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From: Marius Strobl <marius@FreeBSD.org>
Date: Sun, 8 Aug 2010 14:00:21 +0000 (UTC)
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Subject: cvs commit: src/sys/sparc64/include smp.h src/sys/sparc64/sparc64
 genassym.c mp_exception.S mp_machdep.c tick.c
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marius      2010-08-08 14:00:21 UTC

  FreeBSD src repository

  Modified files:
    sys/sparc64/include  smp.h 
    sys/sparc64/sparc64  genassym.c mp_exception.S mp_machdep.c 
                         tick.c 
  Log:
  SVN rev 211071 on 2010-08-08 14:00:21Z by marius
  
  - As it is not possible for sched_bind(9) to context switch with
    td_critnest > 1 when not already running on the desired CPU read the
    TICK counter of the BSP via a direct cross trap request in that case
    instead.
  - Treat the STICK based timecounter the same way as the TICK based one
    regarding its quality and obtaining the counter value from the BSP.
    Like the TICK timers the STICK ones also are only synchronized during
    their startup (which might not result in good synchronicity in the
    first place) but not afterwards and might drift over time, causing
    problems when the time is read from different CPUs (see r135972).
  
  Revision  Changes    Path
  1.32      +33 -0     src/sys/sparc64/include/smp.h
  1.80      +3 -0      src/sys/sparc64/sparc64/genassym.c
  1.16      +28 -4     src/sys/sparc64/sparc64/mp_exception.S
  1.59      +1 -0      src/sys/sparc64/sparc64/mp_machdep.c
  1.29      +49 -31    src/sys/sparc64/sparc64/tick.c