cvs commit: src/sys/kern sched_ule.c

Jeff Roberson jeff at
Mon Mar 10 01:32:03 UTC 2008

jeff        2008-03-10 01:32:01 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             sched_ule.c 
   - Add an implementation of sched_preempt() that avoids excessive IPIs.
   - Normalize the preemption/ipi setting code by introducing sched_shouldpreempt()
     so the logical is identical and not repeated between tdq_notify() and
   - In tdq_notify() don't set NEEDRESCHED as we may not actually own the thread lock
     this could have caused us to lose td_flags settings.
   - Garbage collect some tunables that are no longer relevant.
  Revision  Changes    Path
  1.227     +72 -62    src/sys/kern/sched_ule.c

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