On Tue, May 06, 2014 at 07:33:07PM -0700, Davidlohr Bueso wrote: > So I've been running benchmarks (mostly aim7, which nicely exercises our > locks) comparing my recent v4 for rwsem optimistic spinning against > previous implementation ideas for the anon-vma lock, mostly: > - rwlock_t > - qrwlock_t Which reminds me; can you provide the numbers for rwlock_t vs qrwlock_t in a numeric form so I can include them in the qrwlock_t changelog. That way I can queue those patches for inclusion, I think we want a fair rwlock_t if we can show (and you graphs do iirc) that it doesn't cost us performance.
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