Hello, On Friday, June 24, 2011 11:18 AM Joerg Roedel wrote: > On Mon, Jun 20, 2011 at 09:50:05AM +0200, Marek Szyprowski wrote: > > This patch series is a continuation of my works on implementing generic > > IOMMU support in DMA mapping framework for ARM architecture. Now I > > focused on the DMA mapping framework itself. It turned out that adding > > support for common dma_map_ops structure was not that hard as I initally > > thought. After some modification most of the code fits really well to > > the generic dma_map_ops methods. > > I appreciate your progress on this generic dma_ops implementation. But > for now it looks very ARM specific. Do you have plans to extend it to > non-ARM iommu-api implementations too? These works are just a first step to create an environment for real iommu & dma-mapping integration. It is much easier to work on IOMMU integration once the dma-mapping operations can be easily changed for particular devices. dma_map_ops gives such flexibility. It is also a de-facto standard interface for other architectures so it was really desired to work on iommu implementation on top of dma_map_ops. Of course my patches will be ARM-centric, but I hope to isolate ARM-specific from generic parts, which can be easily reused on other platforms. Best regards -- Marek Szyprowski Samsung Poland R&D Center -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>