Plan 9 from Bell Labs’s /n/sources/patch/applied/kw-clock/readme

Copyright © 2009 Alcatel-Lucent.
Distributed under the Lucent Public License version 1.02.
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Use Kirkwood's two 200Mhz 32-bit timers for fastticks and timer interrupts
with high resolution.  As a side effect this eliminates the crash which
used to occur with the old 100Hz timer code, when timesync set the TOD clock
frequency to < HZ.

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