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authorJoel Fernandes (Google) <joel@joelfernandes.org>2018-10-06 01:18:12 +0200
committerPaul E. McKenney <paulmck@linux.ibm.com>2018-11-12 17:56:25 +0100
commitbc2072c9adebd6ed1a192ed55ae195d8fb415c8d (patch)
tree3232b5a23a33fe93103e6a46419123846162e847 /Documentation/RCU
parentdoc: rcu: Add more rationale for using rcu_read_lock_sched in checklist (diff)
downloadlinux-bc2072c9adebd6ed1a192ed55ae195d8fb415c8d.tar.xz
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doc: rcu: Remove obsolete suggestion from checklist
call_rcu_bh is now implemented in terms of call_rcu, so the suggestion to use a different API for speed benefits is not accurate anymore. This commit updates the document accordingly. Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Diffstat (limited to 'Documentation/RCU')
-rw-r--r--Documentation/RCU/checklist.txt6
1 files changed, 1 insertions, 5 deletions
diff --git a/Documentation/RCU/checklist.txt b/Documentation/RCU/checklist.txt
index 8860ab2a897a..cc22ce49618d 100644
--- a/Documentation/RCU/checklist.txt
+++ b/Documentation/RCU/checklist.txt
@@ -285,11 +285,7 @@ over a rather long period of time, but improvements are always welcome!
here is that superuser already has lots of ways to crash
the machine.
- d. Use call_rcu_bh() rather than call_rcu(), in order to take
- advantage of call_rcu_bh()'s faster grace periods. (This
- is only a partial solution, though.)
-
- e. Periodically invoke synchronize_rcu(), permitting a limited
+ d. Periodically invoke synchronize_rcu(), permitting a limited
number of updates per grace period.
The same cautions apply to call_rcu_bh(), call_rcu_sched(),