Messages in this thread | | | Date | Wed, 20 Nov 2013 15:47:38 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86: enable DMA CMA with swiotlb |
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On 11/19/2013 03:32 PM, 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 swiotlb config option.
What is the use case?
-hpa
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