diff options
author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-10-03 13:28:30 -0400 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-10-23 17:44:46 -0400 |
commit | f191eec58803e1e16c3421638cdcc9195c425851 (patch) | |
tree | aa3e8426dd5e1274e38356257fe619f5894e3fbc | |
parent | 6f0c0580b70c89094b3422ba81118c7b959c7556 (diff) |
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>
-rw-r--r-- | Documentation/memory-barriers.txt | 9 |
1 files changed, 5 insertions, 4 deletions
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: | |||
251 | 251 | ||
252 | And for: | 252 | And for: |
253 | 253 | ||
254 | *A = X; Y = *A; | 254 | *A = X; *(A + 4) = Y; |
255 | 255 | ||
256 | we may get either of: | 256 | we may get any of: |
257 | 257 | ||
258 | STORE *A = X; Y = LOAD *A; | 258 | STORE *A = X; STORE *(A + 4) = Y; |
259 | STORE *A = Y = X; | 259 | STORE *(A + 4) = Y; STORE *A = X; |
260 | STORE {*A, *(A + 4) } = {X, Y}; | ||
260 | 261 | ||
261 | 262 | ||
262 | ========================= | 263 | ========================= |