From: Paul E. McKenney Date: Fri, 19 Mar 2021 23:30:15 +0000 (-0700) Subject: doc: Fix statement of RCU's memory-ordering requirements X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=18389c4570211e10e94f4a2ce907d01397abc335;p=linux.git doc: Fix statement of RCU's memory-ordering requirements The sentence defining the relationship of accesses before a grace period to read-side accesses following that same grace period was missing a small word: "not". This commit therefore adds it. Reported-by: Frederic Weisbecker Signed-off-by: Paul E. McKenney --- diff --git a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst index a648b423ba0eb..3f6ce41ee0c56 100644 --- a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst +++ b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst @@ -21,7 +21,7 @@ Any code that happens after the end of a given RCU grace period is guaranteed to see the effects of all accesses prior to the beginning of that grace period that are within RCU read-side critical sections. Similarly, any code that happens before the beginning of a given RCU grace -period is guaranteed to see the effects of all accesses following the end +period is guaranteed to not see the effects of all accesses following the end of that grace period that are within RCU read-side critical sections. Note well that RCU-sched read-side critical sections include any region