Re: [PATCH][RT] netpoll: Always take poll_lock when doing polling

From: Steven Rostedt
Date: Fri Jun 10 2016 - 12:45:34 EST


On Fri, 10 Jun 2016 18:20:22 +0200
Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:

> > We actually triggered a starvation due to this. I was just seeing if
> > Alison hit the same issue we did in our tests.
>
> Okay. Didn't get this information from him. But this is only because
> the softirqs not running in ksoftirqd, right?

Right, I think we supplied this patch before we added the one that
would push repeated softirqs to ksoftirqd. We probably should see if
that patch alone fixes our issue.

-- Steve