[patch 0/2] rtmutex: Fix the deadlock detector for real

[Thomas Gleixner]

Lai pointed out that the chain walk is incomplete aside of not
detecting even the simple AA deadlock.

The following series contains:

1) The fix for this, which replaces the hot fix I send out earlier

2) An optimization to avoid pointless de/enqueue operations in the
   deadlock chain walk

Thanks,

	tglx

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