RE: [Xen-merge] AMD64 dma-mapping

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

> > Is there a particular reason that Xen merge doesn't want
> > to use lib/swiotlb.c and instead prefers
> > arch/i386/kernel/swiotlb.c instead?
> 
> Yeah - it's substantially different. I hope the differences 
> can be narrowed down and code duplication minimized, possibly 
> with judicious use of dma-ops, but that will wait until the 
> merge happens.

The differences are substantial enough that pci-gart.c
needs several functions that are only in lib/swiotlb.c.
Is xen-merge going to move up to 2.6.16 soon or should
I just figure out the Makefile magic to get x86_64 to
compile with lib/swiotlb.c if CONFIG_IOMMU_GART is
defined and arch/i386/kernel/swiotlb.c if it isn't?

-Mark Langsdorf
AMD, Inc.


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