K 10 svn:author V 3 jhb K 8 svn:date V 27 2005-08-17T17:44:32.000000Z K 7 svn:log V 322 Add callout_drain()'s to foo_detach() after calling foo_stop() to make sure that if softclock is running on another CPU and is blocked on our driver lock, we will wait until it has acquired the lock, seen that it was cancelled, dropped the lock, and awakened us so that we can safely destroy the mutex. MFC after: 3 days END