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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-06-06 15:04:03 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-08-17 07:29:48 -0700
commit4de5f89ef8498e012ba4755b9b63df28c1382690 (patch)
treeaa454d59a4b6189ed7f6d064aaf9826fbfe6a344 /Documentation/RCU/rcu.txt
parentf99bcb2cdb5843548a2b0b78157cb7a0b4c7ccac (diff)
doc: Update RCU documentation
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation/RCU/rcu.txt')
-rw-r--r--Documentation/RCU/rcu.txt9
1 files changed, 3 insertions, 6 deletions
diff --git a/Documentation/RCU/rcu.txt b/Documentation/RCU/rcu.txt
index 745f429fda79..7d4ae110c2c9 100644
--- a/Documentation/RCU/rcu.txt
+++ b/Documentation/RCU/rcu.txt
@@ -76,15 +76,12 @@ o I hear that RCU is patented? What is with that?
Of these, one was allowed to lapse by the assignee, and the
others have been contributed to the Linux kernel under GPL.
There are now also LGPL implementations of user-level RCU
- available (http://lttng.org/?q=node/18).
+ available (http://liburcu.org/).
o I hear that RCU needs work in order to support realtime kernels?
- This work is largely completed. Realtime-friendly RCU can be
- enabled via the CONFIG_PREEMPT_RCU kernel configuration
- parameter. However, work is in progress for enabling priority
- boosting of preempted RCU read-side critical sections. This is
- needed if you have CPU-bound realtime threads.
+ Realtime-friendly RCU can be enabled via the CONFIG_PREEMPT_RCU
+ kernel configuration parameter.
o Where can I find more information on RCU?