# Re: \[PATCH 1/1\] net: nps\_enet: Disable interrupts before napi reschedule

- From: Vineet Gupta \<hidden\>
- Date: 2016-06-02 10:13:51 
- List: netdev
- Page: https://ratatoskr.run/netdev/2016/06/4763169
- Thread: https://ratatoskr.run/netdev/2016/05/4758497/t.md

```text
On Monday 30 May 2016 11:05 AM, David Miller wrote:
> From: Elad Kanfi <redacted>
> Date: Thu, 26 May 2016 15:00:06 +0300
> 
>> From: Elad Kanfi <redacted>
>>
>> Since NAPI works by shutting down event interrupts when theres
>> work and turning them on when theres none, the net driver must
>> make sure that interrupts are disabled when it reschedules polling.
>> By calling napi_reschedule, the driver switches to polling mode,
>> therefor there should be no interrupt interference.
>> Any received packets will be handled in nps_enet_poll by polling the HW
>> indication of received packet until all packets are handled.
>>
>> Signed-off-by: Elad Kanfi <redacted>
>> Acked-by: Noam Camus <redacted>
> 
> Applied.
> 

ARC osci platform in 4.6 currently have broken networking. This needs a stable
backport to 4.6

Upstream 86651650d16a359e4 ("net: nps_enet: Disable interrupts before napi
reschedule")

Thx,
-Vineet
```