sched/completion: Remove unnecessary ->wait.lock serialization when reading completion state
Signed-off-by: NNicholas Mc Guire <der.herr@hofr.at> Signed-off-by: NPeter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1421467534-22834-1-git-send-email-der.herr@hofr.atSigned-off-by: NIngo Molnar <mingo@kernel.org>
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