In fact, RCU has replaced brlock in the 2.5 kernel, thanks to Steve Hemminger of OSDL and a number of Linux's networking luminaries. RCU is the best option overall as long as fewer than about ...

RCU (read-copy update), a synchronization technique optimized for read-mostly data structures, recently was added to the Linux 2.6 kernel. This article describes how RCU improved the scalability of ...