On Sat, Nov 12, 2011 at 11:04 AM, Stepan Moskovchenko <stepanm@xxxxxxxxxxxxxx> wrote: > Yes, the scatterlist is allowed to have different page sizes. But, they are > required to have a length that is a multiple of 4K. If a page in the list is An element in scatterlist may not be aligned by 4K but I think IOMMU driver must round it up to 4K if IOMMU API support iommu_map_range(). The first element in scatterlist is often not aligned by 4K if the pages are provided from userspace. Length + offset of the element must be aligned by 4K, though. Thank you, KyongHo. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
