diff options
| author |   Jason Gunthorpe <jgg@nvidia.com> | 2020-10-26 15:23:12 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-02 14:53:55 -0400 |
| commit | 8010d74b9965b33182651767e9788ed84cf8e5f9 (patch) | |
| tree | e429f440b8350b0869f4244ee37c9dc644ccfb0c /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
| parent | RDMA/mlx5: Move xlt_emergency_page_mutex into mr.c (diff) | |
| download | linux-dev-8010d74b9965b33182651767e9788ed84cf8e5f9.tar.xz linux-dev-8010d74b9965b33182651767e9788ed84cf8e5f9.zip | |
RDMA/mlx5: Split the WR setup out of mlx5_ib_update_xlt()
The memory allocation is quite complicated, and makes this function hard
to understand. Refactor things so that a function call sets up the WR, SG,
DMA mapping and buffer, further splitting that into buffer and DMA/wr.
This also slightly changes the buffer allocation logic to try an order 0
page allocation (with OOM warnings on) before going to the emergency page.
Link: https://lore.kernel.org/r/20201026132314.1336717-4-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 8f728b98f9a6..d92afbd26aa5 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -1454,7 +1454,7 @@ static inline int get_num_static_uars(struct mlx5_ib_dev *dev, return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * bfregi->num_static_sys_pages; } -extern unsigned long xlt_emergency_page; +extern void *xlt_emergency_page; int bfregn_to_uar_index(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi, u32 bfregn, |