Subject: [Xen-devel] [PATCH 2/8] xen: Make clear that swiotlb and biomerge are dealing with DMA address

From: [email-masked] (Julien Grall)
Date: Tue, 28 Jul 2015 17:06:02 +0100

Hi David,

On 28/07/15 16:52, David Vrabel wrote:
> On 28/07/15 16:02, Julien Grall wrote:
>>
>> +/* Pseudo-physical <-> DMA conversion */
>> +static inline unsigned long pfn_to_dfn(unsigned long pfn)
> 
> Use BFN for bus frame number.  This is the terminology that is used in
> the (proposed) pv-iommu hypercall.

Good idea, I will use them in the next version.

Regards,

-- 
Julien Grall