RE: [PATCH v8 7/8] iommu/vt-d: Add nested domain allocation

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To: "Liu, Yi L" <yi.l.liu@xxxxxxxxx>, "joro@xxxxxxxxxx" <joro@xxxxxxxxxx>, "alex.williamson@xxxxxxxxxx" <alex.williamson@xxxxxxxxxx>, "jgg@xxxxxxxxxx" <jgg@xxxxxxxxxx>, "robin.murphy@xxxxxxx" <robin.murphy@xxxxxxx>, "baolu.lu@xxxxxxxxxxxxxxx" <baolu.lu@xxxxxxxxxxxxxxx>
Subject: RE: [PATCH v8 7/8] iommu/vt-d: Add nested domain allocation
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Thu, 26 Oct 2023 05:24:24 +0000
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Cc: "cohuck@xxxxxxxxxx" <cohuck@xxxxxxxxxx>, "eric.auger@xxxxxxxxxx" <eric.auger@xxxxxxxxxx>, "nicolinc@xxxxxxxxxx" <nicolinc@xxxxxxxxxx>, "kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, "mjrosato@xxxxxxxxxxxxx" <mjrosato@xxxxxxxxxxxxx>, "chao.p.peng@xxxxxxxxxxxxxxx" <chao.p.peng@xxxxxxxxxxxxxxx>, "yi.y.sun@xxxxxxxxxxxxxxx" <yi.y.sun@xxxxxxxxxxxxxxx>, "peterx@xxxxxxxxxx" <peterx@xxxxxxxxxx>, "jasowang@xxxxxxxxxx" <jasowang@xxxxxxxxxx>, "shameerali.kolothum.thodi@xxxxxxxxxx" <shameerali.kolothum.thodi@xxxxxxxxxx>, "lulu@xxxxxxxxxx" <lulu@xxxxxxxxxx>, "suravee.suthikulpanit@xxxxxxx" <suravee.suthikulpanit@xxxxxxx>, "iommu@xxxxxxxxxxxxxxx" <iommu@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "linux-kselftest@xxxxxxxxxxxxxxx" <linux-kselftest@xxxxxxxxxxxxxxx>, "Duan, Zhenzhong" <zhenzhong.duan@xxxxxxxxx>, "Martins, Joao" <joao.m.martins@xxxxxxxxxx>, "Zeng, Xin" <xin.zeng@xxxxxxxxx>
In-reply-to: <20231026044216.64964-8-yi.l.liu@intel.com>
Thread-index: AQHaB8baDukoOEgD/ESJ34Xy2HVN37BbiZeg
Thread-topic: [PATCH v8 7/8] iommu/vt-d: Add nested domain allocation

> From: Liu, Yi L <yi.l.liu@xxxxxxxxx>
> Sent: Thursday, October 26, 2023 12:42 PM
> 
> From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> 
> This adds the support for IOMMU_HWPT_DATA_VTD_S1 type. And
> 'nested_parent'
> is added to mark the nested parent domain to sanitize the input parent
> domain.
> 
> Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx>
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

I have given my r-b on this when replying to Jason's change in
last version.

Follow-Ups:
- Re: [PATCH v8 7/8] iommu/vt-d: Add nested domain allocation
  - From: Jason Gunthorpe

References:
- [PATCH v8 0/8] Add Intel VT-d nested translation (part 1/2)
  - From: Yi Liu
- [PATCH v8 7/8] iommu/vt-d: Add nested domain allocation
  - From: Yi Liu

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