RE: [PATCH rdma-next] Revert "IB/core: Add flow control to the portmapper netlink calls"

Steve Wise
2017-05-31T18:34:09Z

> > Hey Leon,
> >
> > I would hate to introduce an iwarp regression vs solving your issue w/o
> > reverting. If I recall, the flow control is need so as to not drop messages
> > flowing from the kernel to the iwpmd. I'm not sure how that could be fixed
in
> > the user daemon?
>
> Assume that netlink is unreliable and set socket timeout.
>
> Thanks

It seems that netlink is becoming more and more a message API between kernel and
user. Wouldn't everyone benefit from make it reliable? And I think we can
certainly provide blocking/reliable mode as an option to be used only by those
subsystems that require it.

Steve