> On 25 Mar 2020, at 16:01, Christian Hopps <cho...@chopps.org> wrote: > > Is it supposed to be the case that no packets are inflight (*) in the graph > when the worker barrier is held? > > I think perhaps MP unsafe API code is assuming this. > > I also think that the frame queues used by handoff code violate this > assumption. > > Can someone with deep VPP knowledge clarify this for me? :)
correct, there is small chance that frame is enqueued right before worker hits barrier… — Damjan
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