Re: [kvm-devel] performance with guests running 2.4 kernels (specifically RHEL3)

Avi Kivity
2008-06-25T09:51:03Z

David S. Ahern wrote:
>
> RHEL3 is in Maintenance mode (for an explanation see
> http://www.redhat.com/security/updates/errata/) which means performance
> enhancement patches will not make it in.
>
>

Scratch that idea, then.

> Also, I'm going to be out of the office for a couple of weeks in July,
> so I will need to put this aside until mid-August or so. I'll reevaluate
> options then.
>

One thing I'm looking at is implementing out-of-sync like Xen, which
looks like it will obsolete the entire emulate vs flood thing at the
cost of making unshadowing a little more expensive and consuming more
memory. See
http://thread.gmane.org/gmane.comp.emulators.xen.devel/52557 (and 58,
59, 60).

--
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