aboutsummaryrefslogtreecommitdiff
path: root/Documentation/memory-barriers.txt
diff options
context:
space:
mode:
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-10-03 10:28:30 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-10-23 14:44:46 -0700
commitf191eec58803e1e16c3421638cdcc9195c425851 (patch)
treeaa3e8426dd5e1274e38356257fe619f5894e3fbc /Documentation/memory-barriers.txt
parent6f0c0580b70c89094b3422ba81118c7b959c7556 (diff)
downloadlinux-f191eec58803e1e16c3421638cdcc9195c425851.tar.gz
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>
Diffstat (limited to 'Documentation/memory-barriers.txt')
-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};
=========================