> From: Liu, Yi L <yi.l.liu@xxxxxxxxx>
> Sent: Friday, January 20, 2023 1:58 PM
>
> struct iommu_option and struct iommu_vfio_ioas are missed in ucmd_buffer.
> Although they are smaller than the size of ucmd_buffer, it is safer to
> list them in ucmd_buffer explicitly.
>
> Fixes: aad37e71d5c4 ("iommufd: IOCTLs for the io_pagetable")
> Fixes: d624d6652a65 ("iommufd: vfio container FD ioctl compatibility")
> Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx>
> ---
> drivers/iommu/iommufd/main.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/iommu/iommufd/main.c
> b/drivers/iommu/iommufd/main.c
> index 083e6fcbe10a..1fbfda4b53bf 100644
> --- a/drivers/iommu/iommufd/main.c
> +++ b/drivers/iommu/iommufd/main.c
> @@ -255,6 +255,8 @@ union ucmd_buffer {
> struct iommu_ioas_iova_ranges iova_ranges;
> struct iommu_ioas_map map;
> struct iommu_ioas_unmap unmap;
> + struct iommu_option option;
> + struct iommu_vfio_ioas vfio_ioas;
> #ifdef CONFIG_IOMMUFD_TEST
> struct iommu_test_cmd test;
> #endif
while at it can you also add iommu_ioas_copy?
