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54 Commits

Author SHA1 Message Date
John Baldwin
4cc6117e1d Remove some commented out cruft. 2000-09-15 23:00:46 +00:00
John Baldwin
7ab37af1ed - Add a new process flag P_NOLOAD that marks a process that should be 
ignored during load average calcuations.
- Set this flag for the idle processes and the softinterrupt process.
 2000-09-15 22:00:23 +00:00
John Baldwin
f6a0af8015 Idle processes are always runnable, so let them state at SRUN. 2000-09-15 19:49:48 +00:00
Jason Evans
0384fff8c5 Major update to the way synchronization is done in the kernel. Highlights 
include:

* Mutual exclusion is used instead of spl*().  See mutex(9).  (Note: The
  alpha port is still in transition and currently uses both.)

* Per-CPU idle processes.

* Interrupts are run in their own separate kernel threads and can be
  preempted (i386 only).

Partially contributed by:	BSDi (BSD/OS)
Submissions by (at least):	cp, dfr, dillon, grog, jake, jhb, sheldonh
 2000-09-07 01:33:02 +00:00