Re: How far back does rdma-core X supports the kernel Y?

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On Wed, Nov 01, 2017 at 11:33:24AM -0600, Jason Gunthorpe wrote:
> On Wed, Nov 01, 2017 at 05:27:22PM +0000, Amrani, Ram wrote:
>
> > Also, currently they are marked in ib_verbs.h as reserved. This is misleading as
> > it hints they are for future use. We should mark them as don't ever use.
>
> We have tended to use reserved to mean dont use. Someone should
> inspect the git history before trying to use a reserved value..

Why don't we properly export these defines in uapi/rdma/ib_user_verbs.h?

The fact that change in internal to kernel value breaks user space
shows that interface between user-space (rdma-core) <-> kernel needs
improvement in sharing of the headers.

Thanks

>
> Jason
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