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

[Auger Eric]

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

Sure

Thank you for the review.

Best regards

Eric
> 
> 
> 
> 	Joerg
>