linux-kernel - Re: Regression: Failed boots bisected to 4cd13c21b207 "softirq: Let ksoftirqd do its job"

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Message-ID: <CANn89iK=yTkVKi9Wnx3ZXWZSOQc6KJT-FcE7H-5+QB85GE4=Vw@mail.gmail.com>
Date:   Wed, 16 Nov 2016 10:49:06 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     Brian Starkey <brian.starkey@....com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Potapenko <glider@...gle.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: Regression: Failed boots bisected to 4cd13c21b207 "softirq: Let
 ksoftirqd do its job"

On Wed, Nov 16, 2016 at 10:01 AM, Brian Starkey <brian.starkey@....com> wrote:

>
> The smc91x driver does seem to have some trickiness around softirqs.
> I'm not familiar with net drivers, but I'll see if I can figure
> anything out there.

Oh this code looks ugly :(

Do you have CONFIG_SMP=y or not ?