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HTM Lock elision will still make deadlock avoidance easier because you can hopefully get away with more coarse grained locks. The less locks you have the easier deadlock avoidance is.

A simple implementation may just use a single lock for the whole program as fallback, which by definition has no deadlock potential.

Of course the devil in the details, as in lock regions that frequently or always abort may still need more locks. But it may be good enough

Andi Kleen

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