Compared with RFC v3:
- Use #ifdef APIC in hpclock_read_counter() to avoid the runtime check
  of the availability of HPET.
- Remove the redundant check in hpclock_get_counter_period_nsec().
- Fix a small bug in time_value64_add_hpc().
- Some comment improvements

Zhaoming Luo (1):
  Integrate HPET so the functions used for getting time can have a
    higher accuracy

 i386/i386/apic.c        | 18 ++++++++++++++++++
 i386/i386at/model_dep.c |  2 ++
 kern/mach_clock.c       | 34 +++++++++++++++++++++++++++++++++-
 kern/mach_clock.h       |  4 ++++
 4 files changed, 57 insertions(+), 1 deletion(-)

-- 
2.47.2


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