Commit 647dd4cd authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

doc: Update rcu.rst 



This commit provides a couple of updates based on the inexorable passage
of time.

Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent da82af04

Documentation/RCU/rcu.rst

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@@ -77,12 +77,13 @@ Frequently Asked Questions 
  search for the string "Patent" in Documentation/RCU/RTFP.txt to find them.

  Of these, one was allowed to lapse by the assignee, and the

  others have been contributed to the Linux kernel under GPL.

  Many (but not all) have long since expired.

  There are now also LGPL implementations of user-level RCU

  available (https://liburcu.org/).



- I hear that RCU needs work in order to support realtime kernels?



  Realtime-friendly RCU can be enabled via the CONFIG_PREEMPT_RCU

  Realtime-friendly RCU are enabled via the CONFIG_PREEMPTION

  kernel configuration parameter.



- Where can I find more information on RCU?