On Fri, Nov 29, 2013 at 11:51:45PM +0900, Akinobu Mita wrote:
> The DMA Contiguous Memory Allocator support on x86 is disabled when
> swiotlb config option is enabled. So DMA CMA is always disabled on
> x86_64 because swiotlb is always enabled. This attempts to support
> for DMA CMA with enabling
> This also needs to change .free callback in the dma_map_ops for amd_gart
> and sta2x11, because these dma_ops are also using
> dma_generic_alloc_coherent().
Looks good to me from a quick read.
-Andi
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The DMA Contiguous Memory Allocator support on x86 is disabled when
swiotlb config option is enabled. So DMA CMA is always disabled on
x86_64 because swiotlb is always enabled. This attempts to support
for DMA CMA with enabling swiotlb config option.
The contiguous memory allocator on x86 is int
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