hrtimers in powerpc arch?

[Benjamin Herrenschmidt]

On Fri, 2010-02-19 at 17:16 -0800, Xiaogeng Jin wrote:
> Is hrtimers supported in the powerpc arch and used in embedded powerpc
> drivers? I greped ktime_t and hrtimer_start() under arch/powerpc and
> found not two many calls. Does it indicate the powerpc world doesn't
> use hrtimers? 

They are there and should work just fine. Why would we "use" them from
arch code ?

Cheers,
Ben.