path: root/Documentation/RCU
diff options
authorRandy Dunlap <>2020-07-03 14:33:42 -0700
committerPaul E. McKenney <>2020-08-24 14:29:17 -0700
commit7f45d6f8ae383ed01070883b3c74ee51c9740065 (patch)
tree3e851d64e18a28178c9003458b12be55b12500e0 /Documentation/RCU
parent1b98b7c5eb2f94eddad541d6fc91f1d1995d644b (diff)
doc: Drop doubled words from RCU requirements documentation
Drop the doubled words "to" and "for". Signed-off-by: Randy Dunlap <> Cc: Jonathan Corbet <> Cc: Cc: "Paul E. McKenney" <> Cc: Josh Triplett <> Cc: Steven Rostedt <> Cc: Mathieu Desnoyers <> Cc: Lai Jiangshan <> Cc: Joel Fernandes <> Cc: Signed-off-by: Paul E. McKenney <>
Diffstat (limited to 'Documentation/RCU')
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/RCU/Design/Requirements/Requirements.rst b/Documentation/RCU/Design/Requirements/Requirements.rst
index 8f41ad0aa753..1ae79a10a8de 100644
--- a/Documentation/RCU/Design/Requirements/Requirements.rst
+++ b/Documentation/RCU/Design/Requirements/Requirements.rst
@@ -2162,7 +2162,7 @@ scheduling-clock interrupt be enabled when RCU needs it to be:
this sort of thing.
#. If a CPU is in a portion of the kernel that is absolutely positively
no-joking guaranteed to never execute any RCU read-side critical
- sections, and RCU believes this CPU to to be idle, no problem. This
+ sections, and RCU believes this CPU to be idle, no problem. This
sort of thing is used by some architectures for light-weight
exception handlers, which can then avoid the overhead of
``rcu_irq_enter()`` and ``rcu_irq_exit()`` at exception entry and
@@ -2431,7 +2431,7 @@ However, there are legitimate preemptible-RCU implementations that do
not have this property, given that any point in the code outside of an
RCU read-side critical section can be a quiescent state. Therefore,
*RCU-sched* was created, which follows “classic” RCU in that an
-RCU-sched grace period waits for for pre-existing interrupt and NMI
+RCU-sched grace period waits for pre-existing interrupt and NMI
handlers. In kernels built with ``CONFIG_PREEMPT=n``, the RCU and
RCU-sched APIs have identical implementations, while kernels built with
``CONFIG_PREEMPT=y`` provide a separate implementation for each.