diff options
| author |   Jason Gunthorpe <jgg@nvidia.com> | 2020-10-26 15:23:14 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2020-11-02 15:10:50 -0400 |
| commit | d5c7916fe4613e9128b0f877f7e2dd0c85f5d2d2 (patch) | |
| tree | 69c1fb067c7b813ddbd2c5156f190e43bc01e9fa /drivers/infiniband/core/umem.c | |
| parent | RDMA/mlx5: Split mlx5_ib_update_xlt() into ODP and non-ODP cases (diff) | |
| download | linux-dev-d5c7916fe4613e9128b0f877f7e2dd0c85f5d2d2.tar.xz linux-dev-d5c7916fe4613e9128b0f877f7e2dd0c85f5d2d2.zip | |
RDMA/mlx5: Use ib_umem_find_best_pgsz() for mkc's
Now that all the PAS arrays or UMR XLT's for mkcs are filled using
rdma_for_each_block() we can use the common ib_umem_find_best_pgsz()
algorithm.
Link: https://lore.kernel.org/r/20201026132314.1336717-6-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/core/umem.c')
| -rw-r--r-- | drivers/infiniband/core/umem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index e9fecbdf391b..f1fc7e39c782 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -84,6 +84,15 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, dma_addr_t mask; int i; + if (umem->is_odp) { + unsigned int page_size = BIT(to_ib_umem_odp(umem)->page_shift); + + /* ODP must always be self consistent. */ + if (!(pgsz_bitmap & page_size)) + return 0; + return page_size; + } + /* rdma_for_each_block() has a bug if the page size is smaller than the * page size used to build the umem. For now prevent smaller page sizes * from being returned. |