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Re: [libvirt] PATCH: Fix KVM maximum vCPU count



On Wed, May 14, 2008 at 09:32:54AM -0400, Cole Robinson wrote:
> Daniel P. Berrange wrote:
> > On Wed, May 14, 2008 at 11:23:08AM +0900, Atsushi SAKAI wrote:
> >> Hi, Dan
> >>
> >> Thank you for commenting.
> >> Of course, I agree your point 
> >> and that you are commiting it.
> >>
> >> I am commenting it 
> >> just because 2 month is not old ago in my feeling.
> >>
> >>
> >> Here Is the memo for my understanding.
> >> (Since I am not familiar with KVM)
> >> 2007/07/19 kvm-30 Guest SMP support
> >>      (Parameter(KVM_MAX_VCPUS) changes from 1 to 4 in KVM-28)
> >> 2008/02/26 kvm-62 VCPUS changes 4 to 16
> > 
> > I didn't realize it had changed from 4 -> 16 cpus so recently. I thought
> > we'd gone straight from 1 -> 16.  With this in mind, it is worth trying
> > to decide a way to detect it right now.
> > 
> > Dan.
> 
> I actually have a patch mostly complete that pulls the kvm version from
> qemu-kvm similar to how we grab the version from the qemu binary. I can
> clean it up and post it if that seems like the way to go.

Yes, that would be useful.

Regards,
Dan.
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