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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: [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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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