[tesla-dev] re-initialize APIC timer

[Eric Saxe]

Bill Holler wrote:
> The ACPI PM timer interface looks very simple.  :-)
>
> hwtimer.c indicates the ACPI PM timer is either 24 or 32-bits.
> Comments indicate 24-bit timers roll-over in about 4.66 seconds
> and 32-bit timers roll-over in about 19.88 minutes.
> That will be an upper bounds on how long a cpu can be idle
> if this timer is used for measuring the idle time.
> If we do a good job with the power aware dispatcher and
> callout/cyclic work, possible cpu idle time will be un-bounded
> at least on some cpus.  ;-)
>   
That would be nice. :)

-Eric