[Intel-wired-lan] [PATCH net-queue 1/3] Partial revert "e1000e: Avoid receiver overrun interrupt bursts"
Brown, Aaron F
aaron.f.brown at intel.com
Thu Feb 15 03:23:12 UTC 2018
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at osuosl.org] On
> Behalf Of Benjamin Poirier
> Sent: Wednesday, February 7, 2018 10:47 PM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher at intel.com>
> Cc: netdev at vger.kernel.org; intel-wired-lan at lists.osuosl.org; linux-
> kernel at vger.kernel.org
> 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 at suse.com>
> ---
> drivers/net/ethernet/intel/e1000e/netdev.c | 16 ++--------------
> 1 file changed, 2 insertions(+), 14 deletions(-)
Tested-by: Aaron Brown <aaron.f.brown at intel.com>
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