doc: Update NMI-RCU.rst
authorPaul E. McKenney <paulmck@kernel.org>
Fri, 4 Nov 2022 18:00:14 +0000 (11:00 -0700)
committerPaul E. McKenney <paulmck@kernel.org>
Wed, 4 Jan 2023 01:27:37 +0000 (17:27 -0800)
commit8750dfe6fda4aca9cc02b3f652d14b14b49bccfb
treecbf67e9396bd0ff1b45abd92ad625c44f7f34322
parent438500113f375c0b3185cc7ce62baa5f8088a5b2
doc: Update NMI-RCU.rst

This commit updates NMI-RCU.rst to highlight the ancient heritage of
the example code and to discourage wanton compiler "optimizations".

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Documentation/RCU/NMI-RCU.rst