From: Heiner Kallweit <hkallwe...@gmail.com>
Date: Thu, 18 Oct 2018 19:56:01 +0200
> rtl_rx() and rtl_tx() are called only if the respective bits are set
> in the interrupt status register. Under high load NAPI may not be
> able to process all data (work_done == budget) and it will schedule
> subsequent calls to the poll callback.
> rtl_ack_events() however resets the bits in the interrupt status
> register, therefore subsequent calls to rtl8169_poll() won't call
> rtl_rx() and rtl_tx() - chip interrupts are still disabled.
>
> Fix this by calling rtl_rx() and rtl_tx() independent of the bits
> set in the interrupt status register. Both functions will detect
> if there's nothing to do for them.
>
> Fixes: da78dbff2e05 ("r8169: remove work from irq handler.")
> Signed-off-by: Heiner Kallweit <hkallwe...@gmail.com>
> ---
> v2:
> - added "Fixes" tag
Applied and queued up for -stable, thanks!
And I agree that moving the IRQ ACKing to the hw irq handler is
net-next material.
