Expose CQ moderation to user space
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- v1 Latest6 patches 11 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/6 | IB/uverbs: Allow CQ moderation with modify CQdrivers/ drivers/ drivers/ +2 more | +52 | 3 replies | |
| 2/6 | IB/mlx4: Exposing modify CQ callback to uverbs layerdrivers/ drivers/ include/ | +7 | 0 replies | |
| 3/6 | IB/mlx5: Exposing modify CQ callback to uverbs layerdrivers/ drivers/ include/ | +8 | 0 replies | |
| 4/6 | IB/uverbs: Add CQ moderation capability to query_devicedrivers/ include/ include/ | +22 | 0 replies | |
| 5/6 | IB/mlx4: Add CQ moderation capability to query_devicedrivers/ | +3 | 0 replies | |
| 6/6 | IB/mlx5: Add CQ moderation capability to query_devicedrivers/ | +7 | 0 replies |
Reviews trailers per patch
All 6 patches have a Reviewed-by or Acked-by.
| Patch | Majd Dibbiny |
|---|---|
| 1/6 | R-b |
| 2/6 | R-b |
| 3/6 | R-b |
| 4/6 | R-b |
| 5/6 | R-b |
| 6/6 | R-b |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [PATCH rdma-next 0/6] Expose CQ moderation to user space
This patch set exposes CQ moderation. This will allow to moderate number of CQEs needed to create an event. Such change brings performance improvement by reducing pressure on application to receive event per-CQE.
The proposed semantics follows the well-established kernel semantics.
* cq_max_count - defines the number of cookies needed to create an event.
* cq_period - defines the timeout between last event and a new one
that will occur even if cq_max_count was not reached
The patches are available in the git repository at:
git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git tags/rdma-next-2017-10-19-2
Thanks
---------------------------------------
Yonatan Cohen (6):
IB/uverbs: Allow CQ moderation with modify CQ IB/mlx4: Exposing modify CQ callback to uverbs layer IB/mlx5: Exposing modify CQ callback to uverbs layer IB/uverbs: Add CQ moderation capability to query_device IB/mlx4: Add CQ moderation capability to query_device IB/mlx5: Add CQ moderation capability to query_device
drivers/infiniband/core/uverbs.h | 1 + drivers/infiniband/core/uverbs_cmd.c | 45 +++++++++++++++++++++++++++++++++++ drivers/infiniband/core/uverbs_main.c | 1 + drivers/infiniband/hw/mlx4/main.c | 6 +++++ drivers/infiniband/hw/mlx4/mlx4_ib.h | 1 + drivers/infiniband/hw/mlx5/cq.c | 3 +++ drivers/infiniband/hw/mlx5/main.c | 10 +++++++- include/linux/mlx4/cq.h | 3 +++ include/linux/mlx5/cq.h | 3 +++ include/rdma/ib_verbs.h | 10 ++++++++ include/uapi/rdma/ib_user_verbs.h | 18 +++++++++++++- 11 files changed, 99 insertions(+), 2 deletions(-)
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