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SubjectRe: CONFIG_NO_HZ_FULL + CONFIG_PREEMPT_RT_FULL = nogo
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On Fri, 2013-11-08 at 15:29 +0100, Frederic Weisbecker wrote: 
> On Fri, Nov 08, 2013 at 06:03:31AM -0800, Paul E. McKenney wrote:
> > On Fri, Nov 08, 2013 at 02:26:28PM +0100, Mike Galbraith wrote:
> > > On Fri, 2013-11-08 at 04:37 -0800, Paul E. McKenney wrote:
> > > > On Fri, Nov 08, 2013 at 08:31:20AM +0100, Mike Galbraith wrote:
> > > > > On Thu, 2013-11-07 at 19:23 -0800, Paul E. McKenney wrote:
> > > > >
> > > > > > An untested patch that gets rid of the RCU_SOFTIRQs in this case is below.
> > > > >
> > > > > Yup, toasted.
> > > >
> > > > You lost me on this one. If my patch broke your system, any chance of
> > > > any diagnostic information?
> > >
> > > No no, the RCU_SOFTIRQs are toast, history, gone.
> >
> > Ah, I do like that outcome much better! ;-) The scheduling-clock
> > interrupts are gone (or at least reduced) as well?
> >
> > And does this mean that I can have your Tested-by?
>
> What's wrong with Toasted-by: ? ;)

It sprang to mind, but I resisted :)



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