Re: [Query] Preemption (hogging) of the work handler

From: Viresh Kumar
Date: Wed Jul 06 2016 - 15:25:16 EST


On 06-07-16, 15:23, Steven Rostedt wrote:
> On Wed, 6 Jul 2016 11:28:42 -0700
> Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
>
>
> >
> > I tried looking at if something related to this changed between 3.10
> > and mainline, and found few patches at least. One of the important
> > ones is:
> >
> > commit 5874af2003b1 ("printk: enable interrupts before calling
> > console_trylock_for_printk()")
> >
> > I wasn't able to backport it cleanly to 3.10 yet to see it makes thing
> > work better though. But it looks like it was targeting similar
> > problems.
> >
>
> Do you have the same issues with latest mainline, or is this only a
> 3.10 issue?

Don't have a mainline setup to reproduce this. For now, it is only on 3.10.

--
viresh