On Tue, May 6, 2014 at 7:33 PM, Davidlohr Bueso <davidlohr@xxxxxx> wrote:
=>
> What is perhaps not so obvious is that rwsem+optimistic spinning beats
> all others, including the improved qrwlock from Waiman and Peter. This
> is mostly because of the idea of cancelable MCS, which was mimic'ed from
> mutexes. The delta in most cases is around +10-15%, which is non
> trivial.
Ahh, excellent news. That way I don't have to worry about the anonvma
lock any more. I'll just forget about it right now, in fact.
Linus
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