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

To: Julien Grall <julien.grall@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: David Vrabel <david.vrabel@xxxxxxxxxx>
Date: Tue, 28 Jul 2015 16:52:06 +0100
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>, ian.campbell@xxxxxxxxxx, stefano.stabellini@xxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Ingo Molnar <mingo@xxxxxxxxxx>, David Vrabel <david.vrabel@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 28 Jul 2015 15:52:17 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

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.

David

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Follow-Ups:
- Re: [Xen-devel] [PATCH 2/8] xen: Make clear that swiotlb and biomerge are dealing with DMA address
  - From: Stefano Stabellini
- Re: [Xen-devel] [PATCH 2/8] xen: Make clear that swiotlb and biomerge are dealing with DMA address
  - From: Julien Grall

References:
- [Xen-devel] [PATCH 0/8] Use correctly the Xen memory terminologies in Linux
  - From: Julien Grall
- [Xen-devel] [PATCH 2/8] xen: Make clear that swiotlb and biomerge are dealing with DMA address
  - From: Julien Grall

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