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author | Yishai Hadas <yishaih@mellanox.com> | 2019-07-23 09:57:25 +0300 |
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committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-24 16:42:27 -0300 |
commit | 6a053953739d23694474a5f9c81d1a30093da81a (patch) | |
tree | d05c421661f3774fbe406f02fc2483ba11e643b0 /drivers/infiniband/hw/mlx5/mlx5_ib.h | |
parent | RDMA/siw: Remove set but not used variables 'rv' (diff) | |
download | linux-dev-6a053953739d23694474a5f9c81d1a30093da81a.tar.xz linux-dev-6a053953739d23694474a5f9c81d1a30093da81a.zip |
IB/mlx5: Fix unreg_umr to ignore the mkey state
Fix unreg_umr to ignore the mkey state and do not fail if was freed. This
prevents a case that a user space application already changed the mkey
state to free and then the UMR operation will fail leaving the mkey in an
inappropriate state.
Link: https://lore.kernel.org/r/20190723065733.4899-3-leon@kernel.org
Cc: <stable@vger.kernel.org> # 3.19
Fixes: 968e78dd9644 ("IB/mlx5: Enhance UMR support to allow partial page table update")
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/mlx5_ib.h')
-rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index c482f19958b3..f6a53455bf8b 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -481,6 +481,7 @@ struct mlx5_umr_wr { u64 length; int access_flags; u32 mkey; + u8 ignore_free_state:1; }; static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr) |