On Fri, 2015-12-18 at 12:35 +1100, Alexey Kardashevskiy wrote:
> The vfio_iommu_spapr_tce_create struct has 4x32bit and 2x64bit fields
> which should have resulted in sizeof(fio_iommu_spapr_tce_create)
> equal
> to 32 bytes. However due to the gcc's default alignment, the actual
> size of this struct is 40 bytes.
>
> This fills gaps with __resv1/2 fields.
>
> This should not cause any change in behavior.
>
> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx>
> ---
Applied to next for v4.5 with David's ack. Thanks!
Alex
> include/uapi/linux/vfio.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
> index 9fd7b5d..d117233 100644
> --- a/include/uapi/linux/vfio.h
> +++ b/include/uapi/linux/vfio.h
> @@ -568,8 +568,10 @@ struct vfio_iommu_spapr_tce_create {
> __u32 flags;
> /* in */
> __u32 page_shift;
> + __u32 __resv1;
> __u64 window_size;
> __u32 levels;
> + __u32 __resv2;
> /* out */
> __u64 start_addr;
> };
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