![]() | |||||||||||||
Messages in this thread |
Bill Huey (hui) wrote: > DragonFly BSD, the only remotely functional open source BSD project on this > planet, has plans in place to push certain kernel components like their VFS > layer into userspace for easier debugging, testing and other things that go That violates Jeff's First Rule, put the fast path stuff in the kernel. > with developing file systems easily. If they back it with something like C++ > for doing constructor style type conversion on top of overloaded operators > to back VFS data structure translation, could easily import stuff like most > Linux file systems without major restructuring, say, if they had their > translation library written. In this case, userspace kernel systems have > some serious programming advantages over traditional kernels. Sounds like security would be a pain in the ass :) > They're also pushing an async syscall model to support a non-1:1 threading > system for userspace unlike what Linux has done with futexes. It'll allow messaging passing is also known as "really slow C function calls" My PCI bus passes messages all the time. A message is in the eye of the beholder. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
| Last update: 2005-03-22 14:05 [from the cache] ©2003-2008 | |||||||||||||