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Peter Zijlstra authored
Wake ups of futex waiters happen with hb->lock held. This can lead to unneccesary lock contention. Wake them when dropping hb->lock. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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