On Mon, Aug 12, 2019 at 11:30:45AM -0600, Logan Gunthorpe wrote: > When upstream_bridge_distance() is called, store the method required to map > the DMA transfers in an xarray so it can be looked up efficiently on the > hot path in pci_p2pdma_map_sg(). > > Link: https://lore.kernel.org/r/20190730163545.4915-12-logang@xxxxxxxxxxxx > Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> > Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>
