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

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.