Subject: Re: + paravirt-vmi-timer-patches.patch added to -mm tree
From: Daniel Walker <dwalker@mvista.com>
To: linux-kernel@vger.kernel.org
Cc: zach@vmware.com, ak@suse.de, chrisw@sous-sol.org, jeremy@xensource.com,
       rusty@rustcorp.com.au
In-Reply-To: <200612152227.kBFMRNuQ002977@shell0.pdx.osdl.net>
References: <200612152227.kBFMRNuQ002977@shell0.pdx.osdl.net>
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Date: Sat, 06 Jan 2007 10:06:00 -0800
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On Fri, 2006-12-15 at 14:27 -0800, akpm@osdl.org 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?

Daniel

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