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Posted Dec 10, 2009 20:23 UTC (Thu) by elanthis (guest, #6227)
In reply to: Xen? by drag
Parent article: FreeBSD 8: an evolutionary release of the unknown giant

Correct me if I'm wrong, but KVM allows paravittualizatuon as well, for guests that support
it's interface, letting it achieve similar performance to xen for (currently) Linux guests.

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Windows paravirt guests under kvm

Posted Dec 11, 2009 15:51 UTC (Fri) by mcmanus (subscriber, #4569) [Link]

You can run paravirt network and block i/o on windows guests (as well as the aforementioned linux guests) under kvm hosts if you like:


Posted Dec 11, 2009 15:55 UTC (Fri) by gnb (subscriber, #5132) [Link]

Yes, you can use paravirtualised device drivers in KVM to avoid the I/O
performance hit of emulated I/O hardware for things like networking and
disks. That said the guest kernel is unmodified, so it won't run at all
without CPU virtualisation support, and some aspects of kernel performance
will be very dependent on how good the implementation of said support is in
the CPU you're using.

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