Re: + paravirt-vmi-timer-patches.patch added to -mm tree

[Zachary Amsden]

Daniel Walker wrote:
> On Fri, 2006-12-15 at 14:27 -0800, akpm@xxxxxxxx wrote:
>   
> > +
> > +config NO_IDLE_HZ
> > +       bool
> > +       depends on PARAVIRT
> > +       default y
> > +       help
> > +         Switches the regular HZ timer off when the system is going
> > idle.
> > +         This helps a hypervisor detect that the Linux system is
> > idle,
> > +         reducing the overhead of idle systems. 
> >     
>
>
> There is already a dynamic tick (NO_HZ) system in the -mm tree .. Given
> that this implementation seems unnecessary. Why do you need another
> different system to do this?
>   

We don't.  This was written before the dynamic tick code, and now they 
need to be merged.  Until then, they can safely coexist.

Zach

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