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



Daniel P. Berrange wrote:
> On Tue, May 13, 2008 at 01:29:35PM +0900, Atsushi SAKAI wrote:
>> Hi, Dan
>>
>> I think the qemu_driver should check KVM_API_VERSION for SMP support.
>> How do you think?
>> I am worrying about MAX_VCPUS=16 changes to 32 in future.
> 
> If it increases to 32, then we should certainly check based on something
> like KVM_API_VERSION. I just don't think its worth checking for the 
> ancient versions which only support 1 cpu because no one will be seriously
> using them.
> 

It's worth noting that kvm-60 in f8 doesn't support 16 vcpus, it only
supports 4. 16 vcpu support is only present in kvm-62 and later. So if
this is ever backported to f8 and kvm isn't updated, we just replace one
bug with another.

- Cole


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