From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Wed, 3 Oct 2012 17:28:30 +0000 (-0700)
Subject: Documentation: Fix memory-barriers.txt example
X-Git-Tag: next-20121024~29^2~5
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f191eec58803e1e16c3421638cdcc9195c425851;p=karo-tx-linux.git

Documentation: Fix memory-barriers.txt example

This commit fixes a broken example of overlapping stores in the
Documentation/memory-barriers.txt file.

Reported-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---

diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index 2759f7c188f0..3c4e1b3b80a1 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};
 
 
 =========================