vmspace changes to use sysref
dillon at apollo.backplane.com
Sun Apr 29 11:55:10 PDT 2007
This was kinda a whopper of a commit to HEAD. I changed struct vmspace
over to using the new SYSREF API, but I had to fix a number of other
issues above and beyond the basic changes which were revealed by the
I'd appreciate it if a couple of people could help test these changes.
SYSREF is going to be used all over the place and it has to be solid.
vmspace was one of the more difficult structures to convert.
Keep your eye out for VM and PMAP related panics, particulary panics
like: 'vmfault: fault on nofault entry'. My overnight test succeeded
by I am not 100% sure I've found all the cases. PMAP teardown races
usually result in no debugger prompt after the panic, or a complete
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