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From: Ken Smith <kensmith@FreeBSD.org>
Date: Thu, 30 Sep 2004 14:38:59 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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Subject: cvs commit: src/sys/sparc64/sparc64 machdep.c
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kensmith    2004-09-30 14:38:59 UTC

  FreeBSD src repository

  Modified files:
    sys/sparc64/sparc64  machdep.c 
  Log:
  This along with v1.6 of counter.c fixes some timecounter issues on
  MP machines (hopefully).  CPU timers are OK on UP machines but we
  don't keep the timers in sync on MP machines so if the CPU's timer
  is chosen as the primary timecounter it's possible for time to
  not be monotonically increasing because different CPU's counters
  may be used at different times.  But the CPU's counters are otherwise
  one of the higher quality counters available.  So, on UP machines
  we'll use a relatively high quality value but on MP machines we'll
  use a quality that should prevent the CPU's counters from being chosen.
  
  Requested by:   green (who did the first version of the patch)
  Reviewed by:    marius, green
  MFC after:      1 week
  
  Revision  Changes    Path
  1.114     +19 -0     src/sys/sparc64/sparc64/machdep.c