RDMA/mlx5: Split mlx5_ib_update_xlt() into ODP and non-ODP cases

Browse source

Mixing these together is just a mess, make a dedicated version,
mlx5_ib_update_mr_pas(), which directly loads the whole MTT for a non-ODP
MR.

The split out version can trivially use a simple loop with
rdma_for_each_block() which allows using the core code to compute the MR
pages and avoids seeking in the SGL list after each chunk as the
__mlx5_ib_populate_pas() call required.

Significantly speeds loading large MTTs.

Link: https://lore.kernel.org/r/20201026132314.1336717-5-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

...

This commit is contained in:

Jason Gunthorpe 2020-10-26 15:23:13 +02:00

parent 8010d74b99

commit f1eaac37da

3 changed files with 90 additions and 109 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

64

drivers/infiniband/hw/mlx5/mem.c

View file

3

drivers/infiniband/hw/mlx5/mlx5_ib.h

View file

132

drivers/infiniband/hw/mlx5/mr.c

View file