On Mon, Jan 05, 2009 at 11:36:05PM +0900, FUJITA Tomonori wrote: > This patchset is the first part of the unification of ways to handle > multiple sets of dma mapping API. The whole work consists of three > patchset. This is for IA64 and can be applied independently. > > dma_mapping_ops (or dma_ops) struct is used to handle multiple sets of > dma mapping API by X86, SPARC, and POWER. IA64 also handle multiple > sets of dma mapping API but in a very different way (some define > magic). > > X86 and IA64 share VT-d and SWIOTLB code. We need several workarounds > for it because of the deference of ways to handle multiple sets of dma > mapping API (e.g., X86 people can't freely change struct > dma_mapping_ops in x86's dma-mapping.h now because it could break > IA64). Seems POWER will use SWIOTLB code soon. I think that it's time > to unify ways to handle multiple sets of dma mapping API. After > applying the whole work, we have struct dma_map_ops > include/linux/dma-mapping.h (I also dream of changing all the archs to > use SWIOTLB in order to remove the bounce code in the block and > network stacks...). > > This patchset changes IA64 to handle multiple sets of dma mapping API > in the common way (as X86, SPARC, and POWER do): Do you have any plans to update sparc too? Maybe it is not relevant. Sam -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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