RE: [PATCH v10 4/6] iommufd: Add iommufd_access_replace() API

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Subject: RE: [PATCH v10 4/6] iommufd: Add iommufd_access_replace() API
From: "Tian, Kevin" <kevin.tian@xxxxxxxxx>
Date: Fri, 28 Jul 2023 04:23:31 +0000
Accept-language: en-US
Cc: "Liu, Yi L" <yi.l.liu@xxxxxxxxx>, "joro@xxxxxxxxxx" <joro@xxxxxxxxxx>, "will@xxxxxxxxxx" <will@xxxxxxxxxx>, "robin.murphy@xxxxxxx" <robin.murphy@xxxxxxx>, "alex.williamson@xxxxxxxxxx" <alex.williamson@xxxxxxxxxx>, "shuah@xxxxxxxxxx" <shuah@xxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "iommu@xxxxxxxxxxxxxxx" <iommu@xxxxxxxxxxxxxxx>, "kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, "linux-kselftest@xxxxxxxxxxxxxxx" <linux-kselftest@xxxxxxxxxxxxxxx>, "mjrosato@xxxxxxxxxxxxx" <mjrosato@xxxxxxxxxxxxx>, "farman@xxxxxxxxxxxxx" <farman@xxxxxxxxxxxxx>
In-reply-to: <50da1150e2a4b7bfb51db91f72db9a4dacd4f918.1690488745.git.nicolinc@nvidia.com>
References: <cover.1690488745.git.nicolinc@nvidia.com> <50da1150e2a4b7bfb51db91f72db9a4dacd4f918.1690488745.git.nicolinc@nvidia.com>

> From: Nicolin Chen <nicolinc@xxxxxxxxxx>
> Sent: Friday, July 28, 2023 4:25 AM
> 
> Taking advantage of the new iommufd_access_change_ioas_id helper, add
> an
> iommufd_access_replace() API for VFIO emulated pathway to use.
> 
> Suggested-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Nicolin Chen <nicolinc@xxxxxxxxxx>

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

References:
- [PATCH v10 0/6] Add IO page table replacement support
  - From: Nicolin Chen
- [PATCH v10 4/6] iommufd: Add iommufd_access_replace() API
  - From: Nicolin Chen

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