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DragonFly kernel List (threaded) for 2003-08
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Re: More syscall messaging commits, and some testing code as well.


From: Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 12 Aug 2003 15:07:23 -0700 (PDT)

:On Tue, 12 Aug 2003, Matthew Dillon wrote:
:
:>     Hysteresis would definitely be desireable.  The userland scheduler cannot
:>     just stop, though, because that could deadlock the program.   It would
:>     have to revert to polling until the concurrent syscall count drops below
:>     the hysteresis point.
:
:Once the userland scheduler polls and can't execute the current thread
:wouldn't it schedule another thread?  If there arn't any other threads to
:schedule, I guess it would continue to poll.
:
:Eric

    Right.

					-Matt
					Matthew Dillon 
					<dillon@xxxxxxxxxxxxx>



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