K 10 svn:author V 10 nwhitehorn K 8 svn:date V 27 2010-03-04T06:36:00.656442Z K 7 svn:log V 212 Rework smu(4) to be asynchronous. It turns out that the combination of the automatic fan management and the polling in smu_run_cmd() was putting my system interrupt load at 20%. This change reduces that to 0.4%. END