On 1/15/21 4:14 PM, Dey, Megha wrote: > Also, I do not know of any cores that implement PCLMULQDQ and not AES-NI. That's true, bit it's also possible that a hypervisor could enumerate support for PCLMULQDQ and not AES-NI. In general, we've tried to implement x86 CPU features independently, even if they never show up in a real CPU independently.