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Re: [Xen-devel] [PATCH v6 05/11] pvqspinlock, x86: Allow unfair spinlock in a PV guest

On Mon, Mar 17, 2014 at 01:44:34PM -0400, Waiman Long wrote:
> The PV ticketlock code was designed to handle lock holder preemption by
> redirecting CPU resources in a preempted guest to another guest that can
> better use it and then return the preempted CPU back sooner.

But that's the PV code, not the unfair bit. And your fuller PV thing
doesn't need the unfair option.

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