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kern/40448: machdep.powersave not documented and can't change
>Synopsis: machdep.powersave not documented and can't change
>Arrival-Date: Wed Jan 21 16:15:01 +0000 2009
>Release: NetBSD 4.0
Jeremy C. Reed
Can't find machdep.powersave documented.
Found it in the arm32 source.
It appears it can be changed, but when I try to set to 1 (from 0)
it says failed with Operation not permitted.
It appears it can not be changed if (cpufuncs.cf_sleep == (void *)
cpufunc_nullop) but I don't know what that means.
Document it. What is it for?
Can it be changed or not?
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