.@ Tony Finch – blog

The other day, Paul McKenney posted an article on LiveJournal about different flavours of RCU, prompted by a question about couple of Rust RCU crates. (There are a few comments about it on LWN.)

McKenney goes on to propose an RCU classification system based on the API an implementation provides to its users. (I am curious that the criteria do not involve how RCU works.)

Here’s how I would answer the questions for QSBR in BIND: