[PATCH] x86 DMA: Handle devices assigned to the guest by the host
Muli Ben-Yehuda
muli at il.ibm.com
Tue Apr 29 23:29:41 PDT 2008
On Tue, Apr 29, 2008 at 01:37:29PM +0300, Amit Shah wrote:
> dma_alloc_coherent() doesn't call dma_ops->alloc_coherent in case no
> IOMMU translations are necessary.
I always thought this was a huge wart in the x86-64 DMA ops. Would
there be strong resistance to fixing it so that alloc_coherent
matches the way the other ops are used? This will eliminate the need
for this patch and will make other DMA ops implementations saner.
Cheers,
Muli
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