Displaying 1 result from an estimated 1 matches for "10xxus".
Did you mean:
100us
2008 Sep 09
9
[PATCH 2/4] CPUIDLE: Avoid remnant LAPIC timer intr while force hpetbroadcast
...ume to work after exit from C3. Considering below case:
The LAPIC timer was programmed to expire after 1000us, but CPU enter C3 after 100us and exit C3 at 9xxus.
0us: reprogram_timer(1000us)
100us: entry C3, LAPIC timer stop
9xxus: exit C3 due to unexpected event, LAPIC timer continue running
10xxus: reprogram_timer(1000us), fail due to the past expiring time.
......: no timer softirq raised, no change to LAPIC timer.
......: if entry C3 again, HPET will be forced reprogramed to now+small_slop.
......: if entry C2, no change to LAPIC.
18xxus: LAPIC timer expires unexpectedly if no C3 entries a...