RE: [PATCH v4 1/9] IB/cma: pass the port number to ib_create_qp

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> On Tue, Mar 08, 2016 at 07:16:32PM +0100, Christoph Hellwig wrote:
> > The new RW API will need this.
> >
> > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > Tested-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
> > ---
> >  drivers/infiniband/core/cma.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
> > index 9729639..a791522 100644
> > --- a/drivers/infiniband/core/cma.c
> > +++ b/drivers/infiniband/core/cma.c
> > @@ -800,6 +800,7 @@ int rdma_create_qp(struct rdma_cm_id *id, struct ib_pd *pd,
> >  	if (id->device != pd->device)
> >  		return -EINVAL;
> >
> > +	qp_init_attr->port_num = id->port_num;
> 
> I doubt whether this is the right place to update qp_init_attr structure.
> Maybe the better solution will be to update the callers of rdma_create_qp?
> It will place all qp_init_attr assignments in one place.

At the expense of replicating this code and forcing all users to remember to set this.



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