scheduler->swapper, SI_SUB_RUN_SCHEDULER->SI_SUB_LAST

[Konstantin Belousov]

On Sat, Feb 02, 2013 at 01:50:40PM +0200, Andriy Gapon wrote:
> 
> I would like to propose the following mostly cosmetic change:
> http://people.freebsd.org/~avg/scheduler-swapper.diff
> 
> This is something that bit me early in my FreeBSD days, so I am kind of obsessed
> with it.
> The current naming is confusing/misleading indeed.
> And magic properties of SI_SUB_RUN_SCHEDULER:SI_ORDER_LAST is a "hidden gem".

You may remove the Giant unlock from the scheduler()/swapper() as well
then, doing it before the swapper() call in the mi_startup().

Note that the wait chain for the idle swapper is still called "sched".

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