linux-kernel - Re: [PATCH v8 4/4] vfio: Support IO page table replacement

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Message-ID: <ZMFSNgZgGVV4LXDC@nvidia.com>
Date:   Wed, 26 Jul 2023 14:04:54 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Nicolin Chen <nicolinc@...dia.com>
Cc:     kevin.tian@...el.com, alex.williamson@...hat.com,
        yi.l.liu@...el.com, joro@...tes.org, will@...nel.org,
        robin.murphy@....com, shuah@...nel.org,
        linux-kernel@...r.kernel.org, iommu@...ts.linux.dev,
        kvm@...r.kernel.org, linux-kselftest@...r.kernel.org,
        mjrosato@...ux.ibm.com, farman@...ux.ibm.com
Subject: Re: [PATCH v8 4/4] vfio: Support IO page table replacement

On Mon, Jul 24, 2023 at 12:47:07PM -0700, Nicolin Chen wrote:
> Now both the physical path and the emulated path should support an IO page
> table replacement. Call iommufd_device_replace/iommufd_access_replace(),
> when vdev->iommufd_attached is true.
> 
> Also update the VFIO_DEVICE_ATTACH_IOMMUFD_PT kdoc in the uAPI header.
> 
> Reviewed-by: Kevin Tian <kevin.tian@...el.com>
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>
> ---
>  drivers/vfio/iommufd.c    | 11 ++++++-----
>  include/uapi/linux/vfio.h |  6 ++++++
>  2 files changed, 12 insertions(+), 5 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason