RE: [PATCH v4 05/11] iommufd: Add domain_alloc_nested op to iommufd_viommu_ops

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To: Nicolin Chen <nicolinc@xxxxxxxxxx>, "jgg@xxxxxxxxxx" <jgg@xxxxxxxxxx>, "will@xxxxxxxxxx" <will@xxxxxxxxxx>
Subject: RE: [PATCH v4 05/11] iommufd: Add domain_alloc_nested op to iommufd_viommu_ops
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Fri, 25 Oct 2024 09:00:05 +0000
Accept-language: en-US
Cc: "joro@xxxxxxxxxx" <joro@xxxxxxxxxx>, "suravee.suthikulpanit@xxxxxxx" <suravee.suthikulpanit@xxxxxxx>, "robin.murphy@xxxxxxx" <robin.murphy@xxxxxxx>, "dwmw2@xxxxxxxxxxxxx" <dwmw2@xxxxxxxxxxxxx>, "baolu.lu@xxxxxxxxxxxxxxx" <baolu.lu@xxxxxxxxxxxxxxx>, "shuah@xxxxxxxxxx" <shuah@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "iommu@xxxxxxxxxxxxxxx" <iommu@xxxxxxxxxxxxxxx>, "linux-arm-kernel@xxxxxxxxxxxxxxxxxxx" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, "linux-kselftest@xxxxxxxxxxxxxxx" <linux-kselftest@xxxxxxxxxxxxxxx>, "eric.auger@xxxxxxxxxx" <eric.auger@xxxxxxxxxx>, "jean-philippe@xxxxxxxxxx" <jean-philippe@xxxxxxxxxx>, "mdf@xxxxxxxxxx" <mdf@xxxxxxxxxx>, "mshavit@xxxxxxxxxx" <mshavit@xxxxxxxxxx>, "shameerali.kolothum.thodi@xxxxxxxxxx" <shameerali.kolothum.thodi@xxxxxxxxxx>, "smostafa@xxxxxxxxxx" <smostafa@xxxxxxxxxx>, "Liu, Yi L" <yi.l.liu@xxxxxxxxx>, "aik@xxxxxxx" <aik@xxxxxxx>, "zhangfei.gao@xxxxxxxxxx" <zhangfei.gao@xxxxxxxxxx>, "patches@xxxxxxxxxxxxxxx" <patches@xxxxxxxxxxxxxxx>
In-reply-to: <1314e12b76edd84a8c9d0f14a6598538c8eeb50e.1729553811.git.nicolinc@nvidia.com>
Thread-index: AQHbJBhEStT9b4gACkql+Wf5TY/XjrKXMESg
Thread-topic: [PATCH v4 05/11] iommufd: Add domain_alloc_nested op to iommufd_viommu_ops

> From: Nicolin Chen <nicolinc@xxxxxxxxxx>
> Sent: Tuesday, October 22, 2024 8:19 AM
> 
> Allow IOMMU driver to use a vIOMMU object that holds a nesting parent
> hwpt/domain to allocate a nested domain.
> 
> Suggested-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

References:
- [PATCH v4 00/11] iommufd: Add vIOMMU infrastructure (Part-1)
  - From: Nicolin Chen
- [PATCH v4 05/11] iommufd: Add domain_alloc_nested op to iommufd_viommu_ops
  - From: Nicolin Chen

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