 2022 at 08:09:52AM +0000, Tian, Kevin wrote: > > From: Jason Gunthorpe > > Sent: Wednesday, October 26, 2022 2:51 AM > > > > menuconfig VFIO > > tristate "VFIO Non-Privileged userspace driver framework" > > select IOMMU_API > > + depends on IOMMUFD || !IOMMUFD > > Out of curiosity. What is the meaning of this dependency claim? "is it a module or not" -- from https://lwn.net/Articles/683476/