Messages in this thread | | | Subject | Re: [PATCH 00/20] x86: ticket lock rewrite and paravirtualization | From | Peter Zijlstra <> | Date | Mon, 15 Nov 2010 22:08:32 +0100 |
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On Mon, 2010-11-15 at 13:02 -0800, Jeremy Fitzhardinge wrote: > > As a heuristic, it shouldn't be too bad performancewise, since > (handwaving) if ticketholder N has entered the slowpath, then its likely > that N+1 will as well.
Yes, esp. if the whole slow unlock path takes more cycles than you spin for to begin with.
I think this approach is definitely worth trying.
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