On Fri, 4 Feb 2005, Tony Lindgren wrote:

> Yes, it's safer to keep the timer periodic, although it's
> used for oneshot purposes for the skips. If the timer interrupt
> got missed for some reason, the system would be able to recover when
> it's in periodic mode.
> 
> And with some timers, we can do the reprogramming faster, as we just
> need to load the new value.
> 
> I could not figure out how to disable the interrupts for PIT
> when local APIC is used and the ticks to skip is longer than PIT
> would allow. So I just changed the mode temporarily to disable it.
>
> Does anybody know if there's a way to stop PIT interrupts while
> keeping it in the periodic mode?

disable_irq(0) ?
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