On Wed, Nov 29, 2017 at 10:05:51AM -0800, Dan Williams wrote:
Until there is a solution to the dma-to-dax vs truncate problem it is not safe to allow RDMA to create long standing memory registrations against filesytem-dax vmas.
Cc: Sean Hefty sean.hefty@intel.com Cc: Doug Ledford dledford@redhat.com Cc: Hal Rosenstock hal.rosenstock@gmail.com Cc: Jeff Moyer jmoyer@redhat.com Cc: Ross Zwisler ross.zwisler@linux.intel.com Cc: Jason Gunthorpe jgunthorpe@obsidianresearch.com Cc: linux-rdma@vger.kernel.org Cc: stable@vger.kernel.org Fixes: 3565fce3a659 ("mm, x86: get_user_pages() for dax mappings") Reported-by: Christoph Hellwig hch@lst.de Reviewed-by: Christoph Hellwig hch@lst.de Signed-off-by: Dan Williams dan.j.williams@intel.com drivers/infiniband/core/umem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
No problem here with drivers/rdma. This will go through another tree with the rest of the series? In which case here is a co-maintainer ack for this patch:
Acked-by: Jason Gunthorpe jgg@mellanox.com
Dan, can you please update my address to jgg@ziepe.ca, thanks :)
Jason