Re: [RFC, PATCH] locks: remove posix deadlock detection

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> Bzzt.  You get a false deadlock with multiple threads like so:
> 
> Thread A of task B takes lock 1
> Thread C of task D takes lock 2
> Thread C of task D blocks on lock 1
> Thread E of task B blocks on lock 2

The spec and SYSV certainly ignore threading in this situation and you
know that perfectly well (or did in 2004)
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