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-rw-r--r--Documentation/memory-barriers.txt9
1 files changed, 5 insertions, 4 deletions
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index 2759f7c188f..3c4e1b3b80a 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -251,12 +251,13 @@ And there are a number of things that _must_ or _must_not_ be assumed:
And for:
- *A = X; Y = *A;
+ *A = X; *(A + 4) = Y;
- we may get either of:
+ we may get any of:
- STORE *A = X; Y = LOAD *A;
- STORE *A = Y = X;
+ STORE *A = X; STORE *(A + 4) = Y;
+ STORE *(A + 4) = Y; STORE *A = X;
+ STORE {*A, *(A + 4) } = {X, Y};
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