On Thu, Jan 05, 2017 at 07:04:29PM +0000, Eric Auger wrote:
> struct iommu_dma_cookie {
> - struct iova_domain iovad;
> - struct list_head msi_page_list;
> - spinlock_t msi_lock;
> + union {
> + struct iova_domain iovad;
> + dma_addr_t msi_iova;
> + };
> + struct list_head msi_page_list;
> + spinlock_t msi_lock;
> + enum iommu_dma_cookie_type type;
Please move the type to the beginning of the struct and add a comment
how the type relates to the union.
Joerg
