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RDMA/mlx5: Fix definition of mlx5_ib_create_qp_resp

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This structure is pushed down the ex and the non-ex path, so it needs to be
aligned to 8 bytes to go through ex without implicit padding.

Old user space will provide 4 bytes of resp on !ex and 8 bytes on ex, so
take the approach of just copying the minimum length.

New user space will consistently provide 8 bytes in both cases.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2018-04-03 10:00:53 +03:00
commit 41d902cb7c
2 changed files with 3 additions and 2 deletions
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1
include/uapi/rdma/mlx5-abi.h
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@ -335,6 +335,7 @@ struct mlx5_ib_create_qp_rss {
struct mlx5_ib_create_qp_resp {
__u32 bfreg_index;
__u32 reserved;
};
struct mlx5_ib_alloc_mw {