[Intel-wired-lan] [PATCH] i40e: Invoke softirqs after napi_reschedule

David Miller davem at davemloft.net
Sat Jan 14 01:27:00 UTC 2017


From: Benjamin Poirier <bpoirier at suse.com>
Date: Thu, 12 Jan 2017 17:04:14 -0800

> The following message is logged from time to time when using i40e:
> NOHZ: local_softirq_pending 08
> 
> i40e may schedule napi from a workqueue. Afterwards, softirqs are not run
> in a deterministic time frame. The problem is the same as what was
> described in commit ec13ee80145c ("virtio_net: invoke softirqs after
> __napi_schedule") and this patch applies the same fix to i40e.
> 
> Signed-off-by: Benjamin Poirier <bpoirier at suse.com>

I hope to see this from one of Jeff's pull requests to me in the
near future.


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