hi,all!My ARM11 SDIO8686 performance bad (both libertas and marvell official driver ) ,just 1.5Mb/s by iperf test ! I applied that patch http://osdir.com/ml/linux-wireless/2009-02/msg00955.html, also 1.5Mb/s! Only CONFIG_HZ from 200 to 1000 can improve its speed ,up to 5Mb/s! why ? thanks !