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    SubjectRe: [PATCH 2.6.21-rt2] PowerPC: decrementer clockevent driver
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    >
    > Yes, on some implementations there can be other conditions that
    > make a decrementer exception go away; there is no contradiction
    > here (thankfully). My wording was sloppy.

    Some CPUs have the DEC exceptions basically edge triggered (yeah I know
    it sucks). That's why, among others, the IRQ soft-disable code has code
    to re-trigger DEC exceptions ASAP (by setting it to 1.. note that we
    could probably use 0 here, we've been a bit conservative).

    Ben.


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