Re: [PATCH rdma-next 07/10] RDMA/efa: Allow passing of optional access flags for MR registration

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On 08/01/2020 20:05, Yishai Hadas wrote:
> From: Michael Guralnik <michaelgur@xxxxxxxxxxxx>
> 
> As part of adding a range of optional access flags that drivers need to
> be able to accept, mask this range inside efa driver.
> This will prevent the driver from failing when an access flag from
> that range is passed.
> 
> Signed-off-by: Michael Guralnik <michaelgur@xxxxxxxxxxxx>
> Signed-off-by: Yishai Hadas <yishaih@xxxxxxxxxxxx>
> ---
>  drivers/infiniband/hw/efa/efa_verbs.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
> index 50c2257..b6b936c 100644
> --- a/drivers/infiniband/hw/efa/efa_verbs.c
> +++ b/drivers/infiniband/hw/efa/efa_verbs.c
> @@ -1370,6 +1370,7 @@ struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
>  		IB_ACCESS_LOCAL_WRITE |
>  		(is_rdma_read_cap(dev) ? IB_ACCESS_REMOTE_READ : 0);
>  
> +	access_flags &= ~IB_UVERBS_ACCESS_OPTIONAL_RANGE;

Hi Yishai,
access_flags should be masked with IB_ACCESS_OPTIONAL instead of
IB_UVERBS_ACCESS_OPTIONAL_RANGE.

Also, could you please make sure to CC me to future EFA patches?



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