[PATCH 1/2] tickless idle cpus: core patch - v2

[Paul Mackerras]

Srivatsa Vaddagiri writes:

> This is the v2 of the core patch to skip ticks when a CPU is idle.
> Changes since v1:
> 
> 	-  fix the buggy call to stop_hz_timer in idle_power4.S (hopefully it 
> 	   is correct now!).

It would be nice if we could arrange to call stop_hz_timer from the
top-level cpu_idle() function rather than having to call it from the
individual power_save() functions such as power4_idle().  Can you see
a problem with doing that?

Paul.