On Mon, Oct 17, 2022 at 02:45:58PM +0200, Niklas Schnelle wrote: > While s390-iommu currently implements the map_page()/unmap_page() > operations which only map/unmap a single page at a time the internal > s390_iommu_update_trans() API already supports mapping/unmapping a range > of pages at once. Take advantage of this by implementing the > map_pages()/unmap_pages() operations instead thus allowing users of the > IOMMU drivers to map multiple pages in a single call followed by > a single I/O TLB flush if needed. > > Reviewed-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx> > Signed-off-by: Niklas Schnelle <schnelle@xxxxxxxxxxxxx> > --- > drivers/iommu/s390-iommu.c | 48 +++++++++++++++++++++++++------------- > 1 file changed, 32 insertions(+), 16 deletions(-) Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx> Jason
