Re: [PATCH 0/5] [GIT PULL] updates for tip/tracing/ftrace

From: Steven Rostedt
Date: Fri Mar 20 2009 - 17:06:18 EST



On Fri, 20 Mar 2009, Frederic Weisbecker wrote:
> > >
> > > VERBOSE_PRINTK_STRING("rcu_torture_reader task started");
> > > - set_user_nice(current, 19);
> > > + set_user_nice(current, -1);
> > > if (irqreader && cur_ops->irqcapable)
> > > setup_timer_on_stack(&t, rcu_torture_timer, 0);
> >
> > i dont have a reproducer right now. Can you trigger it with latest
> > -tip, which has this commit included:
> >
> > 04cb9ac: rcu: rcu_barrier VS cpu_hotplug: Ensure callbacks in dead cpu are migrated to o
> >
> > ?
> >
> > Ingo
>
>
> I tested three times the same things but with 04cb9ac and... it didn't triggered
> anymore :-)

So lets hope that was the culprit.

Great work Frederic!

-- Steve

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