voluntary-preempt I0: sluggish feel

[Rudo Thomas]

> thx for the report - i fixed this in the -I0 patch:
> 
>   http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc2-I0
> 
> (the problem only occured when CONFIG_PREEMPT was enabled.)

Hello again.

Indeed, no more `scheduling while atomic'.

OTOH, now the system feels terribly slow when voluntary_preemption is set to 2.
Setting it to 0 or 1 makes the sluggish feel go away.

Rudo.
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