doc: Convert whatisRCU.txt to .rst

This commit updates whatisRCU.txt to the new .rst format. This change includes: - Formatting bullet lists - Adding literal blocks - Links from table of contents to corresponding sections - Links to external documents - Reformat quick quizzes Signed-off-by: Phong Tran <tranmanphong@gmail.com> Tested-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com> [ tranmanphong: Apply Amol Grover feedback. ] Reviewed-by: Amol Grover <frextrite@gmail.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
mariux64 · Dec 11, 2019 · 5e1bc93 · 5e1bc93
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diff --git a/Documentation/RCU/index.rst b/Documentation/RCU/index.rst
@@ -8,6 +8,7 @@ RCU concepts
    :maxdepth: 3
 
    arrayRCU
+   whatisRCU
    rcu
    listRCU
    NMI-RCU