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repro
2008 Jun 03
0
[PATCH]Improve HPET comparator reprog to prevent intr-near-missing case
HPET intr-near-missing means if the current counter value is too close
to the comparator value to be reprogrammed the expected HPET intr may be
missing. Linux kernel uses a mininal 48-hpet-ticks(~3.5us) distance to
workaround this, but personal observation showed there is still failure
case while delta=0xba (~13.5us). So choosing 20us as the MIN_DELTA_NS
should be helpful to prevent near-missing from hap...