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From: Takahashi Yoshihiro <nyan@FreeBSD.org>
Date: Sun, 31 Oct 2010 08:14:52 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/pc98/pc98 machdep.c
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nyan        2010-10-31 08:14:52 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/pc98/pc98        machdep.c 
  Log:
  SVN rev 214591 on 2010-10-31 08:14:52Z by nyan
  
  MFC: revision 208638
  
    - Add an integer argument to idle to indicate how likely we are to wake
      from idle over the next tick.
    - Add a new MD routine, cpu_wake_idle() to wakeup idle threads who are
      suspended in cpu specific states.  This function can fail and cause the
      scheduler to fall back to another mechanism (ipi).
    - Implement support for mwait in cpu_idle() on i386/amd64 machines that
      support it.  mwait is a higher performance way to synchronize cpus
      as compared to hlt & ipis.
    - Allow selecting the idle routine by name via sysctl machdep.idle.  This
      replaces machdep.cpu_idle_hlt.  Only idle routines supported by the
      current machine are permitted.
  
  Revision   Changes    Path
  1.412.2.7  +150 -42   src/sys/pc98/pc98/machdep.c