RE: [Intel-wired-lan] [PATCH net-queue 1/3] Partial revert "e1000e: Avoid receiver overrun interrupt bursts"

[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 1/3] Partial revert "e1000e:
> Avoid receiver overrun interrupt bursts"
> 
> This partially reverts commit 4aea7a5c5e940c1723add439f4088844cd26196d.
> 
> We keep the fix for the first part of the problem (1) described in the log
> of that commit, that is to read ICR in the other interrupt handler. We
> remove the fix for the second part of the problem (2), Other interrupt
> throttling.
> 
> Bursts of "Other" interrupts may once again occur during rxo (receive
> overflow) traffic conditions. This is deemed acceptable in the interest of
> avoiding unforeseen fallout from changes that are not strictly necessary.
> As discussed, the e1000e driver should be in "maintenance mode".
> 
> Link: https://www.spinics.net/lists/netdev/msg480675.html
> Signed-off-by: Benjamin Poirier <bpoirier@xxxxxxxx>
> ---
>  drivers/net/ethernet/intel/e1000e/netdev.c | 16 ++--------------
>  1 file changed, 2 insertions(+), 14 deletions(-)

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