RE: [rdma-core v5 0/8] Broadcom User Space RoCE Driver

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> However, AFAIK, default pthread mutexes well known to be much slower
> than spinlocks for various cases. They have weird performance aspects
> from the fairness policy on unlock we may not really want.
> 
> Perahps this is why Sean open-coded locks using atomics in rdmacm and
> acm?

I went with open-coded locks based on v-tune (or whatever it's called now -- I should really know this) performance analysis and benchmarking data.  I don't recall the performance gains, but it was definitely measureable.

- Sean
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