IB/mlx5: Implement on demand paging by adding support for MMU notifiers

Browse source

* Implement the relevant invalidation functions (zap MTTs as needed)
* Implement interlocking (and rollback in the page fault handlers) for
  cases of a racing notifier and fault.
* With this patch we can now enable the capability bits for supporting RC
  send/receive/RDMA read/RDMA write, and UD send.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Shachar Raindel <raindel@mellanox.com>
Signed-off-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

...

This commit is contained in:

Haggai Eran 2014-12-11 17:04:26 +02:00 • committed by Roland Dreier

parent eab668a6d0

commit b4cfe447d4

4 changed files with 198 additions and 16 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

4

drivers/infiniband/hw/mlx5/main.c

View file

3

drivers/infiniband/hw/mlx5/mlx5_ib.h

View file

79

drivers/infiniband/hw/mlx5/mr.c

View file

114

drivers/infiniband/hw/mlx5/odp.c

View file