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| author |   Majd Dibbiny <majd@mellanox.com> | 2017-06-12 10:36:15 +0300 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-07-24 10:41:01 -0400 |
| commit | 4c25b7a39005c9243a492b577c3e940eeac36a25 (patch) | |
| tree | 1400341f8aea65b275d36711c5798257b82c3253 /include/linux/mlx5 | |
| parent | IB/mlx5: Report RX checksum capabilities for IPoIB (diff) | |
| download | linux-dev-4c25b7a39005c9243a492b577c3e940eeac36a25.tar.xz linux-dev-4c25b7a39005c9243a492b577c3e940eeac36a25.zip | |
IB/mlx5: Fix cached MR allocation flow
When we have a miss in one order of the mkey cache, we try to get
an mkey from a higher order.
We still need to check that the higher order can be used with UMR
before using it. Otherwise, we will get an mkey with 0 entries and
the post send operation that is used to fill it will complete with
the following error:
mlx5_0:dump_cqe:275:(pid 0): dump error cqe
00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000
00000000 0f007806 25000025 49ce59d2
Fixes: 49780d42dfc9 ("IB/mlx5: Expose MR cache for mlx5_ib")
Cc: <stable@vger.kernel.org> # v4.10+
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/linux/mlx5')
0 files changed, 0 insertions, 0 deletions