re: CVS commit: src/sys/opencrypto

[matthew green <mrg%eterna.com.au@localhost>]

> Log Message:
> Implement in-module ref-counting, and do not allow auto-unload if there
> are existing references.
> 
> Note that manual unloading is not prevented.
> 
> OK christos@
> 
> XXX Also note that there is still a small window where the ref-count can
> XXX be decremented, and then the process/thread preempted.  If auto-unload
> XXX happens before that thread can return from the module's code, bad
> XXX things (tm) could happen.

in this case, please simply disallow unload for this module always.
if the race is fixed, it can be enabled again.


.mrg.