Messages in this thread | | | From | Nick Piggin <> | Subject | Re: [PATCH RFC 0/4] Paravirtual spinlocks | Date | Tue, 8 Jul 2008 14:51:42 +1000 |
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On Tuesday 08 July 2008 10:29, Rusty Russell wrote: > On Tuesday 08 July 2008 05:07:49 Jeremy Fitzhardinge wrote: > > At the most recent Xen Summit, Thomas Friebel presented a paper > > ("Preventing Guests from Spinning Around", > > http://xen.org/files/xensummitboston08/LHP.pdf) investigating the > > interactions between spinlocks and virtual machines. Specifically, he > > looked at what happens when a lock-holding VCPU gets involuntarily > > preempted. > > I find it interesting that gang scheduling the guest was not suggested as > an obvious solution. > > Anyway, concept looks fine; lguest's solution is more elegant of course :)
What's lguest's solution?
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