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From: "Tian, Kevin" <kevin.tian@intel.com>
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Subject: RE: [PATCH v7 3/9] iommu: Add iommu_copy_struct_from_user_array
 helper
Thread-Topic: [PATCH v7 3/9] iommu: Add iommu_copy_struct_from_user_array
 helper
Thread-Index: AQHaNCP1bnKnJ3W6HE653khWRkZV4bC0pL2g
Date: Fri, 22 Dec 2023 03:25:49 +0000
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References: <20231221153948.119007-1-yi.l.liu@intel.com>
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> From: Liu, Yi L <yi.l.liu@intel.com>
> Sent: Thursday, December 21, 2023 11:40 PM
>=20
> From: Nicolin Chen <nicolinc@nvidia.com>
>=20
> Wrap up the data pointer/num sanity and __iommu_copy_struct_from_user
> call for iommu drivers to copy driver specific data at a specific locatio=
n
> in the struct iommu_user_data_array, and
> iommu_respond_struct_to_user_array()
> to copy response to a specific location in the struct iommu_user_data_arr=
ay.
>=20
> And expect it to be used in cache_invalidate_user ops for example.
>=20
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> Co-developed-by: Yi Liu <yi.l.liu@intel.com>
> Signed-off-by: Yi Liu <yi.l.liu@intel.com>

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