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Carlos O'Donell authored
Implements futex op support and makes futex cmpxchg atomic. Tested on 64-bit SMP kernel running on 2 x PA8700s. [jejb: checkpatch fixes] Signed-off-by: Carlos O'Donell <carlos@systemhalted.org> Tested-by: John David Anglin <dave.anglin@bell.net> Cc: stable@kernel.org Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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