On 09/21/2018 07:55 AM, Alexei Starovoitov wrote: > > should we remove ndo_poll_controller then? > My understanding that the patch helps by not letting > drivers do napi_schedule() for all queues into this_cpu, right? > But most of the drivers do exactly that in their ndo_poll_controller > implementations. Means most of the drivers will experience > this nasty behavior. > Some legacy drivers do not use NAPI yet, but provide ndo_poll_controller() I believe users caring about system behavior with multi queue NIC are all using NAPI enabled drivers, so this should be fine.
