On 26 Jul, 2014, at 22:38 , Ryota Ozaki <ozaki-r%netbsd.org@localhost> wrote:
The global variables are read-mostly, so I replace the mutex with a rwlock and use it for all. Unfortunately, ifnet_list may be accessed from interrupt context (only read though) so that I add a spin mutex for it; we hold the mutex when we modify ifnet_list as well as the rwlock.
This breaks BEAGLEBOARDXM, btw. -- Hisashi T Fujinaka - htodd%twofifty.com@localhost BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte