On Wed, Oct 04, 2017 at 08:59:24AM +, David Laight wrote:
> Are you sure about this one?
Yes. And if you are not you haven't read either of the cover letter,
the DMA-API documentation, or the reply from Thomas to your mail
yesterday.
___
iommu
From: Christoph Hellwig
> Sent: 03 October 2017 11:43
>
> ia64 does not implement DMA_ATTR_NON_CONSISTENT allocations, so it doesn't
> make any sense to do any work in dma_cache_sync given that it must be a
> no-op when dma_alloc_attrs returns coherent memory.
>
> Signed-off-by: Christoph Hellwig
ia64 does not implement DMA_ATTR_NON_CONSISTENT allocations, so it doesn't
make any sense to do any work in dma_cache_sync given that it must be a
no-op when dma_alloc_attrs returns coherent memory.
Signed-off-by: Christoph Hellwig
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arch/ia64/include/asm/dma-mapping.h | 5 -