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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>
This commit is contained in:
Paul E. McKenney 2012-10-03 10:28:30 -07:00
parent 6f0c0580b7
commit f191eec588
1 changed files with 5 additions and 4 deletions
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9
Documentation/memory-barriers.txt
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@ -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};
=========================