[PATCH v6 01/18] iommu/dma: Allow MSI-only cookies

On 06/01/2017 11:59, Joerg Roedel wrote:

On Thu, Jan 05, 2017 at 07:04:29PM +0000, Eric Auger wrote:

quoted

 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.

Sure

Thank you for the review.

Best regards

Eric

	Joerg