linux-kernel - Re: [PATCH] tg3: Disable tg3 device on system reboot to avoid triggering AER

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Date:   Fri, 26 Aug 2022 10:33:03 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     siva.kallam@...adcom.com, prashant@...adcom.com,
        mchan@...adcom.com, Josef Bacik <josef@...icpanda.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tg3: Disable tg3 device on system reboot to avoid
 triggering AER

On Fri, Aug 26, 2022 at 1:44 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Thu, 25 Aug 2022 14:38:52 +0800 Kai-Heng Feng wrote:
> >       rtnl_lock();
> > +
> > +     tg3_reset_task_cancel(tp);
>
> Doesn't this "task" take rtnl_lock()? Looks deadlocky.

Thanks for the review. I sent v2 to address it.

Kai-Heng