[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: TSC scaling and softtsc reprise, and PROPOSAL
On 28/07/2009 19:15, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote: >> I can live with that, if it is driven from the xend >> toolstack. It will have >> to default off in the hypervisor for compatibility with old >> saved images. > > Hmmm... one could argue that with the current model, > any VM using TSC is "at your own peril" and there are > certainly cases of restore that will break whatever > assumptions the VM is making about pre-save TSC > values. So while I'm a believer in compatibility, > I'd suggest default ON in the hypervisor and > a new restore option that force-overrides the > softtsc boot-time default for any VM being restored. It would be defaulted on by the toolstack for all newly created guests. That's quite sufficient I think. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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