On 2021-09-08 9:25 p.m., Wang Lu wrote: > The bus offset is bus address - physical address, > so the calculation in __pci_p2pdma_map_sg should be: > bus address = physical address + bus offset. > > Signed-off-by: Wang Lu <wanglu@xxxxxxxxxxxx> Thanks, yes I believe my math was wrong here. It was never tested on any machine that has a non-zero bus-offset. Reviewed-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
