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SubjectRe: [PATCH 2/3] kvm hypervisor : Add hypercalls to support pv-ticketlock
On Wed, Jan 19, 2011 at 10:53:52AM -0800, Jeremy Fitzhardinge wrote:
> > The reason for wanting this should be clear I guess, it allows PI.
>
> Well, if we can expand the spinlock to include an owner, then all this
> becomes moot...

How so? Having an owner will not eliminate the need for pv-ticketlocks
afaict. We still need a mechanism to reduce latency in scheduling the next
thread-in-waiting, which is achieved by your patches.

- vatsa


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