Re: [PATCH v1 03/16] iommu: Add iommu_copy_struct_to_user helper

Jason Gunthorpe
2025-04-23T13:17:17Z

On Thu, Apr 10, 2025 at 11:37:42PM -0700, Nicolin Chen wrote:
> Similar to the iommu_copy_struct_from_user helper receiving data from the
> user space, add an iommu_copy_struct_to_user helper to report output data
> back to the user space data pointer.
>
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> ---
> include/linux/iommu.h | 40 ++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 40 insertions(+)

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

Jason