[email protected] writes:
>On Sun, Jul 02, 2017 at 11:10:19PM -0000, Michael van Elst wrote:
>> it needs MD support on all platforms.
>What more does an implementation need besides asking for an interrupt in
>timo at cv_timedwait* (and increasing HZ)?
>That could be a no-op for platforms that can't provide it.
Currently the platform provides the regular hardclock interrupt
that dispatches all timed activity.
For a tickless kernel you need a one-shot timer instead that
can be armed to fire at an arbitrary time. Optionally you could
tell it to fire on a specific CPU.
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Michael van Elst
Internet: [email protected]
"A potential Snark may lurk in every tree."
