Linux Adding Detection For BSD's Bhyve Hypervisor To Support 255+ vCPUs
https://www.phoronix.com/news/Linux-Bhyve-Detection
"The Linux kernel is now in the process of adding guest detection
for the Bhyve hypervisor in order to support VMs with 255+ vCPUs"
应该是用不到啦… 不过哪天真的用到的话就有用了