linux-kernel - Re: [PATCH 00/17] Add Intel VT-d nested translation

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Date:   Fri, 17 Feb 2023 10:20:25 -0800
From:   Nicolin Chen <nicolinc@...dia.com>
To:     Yi Liu <yi.l.liu@...el.com>
CC:     <joro@...tes.org>, <alex.williamson@...hat.com>, <jgg@...dia.com>,
        <kevin.tian@...el.com>, <robin.murphy@....com>,
        <cohuck@...hat.com>, <eric.auger@...hat.com>,
        <kvm@...r.kernel.org>, <mjrosato@...ux.ibm.com>,
        <chao.p.peng@...ux.intel.com>, <yi.y.sun@...ux.intel.com>,
        <peterx@...hat.com>, <jasowang@...hat.com>,
        <shameerali.kolothum.thodi@...wei.com>, <lulu@...hat.com>,
        <suravee.suthikulpanit@....com>, <iommu@...ts.linux.dev>,
        <linux-kernel@...r.kernel.org>, <linux-kselftest@...r.kernel.org>,
        <baolu.lu@...ux.intel.com>
Subject: Re: [PATCH 00/17] Add Intel VT-d nested translation

Hi Yi,

On Wed, Feb 08, 2023 at 08:31:36PM -0800, Yi Liu wrote:

> Nicolin Chen (6):
>   iommufd: Add/del hwpt to IOAS at alloc/destroy()
>   iommufd/device: Move IOAS attaching and detaching operations into
>     helpers
>   iommufd/selftest: Add IOMMU_TEST_OP_MOCK_DOMAIN_REPLACE test op
>   iommufd/selftest: Add coverage for IOMMU_HWPT_ALLOC ioctl
>   iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op
>   iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl
> 
> Yi Liu (6):
>   iommufd/hw_pagetable: Use domain_alloc_user op for domain allocation
>   iommufd: Split iommufd_hw_pagetable_alloc()
>   iommufd: Add kernel-managed hw_pagetable allocation for userspace
>   iommufd: Add infrastructure for user-managed hw_pagetable allocation
>   iommufd: Add user-managed hw_pagetable allocation

Just want to let you know that Jason made some major changes
in device/hw_pagetable and selftest (mock_domain):
https://github.com/jgunthorpe/linux/commits/iommufd_hwpt

So most of changes above need to be redone. I am now rebasing
the replace and the nesting series, and probably will finish
by early next week.

If you are reworking this series, perhaps can hold for a few
days at these changes.

Thanks
Nic