> > Its worth doing even on the ancient x86 boards with the PIT.
>
> Note that programming the PIT is sloooooooow and doing it on every timer
> add_timer/del_timer would be a pain.
You only have to do it occasionally.
When you add a timer newer than the current one
(arguably newer by at least 1/2*HZ sec)
When you finish running the timers at an interval and the new interval is
significantly larger than the current one.
Remember each tick we poke the PIT anyway
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This archive was generated by hypermail 2b29 : Sun Apr 15 2001 - 21:00:12 EST