On Fri, 30 Aug 2024 18:24:59 +0200 Alexander Lobakin wrote: > * patch 4: switch cpumap from a custom kthread to a CPU-pinned > threaded NAPI; Could you try to use the backlog NAPI? Allocating a fake netdev and using NAPI as a threading abstraction feels like an abuse. Maybe try to factor out the necessary bits? What we want is using the per-cpu caches, and feeding GRO. None of the IRQ related NAPI functionality fits in here.