Leon Woestenberg wrote: > Having dma_mmap_coherent() there is good for one or two archs, but how > can we built portable drivers if the others arch's are still missing? Easy: Resolve all issues, implement it for all the other arches, and add it to the official DMA API. > How would dma_mmap_coherent() look like on x86? X86 and some others are always coherent; just use vm_insert_page() or remap_page_range(). Regards, Clemens -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx 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>