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SubjectRe: [PATCH] replace CONFIG_IOMMU with CONFIG_GART_IOMMU in iommu.h
On Sat, Jul 19, 2008 at 09:12:56PM +0900, FUJITA Tomonori wrote:
>
> I think that we need a common header file (iommu.h or whatever) for
> what everyone needs, pci_iommu_shutdown(), no_iommu_init(), etc.
>
> Anyway, I did more cleanups:
>
> http://lkml.org/lkml/2008/7/10/510
>
> or
>
> tip/x86/gart
>
> Let me know if you think we still need cleanups.

Now that you ask, I think the x86 DMA layer in general needs some rework
and cleanup. The implementation specific free_coherent function is never
called at the moment for example. For paravirtualized DMA we also need
some kind of stackable dma_ops according to Amit.

Joerg



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