Re: pegged softirq and NAPI race (?)

[Song Liu]

> On Sep 18, 2018, at 2:46 PM, Eric Dumazet <eduma...@google.com> wrote:
> 
> On Tue, Sep 18, 2018 at 2:41 PM Song Liu <songliubrav...@fb.com> wrote:
>> 
>> 
>> 
>>> 
>> I would submit the patch if Eric prefer not to. :)
> 
> 
> Hmmm.... maybe the bug is really in ixgbe_netpoll()
> 
> This whole ndo_poll_controller() stuff  is crazy.
> 
> All sane implementations should only call napi_schedule()

Current implement is about identical to napi_schedule_irqoff(). Do 
we really need napi_schedule() instead?

On the other hand, I think we should check napi_complete_done() in
ixgbe_poll() anyway. 

Song