Re: [RFC bpf-next v1 3/7] bpf: Support pulling non-linear xdp data

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On Mon, 25 Aug 2025 17:12:13 -0700 Stanislav Fomichev wrote:
> > > The unreadable frags will always be unredabale to the host. This is TCP
> > > device memory, the memory on the accelerators that is not mapped onto
> > > the CPU. Any attempts to read that memory should gracefully error out.
> > > 
> > > Can you also pls fix that other one? (not as part of the series should
> > > be ok)  
> > 
> > But we don't support mixing XDP with unreadable mem today.
> > Is the concern just for future proofing?  
> 
> Good point. I though we did add that proofing during the initial rx
> patch series, but I don't see any. Ignore me!

I could be wrong, but I think we did for skb paths only.
Perhaps you're thinking about those helpers.




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