DragonFly kernel List (threaded) for 2003-07
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Re: caching and userapi
:Is it possible to start work on the caching and userapi without the
:threads and messaging work being done?
It depends what you mean by 'the caching'. I would say, in general,
that work on per-cpu caches for certain critical subsystems (anything
except the VFS name cache which is going to be shredded by the VFS
work) could be started without the messaging, but remember the MP lock
is going to remain intact for several months to come so the caches
will have only a very limited effect on performance. Still, the
caches *will* be almost fully testable even with the MP lock so there
is no reason to hold off putting together a plan for what to cache.
The messaging syscall interface (is that what you mean by userapi?)
should probably wait until I get DEV done along with the initial
kernel messaging infrastructure. I will then do a pass on the syscall
interface (to get the really nasty stuff that requires touching dozens
of files out of the way), after which it would be possible to start
working on userland threads support.
-Matt
Matthew Dillon
<dillon@xxxxxxxxxxxxx>
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