Re: [RFC PATCH v4 0/2] RDMA/rxe: Add dma-buf support

[Jason Gunthorpe]

On Fri, Dec 03, 2021 at 12:51:44PM +0900, Shunsuke Mie wrote:
> Hi maintainers,
> 
> Could you please review this patch series?

Why is it RFC?

I'm confused why this is useful? 

This can't do copy from MMIO memory, so it shouldn't be compatible
with things like Gaudi - does something prevent this?

Jason