Re: [Qemu-devel] [RFC] allow multi-core guests: introduce cores= option to -cpu

[Andre Przywara]

Paul Brook wrote:
> > currently SMP guests happen to see <n> vCPUs as <n> different sockets.
> > Some guests (Windows comes to mind) have license restrictions and refuse
> > to run on multi-socket machines.
> > So lets introduce a "cores=" parameter to the -cpu option to let the user
> > specify the number of _cores_ the guest should see.
>
> Sounds like this should be part of the -numa option.
Sound reasonable on the first glance, but would make it rather 
complicated in real life. I suppose multi-core is far more interesting 
to most of the people than multi-node, so I would opt for the easier: 
-smp 2,cores=2 to specify a dual core guest.

Regards,
Andre.

--
Andre Przywara
AMD-Operating System Research Center (OSRC), Dresden, Germany
Tel: +49 351 488-3567-12