>>>>> On Thu, 4 May 2006 11:51:05 +0200,
      Hans Petter Selasky <hselasky@c2i.net> said:

> How about using mutexes, like on FreeBSD, instead of splxxx?

FreeBSD (and Solaris)'s way makes kernel synchronization somewhat
simpler, but it has certain drawbacks, e.g. it makes interrupt
processing definitely slower.
Also, I don't think using mutex helps this particular case much.
-- 
soda