Re: [PATCH rdma-next v2 02/15] RDMA/uverbs: Push out CQ buffer umem processing into a helper

Jason Gunthorpe
2026-04-22T16:32:37Z

On Wed, Apr 22, 2026 at 12:56:52PM +0200, Jiri Pirko wrote:
> >Broadly I'd imagine introducing a new uattr for CQ to pass the
> >ib_uverbs_buffer_desc as well so the end result of all this churn has
> >the option for every umem to be described by ib_uverbs_buffer_desc at
> >the uapi boundary.
>
> Wait, I'm missing something. I'm already introducing the BUFFERS attr
> that passes a list of ib_uverbs_buffer_desc. What exactly do you mean
> here?

Yeah, that's what I mean, however it is done every API should get a
ib_uverbs_buffer_desc. This series does exactly that with the BUFFERS
attr.

Meaning it would supersede the existing mass of single attrs in CQ,
that design doesn't seem to have turned out so good unfortunately.

Jason