[Xen-devel] [PATCH][retry 3] Make x86_64 swiotlb code to support dma_ops [2/2]

["Langsdorf, Mark" <mark.langsdorf@xxxxxxx>]

This patch set makes the x86_64 swiotlb code work 
with dma_ops.

The first patch creates the 
arch/x86_64/kernel/pci-dma-xen.c file based on the 
standard pci-dma.c.

The second patch modifies 
arch/x86_64/kernel/pci-swiotlb-xen.c to work with 
dma_ops, and modifies arch/x86_64/kernel/pci-dma-xen.c
slightly to be Xen-safe by copying over some functions
from arch/i386/kernel/pci-dma-xen.c

Signed-off-by: Mark Langsdorf <mark.langsdorf@xxxxxxx>

-Mark Langsdorf
AMD, Inc.



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