documentation: Add alternative release-acquire outcome

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The memory-barriers.txt discussion of local transitivity and
release-acquire chains leaves out discussion of the outcome of
the read from "u".  This commit therefore adds an outcome showing
that you can get a "1" from this read even if the release-acquire
pairs don't line up.

Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Paul E. McKenney 2016-01-25 22:12:34 -08:00

parent c535cc9292

commit 37ef0341ca

1 changed files with 4 additions and 0 deletions

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Documentation/memory-barriers.txt

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