increasing bhyve VM_MAXCPU

[John Doherty]

On 18 May 2021, at 19:21, Rodney W. Grimes wrote:

>> I'm experimenting with bhyve VMs with more than 16 vCPUs on FreeBSD
>> I began working on a machine with only eight CPU cores/threads, so
>> rather than trying to increase VM_MAXCPU, I tried to decrease it, which
>> seemed to work fine. My procedure was:
>>
>>    edit /usr/src/sys/amd64/include/vmm.h
>
> cp /usr/src/sys/amd64/include/vmm.h /usr/include/machine/vmm.h

Thanks so much for this. Things are now working fine, e.g.:

  [root at fbsd1] # grep 'Multiprocessor System Detected' /var/run/dmesg.boot
  FreeBSD/SMP: Multiprocessor System Detected: 24 CPUs