Re: [PATCH V2 for-next 6/6] RDMA/hns: Assign dest_qp when deregistering mr

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On Tue, Dec 26, 2017 at 07:25:14PM +0800, Lijun Ou wrote:
> It needs to create eight reserve QPs for resolving
> a bug of hip06. When deregistering mr, it will issue
> a rdma write for every reserve QPs.
> 
> In the above process, it needs to assign dest_qp.
> Otherwise, it will trigger free mr work fail.
> 
> Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
>  drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
> index 6100ace..490a1fc 100644
> +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
> @@ -775,6 +775,7 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev)
>  			goto create_lp_qp_failed;
>  		}
>  
> +		attr_mask |= IB_QP_DEST_QPN;

This seems really weird, several other values of attr are set without a
corresponding attr_mask bit.

Jason
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