Re: VST patches ported to 2.6.11-rc1

[Tony Lindgren <tony@xxxxxxxxxxx>]

* George Anzinger <george@xxxxxxxxxx> [050119 15:21]:
> George Anzinger wrote:
> >Pavel Machek wrote:
> >
> >>Hi!
> >>
> >>
> >>>I really hate sf download system... Here are those patches (only
> >>>common+i386) ported to 2.6.11-rc1.
> >>
> >>
> >>
> >>Good news is it booted. But I could not measure any powersavings by
> >>turning it on. (I could measure difference between HZ=100 and
> >>HZ=1000).
> >>
> >>Hmm, it does not want to do anything. threshold used to be 1000, does
> >>it mean that it would not use vst unless there was one second of quiet
> >>state? I tried to lower it to 10 ("get me HZ=100 power consumption")
> >>but it does not seem to be used, anyway:
> 
> I wonder if the problem is that we are not disabling the PIT interrupt.  I 
> have a PIII SMP system so the interrupt path may be different and the code 
> to stop interrupts may be wrong.  The normal system does not admit to 
> stopping the time base so it is possible that this is wrong.

That could make a difference as hlt and ACPI C2/C3 will wake to PIT
interrupt AFAIK.

Tony
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