RE: [Intel-wired-lan] [PATCH net-queue 2/3] e1000e: Fix queue interrupt re-raising in Other interrupt.

[Brown, Aaron F]

> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@xxxxxxxxxx] On
> Behalf Of Benjamin Poirier
> Sent: Wednesday, February 7, 2018 10:47 PM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@xxxxxxxxx>
> Cc: netdev@xxxxxxxxxxxxxxx; intel-wired-lan@xxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: [Intel-wired-lan] [PATCH net-queue 2/3] e1000e: Fix queue
> interrupt re-raising in Other interrupt.
> 
> restores the ICS write for rx/tx queue interrupts which was present before
> commit 16ecba59bc33 ("e1000e: Do not read ICR in Other interrupt",
> v4.5-rc1) but was not restored in commit 4aea7a5c5e94 ("e1000e: Avoid
> receiver overrun interrupt bursts", v4.15-rc1).
> 
> This re-raises the queue interrupts in case the txq or rxq bits were set in
> ICR and the Other interrupt handler read and cleared ICR before the queue
> interrupt was raised.
> 
> Fixes: 4aea7a5c5e94 ("e1000e: Avoid receiver overrun interrupt bursts")
> Signed-off-by: Benjamin Poirier <bpoirier@xxxxxxxx>
> ---
>  drivers/net/ethernet/intel/e1000e/netdev.c | 3 +++
>  1 file changed, 3 insertions(+)

Tested-by: Aaron Brown <aaron.f.brown@xxxxxxxxx>