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From: Jeff Roberson <jeff@FreeBSD.org>
Date: Sat, 20 Jan 2007 09:03:43 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/kern sched_ule.c
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jeff        2007-01-20 09:03:43 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             sched_ule.c 
  Log:
   - In tdq_transfer() always set NEEDRESCHED when necessary regardless of
     the ipi settings.  If NEEDRESCHED is set and an ipi is later delivered
     it will clear it rather than cause extra context switches.  However, if
     we miss setting it we can have terrible latency.
   - In sched_bind() correctly implement bind.  Also be slightly more
     tolerant of code which calls bind multiple times.  However, we don't
     change binding if another call is made with a different cpu.  This
     does not presently work with hwpmc which I believe should be changed.
  
  Revision  Changes    Path
  1.180     +25 -15    src/sys/kern/sched_ule.c