Linux's KVM With CET Virtualization Is Causing Some Hosts To Hang

Introduced to the Linux kernel last year was Control-flow Enforcement Technology "CET" virtualization for modern AMD and Intel CPUs. This complements CET that has existed in Linux for quite some time but it's new now to the KVM virtualization world, but some yet to be diagnosed problems are causing some hosts to hang when making use of this virtualization security feature...