netdev - Re: pegged softirq and NAPI race (?)

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Message-ID: <CANn89iJiJ1pTY2Z6LQBcaRh6rE5vEbf4YWab8bNpQ5YdeUTpfg@mail.gmail.com>
Date:   Tue, 18 Sep 2018 14:25:15 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     songliubraving@...com
Cc:     Alexei Starovoitov <ast@...com>, netdev <netdev@...r.kernel.org>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        Alexander Duyck <alexander.h.duyck@...el.com>,
        michael.chan@...adcom.com, kernel-team <Kernel-team@...com>
Subject: Re: pegged softirq and NAPI race (?)

On Tue, Sep 18, 2018 at 2:22 PM Song Liu <songliubraving@...com> wrote:
>

> Thanks Eric!
>
> I was looking at exactly this part. :) And it seems working!

And this should also make busy polling a bit faster as well, avoiding
enabling/receiving interrupts in the busy loop.

>
> I will run a bigger test and update shortly.