On Mon, Feb 08, 2010 at 11:40:50AM +0900, Masao Uebayashi wrote: > The update process is very rare, and expected. Administrators carefully > connects a device when the machine is not running some important task. So > what I need here is to protect such a data adding no run-time performance > loss. > > Do we have any standard way to do this?
I don't think there is a standard way. Does the tc_detach() approach work for the vm_physseg list? BTW, a similar problem is to make sure all threads have exited a device_t/softc before detaching it, with the least changes to the code and the least expensive synchronization mechanism. Dave -- David Young OJC Technologies dyo...@ojctech.com Urbana, IL * (217) 278-3933
