On Sun, Oct 07, 2018 at 12:03:36PM +0300, Leon Romanovsky wrote:
> From: Yonatan Cohen <yonat...@mellanox.com>
> 
> Flags sent down from user might not be supported by
> running driver.
> This might lead to unwanted bugs.
> To solve this, added macro to test for unsupported flags.
> 
> Signed-off-by: Yonatan Cohen <yonat...@mellanox.com>
> Signed-off-by: Leon Romanovsky <leo...@mellanox.com>
>  drivers/infiniband/hw/mlx5/qp.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
> index bae48bdf281c..17c4b6641933 100644
> +++ b/drivers/infiniband/hw/mlx5/qp.c
> @@ -1728,6 +1728,15 @@ static void configure_requester_scat_cqe(struct 
> mlx5_ib_dev *dev,
>               MLX5_SET(qpc, qpc, cs_req, MLX5_REQ_SCAT_DATA32_CQE);
>  }
>  
> +#define MLX5_QP_CREATE_FLAGS_NOT_SUPPORTED(flags) \
> +      ((flags) & ~(                            \

This needs a cast, it would be better to add something like the check
comp mask function in rdma-core than this goofy macro thing.

Jason

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