Aneesh Kumar K.V 7e467245bf powerpc/thp: Use ACCESS_ONCE when loading pmdp ...

We would get wrong results in compiler recomputed old_pmd. Avoid
that by using ACCESS_ONCE

CC: <stable@vger.kernel.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2014-08-13 18:20:41 +10:00

6.7 KiB

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