Re: a question about DMA (realtek ethernet chip driver)

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Chan Kim <ckim@xxxxxxxxxx> :
[...]
> Is the data in sk_buf copied to the DMA ring somewhere? if it is, where in the code is it done?

See dma_map_* functions, Documentation/DMA-API*, lib/swiotlb.c and
drivers/iommu/iommu.c

-- 
Ueimor

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