On Sat, Nov 03, 2007 at 02:05:39AM +0900, FUJITA Tomonori wrote: > This patchset convert the PPC64 IOMMU to use the iova code for free > area management. > > The IOMMUs ignores low level drivers' restrictions, the maximum > segment size and segment boundary. > > I fixed the former: > > http://thread.gmane.org/gmane.linux.scsi/35602 > > The latter makes the free area management complicated. I'd like to > convert IOMMUs to use the iova code (that intel-iommu introduced) > for free area management and enable iova to handle segment boundary > restrictions, rather than fixing all the IOMMUs' free area > management, In general it sounds like a great idea, but have you looked at what impact this has on the performance of the IO path? Cheers, Muli - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
