linux-kernel - RE: [PATCH v6 00/10] iommufd: Add nesting infrastructure (part 1/2)

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Date:   Wed, 25 Oct 2023 07:32:20 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Jason Gunthorpe <jgg@...dia.com>, "Liu, Yi L" <yi.l.liu@...el.com>
CC:     "joro@...tes.org" <joro@...tes.org>,
        "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "baolu.lu@...ux.intel.com" <baolu.lu@...ux.intel.com>,
        "cohuck@...hat.com" <cohuck@...hat.com>,
        "eric.auger@...hat.com" <eric.auger@...hat.com>,
        "nicolinc@...dia.com" <nicolinc@...dia.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "mjrosato@...ux.ibm.com" <mjrosato@...ux.ibm.com>,
        "chao.p.peng@...ux.intel.com" <chao.p.peng@...ux.intel.com>,
        "yi.y.sun@...ux.intel.com" <yi.y.sun@...ux.intel.com>,
        "peterx@...hat.com" <peterx@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "shameerali.kolothum.thodi@...wei.com" 
        <shameerali.kolothum.thodi@...wei.com>,
        "lulu@...hat.com" <lulu@...hat.com>,
        "suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        "Duan, Zhenzhong" <zhenzhong.duan@...el.com>,
        "Martins, Joao" <joao.m.martins@...cle.com>
Subject: RE: [PATCH v6 00/10] iommufd: Add nesting infrastructure (part 1/2)

> From: Jason Gunthorpe <jgg@...dia.com>
> Sent: Wednesday, October 25, 2023 1:56 AM
> 
> On Tue, Oct 24, 2023 at 08:05:59AM -0700, Yi Liu wrote:
> 
> > Jason Gunthorpe (2):
> >   iommufd: Rename IOMMUFD_OBJ_HW_PAGETABLE to
> IOMMUFD_OBJ_HWPT_PAGING
> >   iommufd/device: Wrap IOMMUFD_OBJ_HWPT_PAGING-only
> configurations
> >
> > Lu Baolu (1):
> >   iommu: Add IOMMU_DOMAIN_NESTED
> >
> > Nicolin Chen (6):
> >   iommufd: Derive iommufd_hwpt_paging from iommufd_hw_pagetable
> >   iommufd: Share iommufd_hwpt_alloc with
> IOMMUFD_OBJ_HWPT_NESTED
> >   iommufd: Add a nested HW pagetable object
> >   iommu: Add iommu_copy_struct_from_user helper
> >   iommufd/selftest: Add nested domain allocation for mock domain
> >   iommufd/selftest: Add coverage for IOMMU_HWPT_ALLOC with nested
> HWPTs
> >
> > Yi Liu (1):
> >   iommu: Pass in parent domain with user_data to domain_alloc_user op
> 
> I made the changes noted in the thread and pushed this to linux-next
> 

this looks good overall except a small error. For the whole series with
your changes:

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