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Date:   Fri, 24 Mar 2017 19:29:07 -0700 (PDT)
From:   David Miller <>
Subject: Re: [net 1/1] i40e: Do not enable NAPI on q_vectors that have no

From: Jeff Kirsher <>
Date: Fri, 24 Mar 2017 15:01:42 -0700

> From: Alexander Duyck <>
> When testing the epoll w/ busy poll code I found that I could get into a
> state where the i40e driver had q_vectors w/ active NAPI that had no rings.
> This was resulting in a divide by zero error.  To correct it I am updating
> the driver code so that we only support NAPI on q_vectors that have 1 or
> more rings allocated to them.
> Signed-off-by: Alexander Duyck <>
> Tested-by: Andrew Bowers <>
> Signed-off-by: Jeff Kirsher <>

Applied, thanks.

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