Messages in this thread | | | Date | Sat, 01 Jun 2013 13:28:00 -0700 | From | Jeremy Fitzhardinge <> | Subject | Re: [PATCH RFC V9 0/19] Paravirtualized ticket spinlocks |
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On 06/01/2013 01:14 PM, Andi Kleen wrote: > FWIW I use the paravirt spinlock ops for adding lock elision > to the spinlocks.
Does lock elision still use the ticketlock algorithm/structure, or are they different? If they're still basically ticketlocks, then it seems to me that they're complimentary - hle handles the fastpath, and pv the slowpath.
> This needs to be done at the top level (so the level you're removing) > > However I don't like the pv mechanism very much and would > be fine with using an static key hook in the main path > like I do for all the other lock types.
Right.
J
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