Messages in this thread | | | Date | Mon, 24 Oct 2022 13:59:23 -0300 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v7 6/6] iommu/s390: Implement map_pages()/unmap_pages() instead of map()/unmap() |
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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@linux.ibm.com> > Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com> > --- > drivers/iommu/s390-iommu.c | 48 +++++++++++++++++++++++++------------- > 1 file changed, 32 insertions(+), 16 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
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