Re: [RFC PATCH] RDMA/cma: Remove netlink interface of CMA statistics

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On Mon, Nov 20, 2017 at 9:41 PM, Jason Gunthorpe <jgg@xxxxxxxx> wrote:

> Well, I would like to know the issues as well, as I've already said I
> think they should be described in the commit message.

> But also, at the RFC stage the onus is on other people, particularly
> people that want to keep the feature, to explain where it is being
> used and why..

we did it to allow user space track rdma-cm connections through the rdma
subsystem netlink infra-structure, e.g one can come up with netstat like
reporting of rdma listeners and connections, this is it!

> We need to decide if we drop the RFC and fix the implementation, apply
> the the RFC, or add a deprecation printk warning, or something..

right. To my opinion, if there are issues in the implementation, lets fix them,
I don't see why remove this implementation and replace it with a new one
that does the same thing.

> Please try to be productive here and concentrate on adding information
> and not nit-picking the process! We all know removing a uapi is a big
> deal.

Re usage I provided what I know.

When a patch is sent  to remove code "which has problems" and the author
doesn't provide any information on the nature nor the details of the problems
after being asked three times - what this has to do with nit picking
or processes?
it's something totally different, isn't that?

Or.
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