Re: [RFC patch 0/5] hrtimers: Add deferrable mode

[Andy Lutomirski]

On 02/21/2014 09:56 AM, Thomas Gleixner wrote:
> Deferrable timers are beneficial for power saving. They behave like
> standard timers except that their expiry can be delayed up to the
> expiry of the next non deferred timer. That prevents them from waking
> up cpus from deep idle periods.

What does this accomplish that can't be done with hrtimers with enormous
slack?

--Andy
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