On Fri, Nov 30, 2018 at 2:59 PM Logan Gunthorpe <logang@xxxxxxxxxxxx> wrote: > > "mm-hmm-mark-hmm_devmem_add-add_resource-export_symbol_gpl.patch" in the > mm tree breaks p2pdma. The patch was written and reviewed before p2pdma > was merged so the necessary changes were not done to the call site in > that code. > > Without this patch, all drivers will fail to register P2P resources > because devm_memremap_pages() will return -EINVAL due to the 'kill' > member of the pagemap structure not yet being set. > > Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>